Senior Full Stack Engineer (Ref: 192765)

Senior Software Engineer - £500 per day - Outside IR35 - London (2 days per week)

Contact : Matthew.Makranczy@forsythbarnes.com

Overview

We are seeking a talented Software Engineer to join an established team focused on improving a live product. The software supports fraud response teams within banks to investigate accounts suspected of laundering the proceeds of scams. Our full-stack application integrates with other software to surface AI insights driven by cutting-edge data-science techniques and our valuable datasets.

The most important parts of our stack:

• TypeScript
• React
• Express (Node)
• Event-driven processing (RabbitMQ)
• PostgreSQL Databases
• Docker
• Kubernetes
• Jenkins CI/CD

Key Skills & Experience

• Expert-level programming with NodeJS (preferably TypeScript)
• Moderate-level programming with ReactJS
• Strong awareness of secure coding standards (e.g., OWASP, CWE).
• Docker & Kubernetes
• SQL (preferably Postgres or Oracle)
• Skilled in identifying and refactoring anti-patterns and managing technical debt.
• Proficient in CI/CD practices and tooling (e.g., Jenkins).
• Strong background in test strategy and execution—from unit and integration tests to performance and regulatory testing.

Responsibilities

• Design and build scalable applications and services, following best practices for code quality, reviews, and security.
• Contribute to technical design and architecture for service-level solutions that align with evolving business needs.
• Partner with product and delivery teams to prioritise work and balance trade-offs.
• Continuously identify opportunities to improve and modernise core services – automation is key to our development culture.
• Introduce and implement new technologies responsibly, aligned with enterprise architecture principles.
• Contribute to knowledge sharing across your team and adjacent groups.