Staff Engineer

At Pesa, we are making cross-border payments simple, fast & reliable for individuals & businesses across emerging markets; providing tools that power economic freedom. We are on a mission to localize the global money transfer experience and are currently seeking an intelligent Backend Developer with a strong sense of ownership and drive for continuous improvement.

If you are driven to create mission-critical, cloud-based services, possess a thorough understanding of handling high volumes of customer requests, and are committed to achieving excellence through simplicity, we would love to connect with you!

We’re looking for a Backend Developer with deep experience in Golang and modern banking systems to help architect, build, and scale our next-generation neobank infrastructure. You’ll play a pivotal role in shaping our core banking, payments, and multi-currency systems that power the financial experiences of thousands of customers across the globe.

As a Backend Developer, you’ll work cross-functionally with our Product, Compliance, and Infrastructure teams to ensure our systems are reliable, secure, and capable of supporting rapid product innovation in regulated financial environments.

How you'll be contributing

• Lead architecture and development of scalable backend systems using Golang, with a focus on performance, fault-tolerance, and regulatory-grade reliability.

• Design and implement microservices that power multi-currency accounts, card issuance, and cross-border payments.

• Collaborate with product and compliance teams to embed KYC, AML, and transaction monitoring logic into core systems.

• Drive API design standards for internal and third-party integrations (e.g., card processors, open banking APIs, FX providers, ledger systems).

• Mentor and coach mid/senior engineers; establish and enforce engineering best practices, CI/CD workflows, and testing frameworks.

• Partner with SRE and DevOps teams to implement observability, monitoring, and fault isolation strategies for financial-grade uptime.

• Evaluate and integrate modern banking-as-a-service and ledger solutions while maintaining strong control over data integrity and performance.

• Lead technical design reviews, influence the product roadmap, and guide strategic technical decisions across the engineering organization.

Requirements

• 7+ years of backend engineering experience, with at least 3+ years building systems in Golang.

• Experience working in a Neobank, fintech, or regulated financial services environment (ideally EMI or payments).

• Proven experience architecting distributed systems, payment gateways, or transaction-ledger platforms.

• Working knowledge of observability stack (logging, metrics, tracing).

• Solid understanding of distributed systems, microservices & RESTful API design, REST/gRPC APIs, event-driven systems (Kafka, Pub/Sub).

• Experience working with relational databases, NoSQL & understanding catching patterns (PostgreSQL, Redis, or similar).

• Deep understanding of financial data integrity, idempotency, concurrency control, and security standards (PCI DSS, ISO 27001).

• Experience with cloud-native infrastructure (Google Cloud, AWS, or Azure) and container orchestration (Kubernetes).

• Strong familiarity with DevOps pipelines, GitOps, and automated testing in production-grade environments.

• Excellent communication skills and ability to work closely with product, design, and compliance counterparts in a fast-moving, global team.

Nice-to-Haves

• Experience with Core Banking Systems or Ledger Platforms (e.g., Mambu, Thought Machine, Solaris, or in-house ledgers).

• Familiarity with FX, remittance, or multi-currency wallets.

• Contributions to open-source Golang projects or fintech SDKs.

• Exposure to security and compliance tooling (Vault, HashiCorp, Terraform, etc.).