
Senior Full Stack Java Engineer
Avenga
full-time
Posted on:
Location Type: Remote
Location: Ukraine
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Job Level
About the role
- Join an international team working on scalable, high-performance applications for enterprise clients
- Focus on building robust backend services, integrations, and modern web interfaces in a cloud-based environment, following Agile practices
- Design, develop, and maintain scalable backend services using Java and Spring Boot
- Build and enhance RESTful APIs for high-performance applications
- Contribute to frontend development using ReactJS / NextJS (limited scope, ~20%)
- Collaborate with cross-functional teams to deliver reliable and maintainable solutions
- Take ownership of features end-to-end, ensuring code quality and best practices
- Act as a senior team member: proactively solve problems, support less experienced engineers, and drive technical decisions
Requirements
- Strong experience as a Senior Full Stack or Backend Engineer
- Solid expertise in Java and Spring Boot
- Proven experience building and designing REST APIs
- Experience working with NoSQL databases (OpenSearch is a plus)
- Good knowledge of ReactJS or NextJS and modern frontend practices
- Backend-oriented mindset with focus on scalability and performance
- Ability to work independently and proactively in an Agile environment
- English — Upper-Intermediate level
- Nice-to-have skills: Knowledge or hands-on experience with Identity and Access Management (IAM) concepts
- Experience working with authentication/authorization platforms such as Auth0
- Experience with observability, logging, and performance monitoring tools
Benefits
- Everyone matters and equal opportunities in recruitment
- Commitment to fostering a diverse work environment
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
JavaSpring BootREST APIsNoSQL databasesReactJSNextJSAgilescalabilityperformance
Soft Skills
problem-solvingteam collaborationownershipproactiveindependence