Senior Full Stack Engineer

Company: VANRATH
Apply for the Senior Full Stack Engineer
Location: Belfast
Job Description:

Senior Full Stack Engineer

A leading global financial services organisation is investing in its technology platforms and expanding its engineering capabilities. They are currently seeking an experienced Senior Full Stack Engineer to join their Belfast-based team, working on the development of innovative, scalable applications and cloud-based solutions that support critical business operations.

Salary / Benefits

  • Competitive salary and benefits package

  • Hybrid working

  • Opportunity to work with modern technologies and cloud platforms

  • Exposure to large-scale technology transformation projects

  • Career development and opportunities to work alongside experienced engineers and architects

About your next employer

Our client is a well-established global financial services organisation operating across international markets. With a strong focus on technology, innovation and operational excellence, they are continuing to invest in modernising their platforms and delivering high-quality digital solutions.

You will join a collaborative engineering team, working on enterprise-level applications and services using modern development practices and cloud technologies.

About you

  • Strong commercial experience as a Full Stack, Front-End or Back-End Software Engineer within an enterprise environment.

  • Experience with TypeScript and/or JavaScript and modern front-end frameworks, particularly React.

  • Strong backend development experience with C#/.NET, ASP.NET, Java or another object-oriented language.

  • Experience developing RESTful APIs, microservices and distributed applications.

  • Knowledge of relational and/or NoSQL databases, such as PostgreSQL, SQL Server or MongoDB.

  • Experience with AWS or other cloud platforms.

  • Familiarity with Docker, Kubernetes, Git and CI/CD pipelines.

  • Experience with automated testing, including unit, integration and end-to-end testing.

  • Understanding of Agile methodologies and the full software development lifecycle.

  • Strong problem-solving, communication and collaboration skills.

Desirable:

  • Experience with AWS Lambda, Fargate, API Gateway or AppSync.

  • Knowledge of Terraform or AWS CDK.

  • Experience with messaging technologies such as Kafka, Solace or AMQP.

  • Exposure to event-driven or low-latency systems.

  • Knowledge of observability tools such as OpenTelemetry or Grafana.

  • Financial services, trading systems or financial markets experience.

What you’ll do

  • Design, develop and maintain scalable full-stack applications and cloud-based services.

  • Build and integrate APIs, microservices and distributed systems.

  • Take ownership of the full software development lifecycle, from technical design and development through to testing, deployment and production support.

  • Contribute to architectural discussions and help evolve existing systems towards target-state architecture.

  • Work closely with Product Owners, Business Analysts, Architects and Engineers to deliver effective technical solutions.

  • Drive improvements in engineering standards, code quality, performance and application security.

  • Contribute to Agile planning, estimation, prioritisation and delivery.

  • Develop and maintain CI/CD pipelines and automated testing practices.

  • Troubleshoot and resolve technical issues within production environments.

  • Mentor junior engineers and share knowledge across the wider team.

For further information on this job, apply via the link or contact the VANRATH office for a confidential chat today.

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Posted: November 3rd, 2026