Senior Software Developer (Ruby)

Job Description

About Scrumconnect Consulting

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 on-site

Job Summary

We are seeking an experienced Senior Ruby Developer to design, develop, enhance, and maintain high-quality web applications and Back End services using Ruby and Ruby on Rails. The successful candidate will work under general direction with substantial autonomy, contributing to solution design, software development, code quality, and mentoring junior team members in line with SFIA Level 4 responsibilities.

Key Responsibilities

• Design, develop, test, and maintain scalable Ruby and Ruby on Rails applications.
• Develop RESTful APIs and integrate with internal and third-party services.
• Write clean, maintainable, secure, and well-tested code following coding standards and best practices.
• Perform code reviews and provide constructive feedback to improve software quality.
• Troubleshoot, debug, and resolve complex application issues.
• Optimize application performance, scalability, and reliability.
• Collaborate with Product Owners, Business Analysts, QA Engineers, DevOps Engineers, and other developers throughout the software development life cycle.
• Contribute to application architecture, technical design discussions, and technology selection.
• Participate in Agile ceremonies including sprint planning, daily stand-ups, retrospectives, and backlog refinement.
• Mentor junior developers and share technical knowledge across the team.
• Support CI/CD pipelines and deployment activities.
• Ensure adherence to security, compliance, and software engineering best practices.

Required Skills & Experience
Technical Skills

• 5+ years of software development experience.
• Strong expertise in Ruby and Ruby on Rails.
• Experience with RESTful APIs and microservices architecture.
• Strong understanding of Object-Oriented Programming (OOP) principles and design patterns.
• Experience with PostgreSQL, MySQL, or similar relational databases.
• Knowledge of Redis, Sidekiq, or background job processing.
• Experience with Git and collaborative version control workflows.
• Familiarity with RSpec, Minitest, or other testing frameworks.
• Experience with Docker and containerized development.
• Understanding of CI/CD pipelines (GitHub Actions, Jenkins, GitLab CI, Azure DevOps, etc.).
• Knowledge of cloud platforms such as AWS, Azure, or Google Cloud Platform.
• Familiarity with Linux environments and application deployment.
• Understanding of secure coding practices and application security.

Desirable Skills

• Experience with GraphQL.
• Knowledge of Kubernetes.
• Experience with event-driven architecture and message queues (Kafka, RabbitMQ, SQS).
• Exposure to Front End technologies such as JavaScript, React, Vue.js, or Hotwire.
• Experience working in DevOps or Site Reliability Engineering (SRE) environments.

Soft Skills

• Strong analytical and problem-solving skills.
• Excellent communication and stakeholder management abilities.
• Ability to work independently with minimal supervision.
• Strong collaboration and teamwork skills.
• Ability to mentor and coach less experienced developers.
• Commitment to continuous learning and process improvement.

Our interview process

We keep things straightforward. Following an initial CV review, successful candidates will be invited to a short screening call with our recruitment team, followed by a two-stage process comprising a technical assessment and a values-based interview with the hiring team. We aim to move quickly and will keep you informed at every stage.

Equal Opportunities

Scrumconnect Consulting is an equal opportunities employer. We are committed to building a diverse and inclusive team and welcome applications from all backgrounds, regardless of age, disability, gender, ethnicity, religion, or sexual orientation.

How to Apply

Please submit your CV to see below or apply directly through this listing.