Freelance Software Engineer jobs in Wales

Manufacturing Systems Software Engineer (OT / Smart Factory) Wrexham MonThurs 08:00 17:15 | Fri 08:00 16:15 £35,000 £40,000 Permanent A leading manufacturing and automation company in Wrexham is looking for a Manufacturing Systems Software Engineer to join their automation team. The business designs and builds advanced production lines and uses robotics, automation and smart factory technology...

Based in North Wales, join a leading European manufacturing organisation renowned for innovative technologies and award-winning operations. As our Software Engineer, you will support and develop OT applications, integrate automation systems, and play a key role in driving smart factory and Industry 4.0 digital transformation initiatives. BASIC SALARY: xujxxms £35,000 - £40,000 BENEFITS: A...

Software Engineer Document Management & Workflow Systems (Contract) Any additional information you require for this job can be found in the below text Make sure to read thoroughly, then apply. Details - Initial 6-month contract with extension - Fully remote (EU time zones) - Start: End of February / early March - Outside IR35 We are looking for an experienced Software Engineer contractor to...

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.

At Orange Logic, we’ve been solving complex content challenges for over two decades—driven by innovation, curiosity, and a passion for impact, our intelligent Digital Asset Management (DAM) system, Orange Logic Platform, empowers organizations across industries to manage, access, and leverage their digital assets more effectively. We’re not just building powerful software—we’re building a team of...

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.

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...

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...

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 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:

Job Description Title: Senior Software Developer Salary: Up to £70,000 D.O.E Location: Bristol (Hybrid) I'm supporting a rapidly scaling Bristol-based tech company that's building cutting-edge software for IoT devices, helping create safer, healthier, more connected homes. With around 90% of their work focused on the social housing sector, this is a genuine tech-for-good opportunity where the...

Job Description An innovative and leading tech company based in the Cheshire area is looking for an Embedded Software Engineer. Were looking for an experienced engineer thats comfortable working down at bare metal as well as through operating systems. Youll be joining a company that offers their employees a strong work life balance, challenging projects and overall, a strong remuneration...

You will also be responsible for demonstrating how the tools should be used and monitoring their effectiveness.

You will be able to demonstrate experience and knowledge in the following areas: - Strong proficiency in software programming in C++ - A proven record in delivering software product on complex systems - Be able to demonstrate experience and knowledge of all aspects of the Software Development Lifecycle especially software requirements and design

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...

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...

Manufacturing Systems Software Engineer (OT / Smart Factory) Wrexham MonThurs 08:00 17:15 | Fri 08:00 16:15 £35,000 £40,000 Permanent A leading manufacturing and automation company in Wrexham is looking for a Manufacturing Systems Software Engineer to join their automation team. The business designs and builds advanced production lines and uses robotics, automation and smart factory technology to...

Job Description Manufacturing Systems Software Engineer (OT / Smart Factory) Wrexham MonThurs 08:00 17:15 | Fri 08:00 16:15 £35,000 £40,000 Permanent A leading manufacturing and automation company in Wrexham is looking for a Manufacturing Systems Software Engineer to join their automation team. The business designs and builds advanced production lines and uses robotics, automation and smart...

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...