Lead Java Backend Developer

We are seeking a Lead Java Backend Developer with exceptional expertise in distributed systems, real-time data processing, and cloud-native architectures to deliver highly scalable enterprise platforms for high-throughput, mission-critical environments.

Please note that working from the client's office 3 days per week is required.

Responsibilities

• Design and architect scalable enterprise platforms leveraging distributed systems and cloud-native architectures
• Build and maintain real-time streaming and time-series data platforms with high performance and high throughput
• Develop microservices and data streaming solutions using modern Java frameworks
• Apply resilience engineering and security best practices across backend systems
• Translate business requirements into global technical solutions
• Collaborate with cross-functional technology teams to deliver integrated solutions
• Leverage AI-assisted tools to enhance software development efficiency
• Implement CQRS and Event Sourcing patterns within enterprise architecture
• Ensure adherence to SDLC best practices and modern software development standards
• Adapt architectural and engineering approaches to complex business and regulatory domains

Requirements

• 7+ years of experience in Java and Spring Boot development
• Expertise in ORM frameworks such as JPA and iBatis
• Knowledge of security protocols including Azure AD and OAuth
• Proficiency in Kafka, CosmosDB, PostgreSQL, and Redis
• Familiarity with REST, Azure, Docker, and Kubernetes
• Skills in build tools such as Maven and Gradle
• Background in microservices and data streaming architectures
• Understanding of Computer Science fundamentals and modern software development practices, including SDLC
• Showcase of AI-assisted software development capabilities
• Strong communication skills, including the ability to translate business requirements into global solutions and collaborate with other technology teams
• English proficiency at B2 level or higher

Nice to have

• Experience in Client Lifecycle domain
• Familiarity with Flowable

Benefits

We gather like-minded people:

• Top tech minds driving innovation in AI, cloud and digital platform modernization
• Supportive team and agile, startup-like culture
• Hybrid by design mode and opportunity to work remotely within Poland
• Chance to work abroad for up to 60 days annually
• Business-driven relocation opportunities

We provide growth opportunities:

• Career development programs
• Thought leadership, mentoring, soft skills and well-being programs
• Certification (Anthropic, Gemini, GCP, Azure, AWS)
• English classes

We cover it all:

• Stable pay
• Participation in the Employee Stock Purchase Plan with a 15% discount
• Benefits package (health insurance, multisport, shopping vouchers)
• Referral bonuses up to $2,000
• Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more
• Corporate, social and well-being events

Please, note:

• Benefits listed above are available to employees only
• We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually
• We will reach out to selected candidates exclusively