Senior Ruby Developer

Location: Hybrid – Travel required to London, Leeds, or Sheffield

Duration: Initial 3-Month Contract (with potential extension)

Clearance: Active SC Clearance or eligible to obtain SC Clearance

Start Date: Immediate / Short Notice Preferred

The Opportunity

We are seeking an experienced Senior Ruby Developer to join a high-profile government programme delivering critical digital services. This is an excellent opportunity for a hands-on developer who can rapidly integrate into an established agile team and make an immediate impact.

Working within a collaborative, multidisciplinary environment, you will play a key role in designing, developing, and enhancing scalable applications while championing engineering best practices and supporting junior team members.

Key Responsibilities

• Develop and maintain applications using Ruby on Rails
• Deliver high-quality, well-tested code following Test-Driven Development (TDD) principles
• Collaborate closely with product managers, designers, delivery managers, and other technical specialists
• Contribute to technical discussions, architecture decisions, and continuous improvement initiatives
• Participate in code reviews and help promote engineering excellence across the team
• Support and mentor other developers where required
• Ensure solutions align with government standards around security, accessibility, and service delivery
• Proven experience operating at Senior or Lead Developer level
• Strong commercial expertise with Ruby on Rails
• Solid background working within TDD and modern software engineering practices
• Previous experience delivering projects within the Public Sector or Government
• Good understanding of GDS standards, digital service delivery, accessibility, and security requirements
• Strong stakeholder engagement and communication skills
• Demonstrable experience working effectively within multidisciplinary agile teams
• Collaborative approach with the ability to quickly integrate into established delivery teams
• Experience working within large-scale government digital transformation programmes