Ruby on Rails Developer jobs in Cardiff

You will provide strategic rail advice to external and internal clients, coordinate multi‑disciplinary projects, develop our rail‑focused service offering, plan and deliver tasks and projects, involve yourself in bidding for new work, and engage with clients and the WSP global community.

Experienced HV Design Engineer wanted to join a friendly and vibrant team, which is heavily involved in the integration of renewable generation onto the UK high-voltage transmission and distribution (HV T&D) network.This role will focus on the design and analysis of HV networks from 33kV to 132kV, supporting a wide range of renewable and infrastructure projects across the UK.Design HV electrical...

📍 Remote | Full-Time 👋 About Us Medify is a mission-driven EdTech company widening access to medicine and healthcare careers. Our platform supports thousands of learners preparing for high-stakes admissions exams, and our engineering team plays a critical role in delivering reliable, scalable, and high-quality learning experiences. Medify Engineering is a team of ten engineers across two...

Visum Recruitment has the pleasure of representing our client, an Engineering company who are on the lookout for a Business Development Manager to cover the UK. The ideal candidate will be overseeing all aspects of heat exchange enquiry generation and processing based in or around the Midlands area and will have sound knowledge of heat exchangers within varied industrial applications and work as...

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 in a leadership role providing a key senior interface to our clients, demonstrating our commitment to deliver their requirements, building strong relationships and acting as a trusted advisor. You'll work with the Rail and wider WSP leadership teams to ensure that your projects are planned and equipped to deliver.

You will ensure that the projects are delivered safely to a high-quality, in a timely manner, and compliant with budget.

You will be based in one of our modern, vibrant offices, situated in great city centre locations across the UK.

You will, on occasion, visit sites.

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.

The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security...

Job Description Work with AtkinsRéalis to make the world’s outlook brighter and healthier. You might know us for the great work we do across our wide variety of projects. We're proud to say it's thanks to our people's diversity of thought, expertise, and knowledge. And when you join us, you'll be a part of this genuinely collaborative environment, where everyone's voice is valued and treated...

MorsonEdge are looking to recruit a motivated Architect / Architectural Technologist to join a busy Cardiff studio for the architectural design of a Railway Station. This appointment will be on a 1 year contract basis, starting 1 Feb 2026. The business is an exciting and inspirational place to work, and they are a top 5 AJ 100 practice with a global depth of talent and reach. They passionately...

Job Description Job Title – Principal / Associate Structural Engineer Salary – £50,000 to £60,000 dependant on experience Location – Cardiff Due to strategic expansion our client has an immediate vacancy in their Cardiff office for an experienced Principal or Associate Structural Engineer with an ambition to oversee the technical delivery of a portfolio of projects allocated to them. In...

Hays Recruitment - Recruitment Consultant Location: Cardiff Salary: £27,000 to £30,000 per annum + uncapped commission Hours: Mon-Fri, 40 hours per week Hybrid: After your initial training period you can choose to take advantage of our hybrid working policy. Your new role as a Recruitment Consultant: Client Growth: Foster lasting relationships, building and nurturing relationships with...

Vacancy Overview: Are you looking for a career which is rewarding, at the cutting edge of project development and where you can really make a difference? Come and join our expanding Sizewell C (SZC) team and work on one of the most exciting and largest megaprojects in the UK, whilst being at the forefront of the UK’s climate change agenda and energy policy. Following on from the success of...

Job Description Please note: This role is for Pullman Rail which is a subsidiary of Transport for Wales Location- Canton, Cardiff Closing Date 23/01/2026 Equal Opportunities At Pullman Rail we value diversity. It makes us stronger, helps us understand our customers better, make better decisions and be more innovative.Everyone’s different and has their own perspective so we’re building a...

You will have excellent English language skills, writing fast and accurately even when under pressure to meet deadlines. - Drive, hard work, resilience, and a willingness to learn and improve your skills. - Travelling to Shoreditch EC2 (5 mins from Shoreditch High Street Rail Station, and 9 mins from Liverpool Street Station) doesn’t present you with any problems.

Principal EIA Consultant – ArcadisOpportunityArcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.We welcome experienced environmental professionals to join our Environmental Planning team as Principal Environmental Consultant, bringing broad EIA expertise to lead multidisciplinary projects, develop new business,...

Hays Recruitment - Recruitment Consultant Location: Cardiff Salary: £27,000 to £30,000 per annum + uncapped commission Hours: Mon-Fri, 40 hours per week Hybrid: After your initial training period you can choose to take advantage of our hybrid working policy. Your new role as a Recruitment Consultant: Client Growth: Foster lasting relationships, building and nurturing relationships with...

Job Title – Principal / Associate Structural Engineer Salary – £50,000 to £60,000 dependant on experience Location – Cardiff Due to strategic expansion our client has an immediate vacancy in their Cardiff office for an experienced Principal or Associate Structural Engineer with an ambition to oversee the technical delivery of a portfolio of projects allocated to them. In doing so the...

Please note: This role is for Pullman Rail which is a subsidiary of Transport for Wales Location- Canton, Cardiff Closing Date 23/01/2026 Equal Opportunities At Pullman Rail we value diversity. It makes us stronger, helps us understand our customers better, make better decisions and be more innovative.Everyone’s different and has their own perspective so we’re building a diverse team that...