Senior JavaScript Engineer

Senior Software Engineer - Type Script / Node.js / AWS At a Glance Senior-level individual contributor role on a high-calibre platform engineering team Full-stack Type Script / Node.js backend, React / frontend, AWS infrastructure Hybrid working - Belfast £60,000 - £70,000  performance-based bonus Real architectural influence, this is not a feature-factory role About the Company Our client is a scaling, product-led technology business building modern cloud-native platforms at the core of its global growth strategy.

Their platforms are not peripheral - they are central to revenue, scalability, and long-term product delivery. With disciplined engineering practices and a high-calibre team, this is an environment where quality, clean architecture, and technical ownership are genuinely valued.

The Role This is a senior engineering position for someone who wants architectural influence, technical ownership, and the opportunity to shape how a platform 'll join a platform engineering team responsible for systems that directly underpin global product delivery, working across the full stack with modern tooling and cloud-native infrastructure. The expectation at this level is clear: strong fundamentals, clean architecture, and confident decision-making.

You will operate as a senior individual contributor with meaningful influence over design, quality, and technical standards - without heavy management layers getting in the way.

Key Responsibilities Design and evolve core platform systems with scalability and long-term maintainability in mind Deliver full-stack features using Type Script / Node.js on the backend and React / on the frontend Architect and deploy cloud-native solutions on AWS across application and infrastructure layers Define and manage infrastructure through Terraform and Infrastructure as Code practices Own CI/CD pipelines and release processes end to end Apply test-driven development and strong automated testing principles throughout delivery Contribute to architectural decisions and long-term platform direction Troubleshoot complex production issues across the full stack Collaborate closely with product and delivery stakeholders to shape technical solutions What You'll Need Essential Strong commercial experience as a Software Engineer at senior level Deep experience with JavaScript / Type Script, particularly in Node.js

environments Strong frontend capability using React and Hands-on AWS experience across application deployment and infrastructure

Experience with Infrastructure as Code - ideally Terraform Solid database fundamentals across relational and No

SQL (Postgre

SQL, Dynamo

DB or similar) Proven experience operating within modern CI/CD environments Clear understanding of scalable system design and cloud-native architecture Right to work in the UK Nice to Have Experience writing backends in Rust Exposure to AI-powered developer tooling and agentic workflows Background in platform, SaaS, or product-led businesses Why Apply? Senior-level ownership without heavy management layers Modern tech stack and disciplined engineering practices - clean architecture is a genuine standard here Real architectural influence over a platform central to global growth £60,000 - £70,000 base salary plus performance-based bonus Hybrid working from Belfast Clear pathway toward Lead / Principal Engineer progression High-growth environment where engineers who think beyond tickets are valued Interested?

For a confidential conversation, connect directly with Ryan Quinn on Linked In or submit your CV via the link below. We represent the largest selection of technology roles of any recruitment firm in Northern Ireland , if this one isn't the right fit, we're always happy to meet and talk through where you want to go in 2026.

Skills:

React Type Script AWS Benefits:
Bonus