senior mainframe developer jobs in Sheffield

Job Description About job description: Join us in one of the largest global IAM transformation programmes as we modernise identity, authentication, authorization, and lifecycle management across the enterprise. We're looking for a Senior IAM Application Developer skilled in cloud-native API development, identity orchestration, Pub/Sub event processing, and Terraform automation. This role sits...

You will also mentor junior engineers and support the Lab Manager with project planning, test suite updates, and resource allocation. What you’ll be doing - Lead product development and validation testing on products, prototypes, and components, ensuring tests are robust, repeatable, and aligned to company requirements.

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 job description: Join us in one of the largest global IAM transformation programmes as we modernise identity, authentication, authorization, and lifecycle management across the enterprise. We're looking for a Senior IAM Application Developer skilled in cloud-native API development, identity orchestration, Pub/Sub event processing, and Terraform automation . This role sits at the heart...

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).

You will also mentor junior engineers and support the Lab Manager with project planning, test suite updates, and resource allocation. What you’ll be doing - Lead product development and validation testing on products, prototypes, and components, ensuring tests are robust, repeatable, and aligned to company requirements.

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 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...

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...

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 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.

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...

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 &...

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...

Job Description If you're looking for a career that will help you stand out, join HSBC, and fulfil your potential - whether you want a career that could take you to the top, or simply take you in an exciting new direction, HSBC offers opportunities, support and rewards that will take you further. HSBC is one of the largest banking and financial services organisations in the world, with...

You will support both your own territory and the wider commercial team to drive growth across product, local, regional, and national levels. With a strong focus on internal and external engagement, you will champion new initiatives, lead projects from ideation through to commercialisation, and play a key role in identifying and executing new market opportunities.

Business Development Representative – UK Our client is a Series A AI company building a proactive, pre-crime fraud and scam prevention platform used by leading banks and financial institutions. Their technology identifies and prevents scams before transactions take place, sitting alongside existing fraud solutions rather than replacing them. They're now looking for a UK-based BDR to drive...

Dynamics Developer | Tech Consultancy | SC Clearance Required | Up to £70,000 | Fully Remote MERITUS are working with a leading Tech consultancy looking for a Dynamics 365 / Power Platform Developer to join their Central Government / Defence Division. This opportunity is ideal for a senior-level Dynamics 365 and Power Platform professional who enjoys working on complex enterprise solutions,...

You will reach out to prospects through email, phone and social channels to introduce the company’s products and schedule meetings or demos for international education consultants. Your work helps build a strong sales pipeline and supports overall revenue growth. Day to day includes:

National Role | UK-wide Travel Sector: Consumer Trade | Industrial Woodworking | Construction & Decoration The Role We're looking for a strategic, commercially driven individual, with a strong track record in developing national accounts and unlocking new business opportunities in the Construction & Decoration sector / Wood production. This is a fantastic opportunity to join Our Client, a...