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.).