Unisys
Senior Full Stack Engineer — Backend Focus
Silver Spring, Maryland · Senior
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About the role
- We're looking for an experienced Senior Full Stack Engineer who enjoys solving complex problems and taking ownership from investigation through resolution.
- You'll help address urgent issues with practical short-term solutions while also identifying and delivering durable fixes.
Responsibilities
- Design, build, and maintain backend services and APIs using Java and Spring Boot.
- Investigate production and performance issues, implement appropriate immediate mitigations, and follow through with permanent solutions.
- Build and optimize REST APIs and services for reliability, performance, and scalability.
- Work with AWS, including Lambda and RDS, to develop and operate cloud-based applications.
- Analyze database performance, optimize queries, and contribute to database tuning.
- Build and maintain frontend features using Angular and/or React.
- Develop and improve unit tests, automated tests, and performance testing practices.
- Use AI-assisted development tools thoughtfully: understand generated code, assess its quality, and tune or optimize it as needed.
- Collaborate with product, data, compliance, and engineering teams; participate in code reviews and share knowledge.
Requirements
- 10 years of experience
- Experience in performance testing, automation, unit testing
- AI: must have understanding the code, to tune and optimize the code.
- Strong hands-on experience with Java, Spring Boot, and API development.
Nice to have
- Experience with PostgreSQL, MongoDB, Python, or Spark SQL.
- Experience with CI/CD, Docker, infrastructure as code, or GitLab CI/CD.
- Familiarity with AWS services such as EC2, ECS, Fargate, S3, or EMR.
- AWS certification, such as Solutions Architect or Developer Associate.
- Experience using generative AI tools across software development workflows.
- Apply on LinkedIn or message us to learn more.
Company info
- About the role We're looking for an experienced Senior Full Stack Engineer who enjoys solving complex problems and taking ownership from investigation through resolution.
This listing is sourced directly from Unisys's careers page and normalized into a canonical job model.