senior mainframe developer jobs in London

Mainframe Developer With Cics Webservices Job Description Role Overview Role / Job Title: Mainframe Developer with CICS Webservices Work Location: London Mode of Working: Hybrid Office Requirement (if hybrid): 2 3 days a week Key Skills Required Mainframes CICS Webservices Required Skills Experience working in ZOS Connect EE and DB2 REST, with extensive knowledge in CICS...

Job Title: COBOL Developer Location: London, Glasgow, or Newcastle Working Model: 2 days onsite Contract: Contract role Overview We are looking for experienced COBOL Developers with strong hands-on expertise in FIS Systematics to support and enhance core banking platforms. This is a delivery-focused role within a regulated financial services environment, working closely with technical and...

Senior C++ Developer / Software Engineer (Linux SQL C++17) London / WFH to £110k Global-leading FinTech is seeking a Senior C++ Developer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer in the field of cross-asset securities and derivatives post-trade processing technology, and have created...

Pricing Services and Risk Viewer Senior Developer - Location: London - 3 days a week onsite - Job Type: Full-time - Salary: Competitive A new exciting permanent, Vice President level, Pricing Services & Risk Viewer Senior Developer to join an exciting growing GIT - CMI - Risk FX IT department with a global leading internation bank. This senior software development position requires a candidate...

You will be able to use your knowledge and contacts to close business within several retail markets including, construction, property, rail, manufacturing etc - Real flexibility - based in the City, but with the autonomy to spend your time where you'll have the most impact.

Job Description Turn your back on dull statutory audit assignments and take your audit skills global, into a truly rewarding and challenging new sector, where your work is critical to the success of NGO development projects. Our partner is providing essential audit services to a number of large institutions around the world, this specialist team works closely with global clients such as The...

A leading IT services company in Greater London is seeking an experienced technician for a contract role in Mainframe Networking. Responsibilities include configuration and administration of IBM z/OS mainframe network software, technical support for networking issues, and performance monitoring. The ideal candidate is well-organized, a strong communicator with excellent English skills, and...

We are partnering with one of London’s most selective and highest-performing quantitative investment funds to appoint a Senior Quant Developer to their core systematic trading group. This is a confidential mandate for a team renowned for world-class engineering standards, scientific rigour, and a culture built around high impact and low ego. The successful candidate will work at the intersection...

Job Description Senior Business Development Manager (Projects) London | Flexible working | UK travel ISS is a global leader in workplace experience and facility management, delivering high-quality project solutions across the UK & Ireland. We are seeking a Senior Business Development Manager (Projects) to drive growth by selling smaller (sub-£1m) projects into our existing client base and...

You will develop and consolidate systems, write software, guide a team of developers, and take ownership of several critical platforms.

You will work closely with senior stakeholders including the CTO, COO, Head of Operations, and Project Management.

Job Description Senior Backend Developer – Node.js, TypeScript, Kafka - up to £70k Leading E-commerce Brand | Up to £70,000 | Hybrid (2 days/week in London) We’re partnering with a leading e-commerce business that’s scaling a modern, event-driven platform to support high transaction volumes and continued growth. They’re looking for a Senior Backend Developer to join a highly capable...

You will identify opportunities using strong practice insights and data-led intelligence, drive cross-selling, execute client-centric BD activities, strengthen client and internal stakeholder relationships, and inform the overall BD strategy to drive profitable revenue growth.

Development Management Implementation (DMI) Senior Engineer Are you a dynamic, creative and delivery focused Highways Engineering / Transport Planning professional. Can you use your first-rate technical skills to assist Tetra Tech in a new and exciting relationship with Hertfordshire County Council (HCC)? If so, we would like to hear from you. HCC has recently awarded Tetra Tech in partnership...

Job Description We are partnering with one of London’s most selective and highest-performing quantitative investment funds to appoint a Senior Quant Developer to their core systematic trading group. This is a confidential mandate for a team renowned for world-class engineering standards, scientific rigour, and a culture built around high impact and low ego. The successful candidate will work at...

You will be an experienced BD professional (4–5+ years) with a background in professional services — ideally within a partnership environment. Experience in a Corporate practice area is highly desirable.

Job Description Business Development Senior Manager – Corporate / M&A We’re working with a top-tier global law firm to appoint a Business Development Senior Manager to support its market-leading Corporate / M&A practice in the UK. This is a strategic, high-impact role within a global BD function, working closely with partners and senior lawyers to drive growth across key clients, sectors and...

Job Description Senior Development Manager - Solar & BESS Projects London Office Location - Hybrid working pattern (3 days per week in office) Salary Depending on Candidate Experience: £85,000 - 90,000 + wider package Piper Maddox are partnered with an global industry leader in the renewable energy sector to grow their Project Development Capabilities in the UK. Our client has been at the...

You will develop and consolidate systems, write software, guide a team of developers, and take ownership of several critical platforms.

You will work closely with senior stakeholders including the CTO, COO, Head of Operations, and Project Management.

We are a small London startup with the ambition to change education with ML-powered tutoring. Our flagship product is a mobile application for teaching English to intermediate and advanced learners. We’re on the verge of solving one of the biggest challenges in education – making high-quality, personalised learning accessible to everyone. What was once technologically impossible is now within...

OXBO are pleased to once again be working with an established international renewable energy IPP who are seeking a Senior Development Manager to join their growing London-based team. This company has a strong track record in utility-scale solar, BESS (battery energy storage) and hybrid renewable projects , with an expanding portfolio across the UK and Europe, including operational assets....