SENIOR APPLICATION DEVELOPER
Wroclaw, PL
About Atos Group
Atos Group is a global leader in digital transformation with c. 67,000 employees and annual revenue of c. €10 billion, operating in 61 countries under two brands — Atos for services and Eviden for products. European number one in cybersecurity, cloud and high performance computing, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is the brand under which Atos SE (Societas Europaea) operates. Atos SE is listed on Euronext Paris.
The purpose of Atos Group is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.
We are looking for a highly experienced .NET professional to join our team and contribute to the design, development, and support of enterprise‑level solutions. This role combines deep technical expertise with leadership responsibilities, ensuring high‑quality delivery across modern and legacy environments.
Key Responsibilities
- Design, develop, and maintain robust backend services using C#, VB.NET, and .NET Core.
- Build and consume REST APIs and GraphQL endpoints for modern web and mobile applications.
- Develop and optimize SQL Server and MongoDB databases for performance and scalability.
- Implement asynchronous messaging and event‑driven architecture with Azure Service Bus.
- Maintain and enhance legacy systems, including ASP.NET Web Forms and Windows Services.
- Utilize Entity Framework and LINQ for efficient data access.
- Implement and maintain CI/CD pipelines using Azure DevOps.
- Design and deploy containerized applications using Docker.
- Collaborate with frontend teams to integrate APIs with Angular applications using NGRX.
- Conduct code reviews, unit testing, and ensure continuous integration best practices.
- Work closely with stakeholders to gather requirements and deliver high‑quality solutions.
- Lead and mentor a cross‑functional development team, providing guidance and support across the SDLC.
- Serve as the main technical point of contact between development, QA, DevOps, and other teams.
Required Skills & Experience
- 10+ years of hands‑on experience with C# and .NET Core in enterprise environments.
- Strong proficiency in VB.NET and maintaining legacy applications.
- Solid understanding of SQL Server and MongoDB database design and optimization.
- Experience building and consuming RESTful APIs and GraphQL services.
- Familiarity with Azure Service Bus or similar messaging systems.
- Experience working on solutions for large‑scale events (e.g., accreditation systems).
- Skilled in Windows Services, Web Forms, Entity Framework, and LINQ.
- Proven expertise in Azure DevOps CI/CD pipelines.
- Experience supporting high‑demand production environments and troubleshooting complex issues.
- Strong background in working with geographically distributed, multicultural teams.
- Ability to perform root cause analysis and define corrective actions.
Soft Skills
- Strong analytical and problem‑solving mindset.
- Excellent communication and teamwork abilities.
- Ability to work effectively under pressure in cross‑functional teams.
- Proactive and adaptable in a fast‑paced environment.
We take care of your personal data privacy. More information about processing your data within recruitment process you can find on our website:https://eviden.com/privacy-policy/Nasze przedsiębiorstwo przestrzega zasad ochrony sygnalistów ustanowionych w dedykowanej procedurze zgodnie z ustawą z dnia 14 czerwca 2024 r. o ochronie sygnalistów (Dz.U. z 2024 r. poz. 928), zapewniając wszystkim pracownikom oraz osobom ubiegającym się o zatrudnienie lub świadczenie usług pełną poufność i ochronę w zakresie zgłaszania naruszeń prawa.The company follows an equal opportunity policy and does not permit any form of discrimination based on gender, disability, age, origin, sexual orientation, or any other protected characteristic. All employment decisions are made solely on the basis of competence and qualifications.Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all. Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment. Let’s grow together.