Senior Golang Developer – Payment Verification Systems

At CheckPayee, we’re building the infrastructure of trust for European payments. Our real-time API verifies payees before payments are processed — protecting users and reducing APP fraud. As a Senior Golang Developer, you’ll work on high-performance, mission-critical systems that process millions of payment verifications daily across European markets.

• Build Scalable APIs : Design and implement high-throughput REST and gRPC APIs for real-time payment verification
• Optimize Performance : Ensure sub-second response times for payment verification requests
• Enhance Security : Implement robust security measures for handling sensitive financial data
• Collaborate Cross-functionally : Work closely with product, compliance, and customer success teams
• Mentor Junior Developers : Share knowledge and help grow our engineering culture
• 5+ years of professional Go development experience
• Experience building RESTful APIs and microservices
• Strong understanding of SQL databases and query optimization
• Experience with payment systems, banking APIs, or fintech applications
• Knowledge of security best practices in financial services
• Familiarity with containerization and orchestration (Docker, Kubernetes)
• Experience with SEPA payment systems or banking protocols
• Knowledge of fraud detection and risk management systems
• Experience with high-frequency trading or real-time financial systems
• Contributions to open-source Go projects
• Experience with regulatory compliance (PCI DSS, GDPR)
• We speak English, Ukrainian, and Russian
• We’re fast, transparent, and support each other
• We value smart architecture and clean code
• You’ll be part of a fraud-fighting, impact-driven backend team

CheckPayee is a European Verification of Payee (VoP) provider helping banks, PSPs, and fintechs prevent fraud and comply with SEPA regulations. We’re part of a German IT group with 10+ years of experience in fintech and medtech. We build systems that are secure, scalable, and fast — and we believe in engineering with purpose.

• Intro Call : Initial discussion about your experience and our needs
• Tech Interview : Architecture and Go development discussion
• Coding Task : Practical assessment of your Go skills
• Team Call : Meet with the engineering team
• Offer : Complete process within 10-14 days
• 5+ years of professional Go development experience
• Experience with payment systems, banking APIs, or fintech
• Strong knowledge of microservices architecture
• Experience with PostgreSQL, Redis, and message queues
• Understanding of security best practices in financial services
• Experience with Docker, Kubernetes, and cloud platforms (AWS/GCP)
• Remote-first culture with flexible hours
• Opportunity to fight financial fraud at scale
• Work with experienced, international team
• Professional development budget and conference support