Lead Software Engineer Python Java Jobs in London, UK

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Senior Software Engineer I Investments Java

Job DescriptionAbout the roleWith Wise Assets, we’ve enabled customers to grow the money they hold with Wise  - giving them access to government-backed assets that track base rates, or a global stock index fund. This is a product that challenges traditional banking by pu ...

Senior Software Engineer SEO Product (Java)

Job DescriptionWe are looking for a Software Engineer with a passion for solving problems at scale using backend technologies such as Java, that also has an interest in working across the stack and using the latest front-end technologies to build brilliant user experiences.The SEO Product tea ...

Principal AI Software Engineer (Java, Scala)

We offer a flexible working policy that supports a healthy balance between personal and professional wellbeing. This role requires in-office presence on Tuesdays & Thursdays to collaborate, connect, and learn from peers - while also maintaining the flexibility for meaningful work-life balance.Being ...

Software Development Engineer In Test – Java

Job Description As a SDET you will part of a highly focused team responsible for delivering highly scalable and robust systems for this scale up. You will deliver testing solutions for large scale systems and drive the improvement of your teams automation frameworks. · Desig ...

Backend Software Engineer Java Kotlin AWS

Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £120kWould you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good?You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge Un ...

Backend Software Engineer Java Kotlin AWS

Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £120kWould you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good?You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge Un ...

Staff Software Engineer Java (Supply Chain)

Are you energised by solving complex technical challenges? Do you want to influence engineering at scale and shape the future of how millions of customers shop with us every day? If so, you could be the perfect fit for our Staff Engineer role in the Supply Chain Technology space. This is your ch ...

Senior Java Software Engineer Customer Services

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way.We’re a fully licensed UK bank with the culture and spirit of a fast-mo ...

Senior Software Development Engineer (Java Backend)

Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success.Why Join Us?</b ...

Senior Java Software Engineer Payment Schemes

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way.We’re a fully licensed UK bank with the culture and spirit of a fast-mo ...

Senior Java Software Engineer Payment Schemes

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way.We’re a fully licensed UK bank with the culture and spirit of a fast-mo ...

Principal Software Engineer Java SpringBoot AWS

Principal Software Engineer / Developer (Java SpringBoot AWS) London / WFH to £120kAre you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills?You could be progressing your career at a global technology consultancy.As a Princip ...

Principal AI Software Engineer (Java, Scala)

We offer a flexible working policy that supports a healthy balance between personal and professional wellbeing. This role requires in-office presence on Tuesdays & Thursdays to collaborate, connect, and learn from peers - while also maintaining the flexibility for meaningful work-life balance.Being ...

Staff Software Engineer Kotlin Java JVM

Staff Software Engineer / Developer (Kotlin Java JVM) Hybrid WFH to £120kWould you like to progress your career in an impactful hands-on Software Engineer role working on Tech for Good?You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educa ...

Senior Java Software Engineer Customer Services

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way.We’re a fully licensed UK bank with the culture and spirit of a fast-mo ...

Staff Software Engineer Kotlin Java JVM

Staff Software Engineer / Developer (Kotlin Java JVM) Hybrid WFH to £120kWould you like to progress your career in an impactful hands-on Software Engineer role working on Tech for Good?You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educa ...

Senior Java Software Engineer Customer Services

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way.We’re a fully licensed UK bank with the culture and spirit of a fast-mo ...

Backend Software Engineer Java Kotlin AWS

Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £120k Would you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, ...

Senior Lead Software Engineer Java (Tech Lead/Staff Level) Chase UK

Senior Lead Software Engineer- Java (Tech Lead/Staff Level) - Chase UK LONDON, LONDON, United Kingdom Job Information Job Identification Job Category Software Engineering Business Unit Corporate Sector Posting Date 03/24/2025, 02:58 PM ...

Staff Backend Engineer (C++/Java/Go/Python/Typescript)

Job Description If you are interested in applying for this job, please make sure you meet the following requirements as listed below.Fastest Growing Start-up in the UK | Defence We are partnered with one of the UK's fastest-growing start-ups. They are a very technically focused group bui ...

Lead Software Engineer

The Role We are looking for a Lead Software Developer to join the Front Office Applications team at one of our major Commodity Trading clients. You will be supporting oil traders and analysts with tools that drive strategy and decision-making. This includes ...

Lead Software Engineer

The Role We are looking for a Lead Software Developer to join the Front Office Applications team at one of our major Commodity Trading clients. You will be supporting oil traders and analysts with tools that drive strategy and decision-making. This includes ...

Lead Software Engineer

At Pike + Bambridge, we’re on a mission to change the way people buy cars. We offer a personalised, tailored service for busy professionals who are tired of biased advice or bewildering online portals that make car buying even more of a hassle. We believe in building long-term relationships, not one-off trans ...

Lead Software Engineer

At Pike + Bambridge, we’re on a mission to change the way people buy cars. We offer a personalised, tailored service for busy professionals who are tired of biased advice or bewildering online portals that make car buying even more of a hassle. We believe in building long-term relationships, not one-off trans ...

Lead Software Engineer

At Pike + Bambridge, we’re on a mission to change the way people buy cars. We offer a personalised, tailored service for busy professionals who are tired of biased advice or bewildering online portals that make car buying even more of a hassle. We believe in building long-term relationships, not one-off trans ...

Lead Software Engineer

The Role We are looking for a Lead Software Developer to join the Front Office Applications team at one of our major Commodity Trading clients. You will be supporting oil traders and analysts with tools that drive strategy and decision-making. This includes ...

Lead Software Engineer

The Role We are looking for a Lead Software Developer to join the Front Office Applications team at one of our major Commodity Trading clients. You will be supporting oil traders and analysts with tools that drive strategy and decision-m ...

Lead Software Engineer

Role: Lead Python Engineer (Hands-on Team Lead) Location: London – Hybrid (3 days office / 2 days WFH) Salary: Up to130k base Industry: Fintech Platform We’re working with a profitable, <stro ...

Lead Software Engineer

Lead Software Engineer Contract to Permanent Hybrid (London) Rates negotiable Most streaming platforms struggle to scale backend systems properly you’ve seen it. This role is about building ...

Lead Software Engineer

Software Engineer Tech Stack: C#, .NET, Python, AI Development, SQL, Azure London - Onsite Salary Range: £70,000 - £90,000 Harrington Starr has partnered with a boutique Investment Bank, with decade ...

Lead Software Engineer

Lead Backend Engineer Node.js, TypeScript, PostgreSQL, APIs, Microservices, Docker, Kubernetes, AI/LLM Integration. London, United Kingdom Permanent Role: Competitive Salary + Equity A fast-growing AI startup is looking to hire a Lead Backend Engineer t ...

Lead Software Engineer

Role: Lead Python Engineer (Hands-on Team Lead) Location: London – Hybrid (3 days office / 2 days WFH) Salary: Up to130k base Industry: Fintech Platform Read on to find out what you will need to succeed ...

Lead Software Engineer

Lead Software Engineer Contract to Permanent Hybrid (London) Rates negotiable Ensure you read the information regarding this opportunity thoroughly before making an application.Most streaming ...

Lead Software Engineer

Software Engineer Tech Stack: C#, .NET, Python, AI Development, SQL, Azure London - Onsite Salary Range: £70,000 - £90,000 Check all associated application documentation thoroughly before clicking on the a ...

Lead Software Engineer

Lead Backend Engineer Node.js, TypeScript, PostgreSQL, APIs, Microservices, Docker, Kubernetes, AI/LLM Integration. London, United Kingdom Permanent Role: Competitive Salary + Equity If you would like to know a bit more about this opportunity, or are consideri ...

Lead Software Engineer

Lead Rust Engineer Up to 120,000/130,000 London Low Latency | Async Rust | Tokio Drones We have a new and exclusive partnership with one of the most exciting scale-ups in Europe, who are looking to double in size their engineering team. They ha ...

Lead Software Engineer

Lead Rust Engineer Up to 120,000/130,000 London Low Latency | Async Rust | Tokio Drones We have a new and exclusive partnership with one of the most exciting scale-ups in Europe, who are looking to double in size their engineering team. They ha ...

Senior Python/Java Cloud Engineer — AI, AWS & RAG

A global financial services leader in the UK is seeking a Senior Python Engineer to develop high-quality production code for cloud-based systems. This role involves optimizing AI-driven workflows and contributing to an agile team. The ideal candidate possesses advanced proficiency in Python and hands-on experien ...

Backend Engineer (Java/Python) for Critical Systems — London

ALTEN LTD - UK is hiring a Backend Software Engineer in London responsible for developing high-reliability software platforms. You'll focus on creating core operational software, working with data flows, and improving automation efficiency. Candidates should have strong Java and Python skills, a degree in Engine ...

Backend Engineer – Java/Spring Boot & Python (Hybrid London)

Methods Business and Digital Technology Ltd is seeking a Back-end Developer specializing in Java Spring Boot and Python to join their private sector team in London. This hybrid role requires 3 days on-site each week. The successful candidate will lead the rebuild of core architecture, optimize technical connecto ...

Senior Full Stack Engineer (Java/Python) React & Cloud

Develop is looking for a Senior Full Stack Engineer based in London to join their team in building scalable systems. This role focuses on Java and Python for backend services and requires strong React skills for frontend development. Candidates must have recent experience in these technologies and be comfortable ...

Senior Backend Engineer Java/Python for Critical Systems

A global engineering consultancy is seeking a Backend Software Engineer to join their London team. The role involves designing and supporting high-reliability software platforms for complex systems, focusing on Java and Python development. Candidates should have a Bachelor’s or Master’s in Engineering, strong ex ...

Senior Data Platform Engineer Java/Python, Risk Tech

A leading financial services firm is looking for a Senior Lead Software Engineer to join their Data Platform & Strategy team in Greater London. In this role, you will design and enhance advanced data engineering solutions that support business objectives. You will collaborate with agile teams and drive innovatio ...

Full Stack Java/Python Engineer 6 Month Contract

A leading technology consultancy in Greater London is looking for a Full Stack Java/Python Engineer for a 6-month contract. The successful candidate will have a strong background in Java, Spring Boot, and Python, along with hands-on experience in developing full stack applications. This role supports flexible wo ...

Senior Python/Java ML Engineer Life Sciences, Remote

A leading consulting firm is seeking a Senior Software Engineer with extensive experience in Python and Java to join their team for a high-stakes project in the Life Sciences industry. Ideal candidates will have a PhD or MSc in Computer Science and a proven track record of developing complex applications. This p ...

Lead Software Engineer

We are Two Circles, a Sports & Entertainment Marketing business that grows audiences and revenues by knowing fans best. We help clients understand and influence what their fans are doing across channels, content, and spending, using that insight to grow their audiences and revenues for both direct-to-consu ...

Lead Software Engineer

If you need support in completing the application or if you require a different format of this document, please get in touch with at or call TCS London Office number with the subject line: “Application Support Request”. Job Type: Permanent Location: London, UK / Hybrid < ...

Lead Software Engineer

MANUAL is a fast growing Healthtech scale-up, aiming to be the healthcare provider that millions of people trust as their partner to a long and healthy life. Our platform allows users to quickly and safely diagnose possible conditions, get treatment and support them afterwards to live a higher quality life ...

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