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Confidential · Software Engineering

Senior Java Software Engineer

Sofia, BulgariaFull-timeHybrid

Build reliable Java services and modern web applications. Take features from design to production, combining strong backend engineering with hands-on React and TypeScript skills.

About the company

This search is managed by xciterr for a confidential client.

About the role

We are looking for a Senior Java Software Engineer to help build and operate a dependable enterprise platform. You will work across Java and Spring Boot services, APIs, data persistence, and web interfaces, making practical design decisions and taking responsibility for software quality throughout its lifecycle. You will collaborate closely with engineers and product stakeholders in a hybrid team based in Sofia.

Responsibilities

  • Design and develop maintainable services using Java and the Spring ecosystem.
  • Build and integrate REST APIs, relational data models, and React interfaces.
  • Translate requirements into technical designs and deliver features through testing, review, and release.
  • Strengthen resilience, security, monitoring, and the reliability of distributed applications.
  • Investigate production issues, improve delivery pipelines, and contribute to operational support.
  • Share knowledge, review code, and help colleagues make sound engineering decisions.

Requirements

  • At least five years of software engineering experience, with strong production Java and Spring Boot expertise.
  • Hands-on experience with React and JavaScript or TypeScript, alongside strong backend development skills.
  • Experience with REST APIs, object-oriented design, distributed systems, relational databases, and ORM tools.
  • Practical experience with cloud-based applications, Git, CI/CD, and automated unit and integration testing.
  • Confidence using AI-assisted development tools while retaining responsibility for code review, correctness, and security.
  • Strong English communication skills and the ability to explain technical trade-offs to colleagues and stakeholders.
  • Willingness to support production services and participate in an on-call rota when required.

Key skills

  • Java
  • Spring Boot
  • React
  • TypeScript
  • SQL
  • Cloud

What we offer

  • Permanent, full-time employment with hybrid work based in Sofia.
  • The opportunity to own meaningful engineering work from design through production.
  • An international working environment with support for continued learning and development.

xciterr Ltd is a registered employment intermediary with the Employment Agency of the Republic of Bulgaria. Registration No. 4119 covers the Republic of Bulgaria.