Senior .NET Developer
Sopra Steria
Sopra Steria offers tailored, end-to-end corporate technology and software solutions to help clients make bold choices and deliver results. Successfully so! With more than 56.000 colleagues in 30 countries, we rank as Europe’s leading digital solutions provider. Some of the most successful companies in Europe rely on our technology due to our commitment to innovation, collaboration, and value in business development. The world is how we shape it. Let’s shape it together.
Job Description
Experience in building applications for web, mobile, desktop, or gaming? You’ll be familiar with .NET by Microsoft. This open-source, cross-platform framework (compatible with macOS, Windows, and Linux) supports various programming languages, including the ever-popular C#. Thanks to its high-performance runtime, consistent programming model, and extensive library of precoded solutions .NET enables us to incorporate performance, security, reliability, and productivity into our solutions.
Our Developers specialise in application and software development while seamlessly integrating systems, so we never lose sight of our business goals. With an eye towards user experience and productivity, you’ll design, code, and test new functionalities while troubleshooting issues, optimizing performance, and keeping technical documentation in order. Our developers love to design and are always informed of the latest design trends. When fulfilling day-to-day tasks, you’ll always be ready with a solution when there’s a problem. You’ll also collaborate with other teams and never miss a detail so you can deliver solutions that meet Sopra Steria’s quality standards.
Qualifications
We’re seeking passionate colleagues who are eager to push the boundaries in digital transformation and technology consulting. At Sopra Steria, you’ll have the opportunity to grow your skills in a constructive, collaborative team environment, working on impactful projects that drive change for our clients. If you thrive on challenge and meet (most of) the
qualifications
below, we look forward to your application!- .NET
- Angular
- Mobile and web development
- Entity Framework
- UWP
- WCF
- API design
- Design patterns
- DevOps
- OO principles
- Education: Bachelor’s degree in computer science or a relevant equivalent
- Languages: English and Dutch
- Seniority: 10+ years of experience
What we can offer you
As a member of one of Europe’s largest digital solutions providers, you’ll benefit from extensive career development opportunities, both local and international. At the Sopra Steria Academy, you’ll be part of a dynamic network of 56,000 professionals at all stages of their careers. With a wide array of offices to explore, you can find your ideal location and take the next step in your career.
You’ll become a part of a major Tech player in Europe recognised for its consulting, digital services, and software development. On top of that, you’ll join a team that is called Design & Develop. Our team thrives on genuine connections, flexibility, and continuous learning through training, ensuring we deliver innovative solutions that help clients embrace digital transformation. Specializing in Application Lifecycle Management, Application Modernization, and Digital Experience Management, we apply AI, Cloud, and Security principles to craft tailored solutions across .NET, Java, and Digital platforms.
Additional Information
Our employees are known for making bold choices and delivering results. Work among high-level professionals at the forefront of corporate software solutions and innovation at Europe’s Leading Digital Service Provider. We offer a generous employee benefits package that includes:
- A variety of perks, such as mobility options (including a company car), insurance coverage, meal vouchers, eco-cheques, and more.
- Continuous learning opportunities through the Sopra Steria Academy to support your career development.
- The opportunity to connect with fellow Sopra Steria colleagues at various team events.
People are the cornerstone of our success. That’s why we aspire to be bolder together. Our goal is to build high-functioning teams and healthy team environments that inspire and help each other to deliver excellence for each of our customers. Excited about this job opportunity? Ready to shape the world with us? Great! We are looking forward to your application!
Want to know what happens next?
The recruitment process typically begins with the first step, where the recruiter screens candidates based on their
qualifications
and fit for the role. This is followed by the second step, where candidates undergo more in-depth evaluations, including technical assessments and an interview with the capacity manager to assess both technical skills and team compatibility. The third step involves the company reviewing feedback and aligning on a potential offer. Finally, in the final step, the candidate receives a formal job offer.______
Sopra Steria is an equal opportunity employer. All qualified applicants will be considered for employment without regard to age, ancestry, nationality, color, family or medical leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, gender (including pregnancy), sexual orientation or any other characteristic protected by applicable local laws, regulations and ordinances. We foster a work environment that is inclusive and respectful of all differences.
- ...Mission Overview: As a Senior .NET Developer, you will play a key role in designing, developing, and maintaining robust software solutions based on Microsoft technologies. You will bring your technical expertise to ensure code quality, solution sustainability, and...Senior.NETTemps completÀ distance
- ...quality code delivery while adhering to team standards and best practices. Profile / Requirements : Strong experience with: .NET Framework (4.x) & .NET 8 Entity Framework (EF) Core WPF SQL Server MongoDB RabbitMQ Knowledge of microservices architecture...Senior.NETTemps complet
- ...Senior .NET Developer Location: Brussels (Hybrid – minimum 2 days/week on-site) Languages: French or Dutch (C2 level) and English (C1 level) Work Model: Hybrid Overview We are looking for an experienced Senior .NET Developer to design, develop...Senior.NET
- ...About the Role We are looking for a highly skilled Senior .NET Developer to join our client’s team in Brussels. You will play a key role in designing, developing, and maintaining applications and services within a complex enterprise environment. The role requires...Senior.NETÀ distance
- ...nécessaire, par les compétences et ressources du groupe. .Net Developer H/F C’est votre mission Vous êtes passionné·e par la... ...Ce poste est fait pour vous. En tant que Développeur .NET WPF Senior , vous êtes responsable de la fiabilité et de l' évolution...Senior.NETFreelanceEmploi en CDIÀ distance
- ...Vacancy: Senior .NET Core Developer Location: Brussels, Belgium About the client Belgium’s financial regulatory authority is responsible for supervising and regulating the national financial markets. Working closely with the National Bank of Belgium and...Senior.NET
- ...demanding and stimulating environment in which to transform and develop their skills, learning about new AI-based roles and building their... .... Job Description We are looking for a skilled .NET Developer who enjoys solving complex problems, building high‑quality....NETTemps complet
- ...mission-critical systems that impact citizens and businesses across the country Project The client is looking for a Senior .NET Integration Developer to join Team Black, a platform team within the IT department. Team Black operates as a cross-functional enablement...Senior.NETÀ distance
- ...Junior .NET Developer Location: Brussels, Belgium (Hybrid) About the Opportunity We are looking for a motivated Junior .NET... ...functional requirements into technical solutions under the guidance of senior team members. Support the maintenance, testing, debugging,...Senior.NETEmploi contractuelFreelanceTemps completÀ distance
- ...Job Title: Senior Application Developer (PowerBuilder / .NET) Location: Brussels, Belgium (Hybrid – minimum 2 days on-site) We are seeking a Senior Application Developer to support the maintenance, enhancement, and modernization of legacy business applications...Senior.NET
- ...WE DEVELOP PEOPLE WHO DEVELOP TECHNOLOGY And we want to develop you! At Growin people always come first. Why? Because we believe... ...countries - you can count on us. Are you a savvy Fullstack .NET Developer seeking a new challenge in a dynamic team? We want to....NETTemps complet
- ...green energy infrastructure that supports economic growth and reduces the ecological footprint. Your Role As a Full Stack .NET Developer, you will support ongoing projects within established teams. You will be responsible for delivering high-quality, maintainable code....NETTemps complet
- ...Job Description : We are looking for a .NET Angular & Mobile App Developer to join our .NET Center of Excellence. You will be responsible for developing and maintaining .NET Angular web and mobile applications, as well as integrating them with other tools and platforms....NETEmploi contractuelTemps complet
8 € par heure
...Nous recherchons un consultant medior pour renforcer nos équipes .NET pour des clients situés en Wallonie et à Bruxelles. Si vous êtes dynamique et désireux de développer des applications, cette opportunité pourrait être faite pour vous ! Votre rôle au sein d'Oniryx....NETTemps completAlternance- ...Le poste : We are seeking an experienced Senior Java Developer to join a team responsible for designing, developing, and maintaining critical applications supporting digital transformation and operational excellence in the railway ICT sector. The consultant will contribute...SeniorTemps complet
- Wat houdt deze vacature in? Je talenten als Full Stack Developer inzetten in ons team? Dat is meebouwen aan het meest tastbare aspect van... .... ~Je communiceert helder in het Nederlands en Engels. ~Net zoals je collega’s, ben je positief ingesteld en hou je van humor...Senior.NETEmploi contractuelPhysique
- ...freelancers to work remotely and locally on various national and international projects. The perfect candidate for this role is a Senior .NET Developer with strong experience in .NET 8, EF Core, WPF, SQL Server, MongoDB, and RabbitMQ, exposure to microservices, excellent...Senior.NETFreelanceTemps completÀ distance
- ...player in the railway infrastructure sector, is looking for a Senior Java Engineer to work on business-critical applications that consolidate... ...real-time traffic planning and monitoring. You will design, develop, and maintain robust, scalable, and secure Java solutions...SeniorTemps complet
- ...Senior Java Developer (Contract) Location: Brussels, Belgium Work Model: Hybrid (Onsite presence required on Mondays and Thursdays) Contract Duration: June 2026 – January 2027 Employment Type: Contract / Freelance Language Requirement...SeniorEmploi contractuelFreelanceTemps complet
- ...Job Description : As a Senior Oracle DB Developer, you will work on challenging projects critical to the continuity and performance of a leading railway infrastructure operator. These projects involve consolidating and distributing information related to railway traffic...SeniorEmploi contractuelTemps completBack office
- ...Junior Full-Stack .NET Developer (Hybrid) Overview We are looking for a Junior Full-Stack .NET Developer to join a Scrum development team of five members. The mission focuses on developing and enhancing modules within a social services application, supporting....NETTemps completÀ distance
- ...By placing "Positive Innovation" at the heart of its strategy, the Talan Group is convinced that it is by serving people that technology amplifies its potential for society. We are seeking a talented .NET Developer to join our team and work on IT projects.....NET
- ...Senior .NET & Web Development Expert (GIS) Location: Brussels, Belgium Work Model: Hybrid... ...sharing technical expertise with fellow developers. Key Responsibilities Software Development Design, develop, and maintain enterprise web applications...Senior.NETEmploi contractuelTemps complet
- Experienced Full stack .NET Developer Position Description (Note: This job posting is only open to resident in Belgium , native Dutch . If this is not the case, please have a look at our other job postings instead!). We are looking for an experienced Full....NETEmploi contractuelRecrutement immédiat
- ....NET Integration Developer – Azure Platform We are looking for an experienced .NET Integration Developer to join a platform team supporting large-scale Azure cloud transformation initiatives within a complex IT environment. You will contribute to the design, development....NETÀ distance
- ...Aperçu du poste Nous recherchons un(e) Senior .NET Engineer pour rejoindre une équipe à fort impact travaillant sur des applications... ...en solutions techniques. Responsabilités Concevoir, développer et maintenir des applications de niveau entreprise en C# / ....Senior.NET
- ...compétences au service d'un projet citoyen ayant un réel impact sociétal. Comment se présente votre journée ? ~ En tant que Java Developer, vous programmez de nouvelles applications, adaptez des programmes existants, testez et documentez votre travail. Vous vous...SeniorSalaire horaireTemps completÀ distance
- ...Senior Planisware Analyst Developer Overview We are seeking a Senior Planisware Analyst Developer to support the administration, enhancement, and continuous evolution of a large-scale Project, Program, Portfolio, and Planning (PPPM) platform. The role combines...Senior
- ...Full Stack Developer / Technical Lead (.NET & Angular) – Medior Location: Brussels, Belgium (Hybrid) About the Role We are seeking a talented Full Stack Developer / Technical Lead to join a dynamic IT Development team supporting critical digital transformation....NETEmploi contractuelFreelanceTemps completÀ distance
- Functieomschrijving Binnen de bankwereld neemt AI veel datawerk over, maar de échte beslissingen? Die liggen bij jou. In deze rol ben jij de eindverantwoordelijke die AI-alerts analyseert en het kaf van het koren scheidt. Jij doorgronde de complexe context die een...SeniorEmploi contractuelTemps complet
Voulez-vous recevoir plus d'offres d'emploi ?
S'abonner et recevoir des offres d'emploi similaires à Senior .NET Developer. Soyez parmi les premiers à postuler !



