Software Engineer

Job description

We are looking for an experienced Backend Engineer to help build, scale, and optimize next‑generation financial services infrastructure. You will work on high‑availability, low‑latency systems, powering consumer and business APIs used globally.

This role is ideal for someone who thrives in fast-paced fintech environments and is passionate about clean architecture, system performance, and secure engineering practices.

Key Responsibilities

• Design and develop backend services and APIs with a focus on performance, maintainability, and security.
• Deliver new features and improvements across a distributed microservices ecosystem.
• Collaborate closely with frontend, mobile, product, and infrastructure teams throughout the development lifecycle.
• Integrate APIs and services while ensuring reliable, scalable data flows.
• Contribute to technical discussions, architecture decisions, and engineering best practices.
• Write clean, well-tested, and well-documented code.

Must‑Have Technical Skills

• Expert-level Node.js development experience (TypeScript/Javascript).
• Professional Golang development experience.
• Strong GraphQL experience, including schemas, resolvers, and high-volume queries.
• Deep knowledge of PostgreSQL, including performance tuning and relational design.
• Hands-on experience with Redis for caching, pub/sub, or distributed systems.
• Fintech experience is a MUST — ideally in payments, banking, wallets, trading, or digital assets.
• Solid understanding of modern backend architecture, microservices, and API-driven systems.
• Strong foundation in version control, CI/CD pipelines, and software lifecycle best practices.

Nice to Have

• Experience with message queues such as Kafka, RabbitMQ, Pulsar, or NSQ.
• Experience integrating with 3rd‑party services or financial data providers.
• Familiarity with performance budgets, monitoring, and observability tooling.
• Knowledge of crypto, digital assets, or Web3 technologies.
• Contributions to open-source projects or engineering blogs.

What’s Offered

• Opportunity to work on high-impact fintech projects serving users globally.
• Collaborative engineering culture focused on innovation and excellence.
• Competitive compensation, flexibility, and professional development opportunities.
• Supportive environment with strong values around integrity, ownership, and teamwork.

Extra information

Status

Open

Education Level

Secondary School

Location

City of London

Type of Contract

Full-time jobs

Published at

09-03-2026

Profession type

Accountancy

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English