backend software engineer jobs in City of London

Backend Software Engineer / Developer (Windows C / C++, C#) London to £70k FTC Remember to check your CV before applying Also, ensure you read through all the requirements related to this role. Are you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and...

Overview Do you have the following skills, experience and drive to succeed in this role Find out below. GSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. We are on an audacious journey to impact the health of 2.5 billion people over the next decade. Our R&D division is at the forefront of this mission, dedicated to the...

Our client are looking for a .Net Developer to join their innovative tech organisation, providing cutting-edge solutions to highly regulated industries such as Finance and Healthcare. You’ll be working as part of the backend team on the development and ongoing support of software applications for the internal systems and the businesses’ clients. Apply promptly! A high volume of applicants is...

Backend Software Engineer (AI) All potential candidates should read through the following details of this job with care before making an application. £750 - £800 per day 2 days onsite We're working with a global healthcare and AI research organisation that's pioneering the use of advanced Machine Learning to accelerate the discovery and delivery of life-changing treatments. Their vision is to...

Backend Software Engineer | Python | London, Hybrid | Up to £80k About the Company Albert Bow has partnered with a fast-growing data intelligence platform transforming how private market investors access and use information. Backed by one of Europe’s leading fund services providers, we’re building modern, scalable software for private capital professionals. About the Role You’ll join a small,...

You will work on a diverse range of challenges, from model-serving APIs and data pipelines to infrastructure for intelligent agents and automation frameworks.

You will collaborate closely with the CTO and engineering team to design, build, and scale production systems that integrate AI into real-world applications.

Senior Backend Software Engineer – Node.JS About the Opportunity An innovative, fast-growing technology company is searching for a Senior Backend Software Engineer to join its core engineering team. This organisation is building next-generation automation and intelligence solutions, and you will play a key role in developing the backend systems that power a high-impact platform used by...

Senior Backend Software Engineer – Node.JS Hit Apply below to send your application for consideration Ensure that your CV is up to date, and that you have read the job specs first. About the Opportunity An innovative, fast-growing technology company is searching for a Senior Backend Software Engineer to join its core engineering team. This organisation is building next-generation automation...

Backend Software Engineer Term: 6 Months Pay: £888 per day Inside IR35 Location: Kings Cross London Hybrid Our client see a world in which advanced applications of Machine Learning and AI will allow us to develop novel therapies to existing diseases and to quickly respond to emerging or changing diseases with personalized drugs, driving better outcomes at reduced cost with fewer side effects....

You will play a pivotal role in high-impact projects such as migrating our systems to AWS, consolidating our databases, worked on our python based AI backend and building a unified environment optimized for cost, latency, and scalability. This is a high-impact opportunity for someone eager to take ownership, solve complex challenges, and help power the next generation of educational technology.

Lead Backend Engineer - Ai Implementation - Node.js London Hybrid (3 days onsite) £80,000–£120,000 + meaningful equity Apply promptly! A high volume of applicants is expected for the role as detailed below, do not wait to send your CV. I've partnered with a fast-growing, VC-backed startup on a mission to reinvent how real-world services are delivered through technology. Their platform powers...

Backend Engineer (Kotlin) – Hybrid (London) – Up to £80k 💰 Join a rapidly growing cleantech company as a Mid Backend Kotlin Engineer, helping to accelerate the global move toward clean and affordable energy. The team is building an integrated hardware and software smart-grid platform that powers residential EV charging, using data, AI, and strong partnerships to connect vehicles, chargers,...

Backend Engineer - Python, Rust Paying £90k-£140K + Equity 5 days a week onsite in Central London Oliver Bernard have partnered with a stealth AI company, founded by world-class engineers with backgrounds from top-tier Silicon Valley firms, is looking to grow its core engineering team in London. This is a rare opportunity to join a well-funded, product-focused startup that's tackling one of...

Working for an industry leading, high-growth SaaS business with some of the biggest brand names in the world as customers, the Backend Engineer will build innovative next-gen solutions that are at the forefront of the data industry. In this role, the Backend Software Engineer will be given full autonomy, taking ownership from design phase through to deployment, building scalable backend...

Senior Backend Engineer - London (on-site) Want to make an application Make sure your CV is up to date, then read the following job specs carefully before applying. About the Role: We’re looking for a Senior Backend Engineer to join our mission of building the data, AI, and software infrastructure that will power the future of manufacturing. You’ll be part of a multidisciplinary team working...

Backend Software Engineer / Developer (Python FastAPI Data) London to £90k The full job description covers all associated skills, previous experience, and any qualifications that applicants are expected to have. Are you a data centric Software Engineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance...

Senior Backend Engineer - £400pd Outside IR35 Skills, Experience, Qualifications, If you have the right match for this opportunity, then make sure to apply today. We're partnered with a scale-up business who have recently raised ~£80m in funding and are looking for Backend Engineers to join an initial 3 month project with extensions very likely. - 2 days per week onsite in Hammersmith (you...

You will enjoy many great benefits too: - Flexible work hours

You will play a pivotal role in high-impact projects such as migrating our systems to AWS, consolidating our databases, worked on our python based AI backend and building a unified environment optimized for cost, latency, and scalability. This is a high-impact opportunity for someone eager to take ownership, solve complex challenges, and help power the next generation of educational technology.

Backend Software Engineer / Developer (Linux SQL C++17) London / WFH to £110k If you are considering sending an application, make sure to hit the apply button below after reading through the entire description. Global-leading FinTech is seeking a senior Backend Software Engineer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client...