senior mainframe developer jobs in Southampton

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.

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 /...

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 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,...

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...

We are looking for a skilled Senior Java Developer with hands-on experience in modern Java frameworks, cloud technologies, and containerized environments. The ideal candidate will be responsible for designing, developing, and maintaining scalable applications leveraging Java 17+, Spring Boot, Docker, and AWS. Key Responsibilities: - Design, develop, and maintain robust backend services using...

You will be responsible for the end-to-end design, development, and delivery of a critical, high-scale digital service. Leveraging your expertise across the full technology stack, you will build robust solutions that meet stringent standards for security, performance, and reliability.

You will have the opportunity to work on various modern web applications across a variety of platforms focusing on the backend. Should you choose, this role will allow you to expand your leadership capabilities as you progress in the company. The team tend to go into the Oxford office once a month.

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: -...

Job Description Your new company Join a purpose-driven organisation at the heart of a thriving community, where technology is being harnessed to transform lives. This values-led public sector organisation is embarking on a bold digital transformation journey, with a clear mission to deliver outstanding services to end-users through innovation and excellence. With a strong commitment to social...

💻 Senior PHP Developer (Fareham, Hampshire) Up to £60,000 + 10% bonus + amazing benefits Our partner a multi award-winning software company based out of beautiful offices in Fareham- creators of leading consumer protection products trusted by millions of users worldwide. 🧩 The Role As a Senior PHP Developer, you’ll play a key part in building and improving the systems that power their...

Senior Sitecore Developer Remote (UK based) £60,000-£80,000 This is an opportunity to join a major international consultancy and be a key part of their Sitecore team. They are the go-to business in their sector and operate across the globe with some incredible clients. They need an experienced Sitecore developer with exstensive consultancy/agency experience to slot into their team and get...

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...

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...

Senior Business Development Representative Cyber Risk, GRC, Cyber Security £45,000–£60,000 base + commission UK | Remote-first We’re working with a high-growth SaaS client delivering cutting-edge solutions to the cybersecurity industry. Off the back of strong momentum and inbound interest, they’re expanding their go-to-market team with a senior-level hire who can hit the ground running and...

My client is a global leading Digital Consultancy specialising in Cloud Adoption, Digital Architecture/Transformation & NextGen AI Solutions, with offices in London, Manchester, Newcastle and Glasgow, providing flexi working model (option of remote or hybrid with ad hoc client site travel). They are looking for a Senior Java Full Stack Engineer's (Jnr-Mid level) to join a rapidly growing team,...

🚀 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 Frontend Engineer – Up to 70k – Manchester/Remote – Automotive SaaS ECOM have teamed up with a tech company that build products for the automotive industry in a truly unique way, and they are looking for a Senior Frontend Engineer to craft stunning user experiences and bring a higher level of engineering practises to an already highly performing team. If you're passionate about...

Senior Development Manager – Partnerships £85,000 + Car/Car Allowance + Bonus Bromsgrove, Byfleet or Ringwood frequent travel expected to Ringwood and site location (Either Office) I’m pleased to be recruiting for a Senior Development Manager (Affordable Housing) to join the Partnerships team at Churchill Living, a respected and fast-growing developer delivering high-quality affordable and...