Exadel

AI-first global tech company

Back-EndSoftwareEngineer(Java/Kotlin)

Warsaw, Poland Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Mid candidates.

The Brief

“Back-End Software Engineer (Java/Kotlin) at Exadel. Skills: Java, Kotlin, Spring Boot, Microservices. Develop backend microservices. Maintain backend microservices”

What You'll Achieve.

Drive impact; Improve operational efficiency; Support business growth; Streamline complex processes

Industry & Context.

AI first global tech company

What They're Looking For.

Must Have

3+ years of experience building backend systems with Java or Kotlin, Experience with Spring Boot, Experience with microservices architecture, Good understanding of OOP, Good understanding of Software Design Patterns, Experience with PostgreSQL or other relational databases, Knowledge of testing principles, Knowledge of engineering best practices, Familiarity with CI/CD pipelines, Familiarity with production deployments, communication skills in English

Nice to Have

Experience with Akka/Pekko, Experience with Docker, Experience with Kubernetes, Knowledge of Kafka, Knowledge of event-driven architectures, Understanding of Event Sourcing, Understanding of CQRS, Experience with AWS cloud services, English level: Upper-Intermediate

What You'll Do.

Develop backend microservices

Maintain backend microservices

Analyze technical improvements

Drive technical improvements

Ensure high engineering quality

Take ownership of features

Contribute to system improvement

Use development tools responsibly

Use AI-assisted engineering solutions responsibly

How You'll Work.

Team & Collaboration

Work in a cross-functional team; Work in a self-organized Agile team

Communication Scope

English

Full Job Description

Join Exadel as a Back-End Software Engineer and bring bold ideas to life on a long-term global project. You’ll write clean code, drive impact, and have a real voice at the table. Why Join Exadel We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks. From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next. What powers it all? Our people are ambitious, collaborative, and constantly evolving. About the Client An international transportation technology company focused on building scalable digital solutions for modern rail operations. The organization develops internal platforms and automation tools that improve operational efficiency, support business growth, and streamline complex processes in a fast-paced environment. Project Tech Stack Kotlin, Spring Boot, Akka/Pekko, PostgreSQL, Kafka, Event Sourcing, CQRS, AWS, Kubernetes (K8s), Docker, Microservices, RESTful APIs What You’ll Do Develop and maintain backend microservices for e-commerce platforms Work in a cross-functional, self-organized Agile team Analyze and drive technical improvements Ensure high engineering quality through testing and code reviews Take ownership of features end-to-end, from design to production Contribute to the continuous improvement of existing systems Use modern development tools and AI-assisted engineering solutions responsibly What You Bring 3+ years of experience building backend systems with Java or Kotlin (or willingness to learn Kotlin) Experience with Spring Boot and microservices architecture Good understanding of OOP and Software Design Patterns Experience with PostgreSQL or other relational databases Knowledge of testing principles and engineering best practices Familiarity with CI/CD pipelines and production deployments Strong communication skills in English Nice to have Experience with A

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