{"id":2803,"date":"2025-07-01T12:17:58","date_gmt":"2025-07-01T10:17:58","guid":{"rendered":"https:\/\/oniryx.poush-dev.be\/services\/consultance-metiers\/"},"modified":"2026-06-08T15:12:13","modified_gmt":"2026-06-08T13:12:13","slug":"custom-development","status":"publish","type":"page","link":"https:\/\/www.oniryx.be\/en\/services\/custom-development\/","title":{"rendered":"Custom development"},"content":{"rendered":"

[et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”819734c3-cf6a-428f-bc15-1e5d7cafd2d2″ global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” custom_padding=”0px||0px||true|false” animation_style=”fade” animation_direction=”bottom” animation_duration=”800ms” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_divider show_divider=”off” _builder_version=”4.27.4″ _module_preset=”398024e8-42e1-40c7-9669-d87588313262″ background_image=”https:\/\/www.oniryx.be\/wp-content\/uploads\/2025\/07\/ONIRYX-Equipe-1.webp” global_colors_info=”{}”][\/et_pb_divider][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” custom_padding=”0px||||false|false” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_orientation=”center” custom_margin=”-80px||0px||false|false” custom_margin_tablet=”0px||||false|false” custom_margin_phone=”0px||||false|false” custom_margin_last_edited=”on|phone” animation_style=”fade” global_colors_info=”{}” custom_margin__hover_enabled=”off|desktop”]<\/p>\n

Custom IT application development<\/h1>\n

[\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”19d2eb10-fb12-42bd-9bb6-dd8699cd0211″ max_width=”1000px” animation_delay=”200ms” locked=”off” global_colors_info=”{}”]<\/p>\n

Complete multidisciplinary technical expertise <\/strong>in the market’s leading technologies (Java, .Net, Angular, React, AWS, Azure, etc.) in software engineering.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ custom_padding_last_edited=”on|phone” _builder_version=”4.27.4″ _module_preset=”default” background_image=”https:\/\/www.oniryx.be\/wp-content\/uploads\/2025\/07\/mouton-gris.svg” background_size=”custom” background_image_height=”100%” custom_margin=”||20px||false|false” custom_padding=”70px|6vw|70px|6vw|true|true” custom_padding_tablet=”120px|6vw|120px|6vw|true|true” custom_padding_phone=”50px||50px||true|true” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_orientation=”center” max_width=”380px” max_width_tablet=”” max_width_phone=”” max_width_last_edited=”on|tablet” module_alignment=”center” animation_style=”fade” animation_delay=”300ms” global_colors_info=”{}”]<\/p>\n

At Oniryx, our IT teams combine technical expertise <\/strong>and technological innovation. <\/strong>Our aim: to help companies meet their digital challenges. Our custom software development <\/strong>experts design high-performance, secure and scalable applications <\/strong>that are perfectly adapted to your business challenges<\/strong>.<\/p>\n

[\/et_pb_text][et_pb_button button_url=”@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF9saW5rX3VybF9wYWdlIiwic2V0dGluZ3MiOnsicG9zdF9pZCI6IjgwIn19@” button_text=”Let’s talk about your IT project” button_alignment=”center” _builder_version=”4.27.4″ _dynamic_attributes=”button_url” _module_preset=”default” animation_style=”fade” animation_delay=”900ms” locked=”off” global_colors_info=”{}” button_bg_color__hover_enabled=”off|hover”][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” background_color=”gcid-f4f60640-8854-4ebb-8223-2427e0014dfe” custom_padding=”20px|6vw|20px|6vw|true|true” locked=”off” global_colors_info=”{%22gcid-f4f60640-8854-4ebb-8223-2427e0014dfe%22:%91%22background_color%22%93}”][et_pb_row column_structure=”2_3,1_3″ use_custom_gutter=”on” make_equal=”on” _builder_version=”4.27.4″ _module_preset=”default” custom_css_main_element=”align-items: center;” global_colors_info=”{}”][et_pb_column type=”2_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

Your expert in high-performance, secure IT solutions<\/h2>\n

Our teams of software developers master the most demanding environments and design customised solutions <\/strong>that can be integrated into complex software architectures. <\/strong>Our aim is to meet the critical needs of businesses. Objective: to meet the critical needs of private and public sector organisations in Belgium.<\/p>\n

Thanks to an agile approach <\/strong>and in-depth knowledge of the Java Spring Boot, .NET Core, microservices, cloud and DevOps ecosystems<\/strong>, our developers ensure the delivery of robust<\/strong>, scalable <\/strong>and performance-oriented software<\/strong>.<\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/www.oniryx.be\/wp-content\/uploads\/2025\/07\/no-dream-is-too-high.svg” title_text=”no-dream-is-too-high” _builder_version=”4.27.4″ _module_preset=”default” width=”250px” width_tablet=”150px” width_phone=”150px” width_last_edited=”on|tablet” max_width=”250px” max_width_tablet=”150px” max_width_phone=”150px” max_width_last_edited=”on|desktop” module_alignment=”center” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ module_id=”services” _builder_version=”4.27.4″ _module_preset=”default” background_image=”https:\/\/www.oniryx.be\/wp-content\/uploads\/2025\/07\/O-vert.svg” background_size=”custom” background_image_width=”9%” background_position=”top_left” background_vertical_offset=”10%” custom_padding=”20px|6vw|20px|6vw|true|true” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” locked=”off” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_orientation=”center” max_width=”1200px” module_alignment=”center” animation_style=”fade” global_colors_info=”{}”]<\/p>\n

Complete mastery of full-stack web development<\/h2>\n

Our software development teams cover the entire technology<\/strong> value chain. We build bespoke full-stack web applications<\/strong> tailored to business needs<\/strong>, combining user experience, application performance and long-term maintainability.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_3,1_3,1_3″ use_custom_gutter=”on” make_equal=”on” _builder_version=”4.27.4″ _module_preset=”default” custom_padding=”||0px||false|false” animation_style=”slide” animation_direction=”bottom” animation_duration=”1200ms” locked=”off” global_colors_info=”{}”][et_pb_column type=”1_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/www.oniryx.be\/wp-content\/uploads\/2025\/07\/ONIRYX-code-2.webp” alt=”L’\u00e9cran affiche du code JavaScript avec des termes color\u00e9s comme %22const%22, %22app%22, et %22express%22 en surbrillance sur fond noir.” title_text=”ONIRYX-code-2″ _builder_version=”4.27.4″ _module_preset=”bcccb8f2-0f8b-40e9-8619-8377ca4c0d43″ global_colors_info=”{}”][\/et_pb_image][et_pb_text module_class=”h4-size” _builder_version=”4.27.4″ _module_preset=”default” z_index=”10″ custom_margin=”-30px||0px||false|false” custom_padding=”10px|30px||30px|false|true” global_colors_info=”{}”]<\/p>\n

Backend expertise<\/h3>\n

[\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” z_index=”10″ custom_margin=”||30px||false|false” custom_padding=”10px|30px||30px|false|true” global_colors_info=”{}”]<\/p>\n

Our Java and .NET developers <\/strong>excel at designing powerful, secure backends. <\/strong>They are capable of managing complex architectures, distributed microservices and hybrid cloud environments, ensuring reliability and scalability.<\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/www.oniryx.be\/wp-content\/uploads\/2025\/07\/ONIRYX-Manoir-4.webp” alt=”Escalier en bois avec rampe sculpt\u00e9e dans un hall lumineux, sol en marbre et murs orn\u00e9s de cadres.” title_text=”ONIRYX-Manoir-4″ _builder_version=”4.27.4″ _module_preset=”bcccb8f2-0f8b-40e9-8619-8377ca4c0d43″ global_colors_info=”{}”][\/et_pb_image][et_pb_text module_class=”h4-size” _builder_version=”4.27.4″ _module_preset=”default” z_index=”10″ custom_margin=”-30px||0px||false|false” custom_padding=”10px|30px||30px|false|true” global_colors_info=”{}”]<\/p>\n

Front-end expertise<\/h3>\n

[\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” z_index=”10″ custom_margin=”||30px||false|false” custom_padding=”10px|30px||30px|false|true” global_colors_info=”{}”]<\/p>\n

Our front-end developers <\/strong>create dynamic, responsive user interfaces <\/strong>using Angular, React or Blazor frameworks. Each application is designed to deliver a seamless user experience across all devices : desktop, mobile and tablet with a particular focus on accessibility, usability and performance.<\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/www.oniryx.be\/wp-content\/uploads\/2025\/07\/ONIRYX-Manoir-9.webp” alt=”Cuisine moderne avec table en bois clair, chaises assorties, plantes vertes, et appareils \u00e9lectrom\u00e9nagers en acier inoxydable.” title_text=”ONIRYX-Manoir-9″ _builder_version=”4.27.4″ _module_preset=”bcccb8f2-0f8b-40e9-8619-8377ca4c0d43″ global_colors_info=”{}”][\/et_pb_image][et_pb_text module_class=”h4-size” _builder_version=”4.27.4″ _module_preset=”default” z_index=”10″ custom_margin=”-30px||0px||false|false” custom_padding=”10px|30px||30px|false|true” global_colors_info=”{}”]<\/p>\n

Full-stack expertise<\/h3>\n

[\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” z_index=”10″ custom_margin=”||30px||false|false” custom_padding=”10px|30px||30px|false|true” global_colors_info=”{}”]<\/p>\n

Our full-stack developers <\/strong>master the entire development chain<\/strong>, from database modelling to interface deployment. This technical versatility optimises the overall coherence of the system<\/strong>, reduces the risk of incompatibility <\/strong>and speeds up delivery times<\/strong>.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_button button_url=”@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF9saW5rX3VybF9wYWdlIiwic2V0dGluZ3MiOnsicG9zdF9pZCI6IjgwIn19@” button_text=”Let’s talk about your project” button_alignment=”center” _builder_version=”4.27.4″ _dynamic_attributes=”button_url” _module_preset=”default” global_colors_info=”{}”][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” background_image=”https:\/\/www.oniryx.be\/wp-content\/uploads\/2025\/07\/O-gris-clair.svg” background_size=”custom” background_image_width=”12%” background_position=”center_right” custom_padding=”0px|6vw|20px|6vw|false|true” locked=”off” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” locked=”off” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_orientation=”center” max_width=”1200px” module_alignment=”center” animation_style=”fade” global_colors_info=”{}”]<\/p>\n

Bespoke, business-focused software that’s future-proof and scalable<\/h2>\n

To\u00a0ensure the success of your digital projects, Oniryx develops bespoke software solutions<\/strong> designed to meet your specific business needs. These solutions evolve alongside your organisation and integrate seamlessly into your existing technology infrastructure.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_4,1_4,1_4,1_4″ use_custom_gutter=”on” _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_icon font_icon=”||divi||400″ _builder_version=”4.27.4″ _module_preset=”dc98286f-1099-4879-a2e8-e1aa364b4ecd” global_colors_info=”{}”][\/et_pb_icon][et_pb_text module_class=”h5-size” _builder_version=”4.27.4″ _module_preset=”default” text_font=”SpaceGrotesk Bold||||||||” text_orientation=”center” custom_margin=”||10px||false|false” animation_style=”fade” animation_delay=”300ms” global_colors_info=”{}”]<\/p>\n

Tailor-made support for your digital transformation<\/p>\n

[\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_orientation=”center” max_width=”1000px” module_alignment=”center” animation_style=”fade” locked=”off” global_colors_info=”{}”]<\/p>\n

Our IT development specialists support you at every stage of your digital transformation: requirements analysis, design, development, testing and deployment<\/strong>. The bespoke software we deliver boosts your productivity and automates your critical business processes.<\/strong><\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_icon font_icon=”e||divi||400″ _builder_version=”4.27.4″ _module_preset=”dc98286f-1099-4879-a2e8-e1aa364b4ecd” global_colors_info=”{}”][\/et_pb_icon][et_pb_text module_class=”h5-size” _builder_version=”4.27.4″ _module_preset=”default” text_font=”SpaceGrotesk Bold||||||||” text_orientation=”center” custom_margin=”||10px||false|false” animation_style=”fade” animation_delay=”300ms” global_colors_info=”{}”]<\/p>\n

A rigorous approach at every stage<\/p>\n

[\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_orientation=”center” max_width=”1000px” module_alignment=”center” animation_style=”fade” locked=”off” global_colors_info=”{}” custom_padding=”4px|||||”]<\/p>\n

Every software development project follows a structured methodology:<\/strong> from technical analysis to continuous integration, including project management, code reviews and secure deployment.<\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_icon font_icon=”||divi||400″ _builder_version=”4.27.4″ _module_preset=”dc98286f-1099-4879-a2e8-e1aa364b4ecd” global_colors_info=”{}”][\/et_pb_icon][et_pb_text module_class=”h5-size” _builder_version=”4.27.4″ _module_preset=”default” text_font=”SpaceGrotesk Bold||||||||” text_orientation=”center” custom_margin=”||10px||false|false” animation_style=”fade” animation_delay=”300ms” global_colors_info=”{}”]<\/p>\n

Solutions perfectly integrated into your ecosystem<\/p>\n

[\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_orientation=”center” max_width=”1000px” module_alignment=”center” animation_style=”fade” locked=”off” global_colors_info=”{}”]<\/p>\n

We offer customised software solutions that integrate natively into your existing ecosystem<\/strong>, with advanced business functionalities and optimised performance management.<\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_icon font_icon=”||divi||400″ _builder_version=”4.27.4″ _module_preset=”dc98286f-1099-4879-a2e8-e1aa364b4ecd” global_colors_info=”{}”][\/et_pb_icon][et_pb_text module_class=”h5-size” _builder_version=”4.27.4″ _module_preset=”default” text_font=”SpaceGrotesk Bold||||||||” text_orientation=”center” custom_margin=”||10px||false|false” animation_style=”fade” animation_delay=”300ms” global_colors_info=”{}”]<\/p>\n

An architecture designed to evolve with your needs<\/p>\n

[\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_orientation=”center” max_width=”1000px” module_alignment=”center” animation_style=”fade” locked=”off” global_colors_info=”{}”]<\/p>\n

Built to last, our applications are based on a modular architecture <\/strong>designed to evolve with your needs <\/strong>and support your business objectives over the long term.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” locked=”off” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_button button_url=”@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF9saW5rX3VybF9wYWdlIiwic2V0dGluZ3MiOnsicG9zdF9pZCI6IjgwIn19@” button_text=”Developing your customised project” button_alignment=”center” _builder_version=”4.27.4″ _dynamic_attributes=”button_url” _module_preset=”default” locked=”off” global_colors_info=”{}”][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” background_color=”gcid-f4f60640-8854-4ebb-8223-2427e0014dfe” custom_padding=”20px|6vw|20px|6vw|true|true” locked=”off” global_colors_info=”{%22gcid-f4f60640-8854-4ebb-8223-2427e0014dfe%22:%91%22background_color%22%93}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_divider show_divider=”off” _builder_version=”4.27.4″ _module_preset=”398024e8-42e1-40c7-9669-d87588313262″ background_image=”https:\/\/www.oniryx.be\/wp-content\/uploads\/2025\/07\/ONIRYX-Manoir-19.webp” custom_css_after=”content:%22%22;||background: linear-gradient(180deg,rgba(255,255,255,0) 25%,#edf0f2 95%);||width: 100%;||height: 100%;||display: block;||position: absolute;||inset: 0;||z-index: 10; ” locked=”off” global_colors_info=”{}”][\/et_pb_divider][et_pb_image src=”https:\/\/www.oniryx.be\/wp-content\/uploads\/2025\/07\/Oniryx_Sheep.png” alt=”T\u00eate de mouton stylis\u00e9e en vert avec une toison noire sur fond transparent.” title_text=”Oniryx_Sheep” _builder_version=”4.27.4″ _module_preset=”default” z_index=”10″ width=”100px” width_tablet=”50px” width_phone=”50px” width_last_edited=”on|phone” max_width=”100px” max_width_tablet=”50px” max_width_phone=”50px” max_width_last_edited=”on|tablet” module_alignment=”center” custom_margin=”-100px||||false|false” custom_margin_tablet=”-50px||||false|false” custom_margin_phone=”-50px||||false|false” custom_margin_last_edited=”on|tablet” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_orientation=”center” max_width=”1000px” module_alignment=”center” animation_style=”fade” global_colors_info=”{}”]<\/p>\n

Agile methodology with Azure DevOps<\/h2>\n

We integrate Azure DevOps <\/strong>into our custom software development processes to guarantee complete traceability<\/strong>, fluid collaboration <\/strong>between teams and secure, <\/strong>continuous deployment<\/strong>. This agile approach promotes <\/strong>software quality, reliable deliverables and a controlled software lifecycle.<\/p>\n

Our expertise in CI\/CD<\/strong>, version control and test automation enables us to deliver robust software that complies with industry standards and is fully operational from the moment it goes live.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_button button_url=”@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF9saW5rX3VybF9wYWdlIiwic2V0dGluZ3MiOnsicG9zdF9pZCI6IjEwOTcifX0=@” button_text=”Discover our methods” button_alignment=”center” _builder_version=”4.27.4″ _dynamic_attributes=”button_url” _module_preset=”default” global_colors_info=”{}”][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” custom_padding=”20px|6vw|20px|6vw|true|true” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_orientation=”center” max_width=”1200px” module_alignment=”center” global_colors_info=”{}”]<\/p>\n

A technological partner committed to your side<\/h2>\n

When you call on Oniryx, you choose an innovative partner capable of translating the specific challenges of your business into sustainable technological solutions<\/strong>. Our Java, .NET, Angular, React and Blazor developers work in synergy to create integrated technological ecosystems <\/strong>that guarantee profitability, efficiency and scalability.<\/p>\n

Thanks to our performance- <\/strong>and quality-oriented<\/strong> approach, we can help you digitalise your business processes<\/strong>, with optimised code, seamless integration and advanced IT functionalities.<\/p>\n

[\/et_pb_text][et_pb_button button_url=”@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF9saW5rX3VybF9wYWdlIiwic2V0dGluZ3MiOnsicG9zdF9pZCI6IjgwIn19@” button_text=”Contact us” button_alignment=”center” _builder_version=”4.27.4″ _dynamic_attributes=”button_url” _module_preset=”default” locked=”off” global_colors_info=”{}”][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

Custom IT application developmentComplete multidisciplinary technical expertise in the market’s leading technologies (Java, .Net, Angular, React, AWS, Azure, etc.) in software engineering.At Oniryx, our IT teams combine technical expertise and technological innovation. Our aim: to help companies meet their digital challenges. Our custom software development experts design high-performance, secure and scalable applications that are perfectly adapted to your business challenges.Your expert in high-performance, secure IT solutions Our teams of software developers master the most demanding environments and design customised solutions that can be integrated into complex software architectures. Our aim is to meet the critical needs of businesses. Objective: to meet the critical needs of private and public sector organisations in Belgium. Thanks to an agile approach and in-depth knowledge of the Java Spring Boot, .NET Core, microservices, cloud and DevOps ecosystems, our developers ensure the delivery of robust, scalable and performance-oriented software.Complete mastery of full-stack web development Our software development teams cover the entire technology value chain. We build bespoke full-stack web applications tailored to business needs, combining user experience, application performance and long-term maintainability.Backend expertiseOur Java and .NET developers excel at designing powerful, secure backends. They are capable of managing complex architectures, distributed microservices and hybrid cloud environments, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2799,"menu_order":20,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-2803","page","type-page","status-publish","hentry"],"yoast_head":"\nCustom IT development - Software engineering<\/title>\n<meta name=\"description\" content=\"Oniryx develops your customised business applications with multidisciplinary expertise and an agile, performance-oriented approach.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.oniryx.be\/en\/services\/custom-development\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Custom IT development - Software engineering\" \/>\n<meta property=\"og:description\" content=\"Oniryx develops your customised business applications with multidisciplinary expertise and an agile, performance-oriented approach.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.oniryx.be\/en\/services\/custom-development\/\" \/>\n<meta property=\"og:site_name\" content=\"Oniryx\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-08T13:12:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.oniryx.be\/wp-content\/uploads\/2025\/07\/cropped-fav.png\" \/>\n\t<meta property=\"og:image:width\" content=\"512\" \/>\n\t<meta property=\"og:image:height\" content=\"512\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.oniryx.be\\\/en\\\/services\\\/custom-development\\\/\",\"url\":\"https:\\\/\\\/www.oniryx.be\\\/en\\\/services\\\/custom-development\\\/\",\"name\":\"Custom IT development - Software engineering\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.oniryx.be\\\/en\\\/#website\"},\"datePublished\":\"2025-07-01T10:17:58+00:00\",\"dateModified\":\"2026-06-08T13:12:13+00:00\",\"description\":\"Oniryx develops your customised business applications with multidisciplinary expertise and an agile, performance-oriented approach.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.oniryx.be\\\/en\\\/services\\\/custom-development\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.oniryx.be\\\/en\\\/services\\\/custom-development\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.oniryx.be\\\/en\\\/services\\\/custom-development\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/www.oniryx.be\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Services\",\"item\":\"https:\\\/\\\/www.oniryx.be\\\/en\\\/services\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Custom development\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.oniryx.be\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.oniryx.be\\\/en\\\/\",\"name\":\"Oniryx\",\"description\":\"Consultance IT en Belgique\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.oniryx.be\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.oniryx.be\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.oniryx.be\\\/en\\\/#organization\",\"name\":\"Oniryx\",\"url\":\"https:\\\/\\\/www.oniryx.be\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.oniryx.be\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.oniryx.be\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/cropped-fav.png\",\"contentUrl\":\"https:\\\/\\\/www.oniryx.be\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/cropped-fav.png\",\"width\":512,\"height\":512,\"caption\":\"Oniryx\"},\"image\":{\"@id\":\"https:\\\/\\\/www.oniryx.be\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Custom IT development - Software engineering","description":"Oniryx develops your customised business applications with multidisciplinary expertise and an agile, performance-oriented approach.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.oniryx.be\/en\/services\/custom-development\/","og_locale":"en_US","og_type":"article","og_title":"Custom IT development - Software engineering","og_description":"Oniryx develops your customised business applications with multidisciplinary expertise and an agile, performance-oriented approach.","og_url":"https:\/\/www.oniryx.be\/en\/services\/custom-development\/","og_site_name":"Oniryx","article_modified_time":"2026-06-08T13:12:13+00:00","og_image":[{"width":512,"height":512,"url":"https:\/\/www.oniryx.be\/wp-content\/uploads\/2025\/07\/cropped-fav.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.oniryx.be\/en\/services\/custom-development\/","url":"https:\/\/www.oniryx.be\/en\/services\/custom-development\/","name":"Custom IT development - Software engineering","isPartOf":{"@id":"https:\/\/www.oniryx.be\/en\/#website"},"datePublished":"2025-07-01T10:17:58+00:00","dateModified":"2026-06-08T13:12:13+00:00","description":"Oniryx develops your customised business applications with multidisciplinary expertise and an agile, performance-oriented approach.","breadcrumb":{"@id":"https:\/\/www.oniryx.be\/en\/services\/custom-development\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.oniryx.be\/en\/services\/custom-development\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.oniryx.be\/en\/services\/custom-development\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/www.oniryx.be\/en\/"},{"@type":"ListItem","position":2,"name":"Services","item":"https:\/\/www.oniryx.be\/en\/services\/"},{"@type":"ListItem","position":3,"name":"Custom development"}]},{"@type":"WebSite","@id":"https:\/\/www.oniryx.be\/en\/#website","url":"https:\/\/www.oniryx.be\/en\/","name":"Oniryx","description":"Consultance IT en Belgique","publisher":{"@id":"https:\/\/www.oniryx.be\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.oniryx.be\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.oniryx.be\/en\/#organization","name":"Oniryx","url":"https:\/\/www.oniryx.be\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.oniryx.be\/en\/#\/schema\/logo\/image\/","url":"https:\/\/www.oniryx.be\/wp-content\/uploads\/2025\/07\/cropped-fav.png","contentUrl":"https:\/\/www.oniryx.be\/wp-content\/uploads\/2025\/07\/cropped-fav.png","width":512,"height":512,"caption":"Oniryx"},"image":{"@id":"https:\/\/www.oniryx.be\/en\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.oniryx.be\/en\/wp-json\/wp\/v2\/pages\/2803","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oniryx.be\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.oniryx.be\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.oniryx.be\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oniryx.be\/en\/wp-json\/wp\/v2\/comments?post=2803"}],"version-history":[{"count":5,"href":"https:\/\/www.oniryx.be\/en\/wp-json\/wp\/v2\/pages\/2803\/revisions"}],"predecessor-version":[{"id":3940,"href":"https:\/\/www.oniryx.be\/en\/wp-json\/wp\/v2\/pages\/2803\/revisions\/3940"}],"up":[{"embeddable":true,"href":"https:\/\/www.oniryx.be\/en\/wp-json\/wp\/v2\/pages\/2799"}],"wp:attachment":[{"href":"https:\/\/www.oniryx.be\/en\/wp-json\/wp\/v2\/media?parent=2803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}