Senior Full-Stack Developer (.NET + Angular)

Job Applicant Privacy Notice Publication Date: Aug 13, 2026 Ref. No: 549695 Location: About Atos Group Atos Group is a global leader in digital transformation with c. 56,000 employees and annual revenue of c. €7.2 billion (at the go-forward perimeter), operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, 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 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. About Eviden Eviden is the Atos Group brand for hardware and software products with c. € 1 billion in revenue, operating in 36 countries and comprising four business units: advanced computing, cybersecurity products, mission-critical systems and vision AI. As a next-generation technology leader, Eviden offers a unique combination of hardware and software technologies for businesses, public sector and defense organizations and research institutions, helping them to create value out of their data. Bringing together more than 4,500 world-class talents and holding more than 2,100 patents, Eviden provides a strong portfolio of innovative and eco-efficient solutions in AI, computing, security, data and applications. Senior Full-Stack Developer (.NET + Angular) B2B Contract | 100% Remote - Poland About the Role We are looking for two Senior Full-Stack Developers to join a project delivering an IT solution for a railway sector client . You will work across backend and frontend layers, contributing to the design and implementation of scalable, secure applications — including API development, database logic, CI/CD environments, and module integrations within the ISZTP ecosystem. Responsibilities Developing and maintaining backend services using .NET 10 (ASP.NET Core) Building frontend interfaces with Angular Designing and consuming RESTful APIs Implementing business logic, security mechanisms, and database layer (MS SQL Server) Developing the OIU application for billing, complaints, and reporting Building and maintaining ISZTP-integrated modules Preparing and configuring development environments Working with CI/CD pipelines in Azure DevOps Maintaining code quality through Git / Git Flow in team repositories Creating technical documentation Requirements Min. 5 years of experience as a backend (.NET) and frontend (Angular) developer Min. 5 years on .NET platform (ASP.NET Core) with Git and Git Flow Min. 5 years with Angular 2.0 or higher Min. 5 years building scalable applications with varied inter-component communication patterns (incl. RabbitMQ / MassTransit) Min. 5 years implementing secure authentication, authorisation, communication, and identity management Solid knowledge of MS SQL Server 2019+, Entity Framework, T-SQL, LINQ, CLR SP Proficiency in HTML5, CSS3, TypeScript, JavaScript Experience with responsive layout implementation (UX/UI) Familiarity with Azure Service Bus or Kafka - nice to have Knowledge of Jira Fluent Polish - spoken and written, min. C2 level Work Model Type: B2B contract Work model: 100% remote from Poland Preferred availability: Immediate or within 2 weeks Open positions: 2 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.