senior mainframe developer jobs in Egham

Senior Business Development Manager – Corporate Renewable Energy & Sustainability About Renewabl Renewabl is redefining how companies procure renewable energy. Our platform helps leading corporates and utilities buy and sell cost-effective renewable energy with real impact, and track their Carbon Free Energy (CFE) scores hourly. We help customers move beyond annual certificates to...

Senior React Developer required by a successful technology company whose office is in Staines. Hybrid working - 3 days per week in the office The successful Senior React Developer is likely to have a relevant degree and commercial experience in a similar role. The Senior Software Developer will join an experienced team developing modern interactive user interfaces using React with...

Job Description Development Management Implementation (DMI) Senior Engineer Are you a dynamic, creative and delivery focused Highways Engineering / Transport Planning professional. Can you use your first-rate technical skills to assist Tetra Tech in a new and exciting relationship with Hertfordshire County Council (HCC)? If so, we would like to hear from you. HCC has recently awarded Tetra...

We are a small London startup with the ambition to change education with ML-powered tutoring. Our flagship product is a mobile application for teaching English to intermediate and advanced learners. We’re on the verge of solving one of the biggest challenges in education – making high-quality, personalised learning accessible to everyone. What was once technologically impossible is now within...

Senior Business Development Manager (12-Month FTC) Are you a seasoned Business Development professional with a passion for driving growth in high-profile legal practices? This is an exciting opportunity to join a leading global law firm’s London office and play a pivotal role in shaping the BD strategy for its Finance, Restructuring, and Structured Finance teams—recognised as market leaders in...

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).

Senior Project Development Manager - Data Centers & Solar Development Development Company London - Hybrid Circular Resourcing are recruiting for a Senior Project Development Manager with experience across Utility Scale Solar / Battery Storage for an established Developer in the UK looking to increase their pipeline across various technologies. They have existing Solar / BESS projects within...

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: - Competitive...

Senior Business Development Manager 12‑Month Fixed‑Term Contract — London Hybrid & Competitive Salary An international law firm is seeking a Senior Business Development Manager to join its London office on a 12‑month FTC. This senior role will support several high‑profile transactional and advisory practice groups, all of which work on complex, cross‑border matters. The Role Working closely...

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 - Newly Created Role An exciting opportunity has arisen for a Senior BD Manager to join an elite US firm at a pivotal moment of growth and expansion. This newly created role will see you working as the right-hand person to the BD Director, playing a key role in shaping and delivering the firm’s strategic business development initiatives. You’ll work closely...

Senior Business Development Manager | New Verticals | Affiliate / Performance Salary to £70K + bonus. 3 days p/w in office (London) A highly profitable, performance-driven affiliate agency is hiring a Senior BDM to open up new verticals beyond gambling and iGaming. You’ll be given real autonomy to identify opportunity, win new business and turn early traction into scale. If you need structure,...

Senior Business Development Manager – Structured Cabling, Datacentre & Infrastructure Services London – City – Remote & Hybrid Working, 3 days office, 2 days home. Salary: - £55-85k + Commission + Bens (Multiple levels) Must have experiences of selling Datacentre/Structured Cabling and Infrastructure Managed Services. A global technology integrator with a long-established presence in...

Location: 1 day remote + 1 day on-site in London Contract: Freelance, approx. 3-month rolling project Reports to: Technical Lead Rate: £250 - £350 per day Start: ASAP Intro We’re looking for an experienced Senior Developer to join us on a short-term freelance basis, working directly on-site with our London-based clients two days a week. We’re looking for a self-motivated Senior Developer...

🚀 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...

Job Description Senior Business Development Manager Role - Private Sector - Selling IT Services & solutions, Agile Software Development Services - A global consultancy that works with large businesses, governments and institutions that matter. - Fast-growing business working with clients around the world. Customers are senior leaders (e.g. CEOs, Chief Digital Officers, Transformation Directors)...

Senior Salesforce Developer (Pathway to Technical Lead) Are you a Salesforce Developer who enjoys building high-quality solutions and is ready to take the next step in your career? We’re looking for a Senior Salesforce Developer to join our team, with a clear opportunity to progress into a Technical Lead role. You’ll remain hands-on in design and development while gradually taking on more...

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 Full Stack Developer | C# & React | Greenfield Trading Platform | London, Hybrid | Up to £120k + Bonus, Benefits ❗Note: This role does not provide Visa Sponsorship ❗ 💹 Our client is looking for a Senior Full Stack Developer with strong expertise in C# to join them in shaping the future of financial technology and redefining trading experiences for the market. They are a dynamic Trading...

You will have the opportunity to work on highly impactful products improving the lives of many.

You will be expected to be confident in a product focused environment and be able to work effectively in a small focused team. This is the right role for someone seeking fulfilling and rewarding place of work.