senior systems developer jobs in Horley, Surrey

Our client, an operational technology and digital transformation company, is recruiting for a Senior/Lead Protection & Control Systems Engineer to join their business in Staffordshire. Position Title: Senior/Lead Protection & Control Systems Engineer Position Type Permanent Start Date: ASAP Location: Remote from UK Contact: Ashish Rastogi | +44 151 808 1029 Job Description: - As part...

A leading defence technology company is looking for Senior Hardware Architects to join their team in Templecombe, Crawley. This role involves developing components for anti-submarine warfare systems and requires a collaborative approach. Candidates should have a degree in engineering and a minimum of five years of relevant experience. The position offers a hybrid work model, competitive benefits,...

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

You will shape how our engineers build, test, release, and monitor software, ensuring frictionless workflows while keeping ownership of business logic, test quality, and development practices firmly with the product engineering teams.

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

Senior Software Developer (Full Stack) Crawley - 4 Days a Week | #128188; Permanent A specialist engineering company that builds high-impact, enterprise platforms used in complex operational environments. They’re looking for a Senior Full Stack Developer to take a lead role in shaping and delivering a modern, microservice-based system. C# / .NET Core / ASP.NET Core Angular, TypeScript, JavaScript...

Job Title: Senior Business Development Manager – Sponsorship Sales (B2B Tech Events) Location: Remote (UK-based) with occasional team meet-ups Salary: £60,000 - £70,000 base DOE + uncapped commission (OTE £155k–£205k+) Job Type: Full-time, Permanent About Rela8 Group At Rela8 Group, we connect the world's leading tech vendors with senior IT, Security, and Data decision-makers through...

About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‐first, often highly complex software. Our engineers pair forward‐thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‐standing third‐party clients, we're scaling our own SaaS product—Spark...

Insight Global is seeking a dynamic Senior Business Development Manager to join a global growth team and assist in leading the expansion of our market research solutions across key industries and regions. Key aspects of this role include: Market & Opportunity Development - Identify, qualify, and develop new business opportunities aligned with the clients global services and value...

Senior Development Manager - Onshore Wind, Solar, Battery Storage Salary & Package - up to £80,000 DOE + annual bonus, car allowance, healthcare Remote Working Piper Maddox are partnering with a leader the UK renewable energy industry to hire a key addition to their project development function in 2026. This company are an IPP with a demonstrable track record in successful development,...

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

Senior Business Development Manager – Fleet Mobility Solutions Provider £50,000 basic - £55,000 basic + £25,000 OTE Uncapped + EV Company Car If you're ready to make an impact, this is the role that puts you in the driving seat. A competitive package, a premium company car, and the chance to join a private equity-backed business on a rapid growth trajectory. Expect pace, ambition, and the kind...

About The Role Apply now, read the job details by scrolling down Double check you have the necessary skills before sending an application. Right across infrastructure, theres a requirement to not only maintain, but also renew and reimagine. Whatever stage youre at in your career, with us youll have an opportunity to grow and develop. Delivering essential infrastructure services for life, while...

Position Title: Electrical Engineer – BESS Salary: £45K - £55K + bonus Location: United Kingdom Your New Employer You'll be joining a globally respected energy solutions provider at the forefront of utility-scale battery energy storage. With a strong track record in grid-connected projects and an international footprint, the business delivers full turnkey BESS solutions for some of the most...

You will support efforts to identify vulnerabilities, harden systems, and enforce security-by-design principles across real production environments.

You will be expected to think critically, document clearly, and act with a professional, security-first mindset.

You will focus on orchestrating process and quality transformation—analyzing current practices, diagnosing bottlenecks, and implementing robust, scalable solutions that radically improve reliability, efficiency, and the time-to-launch for new sites. Key Responsibilities

Job Description Job Title: Microsoft D365 BC Systems Manager Salary: £59,103 per annum, Band H, Level 3 - Inclusive of a Market Supplement Location: Scout Store, Lancing, West Sussex, BN15 8UG Contract Type: Permanent Working Hours: 35 - Hybrid working with two days a week in Lancing and as required. About the role We're looking for an experienced and practical Microsoft D365 Business...

SYSTEMS TEST & INTEGRATION ENGINEER – PERMANENT – CRAWLEY West Sussex My client is developing world-class flight simulators that are shaping the future of aviation training. Within these roles you will be delivering high-performance, real-time systems for the aerospace industry. Responsible for overseeing system integration, verification, and validation of advanced flight simulation systems....

Contract – 8 Months Inside IR35 Remote – UK Power Systems Consultant (EMT & RMS Studies) The consultant will support power system projects across multiple phases by delivering high-quality electrical studies and technical documentation. Key Responsibilities - Develop and validate EMT and RMS models for assets such as WTGs, PPCs, and STATCOMs. - Plan and execute design and Grid Code...

Location: Crawley, United KingdomThales people architect solutions that enable two-thirds of planes to take off and land safely. We create in-flight entertainment systems that engross 50 million fliers every year and we develop the avionics that control the world's largest commercial aircrafts. Our simulators train the next generation of pilots for fighter jets, transporters and search and rescue...