Senior Backend Developer

Stack

Responsibilities

• ▹Build and evolve Lambda-first microservices that handle real money flows and integrations
• ▹Design REST APIs with type-safe schemas (Zod) and contracts that don't rot
• ▹Model data in DynamoDB (access patterns first) and use PostgreSQL when relational fits better
• ▹Ship event-driven workflows with SQS/EventBridge/Step Functions: retries, idempotency, dead-letters, backpressure
• ▹Ensure observability: structured logging (Winston), distributed tracing (AWS X-Ray), actionable metrics
• ▹Write tests (Mocha/Sinon) that protect releases and reduce regressions

Requirements

• ▹Strong hands-on backend engineering experience in TypeScript/Node.js
• ▹Real AWS production experience: built, operated, debugged and fixed systems in production
• ▹Ability to ship fast without sacrificing quality: clean code, predictable delivery, solid engineering fundamentals
• ▹Daily use of AI tools to accelerate coding, debugging and analysis
• ▹English at B2+ level

Soft skills

What we offer

• ▹Competitive salary
• ▹Flexible hours and hybrid/remote work options
• ▹Private health insurance
• ▹Paid time off
• ▹Top-of-the-line Apple gear
• ▹A workspace designed for focus and collaboration

About the company

xpate is building the financial backbone of the future, where payments move freely and businesses thrive without barriers.