senior mainframe developer jobs in Slough

Job Description 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...

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.

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...

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...

Job Description 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...

Job Description Senior Development Manager - Solar & BESS Projects London Office Location - Hybrid working pattern (3 days per week in office) Salary Depending on Candidate Experience: £85,000 - 90,000 + wider package Piper Maddox are partnered with an global industry leader in the renewable energy sector to grow their Project Development Capabilities in the UK. Our client has been at the...

Job Description 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...

Job Description 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...

You will design, build, and enhance HR solutions, working closely with HR and technical stakeholders in a fast-paced enterprise environment. Key Skills & Experience • Strong hands-on experience with ServiceNow HRSD • Exposure to CBS (Common Business Services) • ServiceNow scripting, workflows, Flow Designer, and Service Portal

Job Description 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...

Job Description Senior Python Quantitative Developer sought by a specialist and multi-award-winning Systematic Hedge Fund in a brand-new Core team designing and implementing a greenfield centralised Python/SQL/Linux/Docker platform for Backtesting, Pricing, Risk and Performance to be used across all Funds and Investment teams. Our client is an early Quantitative Investment Firm, managing around...

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...

Job Description 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...

You will identify opportunities using strong practice insights and data-led intelligence, drive cross-selling, execute client-centric BD activities, strengthen client and internal stakeholder relationships, and inform the overall BD strategy to drive profitable revenue growth.

Job Description OXBO are pleased to once again be working with an established international renewable energy IPP who are seeking a Senior Development Manager to join their growing London-based team. This company has a strong track record in utility-scale solar, BESS (battery energy storage) and hybrid renewable projects, with an expanding portfolio across the UK and Europe, including...

Job Description Senior Backend Developer – Node.js, TypeScript, Kafka - up to £70k Leading E-commerce Brand | Up to £70,000 | Hybrid (2 days/week in London) We’re partnering with a leading e-commerce business that’s scaling a modern, event-driven platform to support high transaction volumes and continued growth. They’re looking for a Senior Backend Developer to join a highly capable...

Job Description Senior Python Developer – Contract Location: Remote / Hybrid from London Contract Length: 12 months (extension likely) Day Rate: Competitive / Market-leading The Role We’re seeking a Senior Python Developer to work on a 12 month contract role to work on scalable, high-quality software using modern Python technologies. You’ll be part of an experienced engineering team...

🚀 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 Blue Legal are partnering with a leading law firm to recruit a Senior Business Development Executive on a 12-month fixed-term contract to join their London office. This is an exciting opportunity to join a dynamic BD team, working closely with senior BD Managers to support partners and associates across the EPI and Disputes practices. The role will involve collaboration with...