Software Developer; Ruby on Rails​/React

Software Developer (Ruby on Rails/React)

Swansea, United Kingdom | Posted on 28/05/2026

Scrumconnect Consulting is a multi-award-winning digital consultancy whose work has positively influenced the lives of over 40 million UK citizens. We deliver impactful technology solutions across UK government departments, working at the forefront of user‑centred design, agile delivery, and scalable digital services that genuinely make a difference.

Strong focus on work‑life balance with a flexible hybrid model (3 days onsite).

Be part of a collaborative, multidisciplinary agile environment alongside civil servants and industry experts.

Based in Swansea, South Wales – three days per week onsite.

Senior Software Developer will be a core member of a blended digital delivery squad, embedded within the organisation's major digital delivery programme. You will bridge user needs and technical delivery, designing, building, and supporting high‑volume digital services at pace.

• Design, build, and support full‑stack digital services using Ruby on Rails and React, ensuring code is scalable, resilient and accessible.
• Deliver user‑centred, secure‑by‑design services that align closely with the Government Service Standard, Technology Code of Practice, and internal engineering principles.
• Work collaboratively within blended multidisciplinary agile squads, partnering with Product Owners, Agile Delivery Managers, Business Analysts, and Architects to deliver outcomes at pace.
• Integrate APIs and support the decomposition of legacy interfaces to modernise platforms while maintaining service continuity and data integrity.
• Enhance CI/CD pipelines, implementing automated testing (TDD/BDD) to improve deployment frequency, quality and reliability.
• Embed service reliability through active participation in observability, monitoring, alerting and proactive incident management.
• Facilitate knowledge transfer, document technical decisions, and coach colleagues to uplift overall team capability and support sustainable service ownership.

• Strong commercial experience as a full‑stack or back‑end software developer, primarily utilising Ruby on Rails within high‑volume digital environments.
• Proven proficiency in building accessible, component‑based user interfaces with React.js, HTML5 and CSS
  3.
• Demonstrable track record of delivering secure, scalable digital services within large‑scale public sector or complex enterprise organisations.
• Deep practical understanding of the GDS Service Standard, the Technology Code of Practice and secure‑by‑design principles.
• Extensive experience operating in Agile delivery environments (Scrum/Kanban) and working seamlessly within blended client‑supplier teams.
• Strong expertise in automated testing methodologies, including TDD/BDD, unit, integration and contract testing.
• Familiarity with Dev Ops culture, including Git version control, Docker and CI/CD pipeline automation.
• Eligibility for Baseline Personnel Security Standard (BPSS) clearance, with readiness to obtain Security Check (SC) clearance for production access.
• Experience contributing to digital services that have successfully passed GDS (or equivalent) service assessments at Alpha, Private Beta and Public Beta phases.
• While the primary focus is Ruby on Rails/React, an awareness of or willingness to engage with other core stack technologies (such as Java Spring Boot microservices or AWS Serverless using Lambda/Node.js) is highly advantageous.
• Previous experience integrating cross‑government platforms such as  One Login,  Notify or  Pay.
• Familiarity with legacy system modernisation and safe migration pathways.

• Databases: Postgre
  
  SQL, MySQL or similar relational database systems
• Testing: TDD/BDD, unit/integration testing frameworks (e.g., RSpec, Jest, Mocha)
• Tooling & Dev Ops: Git, Docker, CI/CD pipelines (Jenkins, Git Hub Actions), Infrastructure as Code concepts

The organisation is one of the UK government's largest digital operators, handling millions of customer transactions annually, the vast majority of which are processed digitally. The successful candidate…