Lead Software Engineer Python Java Jobs in London, UK

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Java Software Engineer

Have you got a strong educational background from a Russell Group University? Do you have experience working in the financial industry? Location: Hybrid working in Central London We are very excited to once again be partnered exclusively with London ...

Java Software Engineer

About the Job You’ll be joining a passionate, professional and highly skilled team of developers who specialise in agile custom software development and integration at an enterprise scale. Innovation in delivery is always at the forefront of our minds, which is why we utilise a variety of Open So ...

Java Software Engineer

Location: Hybrid working in Central London Salary: up to £120,000 + bonus We are very excited to once again be partnered exclusively with London’s leading investment management firm’s latest spinout company. Leveraging cutting‑edge techniques with the latest technologies, th ...

Java Software Engineer

Senior Java Developer 11 roles available (mid to senior level) Pay rate: Outside IR35 – £600 to £800/day (depending on experience) Duration: Initial 6–9 months (programme running through to 2027) Worki ...

Java Software Engineer

An exciting opportunity for a Java Software Engineer has arisen with a leading semiconductor company specialising in high-performance mixed-signal processing, based in London. This is an exciting opportunity for a Java Software Engineer to design and evolve cross-platform applications, SDKs, ...

Java Software Engineer

Brio Digital are supporting a consultancy on a major NHS digital programme and are looking for experienced Java Developers to join an established engineering team. You will contribute to the design, build, and delivery of complex, high-availability digital solutions within a large-scale NHS environment, wo ...

Java Software Engineer

Senior Software Engineer - London Harrington Starr are working alongside a unique financial trading technology firm who are seeking 10+ Senior Java Developers to join their Core Development team and build out low latency systems. You absolutely have to hav ...

Java Software Engineer

We're Hiring: Junior Java Spring-boot Developer Location: Onsite (London) Type: Full-time | Permanent Level: Junior London based candidates only. Job Summary: W ...

Java Software Engineer

Java Developer - multiple roles £510/day Inside IR-35 6 month contract Active SC required Remote with occasional travel to London for client meetings only - expensable We are looking for experienced fullstack Java Software Engineers ...

Java Software Engineer

About the job your consideringHybrid working: The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of ...

Java Software Engineer

About the job your consideringHybrid working: The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of ...

Java Software Engineer

About the job your consideringHybrid working: The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of ...

Java Software Engineer

About the job your consideringHybrid working: The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of ...

Software Engineer Java/JS/Python with DevOps (Kubernetes)

A leading technology consultancy in the UK is seeking Software Engineers of varying seniority for long-term projects. The role offers contract rates between £500 - £700 per day and permanent salaries from £50,000 to £100,000. Successful candidates will have experience in Java, JavaScript, or Python, along with p ...

Lead Software Engineer Python and React

Lead Software Engineer - Python and React Join to apply for the Lead Software Engineer - Python and React role at JPMorganChase . Step into a high-growth environment where your expertise in AI/ML and AWS will help shape and deliver game-changing business outcomes. A ...

Lead Software Engineer Python Vice President

We have an exciting opportunity to join an agile development team working on a top-tier Delta One platform that empowers the front office to create, manage, and report on equities-based baskets. You will collaborate with other skilled engineers worldwide and gain exposure to the entire portfolio management ...

Lead Software Engineer – Python, AIML, Cloud

J.P.MorganChase is seeking a Lead Software Engineer with expertise in AWS and Python, and a passion for Machine Learning, to help engineer and deploy innovative ML solutions into production. You will collaborate with the Applied AI/ML group and technology teams across the firm, contributing to both new and ...

Lead Software Engineer Python API Fintech

Lead Software Engineer / Developer London / WFH to £120k Are you a skilled backend focused Python technologist with team leadership experience? You could be progressing your career at a well‑funded and profitable FinTech start‑up. As a Lead Software Engineer you'll head up a small ...

Lead Software Engineer – Python, AIML, Cloud

Chase is seeking a Lead Software Engineer with expertise in AWS and Python, and a passion for Machine Learning, to help engineer and deploy innovative ML solutions into production. You will collaborate with the Applied AI/ML group and technology teams across the firm, contributing to both new and ongoing proj ...

Lead Software Engineer Python API Fintech

Lead Software Engineer / Developer London / WFH to £120kAre you a skilled a backend focussed Python technologist with team leadership experience?You could be progressing your career at a well-funded and profitable FinTech start-up.As a Lead Software Engineer you'll head up a small, ...

Lead Software Engineer Python API Fintech

Lead Software Engineer / Developer London / WFH to £120kAre you a skilled a backend focussed Python technologist with team leadership experience?You could be progressing your career at a well-funded and profitable FinTech start-up.As a Lead Software Engineer you'll head up a small, ...

Lead Software Engineer – Python, AIML, Cloud

Chase is seeking a Lead Software Engineer with expertise in AWS and Python, and a passion for Machine Learning, to help engineer and deploy innovative ML solutions into production. You will collaborate with the Applied AI/ML group and technology teams across the firm, contributing to both new and ongoing proj ...

Lead Software Engineer Java/Back End

Overview We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. Job responsibilities Executes creative software solutions, design, development, and technical troubleshooting with ability to think beyond routi ...

Senior Software Engineer (Python/Java, AWS) – Onsite, UK Defence

A leading firm in Defence and National Security is seeking a Senior Software Engineer skilled in Python or Java and AWS, to deliver on a secure government programme based in London, Manchester, or Cheltenham. The position is primarily on-site, with the flexibility discussed for the right candidate. Candidates sh ...

Lead Backend Developer Python Java AWS

21 hours ago Be among the first 25 applicants This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Tech Recruiter - Software ...

Senior Software Engineer (Python)

About the roleOur Technology team builds the systems and experiences that keep Revolut moving. From the infrastructure behind our innovative app to the features used by millions of people around the world, they bring sharp thinking, speed, and a focus on meaningful impact to everything they do.We ...

Senior Software Engineer (Python)

About the roleOur Technology team builds the systems and experiences that keep Revolut moving. From the infrastructure behind our innovative app to the features used by millions of people around the world, they bring sharp thinking, speed, and a focus on meaningful impact to everything they do.We ...

Senior Software Engineer (Python)

Senior Software Engineer (Python) Hybrid London (2 days/week) Up to £100,000 + Benefits We’re hiring a Senior Software Engineer to play a key role in building and scaling a high-impact ad-fraud prevention platform used globally. This is a ...

Senior Software Engineer (Python)

Senior Software Engineer (Python) Hybrid London (2 days/week) Up to £100,000 + Benefits We’re hiring a Senior Software Engineer to play a key role in building and scaling a high-impact ad-fraud prevention platform used globally. This is a ...

Senior Software Engineer (Python)

Senior Software Engineer (Python) Hybrid London (2 days/week) Up to £100,000 + Benefits We’re hiring a Senior Software Engineer to play a key role in building and scaling a high-impact ad-fraud prevention platform used globally. This is a ...

Senior Software Engineer (Python)

Senior Software Engineer (Python) Hybrid London (2 days/week) Up to £100,000 + Benefits We’re hiring a Senior Software Engineer to play a key role in building and scaling a high-impact ad-fraud prev ...

Software Engineer (Python/React)

Software Engineer – AI Startup – Up to 85k Considering making an application for this job Check all the details in this job description, and then click on Apply. Salary: £50,000 - £85,000 + meaningful equity Location : London, ...

Senior Software Engineer (Python)

Senior Software Engineer – Python | Django | AWS Hybrid 1 day a week - Central London Private medical | Learning budget | Conference allowance | Strong progression opportunities Series B, high-growth AI-driven SaaS scale-up 5 Star Glassdoor with strong engineering culture ...

Python Software Engineer, Backend

Overview Our client is building an elite engineering team applying frontier technologies to major financial challenges. We're looking for bold thinkers, sharp problem-solvers, and builders who want to make an impact. This is a high‑performing, fast‑moving environment with ethics at the core. Expec ...

Software Engineer (Python/Data)

Location UK or Portugal only (remote within either location). Employment Type Permanent Department Engineering About YLD Our goal is to help our clients keep moving forward. We work with them to build the skills and capabilities they need to stay ahe ...

Senior Software Engineer (Python)

A software company in London is looking for a Senior Developer to join their engineering team. They operate in a fast-paced environment where engineers prioritise quick delivery, practical problem-solving, and real-world impact over perfect code. It’s an outcome-driven culture with plenty of autonomy, wher ...

Backend Software Engineer (Python)

About the role: NLPatent is an industry leading AI-first patent research platform that was an early mover in the application of Large Language Models. We use a combination of proprietary and off-the-shelf machine learning models and NLP techniques to help our users answer patent related research ...

Senior Python Software Engineer

About Abound We’re redefining consumer lending in the UK, and beyond. Using advanced AI and Open Banking data, we make fair, affordable personal finance available to more people. While traditional lenders rely almost entirely on credit scores, we look at the full financial picture – how much you ...

Software Engineer | Python | Modelling

Overview Software Engineer (Python) – 3 year programme | Inside IR35 | Hybrid Responsibilities Work with data science teams to optimise predictive models and deploy them at scale Build robust, scalable services in Python, with performance-critical elements in C++ </li ...

Senior Software Engineer (Python)

Senior Software Engineer We’re hiring a Senior Software Engineer to play a key role in building and scaling a high-impact ad‑fraud prevention platform used globally. This is a senior IC role for engineers who enjoy ownership, solving complex problems, and setting a high bar for engineering qualit ...

Software Engineer (Python/React)

Software Engineer (Python/React) Location: UK or Portugal Department: Engineering Hours: Full-time About YLD: Everything we do is to empower our clients to move forward. Our purpose is to help our clients develop the capabilities they need to outperform their competitors. ...

Financial Software Engineer (Python)

We are looking for a Python Software Engineer to join our Client Success Team. The vision of the Client Success Team is to establish a proactive, client-aligned feedback loop that accelerates high-impact feature delivery for the Validus Horizon platform . By doing so, the team enhanc ...

PHP/Python Software Engineer

The Role We're looking for a Software Engineer skilled in PHP and familiar with Python, ready to make a real impact. You’ll split your time between maintaining and improving our existing PHP/Laravel codebases - powering products like our website, Life Insurance offering, and internal tools - and c ...

Financial Software Engineer (Python)

We are looking for a Python Software Engineer to join our Client Success Team. The vision of the Client Success Team is to establish a proactive, client-aligned feedback loop that accelerates high-impact feature delivery for the Validus Horizon platform . By doing so, the team enhanc ...

Software Engineer (Python Backend)

About Nevis Nevis is building the world’s first AI wealth management platform. We are building the system financial advisors will run on for the next decade. Our AI completes work, automates workflows end to end, and frees advisors to spend more time with clients. In the future, every wea ...

Senior Python Software Engineer

Tesco UK • London • Permanent • Apply by 19-Jun-2026 We're a new team operating with startup urgency to create new customer growth. Expect end‑to‑end ownership-rapid experimentation, fast shipping, and leaning in wherever the work takes you, beyond your job title. If you're ambitious, hard‑w ...

Senior Python Software Engineer

Senior+ Software Engineer - Python | FastAPI | AWS £90,000-120,000 + Bonus and Stock Flexible benefits | 90 day work-from-anywhere perk Remote first or hybrid (London) InsurTech | high traffic, scalable, event-driven, microservices development We’ve p ...

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    Lead Software Engineer Python Java Jobs in London Job Search Guide, Trends and Insights