senior mainframe developer jobs in Doncaster

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 forward-thinking local...

🚀 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...

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...

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.

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).

We’re Cuva Health, a UK healthcare start-up on a mission to make access to treatments simpler, safer, and more convenient. Our digital platform is built with React.js & Nuxt.js, and we’re looking for a Full-Stack Developer to help us complete our initial project, deliver new features, optimise performance, and scale our platform as we grow. What you’ll do - Develop and extend our React.js &...

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,...

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...

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...

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...

Company: PEN Group Role: Business Development Manager Salary: 40k-50k per annum Hours: Full Time- Onsite, Monday to Friday, 9am-5pm Role Overview The Business Development Manager (BDM) will play a key role in driving organizational growth through student recruitment, partner engagement, and market expansion. This position focuses on building and managing relationships with recruitment...

The Beauté Group is growing fast and we’re now looking for a commercially driven BDM to take ownership of new business sales for our aesthetic device portfolio, including INDIBA distribution and Lumi SKN devices. This role is not for someone who needs all of their leads handed to them. It is for someone who knows how to open doors, build relationships, and close high-ticket sales in the...

About Us Emérique & Partners is a fast-growing, award-winning recruitment firm, recognized for its deep expertise within Financial Services. We operate across highly specialized niches including Banking, Insurance & Asset Management through niche recruitments: Actuarial Science, Quantitative Finance, Risk management, Compliance, Audit and Risk. Since our creation, we have built a strong...

You will be responsible for identifying and managing new business opportunities with Tier 1 contractors, water utilities, and engineering firms, ensuring a robust pipeline for our innovative solutions.

You will move beyond simple lead generation, managing the entire journey from initial outreach to proposal support and closing contracts with key infrastructure players.

You will be responsible for identifying, developing, and negotiating new strategic partnerships for Seopa’s comparison solutions portfolio. While insurance comparison is a core focus, experience in other comparison or switching verticals — such as energy, broadband, mobile, current accounts, or credit cards — is advantageous.

About us Gradient Sports is an angel-backed sports analytics company focused on global football (soccer). Our mission is to be the authority on player performance by providing unparalleled insights and analysis that empower clubs, broadcasters, and fans to make informed decisions and elevate the global understanding of football. Gradient is at the forefront of the rapidly growing sports data...

ABOUT PINDROP PinDrop started with a deep love and passion for sport. Whether it’s participating or spectating, we are firm believers that sport has the ability to inspire emotion and excitement like nothing else. From F1 to football, underdogs to icons and Grand Slams to Majors, we have built relationships with many of the biggest teams, athletes and events across World sport. We are a...

New Vision Display (NVD), a global manufacturer of small to mid-sized touchscreen display components for some of the world’s leading brands, is hiring a full time Sales & Business Development Manager (BDM) to drive business growth across Europe. Supply chain members or end customer markets could be located in Europe or elsewhere. NVD’s expertise includes passive and active-matrix liquid crystal...

Business Development Manager – CRO (Europe-focused) We have recently partnered with a full-service Contract Research Organisation that is looking to appoint a Director of Business Development to play a key role in driving its next phase of growth. This is a high-impact opportunity for a commercially driven BD professional who wants to step into a visible, strategic role with clear progression...

We're Cuva Health, a UK healthcare start-up on a mission to make access to treatments simpler, safer, and more convenient. Our digital platform is built with React.js & Nuxt.js, and we're looking for a Full-Stack Developer to help us complete our initial project, deliver new features, optimise performance, and scale our platform as we grow. What you'll do - Develop and extend our React.js &...