Senior Full Stack Engineer

Posted 30 September 2026
Salary Negotiable
LocationBelfast
Job type Permanent
Discipline Tech
ReferenceBBBH15967_1790776907

Job description

Senior Full Stack Engineer

An established global financial technology organisation, this company delivers critical market infrastructure alongside innovative data and liquidity solutions to clients across international financial markets. They are currently looking for an experienced Full Stack Engineer to join their expanding technology team in Belfast. As a Full Stack Engineer, you'll play a key role in developing modern platforms and services, while working as part of a highly skilled engineering function. This Full Stack Engineer opportunity offers the chance to work with modern cloud technologies and contribute to the development of next-generation financial technology.

Working closely with a leading global cloud provider, you'll have the opportunity to work on a next-generation platform built using modern technologies and cloud architecture, collaborating with highly experienced engineers and technical architects.

Salary / Benefits
Competitive salary and benefits package
Hybrid working
Opportunity to work with modern AWS technologies
Excellent career progression and technical development opportunities
Collaborative, international engineering environment
About your next employer

A global organisation operating across multiple international markets, they are continuing to invest significantly in their technology capabilities and developing a next-generation platform from the ground up.

The Belfast engineering team forms part of a wider global technology function, delivering highly scalable, low-latency services that support the organisation across its international operations.

About you

You'll be an experienced Full Stack, Front End or Backend Engineer with strong TypeScript expertise and a genuine interest in developing robust, scalable and high-quality software.

You'll ideally have experience with:

TypeScript, JavaScript, React and contemporary front-end technologies
Backend development using TypeScript, Java, C# or another object-oriented language
REST APIs, GraphQL and WebSockets
AWS and modern cloud technologies
Microservices and event-driven architectures
SQL and NoSQL databases
Automated unit, integration and end-to-end testing
Terraform and containerisation technologies
CI/CD pipelines and modern software engineering practices
Git and Agile development environments

You'll also be someone who enjoys tackling complex technical challenges, constructively questioning existing approaches and supporting the development of less experienced engineers.

What you'll do
Design, develop, test and deploy high-quality software solutions
Drive continuous engineering and development improvements within the team
Collaborate closely with architects, technical leads and fellow engineers
Contribute to broader system architecture and technical decision-making
Refactor and modernise existing systems in line with the target architecture
Help deliver scalable, reusable and maintainable services
Champion strong engineering practices throughout the software development lifecycle
Mentor and support junior and developing members of the engineering team

The team is responsible for its services throughout the full production lifecycle, so there may occasionally be a requirement to assist with production incidents outside standard working hours.

For further information on this Full Stack Engineer opportunity, apply via the link or contact the VANRATH office for a confidential discussion today.

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