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# Senior Full Stack Engineer

- **Company:** PaymentGenes
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Architectural Patterns, Relational Databases, Distributed Systems, Amazon DynamoDB, Fraud Prevention and Detection, PostgreSQL, Node.Js, NoSQL, Software Engineering, TypeScript, WebSocket, Transaction Processing (Computing), Cloud Platform System, ReactJS, Backend, Event Driven Architecture, Build Management, Front End Software Development, Service Stack
- **Published:** May 28, 2026
- **Apply:** https://uk.indeed.com/viewjob?jk=935ed3a0d25c93b7

## About the Role

Do you have experience in TypeScript?, * 5-7 years of software engineering experience

 * Strong full stack development experience with TypeScript
 * Experience building and scaling production systems
 * Solid understanding of APIs and distributed systems
 * Experience with relational databases
 * Awareness of security and compliance considerations
 * Comfortable working in a fast-paced, startup environment

## Description

PaymentGenes are supporting a high-growth fintech company is building next-generation financial infrastructure focused on enabling fast, efficient international funds distribution for businesses. Currently midway through an MVP build, the team is looking to hire a Senior Full Stack Engineer to join at a critical stage of product development.

You will work closely with a small, experienced engineering team to help design and deliver a regulated financial platform from the ground up, with a strong emphasis on performance, scalability, and security.

The Opportunity
This role offers end-to-end ownership across the stack, with involvement in architecture, implementation, and building systems designed for compliance within a regulated environment. The team is focused on creating robust, auditable, and scalable systems from day one., * Design and build end-to-end features across frontend and backend

 * Contribute to transaction processing and ledger systems
 * Develop event-driven services using modern architectural patterns
 * Build real-time functionality using WebSockets
 * Integrate with third-party providers (e.g. identity verification, payments)
 * Support fraud prevention and monitoring capabilities
 * Contribute to infrastructure and CI/CD pipelines
 * Ensure systems are secure, resilient, and compliant

Technology Stack

 * TypeScript across the stack
 * Modern backend frameworks (Node.js ecosystem)
 * React (TypeScript) and contemporary UI libraries
 * Relational and NoSQL databases (e.g. PostgreSQL, DynamoDB)
 * Cloud-native infrastructure (AWS or similar)
 * Event-driven architecture
 * Monorepo setup and CI/CD pipelines


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