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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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