Lead Software Engineer Python Java Jobs in London, UK

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Staff Java Engineer – Supply Chain, AI & Microservices

hackajob is seeking a Staff Engineer to work with Sainsbury’s, focusing on technical design and mentoring within engineering teams. You will help drive the architectural solutions for complex supply chain systems leveraging your expertise in Java, Python, and microservices. The ideal candidate should demonstrate ...

Senior Back end Software Engineer (Python and Rust) London

Validus is looking for a financial software engineer to join our back-end team. This team is responsible for designing, implementing and maintaining the systems and services powering the rapidly growing, award-winning technology offering at Validus. The back-end team is part of the broader technolog ...

Python Software Engineer for AI Voice Platform — London Relocation

A tech startup is seeking a Software Engineer (Python) to join their team in London. This role involves developing AI-driven customer service solutions and contributing to the company’s growth and innovation. The ideal candidate will have strong software engineering skills and be proficient in Python or TypeScri ...

Cloud EnginSenior Software Engineer | Full Stack | React/Python/AWSeer

Senior Software Engineer | React, Python, AWS | Real-time Data Intelligence Platform Full stack (flexible on lean) Location: Hybrid (London, Oxford or Cambridge) We’re working with an early stage technology company building a production grade data platform for real time systems an ...

Software Engineer (Python/Golang/DevOps) Up to £60,000 ID37652

Software Engineer (Python/Golang/DevOps) - Up to £60,000 - ID37652 This range is provided by Humand Talent. 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 Humand Talent <h3 ...

Python and Kubernetes Software Engineer Data, AI/ML & Analytics

Overview Python and Kubernetes Software Engineer - Data, AI/ML & Analytics at Canonical. Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is widely used in cloud, data science, AI, engineering, and ...

Principal Software Engineer (Python, AI) London, England, United Kingdom

Principal Software Engineer (Python, AI) London, England, United Kingdom Here’s a summary of the role: This is a principal-level role for someone who has already operated at Staff or Principal Engineer level in a sizeable engineering organization and can point to specifi ...

Risk Software Engineer Full Stack Python & AI Driven Engines

A leading financial services firm in Greater London is seeking a Software Developer to join its Technology department. This role focuses on enhancing Risk Engines and collaborating within a dynamic team. Candidates should have full-stack Python skills, experience with scalable applications, and familiarity with ...

Python Software Engineer Hybrid working £70,000 £225,000 Base (+ Bonus)

Overview Senior Quantitative Technology Consultant at Hunter Bond Job Title: Python Software Engineer Location: London / Hybrid Salary: £70,000 - £225,000 base (+ Bonus) Responsibilities Design, implement, and optimize trading algorithms, order execution syst ...

Software Engineer – Middle/Back Office – Asset Manager (Contract)

Software Engineer – Middle/Back Office – Asset Manager (Contract) An asset manager is improving their risk, P&L, and reporting systems and are looking for an experienced software engineer to work across several projects aimed to enhance and extended middle and back-office systems. Y ...

Cloud Native Software Engineer, Global Banking Platform

JPMorgan Chase & Co. is seeking a Software Engineer III in Greater London to enhance their Global Banking Platform. The role involves designing, implementing, and developing scalable microservices, utilizing programming languages like Go, Python, or Java. Candidates should have practical experience in system des ...

Senior Infra Engineer — Cloud‑Native Backend & CI/CD

A technology company in London seeks a Senior Software Engineer I for its Infrastructure Services team. The role involves designing and building core systems for backend services while ensuring scalability and reliability. Candidates should have strong programming skills in languages like Java, Go, or Python, an ...

Senior Software Engineer — Scale Robust, Secure Systems (Hybrid)

A fintech startup in London is searching for a Senior Software Engineer to implement robust systems for their rapidly growing app. The ideal candidate will have extensive experience with high-volume applications and proficiency in various programming languages, including Python and Java. This role includes hybri ...

Gen AI Engineer: Frontline Client Deployments

A leading software firm in Greater London seeks a Forward Deployed AI Engineer to build and implement solutions using Generative AI technologies. You will engage directly with clients to deliver high-stakes projects and enhance the Gen AI strategy. The ideal candidate will possess a strong engineering background ...

Software Engineer Defence & Cybersecurity (Security Cleared)

A leading technology firm based in the UK is seeking an experienced Software Engineer to join their expanding technology team. The role requires proficiency in various technologies such as Java, Python, and cloud services like AWS or Azure. The ideal candidate will hold a high-level security clearance and have a ...

Software Engineer – AI & Secure Systems (On Site)

A leading tech firm in Greater London is hiring a Software Engineer to join their cutting-edge team focused on developing innovative, mission-driven technology. This role emphasizes building impactful AI-powered tools and secure systems, requiring existing SC or DV clearance. Ideal candidates are skilled in lang ...

ML Projects Engineer: AI Driven Banking Systems

A leading digital bank in the UK is seeking a skilled software engineer to join their ML Projects team. This role involves designing and implementing machine learning features that enhance their banking platform. Candidates should thrive in a fast-paced environment and are encouraged to take ownership of their w ...

Platform Engineer, DevEx & Internal Tooling

Selby Jennings is seeking a Platform Infrastructure Engineer - Developer Experience (DevEx) in London. In this role, you will work on enhancing the developer experience by building and refining internal platforms. Responsibilities include designing internal developer platforms, improving CI/CD workflows, and col ...

AI Engineer — Copilot Studio & Enterprise AI

SKY seeks a talented AI Engineer to join the Group AI Engineering team in Greater London. This role involves developing, designing, and implementing scalable AI solutions that impact business outcomes. Candidates should have strong software development experience in programming languages like Python and Java, al ...

Senior Software Engineer Finance Trading Platform (London)

SoCode Recruitment is seeking a Contract Senior Software Engineer to join a private equity firm in London for up to 6 months. The successful candidate will develop and support P&L and accounting applications, manage data exchanges, and collaborate with financial teams. You'll need 8+ years of experience in Pytho ...

Senior Information Architect & Data Strategy Leader

JPMorgan Chase is hiring a Lead Architect in London to enhance the Corporate Investment Bank's Information Architecture. This role involves collaborating with various teams to develop high-quality architecture solutions for software applications. Candidates should have strong software engineering experience, spe ...

Senior Software Engineer

As a Senior Software Engineer, you will work closely with front‑office users to design and deliver bespoke user interfaces and platform enhancements integrated into proprietary trading systems. You will take ownership of greenfield development initiatives, lead technical delivery on selected projects, and ...

Engineering Manager Pre Funding, London (Hybrid)

A leading finance technology company in London seeks an Engineering Manager for Pre-Funding. In this role, you will lead a team of software engineers to deliver impactful software solutions. You will collaborate with product management for strategic planning, ensure best practices in development, and support tea ...

Senior Java Development Manager Banking

Overview Senior Java Development Manager Banking — TieTalent. This is a new and exclusive opportunity for a strong Java software development leader to join a front office software development team focused on Sales and Trading Derivatives platforms. This is a permanent, hybrid role in London with a ...

Software Engineering Team Lead

Overview Lead Crypto Software Engineer – Front-Office role in the Digital-Markets Group, London (5 days on-site). Package to £180k + bonus. About the firm For ten years this boutique digital-asset powerhouse has been laying the tracks that institutional money runs on. Its three eng ...

Java 8 Software Engineer | £500 £550 | Inside IR35 | 6 Months | Hybrid Remote

Job Description If you are considering sending an application, make sure to hit the apply button below after reading through the entire description.Java 8 Software Engineer | £500 – £550 | Inside IR35 | 6 Months | Hybrid Remote We’re recruiting for experienced Java Engineers with strong experie ...

Graduate Software Engineer: High Performance Systems

A dynamic technology firm in London is seeking a Graduate Software Engineer to join their innovative team focused on high-performance systems. The role promises hands-on experience in developing low-latency solutions for market data and requires a strong foundation in programming languages like Java and Python. ...

Production Blockchain & DLT Software Engineer II

A global financial services firm in London is seeking a Software Engineer II. This role involves designing and delivering blockchain applications using Java, Python, and TypeScript. Responsibilities include developing scalable services, engaging in knowledge sharing, and working collaboratively to implement DLT ...

Forward Deployed Software Engineer Intern: World Impact

A leading technology firm in the UK is offering an internship as a Forward Deployed Software Engineer. Interns will work closely with customers, leveraging cutting-edge technology to address critical challenges in various industries. Candidates should have an engineering background and proficiency in programming ...

Backend Engineer — Scale High‑Traffic Apps (Remote)

A leading eCommerce platform in Greater London is looking for an experienced Backend Software Engineer to join on a permanent basis. You will work in a cross-functional team and contribute to the development of high-quality solutions utilized by over a million active users. The ideal candidate should have experi ...

Junior Java Developer Listed Derivatives

Join to apply for the Junior Java Developer-Listed Derivatives role at eClerx Join to apply for the Junior Java Developer-Listed Derivatives role at eClerx Direct message the job poster from eClerx Location: London < ...

Asset & Wealth Management Software Engineer Associate London

Asset & Wealth Management - Software Engineer - Associate - London Job Description The Private Wealth Management (PWM) business provides end to end Investment Management services and advice across a large range of asset classes for high net worth individuals. PWM leverages a global tech ...

DV Cleared Data Science Engineer | Cloud Data Platforms

A prominent recruitment agency is searching for a Data Science Engineer to support a public sector programme in the UK. This role involves designing robust data processing systems for analytics and machine learning. Candidates should have a strong software engineering background in languages like Java, Python, o ...

Staff Platform Engineer – Core Cloud Platform

Fanatics is seeking a Staff Platform Engineer to join our Platform Engineering team based in the UK or Ireland. This role is essential for overseeing the platforms that power Fanatics Betting & Gaming’s software ecosystem. Responsibilities include driving technical design, architecting cloud-native platforms on ...

Infrastructure Engineer Linux £50K

Our client is a leading software-as-a-service (SaaS) company, building cutting-edge data platforms for companies around the world. In their central London office, with hybrid working, they’re looking to hire an Infrastructure Engineer / Systems Administrator with good Linux knowledge. You’l ...

Java Software Engineer Java, Low latency, financial services background, and hands on coding skills

Must Have – Java, Low-latency, financial services background, and hands on coding skills Our app relies heavily on async development, we use vertex. it takes significant time to switch perspective. And to lead he need to already have significant intuition with that, and some modern ...

Java Software Engineer Java, Low latency, financial services background, and hands on coding skills

Must Have – Java, Low-latency, financial services background, and hands on coding skills Our app relies heavily on async development, we use vertex. it takes significant time to switch perspective. And to lead he need to already have significant intuition with that, and some modern ...

Java Software Engineer Java, Low latency, financial services background, and hands on coding skills

Must Have – Java, Low-latency, financial services background, and hands on coding skills Our app relies heavily on async development, we use vertex. it takes significant time to switch perspective. And to lead he need to already have significant intuition with that, and some modern ...

Java Software Engineer Java, Low latency, financial services background, and hands on coding skills

Must Have – Java, Low-latency, financial services background, and hands on coding skills Our app relies heavily on async development, we use vertex. it takes significant time to switch perspective. And to lead he need to already have significant intuition with that, and so ...

Java Software Engineer Java, Low latency, financial services background, and hands on coding skills

Must Have – Java, Low-latency, financial services background, and hands on coding skills Our app relies heavily on async development, we use vertex. it takes significant time to switch perspective. And to lead he need to already have significant intuition with that, and so ...

Lead Developer London Stock Exchange Group

Lead Java Developer Business Unit: FTSE Russell - Index Platform Company: London Stock Exchange Group (LSEG) About The Role We are seeking a highly skilled and hands‑on Lead Java Engineer with AI proficiency to help build the next generation FTSE Russell ...

Senior Lead Backend Platform Engineer | Spring Boot

A major financial institution in Greater London is seeking a Senior Lead Software Engineer to develop backend libraries using Java and Spring Boot. This role requires strong technical expertise, problem-solving abilities, and collaboration with product engineering teams. The candidate will drive standardization ...

Software Engineer

I am looking for a Software Engineer to join a leading AI cybersecurity startup who recently secured an additional $20 million in Series A funding. This investment will support the continued scaling of their platform, which experienced nearly 5x growth over the past year alone. This Software Engineer ...

Software Engineer

I am looking for a Software Engineer to join a leading AI cybersecurity startup who recently secured an additional $20 million in Series A funding. This investment will support the continued scaling of their platform, which experienced nearly 5x growth over the past year alone. This Software Engineer ...

Software Engineer | High Frequency Trading

Software Engineer - Quantitative Finance 40+ top trading firms seeking exceptional engineers. Multiple immediate openings. What you'll do: Build trading systems and market data infrastructure Develop ...

Senior Software Developer

2 days ago Be among the first 25 applicants If you're interested in progressing your career in developing innovative tools and being part of a hands-on, collaborative, project-based approach to solving data challenges, then we'd love to hear from you.The Special Projects team is Quick Release's i ...

Principal Software Engineer

Are you an experienced Principal Software Engineer looking to work on cutting-edge technology and make a meaningful impact on users' daily lives in the medical field? If so, we invite you to apply below.As the Principal Software Engineer, you'll bring a wealth of cloud-native expertise, taking on t ...

Principal Software Engineer

Are you an experienced Principal Software Engineer looking to work on cutting-edge technology and make a meaningful impact on users' daily lives in the medical field? If so, we invite you to apply below.As the Principal Software Engineer, you'll bring a wealth of cloud-native expertise, taking on t ...

Software Engineer | High Frequency Trading

Software Engineer - Quantitative Finance 40+ top trading firms seeking exceptional engineers. Multiple immediate openings. What you'll do: Build trading systems and market data infrastructure Develop ...

Senior Backend Engineer Golang Security

Senior Software Engineer - Golang Information Security£(Apply online only) per day - Inside IR35 3 days per week on-site, 2 days WFH 3 Month rolling contract up to 2 yearsJob SummaryThe Information Security team is responsible for developing services to find and mitigate security ...

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