Join a leading global investment management business, building high-performance front-office applications that support portfolio managers, investment professionals and trading workflows. This is a high-impact engineering role combining hands-on full-stack development, scalable architecture and direct collaboration with front-office stakeholders.

Senior Full Stack Software Engineer

London | Up to £700 per day PAYE

Build technology at the heart of global investment management.

Join a leading global investment management business, building high-performance front-office applications that support portfolio managers, investment professionals and trading workflows.

This is a high-impact engineering role combining hands-on full-stack development, scalable architecture and direct collaboration with front-office stakeholders.

What you'll be doing

• Design and build modern applications using React or Vue.js and Java-based back-end services.
• Develop distributed microservices, APIs and scalable enterprise architectures, with Python and Node.js also valuable.
• Work with relational and NoSQL databases, including PostgreSQL, MySQL and DynamoDB.
• Build and deploy cloud-based solutions using AWS, Azure or GCP, alongside CI/CD pipelines and automated testing.
• Optimise application performance, security, reliability and production support.
• Lead technical design, code reviews and testing, resolve complex engineering challenges and mentor other developers.
• Work directly with portfolio managers, product owners and cross-functional teams to deliver technology supporting investment and trading activities.

What we're looking for

Technical expertise

• Extensive full-stack software engineering experience.
• Strong React or Vue.js skills and a solid understanding of UI/UX.
• Proven Java development experience, ideally with Python and Node.js.
• Strong knowledge of microservices, API design, distributed systems and scalable architecture.
• Experience with SQL/NoSQL databases, cloud platforms, CI/CD and automated testing.
• Understanding of application security, performance optimisation and enterprise production environments.

Financial services expertise

• Strong understanding of investment products, portfolio management and trading workflows.
• Experience in asset management, investment banking, capital markets or front-office financial technology.
• Ability to translate complex business requirements into secure, scalable technical solutions.
• Confidence working directly with investment professionals in a demanding financial services environment.

The opportunity

• Up to £700 per day PAYE, depending on experience.
• Work on business-critical investment technology for a major global financial services organisation.
• Direct engagement with portfolio managers and front-office decision-makers.
• Technical ownership across modern frontend engineering, Java microservices, cloud and enterprise architecture.

Location: London, hybrid working, with three days in the office — Tuesday, Wednesday and Thursday.

Interested in building sophisticated technology at the intersection of software engineering and financial markets? Let's talk.

Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates