Senior Java Engineer

Quick Facts

• Role: Senior Java Engineer

• Focus: Distributed systems, real-time data processing, and cloud-native architectures

• Core stack: Java, Spring Boot, microservices, streaming/time-series platforms, Azure

Description

Build highly scalable enterprise platforms in a high-throughput, mission-critical environment. You will design and implement real-time streaming and time-series data solutions, apply enterprise security with Azure AD and OAuth, and deploy containerized services on Azure using Docker and Kubernetes. You will also contribute to solution architecture and modern SDLC execution, with AI-assisted software development to accelerate delivery and improve code quality.

Responsibilities

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

Requirements

• 5+ years of Java development experience with Spring Boot
• Expertise in ORM frameworks including JPA and iBatis
• Proficiency in security frameworks including Azure AD and OAuth
• Knowledge of Kafka, CosmosDB, PostgreSQL, and Redis for data streaming and storage architectures
• 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, including SDLC
• Strong communication skills to translate business requirements into global technical solutions
• Experience delivering 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 model with opportunity to work remotely within Poland
• Chance to work abroad for up to 60 days annually; business-driven relocation opportunities
• Career development programs, thought leadership, mentoring, and soft skills & well-being programs
• Certification support (Anthropic, Gemini, GCP, Azure, AWS) and English classes
• Office perks including entertainment/relaxation zones, table tennis and football, free snacks and coffee, plus corporate/social/well-being events