Full Stack Software Engineer

Miller Maxwell; City Of London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A proprietary trading firm in London is seeking talented Backend Software Engineers to design and build scalable backend services using TypeScript and Node.js. The role offers a collaborative environment where engineers directly influence trading performance. Candidates should have 5+ years of experience, a degree in a STEM field, and strong skills in GraphQL and SQL databases. Join this tech-driven firm to make a real impact in trading technology.

Benefits

Career progression

Investment in development

Qualifications

• 5+ years of backend development experience.
• Strong experience with React and TypeScript.
• Proficiency in designing and implementing GraphQL.

Responsibilities

• Design and build scalable backend services using TypeScript and Node.js.
• Develop and optimise SQL databases for high-throughput, low-latency data.
• Implement Kafka for real-time data streaming and event-driven architecture.

Skills

Backend Development

TypeScript

Node.js

SQL Databases

GraphQL

Collaboration

Education

Degree in Computer Science, Engineering, or related STEM field

Tools

Testing Frameworks

CI/CD Pipelines

Job description

Miller Maxwell is working with a fast-growing proprietary trading firm based in central London. This niche company trades exclusively with its own capital, using advanced technology and real-time data to execute high-frequency strategies across global markets. As they scale their engineering function, they are hiring for two B ackend Software Engineers to help build and optimise the systems that underpin their trading operations.

This is a rare opportunity to join a technology-first trading firm where engineers are central to the business. You’ll work in a flat, collaborative environment where your code has a direct and measurable impact on trading performance.

What You’ll Be Doing:

• Designing and building scalable backend services using TypeScript and Node.js
• Developing and optimising SQL databases for high-throughput, low-latency data
• Implementing Kafka for real-time data streaming and event-driven architecture
• Creating and maintaining GraphQL APIs to support internal tools and trading systems
• Collaborating closely with traders, quants, and product teams to deliver high-impact solutions
• Participating in code reviews, architecture discussions, and continuous improvement initiatives

What the client is looking for:

• Degree in Computer Science, Engineering, or a related STEM field
• 5+ years of backend development experience
• Strong experience with React and TypeScript
• Proficiency in designing and implementing GraphQL
• Familiarity with testing frameworks and CI/CD pipelines
• ️ Strong communication skills and a collaborative mindset

Why Join a Proprietary Trading Firm?

• Direct Impact – Your work directly affects trading outcomes and profitability
• Fast Feedback Loop – See the results of your code in real-time
• Flat Structure – Work closely with traders and decision-makers
• Tech-Driven Culture – Innovation and speed are at the heart of everything
• No Legacy Systems – Build greenfield solutions in a modern stack

What’s on Offer for the Full Stack Software Engineer:

• Career progression and investment in your development

If you're passionate about Full Stack engineering and want to work in a high-performance environment where technology drives every decision, this is your chance to make a real impact. Apply now and help shape the future of trading technology.

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