Senior Full-Stack .NET/React Developer (English C1 mandatory)
3 days ago
Valencia
UNISYS is a leading multinational technology company with more than 23,000 professionals worldwide, driving digital transformation for global organizations across key industries. We are currently looking to hire a Senior Full-Stack .NET/React Developer to join an ambitious, international project offering long‑term stability and growth. You will be part of a collaborative, innovative, and multicultural environment, where knowledge sharing and professional development are core to our culture. We offer immediate onboarding, the opportunity to work on high‑impact strategic initiatives, and collaboration within a high‑performing team with international exposure. At UNISYS, we actively promote flexibility, continuous learning, and a healthy work‑life balance. Fluent English is a mandatory requirement, as you will be working in a global environment alongside international teams. If you are seeking stability, career progression, and the opportunity to be part of a people‑centric company with a truly global footprint, UNISYS is the next step in your professional journey. Main Tasks: • Develop and maintain full stack cloud based web applications using .NET (C#) and React JS., • Write clean, maintainable, and testable code with a strong focus on unit and integration test coverage in a microservice architecture environment, • Design and consume RESTful APIs and work with both relational and non-relational databases., • Collaborate with product managers, designers, and fellow developers to deliver high-quality features., • Participate in code reviews, technical discussions, and architectural planning., • Contribute to CI/CD pipelines and deployment automation., • Support containerized application development using Docker and Kubernetes., • Must-Haves:, • 4+ years of experience in full stack development., • Strong knowledge of .NET Core / ASP.NET Core, C#, and React JS., • Proficiency in JavaScript/TypeScript, HTML, and CSS., • Experience working with relational (e.g., PostgreSQL, MySQL) and non-relational (e.g., MongoDB, Cosmos DB) databases., • Solid understanding/experience of microservices, cloud (Azure or AWS), software testing practices and commitment to maintaining high test coverage., • Good problem-solving skills and attention to detail., • Strong communication in English and teamwork abilities Nice-to-Haves: • Experience with Kubernetes and container orchestration., • Familiarity with CI/CD tools (e.g., Azure DevOps, GitHub Actions, Jenkins)., • Exposure to cloud platforms like Azure or AWS., • Understanding microservices architecture., • Knowledge of Server-Side React or Node.js for prototyping purposes, • Experience with GitHub Copilot. Benefits • Become part of our "Winning Culture" and work on award-winning projects in high-end technological setting, • We offer a company own learning platform! Our goal is to help you realize your individual potential!, • "Wellbeing & Employee Assistance Program": Your (mental) health is important to us and is treated confidentially by a neutral party!, • Solid qualification-, performance- & competence-based remuneration model, attractive pension scheme and various allowances, • Bonus/referral/incentive/recognition programs - we want you to feel appreciated at Unisys!, • We offer a health program on-top as a 24/7 life and accident insurance as well as an additional medical insurance to make sure you receive the best treatment in any situation possibly occuring, • Your work-life-balance is a high good for us at Unisys, therefore we offer 2 additional holidays(24th and 31st of December) as well as an option to buy up to 5 additional vacation days, • Competitive flexible benefits package, including 100% remote work and a remote work allowance., • On top of our Unisys university additional trainings and workshops are being at your free disposal