senior systems developer jobs in High Wycombe

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.

Job Description Senior Systems Engineering Consultant Bristol (Hybrid Working) Salary negotiable depending on experience Responsibilities: - Research and concept development of systems solutions. - Development and management of system requirements. - Development of abstract architectures to describe systems. - Design process engineering for hardware, software, and mixed technology systems. -...

Job Description A fantastic opportunity has arisen for a Senior Electronics Systems Engineer – Design Authority to join a specialist engineering team responsible for a safety-critical electronics subsystem supporting complex weapon system programmes. This role performs the duties of the Design Authority for a critical launch-related electronics system and reports into senior engineering...

This organisation is driven by a commitment to delivering world-class live sporting events while leaving a positive and lasting impact wherever events take place. Innovation has been central to its success for decades, with ongoing development of advanced technologies that influence industries far beyond the sporting arena. Every element seen on screen or experienced at a live event is made...

Job Description Senior System Engineer (AI/ML) | Permanent position - Location: Central London - Onsite: 5 days a week (South Kensington / Waterloo) - Salary: Up to £82,500 + Excellent Benefits - Available position: 2 positions Our client, an IT consulting and services provider, is seeking an experienced AI/ML Platform Engineer to support a transformative project within the UK education...

Job Description Competitive package with bonus, strong pension and flexible/remote options. Why you’ll love this role - High-impact consultancy work with progression - Work-life balance and technical development What you’ll be doing - Research and develop system concepts - Define/manage requirements and safety - Evaluate performance and integrity - Solve complex client problems What we want...

Lead the design of high-integrity PLC control systems at the heart of the UK’s most regulated and safety-critical environments. Senior/Lead PLC Control systems engineer 12 month contract – rates DOE Office-based with a Hybrid working scheme. Inside IR35 2 openings available in either Warrington, Cumbria and Stockton Role Description We are seeking an experienced PLC Control Systems...

Job Description Senior Systems Engineer – Satellite Communications Location: Hereford, Herefordshire (Hybrid – 3 days onsite) We’re partnered with a well-established UK engineering organisation operating at the forefront of satellite communications and RF systems. They are looking to appoint a Senior Systems Engineer to take ownership of complex products used in critical SatCom infrastructure...

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.

Role: Senior Mobile Applications Developer Clearance: SC required Location: Hybrid - up to 2 days onsite in High Wycombe (as required) Working Pattern: Full-time IR35: Inside IR35 Start Date: ASAP Contract End Date: 27 February 2026 Role Overview: We are looking for an experienced Senior Mobile Applications Developer to support the ongoing development of existing mobile applications. The role...

Job Description 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...

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,...

You will be a hands-on player-coach, owning outreach and qualification while also helping to design the BDR/SDR process, playbooks and best practices.

You will use modern tools (HubSpot, Clay, Instantly, Lemlist, etc.) and AI to build signal-based, multi-channel plays that generate qualified meetings and pipeline across both partners and direct prospects.

Job Description 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,...

Job Description Senior Economic Development Officer – Sectors & Clusters Location: Hybrid – 1–2 days in the office, with regular community engagement Pay Rate: Circa £30 per hour PAYE / £38 per hour Umbrella Contract: Interim Assignment We’re looking for an experienced and enthusiastic Senior Economic Development Officer to help drive growth and innovation across key sectors in a...

BRAND NEW ROLE - Senior Exec Level - Marine Geo Director of Business Development - Geotechnical Engineering & Geoscience Consulting About the Company Our client are a growing offshore geotechnical services and consulting unit, focused on delivering high-quality, technically robust solutions across the offshore, nearshore, and onshore environments. While offshore geotechnical investigations...

Department: Support Reports To: Application Software Support Manager Location: Remote Salary: £55k - £60k /yr (depending on experience) Contract Type: Permanent – Full Time Role Summary We're looking for an experienced full-stack .NET developer to join our team in a new and exciting role. This role will initially be supporting an array of clients, helping our support team to continue to...

🚀 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...

You will be working in a fast-paced environment to develop new website themes and add new features in a complex Next. js-based codebase (including a CMS). This is a great opportunity for the right person to take on a challenging and broad role. Homeflow is operating on a fully remote basis but occasional travel will be required for our company meet ups (bi-annually at most in the UK).

Job Description Up to £72,000 salary, car allowance, bonus, and a clear path for progression with two of the UK’s leading names in industrial services and hazardous waste management. This senior commercial role is ideal for someone ready to drive strategic growth across key sectors, including Civils, Demolition, and Utilities, while shaping long-term partnerships. Why you’ll love this role: -...