Ruby Software Engineer jobs in West Sussex

You will be designing, testing, supporting, and delivering software running on robust hardware.

Sanderson are working with a leading financial services organisation that puts customers at the centre of its business. The company is going through a period of impressive growth across their technology team, creating opportunity to work on challenging projects and contribute to the development of its digital platforms. Candidates should take the time to read all the elements of this job advert...

Job Description A growing engineering organisation at the forefront of advanced manufacturing is looking for a Software Engineer whose primary focus will be the development of in-house software tools and their integration with manufacturing hardware and equipment. The role supports automation, data capture, and continuous improvement across production operations. Based in Crawley, this is a...

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.

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 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 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.

You will have a proven ability managing technical delivery and projects with software and hardware content.

You will be respons...

You will get to work on many exciting projects both existing and greenfield. Highly challenging role that will get your brain buzzing in a good way daily. Go was developed by Google and is currently one of the fastest growing programming languages in the world, used by companies such as Uber, Netflix, Dropbox and Google.

You will be working with a high-calibre team of young, talented professionals who share a like-minded mindset, delivering top-tier implementation and technical services to clients.

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:

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...

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 Software Engineer to join their growing engineering team. This is an exciting opportunity to work on scalable, resilient systems while contributing to real-world solutions in the financial technology space. Key...

You should be comfortable with most of our core technologies:

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...

Job Title: Full-Stack Developer (Asset & Carbon Monitoring Software) Salary: £55,000–£80,000 (depending on experience) Location: Fully remote (UK) You know that decarbonisation isn't a slogan - it's a systems problem. If the data's wrong, if the assets aren't understood, if the platform can't scale, then carbon reduction becomes guesswork. This role is for a Full-Stack Developer who wants...

You will work across cutting‑edge platforms including Payment Networks, Digital Banking, Emerging Payments, and highly scalable data and analytics environments built on Google Cloud Platform, Data Lakes and Power BI. This role involves modern engineering, integration, testing, and hands‑on development within a high‑impact digital landscape.

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...

A growing engineering organisation at the forefront of advanced manufacturing is looking for a Software Engineer whose primary focus will be the development of in-house software tools and their integration with manufacturing hardware and equipment. The role supports automation, data capture, and continuous improvement across production operations. Based in Crawley, this is a great opportunity to...