Senior Backend Developer

xpate

. Build and evolve Lambda-first microservices handling real money flows and integrations .

Posted 9/18/2026full-timeRemote • CyprusSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong backend engineering capabilities with extensive experience in TypeScript and Node.js, focusing on building and maintaining AWS-based microservices. Proficient in designing REST APIs, implementing event-driven workflows, and ensuring high-quality code delivery.

Highest-signal resume keywords

TypeScript Backend EngineeringAWS Lambda MicroservicesPostgreSQL Database ManagementEvent-Driven ArchitectureClean Code Practices

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

TypeScriptNode.jsAWS LambdaDynamoDBPostgreSQLZodMochaSinonTerraformGitHub Actions

Soft Skills

Predictable DeliveryQuality Assurance

Tools & Technologies

AWS SQSAWS EventBridgeAWS X-RayWinstonServerless FrameworkMiddyLuxonESLintPrettier

Industry Keywords

FintechMicroservicesEvent-Driven WorkflowsObservabilityAccess-Pattern-First Design

Tech Stack

Tools & technologies

AWSDynamoDBJavaScriptMicroservicesMochaNode.jsPostgresRayTerraformTypeScript

About the role

Key responsibilities & impact

Build and evolve Lambda-first microservices handling real money flows and integrations
Design REST APIs with type-safe Zod schemas and durable contracts
Model data in DynamoDB using access-pattern-first design
Use PostgreSQL when relational storage is more appropriate
Ship event-driven workflows with SQS, EventBridge, and Step Functions
Implement retries, idempotency, dead-letter handling, and backpressure
Ensure observability through structured Winston logging, AWS X-Ray distributed tracing, and actionable metrics
Write tests with Mocha and Sinon to protect releases and reduce regressions
Maintain high quality standards while delivering predictably
Own work end-to-end and contribute to xpate’s fintech platform

Requirements

What you’ll need

Strong hands-on backend engineering experience in TypeScript / Node.js
Real AWS production experience building, operating, debugging, and fixing systems in production
Ability to ship fast without compromising quality
Clean code, predictable delivery, and solid engineering fundamentals
Use AI tools daily for coding, debugging, and analysis
English at B2+ level
Experience with TypeScript and Node.js 18–22
Experience with AWS Lambda, DynamoDB, S3, SQS, EventBridge, and Step Functions
Experience with PostgreSQL
Experience with Serverless Framework and Middy
Experience with Zod, Winston, AWS X-Ray, and Luxon
Experience with Mocha and Sinon
Experience with ESLint, Prettier, Terraform, and GitHub Actions

Benefits

Comp & perks

Flexible hours
Hybrid/remote work options
Private health insurance
Paid time off
Top-of-the-line Apple gear
Workspace designed for focus and collaboration
Ownership of work end-to-end
Freedom to move fast and make a real impact
Celebrated wins
Opportunities to grow
Culture where voices are heard and chances to grow are ever-present