Spendbase
Senior Golang Developer (B2B Fintech)
SpendbaseUkraine10 hours ago
Full-timeEngineering, Information Technology

Spendbase is building the next-generation finance platform for modern companies. We optimize SaaS, cloud, and corporate card spend, and now we’re expanding our banking and card issuing team.

We’re looking for a Senior Golang Developer with hands-on fintech Saas experience (banking/cards/payments). If you love building scalable systems in a highly regulated environment and want to shape how corporate payments work — this is for you :)


What you’ll do:

  • Design, build, and maintain backend services for Spendbase’s new banking and payments infrastructure
  • Develop high-performance APIs and microservices in Go, ensuring reliability and scalability as we onboard thousands of customers
  • Collaborate with product, DevOps, and security teams to shape the architecture of core banking components — ledgers, transaction engines, KYC/KYB flows, and card issuing systems
  • Write clean, well-tested, and maintainable code. Participate in code reviews, refactoring, and continuous improvement
  • Diagnose production issues, perform root-cause analysis, and implement efficient fixes
  • Keep an eye on emerging tools, libraries, and patterns in the Go and fintech ecosystems


What we’re looking for:

  • 3+ years of experience developing backend systems in Golang
  • Experience in fintech or banking products is a must
  • Strong understanding of concurrency, memory management, and REST/gRPC design
  • Experience with databases (PostgreSQL, Redis) and cloud environments (AWS, GCP, or similar)
  • Understanding of secure software design, authentication, and data integrity (bonus if familiar with PCI DSS or banking APIs)
  • Solid grasp of software development best practices: version control (Git), testing, CI/CD
  • Proactive mindset and the ability to thrive in a fast-scaling startup environment
  • Upper-Intermediate or higher English


What we offer:

  • Competitive compensation with regular performance reviews
  • Paid overtime — we value your time
  • Paid vacation and sick leave
  • Online medical consultations
  • Opportunity to build fintech infrastructure from the ground up in a product-driven environment


Join the growth!

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