senior mainframe developer jobs in Tyne and Wear

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.

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...

Senior Software Engineer/Staff Software Engineer (Hybrid) Location: Newcastle-upon-Tyne (2 days a week) Compensation: Up to £70k + Benefits Considering making an application for this job Check all the details in this job description, and then click on Apply. Are you ready to make a meaningful impact on a platform that handles over 200,000 transactions per minute and serves more than 1 million...

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...

You will be at the heart of creating and maintaining both internal and external-facing applications that push the envelope in terms of quality and performance. - Enhance and develop new functionalities in existing software products, making them even more robust, reliable, and scalable.

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 Software Engineer/Staff Software Engineer (Hybrid) Location: Newcastle-upon-Tyne (2 days a week) Compensation: Up to £70k + Benefits Are you ready to make a meaningful impact on a platform that handles over 200,000 transactions per minute and serves more than 1 million active users each month? Join our client's Product Engineering team and help design, build, and scale modern,...

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.

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,...

Role: Senior Business Development Manager Location: England, Remote Drive Enterprise Growth Across Key European Market Our Client is an established B2B technology firm providing TAA Compliant, enterprise-grade industrial IT components (Memory, Storage, Networking) to the world's largest corporations. Their focus is critical infrastructure across key verticals such as Transportation, Aerospace...

You will play a pivotal role in shaping our growth trajectory by identifying new business opportunities, cultivating strategic partnerships, and delivering tailored solutions that meet client needs.

You should be able to manage multiple priorities, generate leads, and maintain high levels of activity to meet targets.

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 Frontend Engineer Opportunity: Permanent Salary: Up to £95k Hybrid: Flexible UK-based Office Location: London, Manchester or Middlesbrough (Candidates must be within commutable distance to one of these office locations, as this role will require on-site attendance.) About the Opportunity My client, a fast-growing digital experience platform serving major retailers globally, is...

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 /...

Senior Sales Development Representative (SDR) – UK Remote - Corporate Gifting Are you an ambitious sales professional with experience selling into large corporations? Do you thrive on building relationships with Marketing Managers, Heads of People, and Executive Assistants? If so, this could be the perfect next step for you. We’re working with a thoughtful gifting company run by a lovely team...

About PostGrid: PostGrid is a global leader in enterprise SaaS platform for automated offline communications. Our robust APIs empower organizations to create, personalize, and dispatch physical mail letters, postcards, checks, and more to any address on the globe without ever touching an envelope, while ensuring clean address data. Operating at massive scale across multiple regions, we’re...

Company Description Robiquity is a technology consultancy specialising in low-code and AI solutions. Our clients realise measurable benefits in revenue, profitability and service, with multiples of return on investment, typically in-year. We enable future ways of working with AI and Automation, supporting our clients to completely rethink how they operate. As a technology agnostic solutions...

Senior .Net Developer Remote working- In office once a quarter 12 Month FTC - Highly likely conversion to a permanent opportunity I am looking for a Senior Software Developer / Dot Net developer to join a Insurance broking client of ours. This person will be focusing on integrating Applications within our clients core broking system (Acturis) As a senior, you’ll actively mentor and coach less...

**Senior Full Stack Developer with UI bias- making the world a better place! I'm working with a global software house making the world a better place! . This isn't just another dev role - it's a chance to impact real-world justice through technology. **Why Join?** • **Technical modernization project** - leading the migration from legacy MVC to React architecture • **Newly created role** -...

Hiring: Senior Laravel Developer (Remote, Full-Time) Paying up to £55,000 Small but mighty remote engineering team (currently 6 strong) is growing — and they're looking for a Senior Laravel Developer to take real ownership of core product development. This isn't just another dev job — you'll be working on meaningful eCommerce challenges, helping shape the architecture, features, and future of...