Avenga

Senior Java Fullstack Engineer

Avenga

full-time

Posted on:

Location Type: Office

Location: Poland

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Job Level

Senior

Tech Stack

JavaJavaScriptNext.jsNoSQLReactSpringSpring BootSpringBoot

About the role

  • Develop and maintain scalable backend services using Java and Spring Boot
  • Build and enhance RESTful APIs for internal and external integrations
  • Consume and process data from OpenSearch or other NoSQL data sources
  • Implement React / Next.js features, with a backend-first mindset

Requirements

  • Strong experience with Java and Spring Boot, a Senior Fullstack Engineer or Backend Engineer with some frontend exposure
  • Strong experience designing and implementing REST APIs
  • Experience working with NoSQL databases (preferably OpenSearch or similar technologies)
  • ReactJS / NextJS, experience working with design systems
  • Backend-first mindset (primarily backend focus vs frontend)
  • Nice-to-have skills: IAM knowledge is a plus (e.g., Auth0)
  • Experience working in Agile environments
  • Proactive attitude and ownership mindset
Benefits
  • Equal opportunities in recruitment, career development, and leadership
  • Supportive work environment
  • Diverse community of employees and business partners
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
JavaSpring BootREST APIsNoSQLOpenSearchReactJSNext.jsAgile
Soft Skills
proactive attitudeownership mindset