software systems engineer jobs in South Yorkshire

Control Systems Engineer Sheffield / South Yorkshire System Integrator / Process Control Permanent £50,000 to £65,000 Fantastic opportunity for an experienced Control Systems Engineer to join a leading South Yorkshire-based system integrator! This is a permanent role offering excellent career progression, exposure to diverse projects within process control and the chance to work alongside highly...

You will lead technical development, shape product innovation, and work closely with customers and internal teams to create world-class cooling solutions.

Job Description SCX is a UK-based engineering business with a reputation for innovation, precision, and delivery in complex mechanical handling and kinetic architecture systems. With a portfolio spanning world-class projects in Defence, Aerospace, Nuclear, Sports & Entertainment, and Infrastructure sectors, SCX continues to invest in its people, processes, and operational capability to meet...

Job Description Position: Embedded Software Engineer Location: Barnsley (Hybrid – Work from Home Options Available) Salary: Up to £50,000 The Opportunity We’re excited to be recruiting an Embedded Software Engineer to join a forward-thinking engineering team developing advanced controller solutions. You’ll be joining a well-established R&D organisation with over 25 years of success...

We are seeking a proactive system engineer to design, implement, and maintain robust organizational IT infrastructure. Key responsibilities include architecting scalable hardware and software solutions, managing virtualization platforms, and overseeing major system upgrades. The role requires proven expertise in networking principles (TCP/IP, DNS) and enterprise-level operating systems....

We are looking for an experienced Big Data Engineer passionate about building and scaling high-throughput, real-time data processing systems. This critical role centers on leveraging distributed computing frameworks, such as the Spark or Hadoop ecosystems, to manage massive, rapidly growing datasets. Key duties involve designing streaming ingestion pipelines, ensuring low-latency data delivery,...

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# .

Software Engineer Document Management & Workflow Systems (Contract) 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 support a regulated banking client on their Document Management & Workflow platforms . This role is heavily focused on the...

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...

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 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:

You should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.

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...

You should be comfortable with most of our core technologies:

We are seeking a highly motivated electrical engineer to drive the design and implementation of complex electrical systems. This role involves developing detailed schematics, managing PCB layouts, and ensuring strict compliance with relevant industry standards and safety regulations. The ideal candidate will conduct thorough testing, fault analysis, and comprehensive documentation to support the...

Role Overview We are seeking a Java Software Engineer to join a small, technically rigorous founding team building complex, data-intensive engineering systems. The role is remote-first, with periodic in-person collaboration in Oxford or San Francisco. The position involves close collaboration with the Founding Engineer on backend infrastructure, internal platforms, and system architecture. In...

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...

Control Systems Engineer Sheffield / South Yorkshire System Integrator / Process Control Permanent £50,000 to £65,000 Fantastic opportunity for an experienced Control Systems Engineer to join a leading South Yorkshire-based system integrator! This is a permanent role offering excellent career progression, exposure to diverse projects within process control and the chance to work alongside...

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 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# .