Backend Software Developer jobs in Westminster

Software Engineer (Backend / Full‑Stack) Overview We're looking for a Software Engineer to join a team responsible for running and evolving an existing production platform. The role is hands‑on and practical, combining work on a legacy C#/.NET backend with ongoing development of a modern, cloud‑nati

Role: Software Developer (C++) – Up to £200,000 + Bonus + Package Salary: Up to £200,000 + Bonus + Package Location: London (Hybrid Working) Skills: C++ as a main language This firm is an elite tech firm with exceptionally high standards that has previously set technology world records . They are ma

Role: Software Developer (C++) – Up to £120,000 + Bonus + Package Salary: Up to £120,000 + Bonus + Package Location: London (Hybrid Working) Skills: C++ as a main language This firm is an elite tech firm with exceptionally high standards that has previously set world records in the technology space

About Noon Noon's mission is to radically change the way people learn, with a primary focus on the Middle East, where the company has its roots and where the need and urgency to improve education are highest. We have taught over 12 million students successfully with our remote learning products. Our

Hawksworth UK are representing a respected European Investment Bank to recruit a ‘Pricing Services and Risk Viewer UI Developer. This is a Permanent opportunity paying up to £120,000 base salary Bonus Package. Looking at a level of Vice President. Working in a Risk FX IT Team. This is a Senior Softw

The Role As we build on our success and expand into new markets, we are looking for passionate and talented Software Developers to help us to keep our customers happy by building and improving highly concurrent event driven architectures, working with amazing technologists across multiple products i

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across fo

About Inspire ATA & Detego Global: Inspire ATA are a flexi-job provider, so you will be employed by Inspire ATA and placed with Detego Global for your apprenticeship. Detego Global are the creators of the Detego® Unified Forensics Platform, an end-to-end suite of modular digital forensics tools

Crew à la Mode

Company Description Established in 2009, Crew à la Mode is an apparel and lifestyle agency, supplying luxury performance clothing and lifestyle solutions for super yachts, private aviation, hotels, villas and private residences globally. Based in our London Head Office, our project management team m

Senior Software Developer | £100,000 - £120,000 We're working with a high-frequency systematic trading powerhouse on this exciting opportunity. We are looking for a heavy-hitting C# specialist to architect and build the next generation of greenfield trading and research systems that power real-world

Avantra is looking for an energetic, self motivated, autonomous Senior Software Developer. We’re looking for someone who has a flair and passion for technology, who is able to push boundaries and suggest ideas to further improve processes to take the Avantra product to the next-level. We need someon

Ridge & Partners LLP

€33,000 - €50,000 /year

Requirements Must have: - Proven experience as a full-stack developer with a strong understanding of core business systems and processes - Demonstrated experience in leading and supporting IT change and implementation projects - Ability to conduct thorough analysis, assess current states, perform ga

Join Zepz: Breaking Down Borders, Together Our Meaningful Mission At Zepz, we're all about breaking down barriers for our customers and our teammates. Our purpose is deeply personal, we provide a lifeline and deliver opportunities to cross-border communities that need it most through cutting edge fi

Hays Specialist Recruitment Limited

Software Engineer - Active SC, Java, Microservices Up to £550 per day (Inside IR35) London / Remote 6 months My client is an instantly recognisable consultancy who require a strong Software Engineer with Active Security Clearance (SC) and with deep expertise in Java (Spring Boot) to join a large-sca

Software Engineer - Active SC, Java, Microservices Up to £550 per day (Inside IR35) London / Remote 6 months My client is an instantly recognisable consultancy who require a strong Software Engineer with Active Security Clearance (SC) and with deep expertise in Java (Spring Boot) to join a large-sca

Role: Java Backend Developer Location: London, UK Permanent Full time employment SC Cleared/SC Eligible Job Summary: As a Specialist II in Backend Development, you will leverage your expertise in Java 17/21 and Java EE library migrations to enhance and upgrade middleware systems. Your role will invo

Backend Software Engineer / Developer (Kotlin Java Spring Boot) London / WFH to £80k Are you a backend focused technologist with real-time financial systems experience? You could be progressing your career as a Backend Software Engineer at a highly successful financial software house whose award win

At Oxford Instruments, Materials Analysis we are looking for a Senior Software Developer, with experience in C#. In this role, you will also be responsible for a small team of developers. At Oxford Instruments, Materials Analysis, you’ll be creating the high‑performance software that powers groundbr

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network The next step is to speak to Jack. Job Title: Backend Software Engineer (£80k) Salary: Up to £80k Company Description: InTouchNow.ai - Award-winning h

Lead Full Stack Software Developer | £80,000 - £100,000 We're working with a fast-growing UK SaaS technology company building data-driven digital products on this exciting opportunity. This is a high-impact, hands-on leadership role where you will shape the next generation of customer-facing platfor