Lead Software Engineer Python Java Jobs in London, UK

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Software Engineer

Our client is a top tier global hedge fund with a strong commitment to leveraging market innovations in technology and data to deliver high-quality returns. They are looking for a Software Engineer to join a dynamic and fast-paced environment, working with business and technical teams to design and build s ...

SOFTWARE ENGINEER

Responsibilities Design, develop, and maintain UI automation scripts using Selenium WebDriver with Java. Build and enhance automation frameworks using POM, Hybrid, or BDD (Cucumber/TestNG). Automate functional, regression, and cross browser test scenarios for web application ...

Software Engineer

Software Engineer Company: Norstella Location: London, United Kingdom Date Posted: Apr 28, 2026 Employment Type: Full Time Job ID: R-1902 About Norstella Norstella is a premier and critical global life sciences data and AI solutions provider dedicat ...

Software Engineer

.**About Team:**Our dynamic Agile team is at the forefront of developing cutting-edge technology for the future of peer review in scientific discovery. We are creating an innovative peer review system to enhance the review process.**About Role:**This position performs moderately difficult research, design, and s ...

Software Engineer

At PortSwigger we choose to be in the office five days a week because we believe being on-site has several key benefits. We see real value in proximity: it enables “high-bandwidth” communication, speeds up feedback loops, and helps innovation happen naturally through ad hoc chats, quick clarifications, and ...

Software Engineer

About us At Zego, we think traditional motor insurance holds good drivers back. It's too complicated, too expensive, and it doesn't take into account how well you actually drive. Since 2016, we've been changing that — building insurance priced fairly for good drivers, from van drivers and ...

Software Engineer

Software Engineer at Corgi Insurance Build and scale our insurance platform with Django, React, and cloud infrastructure. Responsibilities Django/Python backend React frontend HubSpot, Stripe, and carrier API integrations Database design ...

Software Engineer

This team is building an AI Operating System that autonomously runs entire companies - every revenue motion, every product decision, every operational function - with compounding intelligence across all of them. The core insight: truly consequential AI requires context no outside vendor can access. ...

Software Engineer

Software Engineer Application Deadline: 31 May 2026 Department: Software Engineering Employment Type: Permanent Location: London (Hybrid) Compensation: £40,000 - £70,000 / year Description Please note: Th ...

Software Engineer

About Caribou International tax is a rigged system. Tax rules get ever more complicated, compliance gets more expensive, and the Big Four controls the expertise. They charge fees that only giant companies can afford, while smaller businesses are left flying blind. Caribou is a t ...

Software Engineer

About the Job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . < ...

Software Engineer

Overview Graduate Quantitative Developer - Up to £75,000 + Bonus + Package - London (Hybrid) My client is hiring for talented graduate engineers with an interest in high performance computing/research, that are ready to fast track their careers into the Quantitative Trading space! ...

Software Engineer

## .**About Team:**Our dynamic Agile team is at the forefront of developing cutting-edge technology for the future of peer review in scientific discovery. We are creating an innovative peer review system to enhance the review process.**About Role:**This position performs moderately difficult research, design, an ...

Software Engineer

Founding Engineer (CTO Track) — Airventory Hybrid · Central London · Full-time About Airventory Airventory is a fashion supply chain platform on a mission to fix one of retail's most persistent problems: unsold inventory. We connect DTC apparel brands to premium garments and top ...

Software Engineer

About the Role We are looking for a software engineer to join one of our cross‑functional product delivery teams. You will primarily work on backend services in Kotlin and will occasionally contribute to the frontend codebase (React.js) with guidance from our front‑end specialists. Your focus wil ...

Software Engineer

About the role If you’re looking for a comfortable 9 to 5, something well established, structured, and where you’re told exactly what to do, this won't be for you. But if you want to build something extraordinary from the ground up and have a direct hand in shaping a company that’s scaling at bre ...

Software Engineer

Location: London (City) – Hybrid / On-site / Remote We are a London-based financial trading firm seeking an experienced Software Engineer to join our development team and support the ongoing evolution of our in-house trading and brokerage systems. This is a hands‑on, business‑critical role ...

Software Engineer

Overview Location: London (Hybrid working – 3 days in office per week) I’m currently working with a leading Investment Management firm looking to hire a Software Engineer to join a highly impactful internal engineering team focused on developer productivity, engineering tooling and improvin ...

Software Engineer

About us One team. Global challenges. Infinite opportunities. At Viasat, we’re on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We’re lookin ...

Software Engineer

Software Engineer - Up to £100,000 + great benefits - Remote first business My client is a leading software business in the security space and looking to build their first UK software engineering team. They were founded around 10 years ago, have circa 500 employees globally and are looking for a two mo ...

Software Engineer

DRW is a technology-driven, diversified principal trading firm. We trade our own capital at our own risk, across a broad range of asset classes, instruments and strategies, in financial markets around the world. As the markets have evolved over the past 30 years, so has DRW – maximizing opportunities to in ...

Software Engineer

London - United Kingdom # Software EngineerPrima could be the place for you.Since 2015, we’ve been using our love of data and tech to rethink motor insurance and bring drivers a great experience at a great price. Our story began in Italy, where we’ve quickly become the number one online motor insurance provider. ...

Software Engineer

Junior – Mid Software Engineer Shoreditch | Well-funded startup This one’s for the engineers who know they’re capable of more than their current role is letting them show. We’re working with a small, well-funded startup in Shoredit ...

Software Engineer

Software Engineer Contract to Permanent Hybrid (London) Rates negotiable Most backend systems look fine on paper until they hit production. This role is about building services that actually w ...

Software Engineer

Agentic Software Engineer | West London | Full-time | Hybrid (4 days onsite per week) Tech: AWS, Salesforce, Snowflake, Node.js, TypeScript, Python, React, GraphQL, Claude Code, Cursor, Copilot, Codex or similar agentic tools We're hirin ...

Software Engineer

Cisco's Webex Real-time Media Engineering Group is redefining the future of collaboration. We're building a world where people connect effortlessly to enjoy modern, uncompromised collaboration across every room, desk, pocket, and application. Our technology powers industry-leading products like Web ...

Software Engineer

## Software EngineerApplylocations: United Kingdom - London - Paddington (PPS)time type: Full timeposted on: Posted Todayjob requisition id: JR Take a step forward and let Edenred surprise you.Every day, we deliver innovative solutions to improve the life of millions of people, connecting employees, comp ...

Software Engineer

Prop-tech startup tackling one of the UK’s most broken systems using AI-powered technology to drive real innovation…. watch this space The team is now looking to hire their 4th Engineer. They’re looking for someone who goes beyond simply executing tickets and takes the time to think critically about ...

Software Engineer

Home-based UK | Belfast | Birmingham | London Our client is one of the UK and Ireland’s leading digital transformation consultancies, delivering large-scale programmes across government, healthcare, defence, and enterprise organisations. They have built a strong reputation for combining high-level ...

Software Engineer

Software Engineer — AI x Finance What if your next role let you reinvent how the world’s most important business decisions are made — turning Excel into an AI-powered engineering environment? ...

Software Engineer

Founding Software Engineer — AI Voice What if your next role let you build a real-world AI workforce — where voice agents handle thousands of customer interactions and automate entire industries? ...

Software Engineer

Do you love working on tech making a positive impact in the world? Looking to be part of a collaborate, innovate team? ♻ Software Engineer - Renewable Energy for Car Charging ♻ Package: Up to £80k + bonus + equity ...

Software Engineer

Barrington James’s specialist Software & Electronics Division is currently searching for a Software Engineer on a full time permanent basis in West London, England. (This opportunity is hybrid with 3 days a week on site required) To be considered for this position: < ...

Software Engineer

Software Engineer | Full Stack Prop-tech startup tackling one of the UK’s most broken systems using AI-powered technology to drive real innovation.... watch this space The team is now looking to hire their 4th Engineer. They’re looking for someone who g ...

Software Engineer

About This team is building an AI Operating System that autonomously runs entire companies - every revenue motion, every product decision, every operational function - with compounding intelligence across all of them. The core insight: truly consequential AI requires ...

Software Engineer

Join a team developing a SaaS platform used to assess over £200bn of non-life insurance business. This is a mid-level software engineering role focused on production-grade Python development rather than research or one-off analysis. Hybrid role based in London (2 days per week in office) You will work ...

Software Engineer

*We offer Visa Sponsorships - all applications welcome* Full-time Software Engineer - London based. Application requirement: Please include a short cover letter or statement explaining your interest in this role and any experience relevant to climate or carbon markets. What ...

Software Engineer

Excellent opportunity for a Software Engineer to contribute to the development and enhancement of our client’s in-house trading and research systems. You will work on greenfield and existing projects, helping to build scalable, high-performance systems that directly support real-world trading strat ...

Software Engineer

We are currently working with an exciting space engineering company in London developing next‑generation spacecraft technology and looking to add a Software Engineer to the team. About them Our client are building advanced technology for real‑world space applications, working on systems t ...

Software Engineer

## Software EngineerHaelocations: United Kingdom - London - Paddington (PPS)time type: Kokopäiväinenposted on: Julkaistu tänäänjob requisition id: JR Ota askel eteenpäin ja anna Edenredin yllättää sinut.Toimitamme joka päivä innovatiivisia ratkaisuja, jotka parantavat miljoonien ihmisten elämää ja yhdist ...

Software Engineer

## Software EngineerApplylocations: United Kingdom - London - Paddington (PPS)time type: Full timeposted on: Posted Todayjob requisition id: JR Take a step forward and let Edenred surprise you.Every day, we deliver innovative solutions to improve the life of millions of people, connecting employees, comp ...

Software Engineer

About Us Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. ...

Software Engineer

Agentic Software Engineer | West London | Full-time | Hybrid (4 days onsite per week) Tech: AWS, Salesforce, Snowflake, Node.js, TypeScript, Python, React, GraphQL, Claude Code, Cursor, Copilot, Codex or similar agentic tools We're hiring on behalf of a growin ...

Software Engineer

At Great Yellow we're looking for a Software Engineer (backend) to join our team. About the job We’re building a new generation of tools to make complex environmental programme data simple, clear, and actionable, to help organisations accelerate nature recovery across the UK. To d ...

Software Engineer

Contract Software Engineer - C# / Windows / Networking We're looking for an experienced C# Software Engineer to join a highly skilled engineering team working on complex, mission‑critical Windows desktop systems used in marine operational environments. This is a hands‑on contract role, id ...

Software Engineer

Join a team developing a SaaS platform used to assess over £200bn of non-life insurance business. This is a mid-level software engineering role focused on production-grade Python development rather than research or one-off analysis. Hybrid role based in London (2 days per week in office) You will w ...

Software Engineer

Mitra Bio is building the future of skincare through epigenetics, longevity science, and data. Backed by Khosla Ventures, Illumina, and Innovate UK, we help people better understand their skin over time using simple, non-invasive skin sampling and advanced data analysis. Our goal is to make highly personal ...

Software Engineer

About The Company DWP Digital is a leading technology and digital transformation partner within the UK government, dedicated to delivering innovative digital services that improve the lives of citizens and streamline government operations. With a focus on leveraging cutting‑edge technology, DWP D ...

Software Engineer

Position Description We are seeking an experienced and versatile Software Engineer with a strong focus on Android development to join an established and evolving project team. This role is centred on the design, development, enhancement, and support of modern Android applications using Kotlin, wh ...

Software Engineer

Who We Are At JD.com, also known as JINGDONG, we are building one of the world’s most trusted technology and supply chain ecosystems. What started as a bold idea in China has evolved into a NASDAQ-listed, Fortune 44 global enterprise serving over 700 million active customers. Powered by advanced ...

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