Senior Full-Stack .NET/React Developer

Unisys

Job Summary

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, work with relational and non-relational databases, and collaborate with cross-functional teams to deliver high-quality features. Contribute to CI/CD pipelines and support containerized application development using Docker and Kubernetes.

Must Have

  • 3–5 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.

Good to Have

  • 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.

Perks & Benefits

  • Become part of our "Winning Culture" and work on award-winning projects in high-end technological setting.
  • Corporate Social Responsibility and Inclusion standards are very important to us and go far beyond the usual - especially in the current political climate!
  • 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!
  • Extended health insurance coverage also for private use after 1-year tenure (premium package).
  • Hybrid work model (3 days onsite/2 days flexible) and great camaraderie, whilst working with Lithuania and global top talent.
  • Free parking lots and a bike garage for storage.

Job Description

What success looks like in this role:

  • 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.

You will be successful in this role if you have:

Must-Haves:

  • 3–5 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
  • Corporate Social Responsibility and Inclusion standards are very important to us and go far beyond the usual - especially in the current political climate!
  • 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!
  • Extended health insurance coverage also for private use after 1-year tenure (premium package)
  • Hybrid work model (3 days onsite/2 days flexible) and great camaraderie, whilst working with Lithuania and global top talent
  • Free parking lots and a bike garage for storage

Salary: up to 74.000 € based on your competencies and skills

#LI-LO1

Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.

This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers. If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at GlobalRecruiting@unisys.com or alternatively Toll Free: 888-560-1782 (Prompt 4). US job seekers can find more information about Unisys’ EEO commitment here.

About Us

Unisys is a global technology solutions company that powers breakthroughs for the world’s leading organizations. Our solutions – cloud, AI, digital workplace, logistics and enterprise computing – help our clients challenge the status quo and unlock their full potential. To learn how we have been helping clients push what’s possible for more than 150 years, visit unisys.com and follow us on LinkedIn.

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27 Skills Required For This Role

Team Management Github Game Texts Test Coverage React Js React Mysql Postgresql Html Prototyping C# .net Core Aws Azure Azure Devops Node.js Mongodb Ci Cd Docker Microservices Kubernetes Asp.net Github Actions Typescript Javascript Css Jenkins

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