software programmer jobs in City of London

A leading FinTech innovator is shaping the future of financial markets - across traditional finance and crypto - with cutting-edge trade surveillance technology. Their mission is to protect investors, enhance transparency, and ensure compliance in some of the world's most dynamic markets. Trusted by regulators and institutions worldwide, their systems monitor over a trillion events every single...

Launch. Code. Accelerate your tech career with a global superstar brand. Have you got what it takes to succeed The following information should be read carefully by all candidates. Step into the world of finance with a FTSE-listed bank in Guangzhou. As a Software Engineer, you’ll be part of the team behind secure, lightning-fast cross-border payments, building the tech that keeps the world...

You will be liaising with these clients too, understanding their projects and building the solution collaboratively. It's a hybrid working environment, with some need to travel to client site. Want to build your AI skills whilst leveraging your Python development skills?

Backend Engineer (Kotlin) – Hybrid (London) – Up to £95k #128176; Join a fast-growing cleantech company as a Backend Kotlin Engineer that is driving the global shift to clean, affordable energy through an integrated hardware and software smart-grid platform focused on residential EV charging. By leveraging data, AI, and strong industry partnerships, they connect cars, chargers, people, and energy...

SC Cleared Contract Developer - Node.js / AWS Check below to see if you have what is needed for this opportunity, and if so, make an application asap. Inside IR35 | £400 p/day | 3 days per week in London We're supporting a client who needs a strong Software Developer/Devops Engineer with solid AWS experience to join an active programme. You'll work across build, support and deployments,...

Contract Role: Senior Software Engineer (x2) Rate: Up to £375/day (Inside IR35) Location: London - 1 day a week onsite Duration: ASAP - 31 March 2026 Candidates should take the time to read all the elements of this job advert carefully Please make your application promptly. We're building a brand-new engineering team to modernise and futureproof Media Services products. This is your chance to...

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 Software Engineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Apply fast, check the full description by scrolling below to find out the full requirements for this role. Are you a passionate Python engineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency, recognised as one of the Sunday Times Best...

You will have a wealth of experience in transparent leadership that demands simplicity and predictability. Priding yourself on making sure everyone is informed so decisions can be made quickly and with the best knowledge to hand: Your teams will help to coordinate all our software builds from inception through to live customer usage / support

You will be required to work closely with the senior financial and technical staff of our clients across the Financial Services and other sectors and will be responsible for analysing the costing elements of their R&D projects.

You will also have extensive client communication.

Lead Software Engineer Location: London / Manchester / Bristol Salary: Up to £105k + Excellent Benefits Making sure you fit the guidelines as an applicant for this role is essential, please read the below carefully. Join one of the UK’s leading digital transformation consultancies, recognised multiple years in a row as a Times Top 100 Company and consistently rated among the best places to...

A global trading organisation is seeking a skilled C# Developer to join a high-impact team dealing with business critical projects. This an exciting opportunity to contribute to strategic solutions while being part of a broader modernisation programme into a cloud and data platform focused environment. Candidates should take the time to read all the elements of this job advert carefully Please...

Job Title: Full Stack Software Engineer (contract) Location: London Hybrid. Travel to the London office on an adhoc basis is required. Duration: 6 months Contract Start Date: ASAP November 2025 Maximise your chances of a successful application to this job by ensuring your CV and skills are a good match. Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer...

Secure Screening Services is a tech-led background screening company on a mission to make background checks simple, fast and stress-free for clients and candidates. We’ve built our screening portal in-house and back it with a UK-based support team, using smart tools to deliver dependable service. We’re proud of our relaxed, friendly culture, and we match hard work and commitment with flexibility,...

Software Developer - PHP (Laravel OR Symfony), React, AWS, Node A variety of soft skills and experience may be required for the following role Please ensure you check the overview below carefully. Location - Camden (4 days onsite) Salary - up to £100,000 + Bonus + Stock I’m working with a leading digital gaming company that’s part of a global group listed on the NYSE. They’re passionate about...

Trading Software Engineer - Systematic Market Maker Location: London (onsite 4 days) £375k++ total compensation All candidates should make sure to read the following job description and information carefully before applying. Quant capital is urgently looking for a Software Developer to join a prestigious market maker. This role sits in a highly autonomous engineering team building...

Senior Software Engineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Python engineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency, recognised as one of the Sunday Times Best Places to Work, that’s looking for a Senior Software Engineer (Python) to help shape the next generation of...

Senior Full-Stack Software Engineer | London - Hybrid (1-3 Days per Week)#London - Fulham (1 - 3 days per week)#TypeScript, Node.js, React, PostgreSQL, AWS, Jest / Playwright Here at Burns Sheehan, we’re supporting a seed-funded SaaS business in London that’s building a new product suite for the private equity world. It’s a space that has seen very little purpose-built technology, and most of the...

Secure Screening Services is a tech-led background screening company on a mission to make background checks simple, fast and stress-free for clients and candidates. We’ve built our screening portal in-house and back it with a UK-based support team, using smart tools to deliver dependable service. We’re proud of our relaxed, friendly culture, and we match hard work and commitment with flexibility,...

Senior Software Engineer (Python) Hybrid London (1–3 days per week) Are you a passionate Python engineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work , that’s looking for a Senior Software Engineer (Python) to help shape the next generation of their data-driven tools and...