Principal Full Stack Software Engineer

belfast, antrim Company: JR UK Client / Employer: Ocho

Posted: 18.05.2026

Closing date: 02.07.2026

Job reference: db2d71b60102eb8d654433161fd02bd2

Job information

Location

belfast, antrim

Company

JR UK

Client / Employer

Ocho

Job reference

db2d71b60102eb8d654433161fd02bd2

Listing type

Basic

EU work permit required

Posted

18.05.2026

Closing date

02.07.2026

Job description

Senior Full Stack Software Engineer UK Remote - Must be able to attend quarterly meetings in Belfast Permanent Single Stage Technical Interview The Opportunity At OCHO, we partner with organisations where engineering quality is taken seriously. This opportunity sits within a high-performing product engineering team building large-scale operational software used daily by thousands of field-based users. The technical challenges are meaningful - scale, reliability, data flow, and user experience all matter. The team operates with pace, autonomy, and high standards, relying on senior engineers who can contribute from early product ideation through to technical delivery. We are seeking a true Senior Full Stack Engineer who can own solutions end to end - someone who understands how backend systems, frontend experiences, and product decisions combine to create scalable, high-quality software. This is not a surface-level full stack role. Successful candidates will have delivered meaningful complexity across both backend and frontend, influenced architecture, and partnered closely with Product to shape technical direction. What You'll Be Doing Partnering with Product teams from ideation through to delivery, shaping technical solutions from the outset Designing and building substantial backend functionality underpinning complex operational workflows Delivering high-quality React-based frontend experiences that are performant, intuitive, and resilient Leading architectural discussions around system design, data flow, and technical trade-offs Writing clean, maintainable, well-tested production code Driving improvements across engineering standards, patterns, and best practices Mentoring other engineers and helping elevate technical capability across the wider team What We're Looking For Essential Experience Proven track record delivering meaningful complexity across both backend and frontend engineering Strong commercial React experience including component architecture and state management Solid backend engineering experience using a modern language / framework Experience influencing system design and architecture, not simply implementing tickets Comfortable working within distributed / service-oriented / event-driven systems Strong understanding of data modelling, API design, and performance optimisation Product-minded approach with strong ownership mentality Passion for improving engineering culture and technical standards Why This Role? Join a business where engineering quality genuinely matters Work on complex, high-scale product challenges with visible impact Operate in an environment that values technical leadership and initiative Full stack genuinely means full stack here Significant autonomy and influence over technical decisions Interview Process Single Stage Technical Interview Focused on: System Design Code Reasoning Problem Solving A streamlined, fair, and efficient process. Interested? To discuss the opportunity in confidence, reach out to Ryan Quinn on LinkedIn. Skills: JavaScript AWS TypeScript Python Go Java Benefits: Options

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