Senior Java Backend Engineer – Payments & KYC Integrations

Jit; Polska; Hybrid; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

Jit is seeking a senior backend engineer to build and evolve key business capabilities around customer onboarding, payments, identity verification and CRM integrations within a modern financial platform. You will design and implement backend services supporting the customer lifecycle.

The role requires close collaboration with architects, product teams and other engineers to deliver scalable, reliable and secure solutions in a regulated environment.

Qualifications

• 5+ years of backend development experience
• Strong Java and Spring Boot experience
• Hands-on with Microsoft Dynamics 365 and/or Dataverse integrations
• Experience with AWS Cognito or similar identity management
• Experience with payments integrations and KYC/onboarding processes
• Fluent English communication

Responsibilities

• Design and develop backend services using Java and Spring Boot
• Build integrations with Microsoft Dynamics 365 / Dataverse
• Develop and maintain integrations with payment providers and KYC solutions
• Integrate authentication and identity services based on AWS Cognito
• Design scalable APIs and microservices
• Ensure security, reliability and compliance of business-critical systems
• Collaborate with product owners, architects and cross-functional engineering teams
• Mentor less experienced engineers and share engineering best practices
• Leverage AI tools to improve software delivery and engineering productivity

Job description

Jit is seeking a senior backend engineer to build and evolve key business capabilities around customer onboarding, payments, identity verification and CRM integrations within a modern financial platform. You will design and implement backend services supporting the customer lifecycle.

The role requires close collaboration with architects, product teams and other engineers to deliver scalable, reliable and secure solutions in a regulated environment.