Senior Back End Software Engineer / Payments/core, London

The Team Back End Engineering is a foundational function at Thought Machine. Our Engineers spearhead the evolution of our flagship "Vault" product. We emphasize technical excellence, utilizing a monorepo structure and advanced continuous deployment practices. While the pace of development is rapid, we maintain a strict standard for high‑quality, production‑ready code.

• System Development: Architect and implement high‑performance, scalable microservices using modern best practices.
• Quality Assurance: Develop comprehensive automated unit and integration tests.
• Cross‑Team Collaboration: Work closely with diverse engineering squads to ensure feature integration is logical and cohesive.
• End‑to‑End Ownership: Oversee and troubleshoot deployments from initial testing environments through to live production.
• Technical Scoping: Convert client needs into actionable technical requirements and tickets.

• 6+ years of professional experience in Software Engineering.
• Strong proficiency in either Golang or Python.
• A proven track record of integrating automated testing into the development lifecycle.
• A desire to work on client‑focused projects, including defining deliverables and scoping work.
• Prior experience in the Finance or Banking sectors.
• Hands‑on experience with AWS or alternative cloud platforms.
• Knowledge of database systems (SQL or NoSQL).
• Understanding of client/server architectures and microservice networking.
• Familiarity with container orchestration (Kubernetes, Mesos, etc.).
• Experience in team leadership or a strong interest in future management.