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November 3, 2026

Java Backend Developer (Spring Boot)

Junior • Remote

Warsaw, Poland

Quick Facts

  • Role: Java Backend Developer (Spring Boot)

  • Domain: Automotive Digital Key (phone as a digital car key)

  • Work mode: Remote

Description

You will work on backend services for a distributed Digital Key solution that enables using a phone as a car key. The system communicates with external platforms via APIs, and you will also support a service for recording and replaying car-related events. The role combines backend development with maintenance, problem analysis, troubleshooting, and some infrastructure/DevOps-oriented tasks.

Responsibilities

  • Develop and evolve backend services using Java 17 and Spring Boot

  • Build and improve API-based integrations between systems

  • Extend services in a distributed, microservices architecture

  • Analyze logs, data, and technical root causes

  • Diagnose errors across collaborating systems

  • Work with databases, environments, and application instances

  • Use Linux and the terminal in daily tasks

  • Support maintenance, infrastructure, and lightweight DevOps activities

  • Collaborate with backend developers, frontend developers, QA, and other project stakeholders

Requirements

  • Experience in backend development with Java and Spring Boot (Java 17)

  • Knowledge of MongoDB or other document-oriented databases

  • Knowledge of distributed systems and microservices architecture

  • Comfortable Linux/terminal usage

  • Experience integrating systems through APIs

  • Ability to independently analyze and solve technical issues

  • Openness to combining development with maintenance and infrastructure/DevOps tasks

Benefits

  • Individual support for professional and personal development and career growth aligned with your goals

  • Guidance from a Service Delivery Manager to plan your career path and ensure satisfaction

  • Training, certificates, and conferences with technical-development cost coverage

  • Opportunity to switch projects according to preferences (#SmartChange)

  • Work-life balance support through integrations, sports activities, and #edge1talks webinars

  • Health package: private care, sport card, insurance, and psychological support platform

  • Flexible benefits: choose how to spend points in the benefits system

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