Freelance Software Engineer - Backend TypeScript
Freelance / independent contractor
Core
Design and build scalable backend banking APIs and services for embedded finance products.
Role type
Senior Freelance Backend Software Engineer
Builds
Banking APIs, payment systems, and customer-facing applications
Domain
Fintech / Embedded Banking
Required skills
TypeScript, NodeJS, GraphQL, PostgreSQL, Kafka, Docker, Kubernetes, AWS, backend optimization, automated testing, CI/CD, distributed systems
Preferred skills
Functional programming, open source contribution, high-complexity system design, long-term scalability planning
Technologies
NodeJS, TypeScript, GraphQL, PostgreSQL, Kafka, Docker, K8S, AWS
Responsibilities
Design bank-by-API architecture, optimize system performance under growing load, ensure architecture rules and automated test compliance, take technical ownership of projects
Seniority
Senior, hands-on IC