senior mainframe developer jobs in Leeds, West Yorkshire

You will play a key role in supporting and enhancing legacy systems critical to banking operations. The ideal candidate will have strong technical expertise in Assembler and related mainframe technologies, combined with solid experience in high-volume, regulated environments.

Ideas | People | Trust We’re BDO. An accountancy and business advisory firm, providing the advice and solutions entrepreneurial organisations need to navigate today’s changing world. We work with the companies that are Britain’s economic engine – ambitious, entrepreneurially-spirited and high‑growth businesses that fuel the economy – and directly advise the owners and management teams leading...

You will need to either hold current BPSS clearance or have the ability to pass it, and be eligible for SC clearance. The successful Senior Java Developer will possess proven skills working with the following – - Java 21 (or later) - Test Driven Development (TDD) and Behaviour Driven Development (BDD)

Job Description Are you an experienced .Net (C#) Developer, looking to take on a Senior Software Engineering role in a growing SaaS product company? Recent investment means we are scaling & growing our Software Engineering & product teams - we are keen to add a Senior Engineer into this, with accomplished skills in the .Net platform (C#, ASP.net) & Angular framework. So, if you’d like to join...

Ideas People Trust We’re BDO. An accountancy and business advisory firm, providing the advice and solutions entrepreneurial organisations need to navigate today’s changing world. We work with the companies that are Britain’s economic engine – ambitious, entrepreneurially-spirited and high growth businesses that fuel the economy – and directly advise the owners and management teams leading them....

Job Description Senior Java Developer - Leeds City Centre (Hybrid) Up to £60,000 | 4 Days in Office, Friday WFH | AI & Machine Learning I'm recruiting for a forward-thinking tech company based in Leeds City Centre that's transforming how retailers harness AI and machine learning to boost profitability and stay competitive in a rapidly evolving market. They're looking for an experienced Senior...

Senior Backend Developer Location: Hybrid (Leeds office 2 days/week) + Remote About the Role: Join a values-driven digital agency where your work really makes a difference. You'll be developing high-traffic, performance-critical backend systems for organisations with impact-from cultural institutions to public-sector bodies. You'll work alongside front-end developers, designers and project...

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all...

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

Senior Golang Developers x 2 (React/AWS) - Remote - New Roles! A leading organisation in the Gloucestershire area requires a number of Senior Golang Developers to join its growing team. Suitable candidates will have strong Golang experience coupled with both React and AWS. in summarym the successful candidates will have the following: - Strong Golang experience - Proficiency in React and...

Senior .NET Developer – Manchester (Hybrid Remote) - £60k .NET Core & Azure DevOps Modernisation | 2pdw in office | Flexible Culture | Agile Scrum Ada Meher is partnered on a search with a leading FinTech business with offices on Deansgate as they recruit an experienced Senior .NET Developer to join them as they undergo a modernisation project from a legacy monolith to cloud-based microservice...

Senior .NET Developer – Manchester (Hybrid Remote) - £60k If you think you are the right match for the following opportunity, apply after reading the complete description. .NET Core & Azure DevOps Modernisation | 2pdw in office | Flexible Culture | Agile Scrum Ada Meher is partnered on a search with a leading FinTech business with offices on Deansgate as they recruit an experienced Senior .NET...

Senior Golang Developers x 2 (React/AWS) - Remote - New Roles! Read all the information about this opportunity carefully, then use the application button below to send your CV and application. A leading organisation in the Gloucestershire area requires a number of Senior Golang Developers to join its growing team. Suitable candidates will have strong Golang experience coupled with both React...

We’re Hiring: Lead Developer - YDS Group (Yorkshire Dental Suite & Smile White) Leeds, UK (Office-Based) £70k DOE Full-time YDS Group, home to Yorkshire Dental Suite and Smile White is expanding fast, and we’re looking for a visionary Lead Developer to help shape the future of dental technology, automation, and AI-powered patient experience. If you’re excited by innovation, love solving...

Ready for a new challenge? Are you looking for work that makes a difference? Do you want to work with people who learn and grow together? If so, Opencast could be the place for you. We’re a growing tech consultancy that creates user-centred solutions for our clients in government and business. The role Software developers at Opencast care about building products right and combine their own...

You will implement the tools and frameworks, such as Laravel or other MVC frameworks, needed to meet project requirements and maintain a deep understanding of system performance and reliability.

You will integrate well with the wider development team, share in our values, and be part of something much bigger than any one individual.

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...

Senior React Native Developer - Outside of IR-35 A leading Digital Agency/ Consultancy in London is on the search for a React Native Freelancer to join the team on a 6 month interim, this is 100% Remote. Rate - Up to £500 per day (Outside of IR-35) 100% Remote Please do apply, if you are available within the next 2 weeks. Senior React Native Developer - Outside of IR-35

Senior Thingworx Developer Can be based anywhere in the UK - £54,000 + excellent benefits My client is growing their PLM development team and looking for an experienced Thingworx Developer to design and enhance digital tools that connect engineering, data, and manufacturing across their business. You’ll: - Develop dashboards, interfaces, and database integrations - Build and support RESTful /...

Job Description Ideas | People | Trust We’re BDO. An accountancy and business advisory firm, providing the advice and solutions entrepreneurial organisations need to navigate today’s changing world. We work with the companies that are Britain’s economic engine – ambitious, entrepreneurially-spirited and high‑growth businesses that fuel the economy – and directly advise the owners and management...