Ruby on Rails Developer jobs in Cardiff

You will be part of a small hybrid-working team focusing on building new services and maintaining existing services on company’s cloud platforms. You'll work closely with the dedicated Infrastructure Engineer who manages company’s AWS infrastructure.

Ruby on Rails Developer - Senior - £450p/d Inside IR35 - Remote Experience Requirements - Extensive experience with Ruby on Rails development. - Strong understanding of web application design and best practices. - Proven ability to deliver high-quality code and work collaboratively in a team environment. - Prior experience working to Government Digital Standards

Mid-Level Ruby on Rails Developer Location: Hybrid or Remote We’re partnered with clients that are looking to bring in Mid-Level Ruby on Rails Developers. What we’re looking for - 3+ years of experience with Ruby on Rails. - Strong knowledge of RESTful APIs and service-oriented architecture. - Familiarity with front-end technologies (JavaScript, React, or similar) is a plus. - Experience with...

Job Title: Junior Ruby Full Stack Engineer Location: UK - Remote Salary: £32,000.00 - £35,000.00 About The Goat Agency Goat is part of WPP Media (formerly GroupM), the world’s leading media investment company. Since 2015, we've been pioneers in influencer marketing, helping brands leverage the power of social media to achieve real, measurable results. Today, we stand as the global leader in...

Senior Software Engineer / Tech Lead £90,000-£120,000+ Benefits + Remote working A Senior Software Engineer / Tech Lead opportunity for an exciting product led SaaS business offering innovative AI and Robotics solutions to a global customer base. The business offer an exciting product and are growing rapidly. They promote autonomy and collaboration and value problem solving skills and the...

Senior Project Manager - Rail Infrastructure Projects (NEC4) Role Purpose: The Senior Project Manager will lead the successful delivery of complex rail infrastructure projects, ensuring they are completed safely, on time, within budget, and to the required quality standards. The role requires strong leadership, commercial acumen, and a deep understanding of the NEC4 suite of contracts , as...

Job Description Electrical Engineer -MEP Design Location: London Type: Full-Time - Permanent Sector: Rail / Infrastructure / Electrical / MEP Design Join a leading joint venture delivering MEPHFC systems for a major station build in West London. Seeking an experienced Electrical Engineer to support design and coordination of electrical services across rail and building environments. Key...

Job Description Senior Project Manager - Rail Infrastructure Projects (NEC4) Role Purpose: The Senior Project Manager will lead the successful delivery of complex rail infrastructure projects, ensuring they are completed safely, on time, within budget, and to the required quality standards. The role requires strong leadership, commercial acumen, and a deep understanding of the NEC4 suite of...

Senior Full Stack Developer Contract type: Full time, permanent Salary: £DOE Reports to: Head of Product Engineering Direct reports: Yes (initially none, growing over time) Location: Remote-first with occasional travel to client sites or team meet-ups (typically quarterly) The successful candidate must hold British Citizenship, due to the requirement for Security Clearance. About...

This is a remote role, preference being someone based in the North West of England and able to come to the South Manchester area sporadically for meetings etc…. This role would suit someone who has solid front AND back end development experience, our clients are agnostic on tech and background – more about personality and quality of experience. The Client: SaaS Platform with outstanding uptake...

Job Title: Product Engineer Location: Remote Salary: £72,000 – £110,000 + stock options I’m working with a fast-growing SaaS scale-up software organisation. They’re looking for a Principal Product Engineer who thrives in a collaborative, product-focused environment. You’ll be part of a cross-functional squad (PM, designer, engineers, data) and involved throughout the product lifecycle – from...

One of the regions leading Infrastructure Consultancies is looking to recruit an Assistant Quantity Surveyor to work on a large Rail framework in South Wales. THE COMPANY The client is one of the leading Consultancies in the region with a network of offices across the country as well as overseas. They work across all sectors both within Property and Infrastructure and are involved in some of the...

You will be working in one of these 2 locations: Belfast or Prestwick (Scotland), 3 to 4 days onsite. Key Responsibilities - Lead complex supplier development and recovery missions to safeguard delivery and quality - Drive continuous improvement roadmaps with strategic suppliers and their sub-tiers

You will have the opportunity do socially useful work that has meaning – to Arup, to your career, to our members and to the clients and communities we serve.

You will have the ability to confidently communicate complex problems and solutions to technical and non-technical audiences.

Role : Quality Test Engineer (Manual & Automation) Rate : 440 per day IR35 : Inside Working Practice : Remote Length : 6 Months This role offers a unique opportunity to leverage your experience in automation using Postman and other tools, while also playing a vital part in our manual testing requirements. We are particularly interested in candidates with experience migrating Cucumber (Ruby)...

Job Title: Expert Rater (AI/ML Code Evaluation) Location: UK Locations/No of Open Roles: UK Duration: 1 year, remote Work Mode: Standard local working hours (flexible part-time options) Job Description: Responsibilities: Model Quality Assessment: Evaluate the quality of AI model responses that include code, machine learning, AI, identifying errors, inefficiencies, and non-compliance with...

We’re looking for an Application Support Engineer to join a fast-paced tech environment where reliability, automation, and performance are everything. You’ll play a key role in maintaining and improving a complex application landscape that powers mission-critical services — ensuring uptime, scalability, and compliance at all times. This role suits someone who thrives in a mixed systems...

Senior Ruby on Rails Engineer Location: Hybrid or Remote We’re partnered with clients that are looking to bring in Senior Ruby on Rails Developers. What we’re looking for - 5+ years of experience with Ruby on Rails. - Strong knowledge of RESTful APIs and service-oriented architecture. - Cloud experience with AWS or GCP is an advantage. - Familiarity with front-end technologies (JavaScript,...

Senior Project Manager - Rail Infrastructure Projects (NEC4) Role Purpose: The Senior Project Manager will lead the successful delivery of complex rail infrastructure projects, ensuring they are completed safely, on time, within budget, and to the required quality standards. The role requires strong leadership, commercial acumen, and a deep understanding of the NEC4 suite of contracts, as well...

You will contribute to major UK and US projects, applying innovative, data-driven approaches and helping to shape the next generation of modelling through automation, artificial intelligence and machine learning. Key Responsibilities: - Develop, verify and optimise hydraulic models using InfoWorks ICM