Senior Golang Developer – Payment Verification Systems

Checkpayee; United States; Remote; USD 77,000 - 99,000; Full time

Benefits offered by this job

Remote-friendly

Professional development budget

Conference support

Job summary

Checkpayee is seeking a Go backend engineer to build high-throughput payment verification services for European markets. You will design REST and gRPC APIs, optimize performance, and enforce security for financial data while collaborating with product and compliance teams.

Remote-first with flexible hours, the role offers a competitive EUR salary and an international, collaborative team. Prior experience with payments and cloud platforms is preferred.

Qualifications

• At least five years of professional Go development experience.
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Responsibilities

• Design and build REST and gRPC APIs for payment verification workloads.
• Improve service performance to support fast responses to verification requests.
• Apply security practices for systems handling sensitive financial information.
• Work with product, compliance, and customer-facing teams on technical needs.
• Contribute to backend architecture and help mentor less experienced developers.

Skills

Go

REST APIs

Microservices

SQL databases

Security practices

Docker

Kubernetes

Payment systems

Tools

PostgreSQL

Redis

Message queues

AWS

GCP

Job description

Role overview

Build backend services for real-time payment verification across European markets. The work centers on high-throughput APIs and dependable, secure systems that help prevent payment fraud, with responsibility spanning implementation, performance, and collaboration across product and compliance functions.

Responsibilities

• Design and build REST and gRPC APIs for payment verification workloads.
• Improve service performance to support fast responses to verification requests.
• Apply security practices for systems handling sensitive financial information.
• Work with product, compliance, and customer-facing teams on technical needs.
• Contribute to backend architecture and help mentor less experienced developers.

Requirements

• At least five years of professional Go development experience.
• Experience building REST APIs and microservices.
• Strong SQL database knowledge, including query optimization.
• Background in payment systems, banking APIs, or financial technology.
• Understanding of security practices for financial services.
• Familiarity with Docker and Kubernetes.

Nice to have

Experience with SEPA or other banking protocols, fraud detection or risk systems, real-time financial workloads, open-source Go projects, or PCI DSS and GDPR compliance. PostgreSQL, Redis, message queues, and AWS or GCP experience are also relevant.

Benefits and work setup

Full-time, remote-first role with flexible hours. The listed location is Berlin, Germany, and the salary range is €70,000–€90,000. Benefits include a professional development budget and conference support, alongside an international, collaborative team.