Ruby Software Engineer jobs in Leeds, West Yorkshire

Job Description Senior Full Stack Engineer Ruby on Rails, React Salary: Up to £120k DOE Location: Remote (UK only) A fast-growing series A tech company creating high-performance, data-driven products for a global audience, are needing a Senior Full Stack Engineer to lead their technical growth and build the future of their platform. If you’re a hands-on leader with a passion for scalable...

You will take the lead on your own projects as part of an inter-disciplinary engineering team, regularly liaising with mechanical and electronics engineers. This Principal Embedded Software Engineer role is a hands-on design position developing embedded software but it would be beneficial if you had previous experience supervising a team.

You will collaborate closely with cross-f...

Job Description A global, product-led technology company is hiring a Software Engineer to join its UK-based engineering team. The organisation builds and operates large-scale, consumer-facing platforms used at significant scale. Their systems combine cloud-native services, distributed architectures, and edge-based software, running in highly available, production-critical environments. The...

About The Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. Please read the following job description thoroughly to ensure you are the right fit for this role before applying. We use technology to create impactful, human-centred...

You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .

You will likely bring: Strong experience building backend services in C# .

You will be working closely with the Machine Learning team; however, you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will:

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior / Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality...

About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS. Are you ready for a challenge? We're looking for a dynamic software...

You will design and deploy robust frontend client, backend services, infrastructure automation, and cloud-native solutions by utilising your software development knowledge and your DevOps proficiency across AWS and GCP.

You should be comfortable with most of our core technologies:

ABOUT US Via an integrated capabilities, Transform, Tech & Talent, we deliver AI-powered solutions that help clients navigate complexity, accelerate change, and unlock competitive advantage. We enable organisations to adopt and scale artificial intelligence effectively, turning potential into performance. We are results-driven, combining cutting-edge AI technologies with exceptional talent to...

You will join a small, multidisciplinary team where the Embedded Software Engineer is the software owner. Expect visible impact, direct access to decision makers and the mandate to professionalise standards while keeping products moving. It is hands on mechatronics with purpose, balancing legacy stability and new platform development in a supportive, quality minded environment.

Key Responsibilities - Design, implement, and maintain software for nuclear systems, ensuring compliance with safety and regulatory standards. - Develop software for reactor control, monitoring systems, data acquisition, simulation, and predictive analytics. - Collaborate with multidisciplinary teams including nuclear engineers, electrical engineers, and safety specialists. - Apply best...

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

SOFTWARE ENGINEER REMOTE (OPTION TO RELLOCATE) £110K + EQUITY THE COMPANY This innovative AI startup is redefining safety and reliability in AI models. While competitors like GPT and DeepMind struggle with hallucinations and illegal content generation, this company adds safety control layers to ensure AI outputs are trustworthy and compliant. Working with high-profile, they're building AI...

You will mentor and guide your team, troubleshoot complex issues, and lead architectural discussions. Candidates should have 5+ years of experience in engineering and strong knowledge of Salesforce and Java technologies. The position offers a competitive salary ranging from £91,200 to £144,000 annually.

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping...

You will collaborate closely with cross-functional teams, including product management and UX/UI, to ensure that our software solutions meet business and customer needs.

You will be responsible for driving culture through your craft and be keen to take on line management responsibilities.

Senior Full Stack Engineer Ruby on Rails, React Salary: Up to £120k DOE Location: Remote (UK only) A fast-growing series A tech company creating high-performance, data-driven products for a global audience, are needing a Senior Full Stack Engineer to lead their technical growth and build the future of their platform. If you’re a hands-on leader with a passion for scalable systems and clean code,...