Senior Java Engineer

Quick Facts

• Role: Senior Java Engineer

Description

Build scalable Java-based backend solutions using Spring Boot and microservices in a distributed, cloud-native environment. Design and maintain real-time streaming and time-series data platforms, leveraging Kafka and related distributed data technologies. Implement enterprise security using Azure AD and OAuth, and deploy containerized services on Docker and Kubernetes for Azure.

Responsibilities

• Design and develop scalable Java backend solutions with Spring Boot and microservices
• Build and maintain real-time streaming and time-series data platforms with high throughput
• Architect solutions using Kafka, CosmosDB, PostgreSQL, and Redis
• Apply security best practices using Azure AD and OAuth across enterprise applications
• Deploy and manage containerized applications with Docker and Kubernetes on Azure
• Translate business requirements into technical solutions with cross-functional teams
• Use AI-assisted software development practices to improve code quality and delivery
• Contribute to architecture decisions focused on resilience, scalability, and maintainability
• Participate in the full software development lifecycle using modern SDLC practices
• Use Maven and Gradle to manage dependencies and builds

Requirements

• 5+ years of Java development with Spring Boot
• Expertise in ORM frameworks such as JPA and iBatis
• Proficiency with security frameworks including Azure AD and OAuth
• Knowledge of Kafka, CosmosDB, PostgreSQL, and Redis
• Familiarity with REST, Azure, Docker, Kubernetes, Maven, and Gradle
• Understanding of microservices and data streaming architectures
• Background in computer science fundamentals and modern software development practices (SDLC)
• Strong communication skills to translate business requirements and collaborate across teams
• Proven delivery of high-performance, high-throughput real-time streaming and time-series platforms

Benefits

• Stable pay; Employee Stock Purchase Plan with a 15% discount
• Benefits package (health insurance, multisport, shopping vouchers)
• Referral bonuses up to $2,000
• Hybrid-by-design mode with opportunity to work remotely within Poland
• Chance to work abroad for up to 60 days annually and business-driven relocation opportunities
• Career development programs, mentoring, soft skills and well-being programs
• Certifications (Anthropic, Gemini, GCP, Azure, AWS)
• English classes
• Corporate, social and well-being events; office amenities (entertainment and relaxation zones, table tennis and football, free snacks and coffee)