senior mainframe developer jobs in Preston, Lancashire

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 Full-Stack Web Developer | Legal EdTech | Remote Join a leading EdTech provider delivering innovative online learning as they embark on a major transformation. As a Senior Full-Stack Web Developer, you'll design, build, and modernise scalable web applications that power our learning management systems. You'll work across ASP.NET Core, React, C#, JavaScript, and Azure. What you'll do: -...

Senior Salesforce Developer - Service Cloud Location: London : (Hybrid: 2 days office-based, 3 days remote) Right to Work: Candidates must have the right to work in the UK without visa restrictions (no sponsorship offered) Our client is looking for a Senior Salesforce Developer responsible for hands-on Salesforce development and platform optimisation. This role focuses on designing and...

Job Title: Mid-Senior Ruby on Rails Developer (Backend Focused) Location: Preston (5 days in office - possibility with some flexibility) Job Type: Full-time, 5 days a week They are a profitable and growing SaaS company in the workforce management space. Role Overview: Seeking an experienced Ruby on Rails Developer with a backend focus. You’ll work with Ruby on Rails (Rails 7) and PostgreSQL....

You will be at the forefront of their commercial strategy, from initial client engagement to closing deals. Why You Should Apply for the Business Development Manager Position:

You will directly influence the company's success by building strong client relationships and securing new contracts.

Senior Unity Engineer x5 - AAA Mobile Games Remote (UK or Europe based) | Japan HQ Studio | Full-time | Option to Relocate to Japan A Japan-headquartered AAA mobile game studio is expanding its team because of huge new funding and some very big upcoming releases that need to be worked on. With over 2 million daily players, they're building sophisticated, large-scale titles that combine...

You will play a crucial role in designing and implementing scalable, efficient integration solutions using a range of data formats and technologies, including XML, JSON, and CSV. As an expert in XML tooling, XSLT, and data transformation, you will be responsible for ensuring data accuracy, performing complex transformations, and supporting integration and migration processes.

You will be responsible for building scalable, high-performance Back End systems that power their banking platform.

Senior Python Developer - Python, Flask, SQL, AWS OB have partnered with a FinTech company, who are looking to bring on a Senior Python Developer to their highly skilled engineering team, where you'll have the opportunity to work closely with the CTO & Head of Engineering to have an impact from day one, and develop their systems. In this role, you'll design highly complex systems and...

Senior D365 CE Developer Home-based in the UK (no sponsorship can be offered) Must be eligible for SC Clearance Dynamics 365, Power Platform, CE/CRM, Javascript, AI This role is an opportunity join a leading Microsoft Solutions Partner specialising in D365, Digital Transformation, Power Platform, Azure, and AI. They are looking for a Dynamics 365 CE Developer to design, develop, and deliver...

Senior Software Developer - Java / Python with Delphi We're looking for an experienced Software Engineer (Java/Python) to join a high-profile government project focused on modernising and integrating complex systems within a secure environment. You'll work across backend development, integration and automation – with occasional support for legacy Delphi components as part of wider platform...

Senior Software Developer required by a successful software company with an international client base. The Senior Software Developer will be responsible for full stack development with C# and React as part of the ongoing evolution of the company's core SaaS product as they evolve a traditional monolith architecture towards a modular monolith. Key experience - Extensive C# experience - SQL...

Senior Full Stack Developer Contract type: Full time, permanent Salary: £DOE Reports to: Head of Product Engineering Direct reports: Yes (initially none, growing over time) Location: Remote-first with occasional travel to client sites or team meet-ups (typically quarterly) The successful candidate must hold British Citizenship, due to the requirement for Security Clearance. About...

Senior Python Developer – iGaming (RGS Integration) Location: Buenos Aires, Argentina Salary: negotiable, depending on experience Clear Edge has partnered with a leading iGaming provider to recruit a Senior Python Developer. This is a chance to join a fast-growing company where you'll play a vital role integrating their Remote Gaming Server (RGS) with global casino platforms, ensuring secure,...

Senior Java EFX Platform Developer Location: Fully Remote (UK-based) Contract: 12 Months (likely extension) Industry: Investment Banking / FX E-Trading The Opportunity We're partnering with a leading investment bank on a major greenfield build - a brand-new, in-house FX E-Trading platform. This multi-year programme is at an early stage, offering the chance to help shape architecture,...

Senior Backend Developer Location: London - 1x a month Salary: Up to £95,000 (D.O.E) + benefits Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products have already generated millions in revenue, and now they're investing heavily in new innovations that will shape the sector for years to come. This is an exciting opportunity for...

You must have a previous background doing a Business Development Manager role for a 3PL warehousing environment. Key Responsibilities: - Be accountable for the development of a new business sales pipeline - Accountability for the coordination of strategic bid responses - Collaborate across divisions to drive sales

Senior Full Stack Developer – SaaS / Field Service Platform Salary: £60,000–£70,000 Location: Ireland or UK (preferably NI or Leeds area) Work pattern: Fully flexible hybrid (remote-friendly) Our client is a homegrown SaaS success story – a multi-award-winning software company developing a powerful field service management platform used by mobile workforces across the UK and Ireland. Their...

About Apexon: Apexon brings together distinct core competencies – in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, and our deep expertise in BFSI, healthcare, and life sciences – to help businesses capitalize on the unlimited opportunities digital offers. Our reputation is built on a comprehensive suite of engineering services, a...

Excellent opportunity for Front-End Developer looking to join a forward-thinking company producing award-winning software used by leading businesses across the globe. The successful Senior Frond Developer will need to have extensive commercial experience using ReactJS and should be comfortable working to their own initiative but also happy to mentor and offer guidance to the more junior members...