Lead Software Engineer Python Java Jobs in London, UK

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VP Lead Java Engineer, Equities Derivatives Platform

A leading financial services firm in Greater London is looking for a Lead Software Engineer for the Equity Derivatives Group. This role involves developing innovative software solutions and collaborating with a global team of engineers, traders, and product owners. Ideal candidates have a strong background in Ja ...

Senior Lead Backend Platform Engineer Java/Spring

A leading financial services firm in London is seeking a Senior Lead Software Engineer to design and maintain backend libraries and frameworks using Java and Spring Boot. The role requires strong collaboration with product engineering teams and a commitment to driving standardization within the development workf ...

Lead Java Engineer – Real Time Trading Platform

A leading FinTech innovator in London is looking for a Java Developer to build their next-generation, low-latency trading platform. This role involves developing high-performance systems in Java, optimizing multithreading, and collaborating with a team of experts. The ideal candidate has a degree in Computer Sci ...

Senior Lead Backend Engineer — Java & Kotlin (Fintech)

A leading financial services firm is seeking a Senior Lead Software Engineer to join its new team focused on innovative fintech solutions. This role involves problem-solving, developing secure code, and working collaboratively in an agile environment. Ideal candidates have experience in Java and Kotlin, with a p ...

Senior Java Engineer, Equinox Platform Lead (Hybrid)

Citigroup Inc. is looking for a Senior Java Engineer in Greater London to drive innovation in the Equinox team within Equity Derivatives Tech. This role involves architecting solutions, collaborating with stakeholders, and mentoring junior engineers. You will work with technologies such as Java, REST APIs, and C ...

Lead Backend Platform Engineer Java & Spring Boot

A global leader in financial services is seeking a Senior Lead Software Engineer to drive backend development efforts using Java and Spring Boot. The ideal candidate will design scalable, reliable libraries and frameworks tailored to product engineering needs, while championing best practices and coaching team m ...

Global Lead Java Engineer Markets CRM Platform

A leading financial services firm is seeking a VP Engineer for its Markets CRM platform. In this role, you will lead a global team to design and deliver scalable technology solutions while driving technical excellence and fostering a collaborative culture. You will be responsible for both front-end and back-end ...

Lead Backend Engineer — Java/Kotlin, FinTech Focus

A global financial services leader is hiring a Lead Software Engineer to drive innovative solutions and enhance customer experiences. You will work with JVM-based languages (Java/Kotlin) and be part of a team committed to ethical practices and collaboration. The ideal candidate will contribute to developing secu ...

Lead Java Engineer: Low Latency Trading Systems

Grid Dynamics is seeking Senior and Principal Java Developers to work on a high-performance trading project for a major financial institution. Candidates should have deep knowledge of Java and the JVM, strong experience with low-latency systems, and familiarity with microservice architectures. You’ll be part of ...

Lead Backend Engineer Remote, Java/Kotlin, Equity

We are a start-up between pre-seed and seed investment rounds disrupting the construction industry. We started writing code in Jan 2022. Our crew is less than 10 members with several ex-Revolut employees among founders. One of the founders has built up a ~$100,000,000 revenue construction business and ...

Senior Lead Java Engineer — Global Liquidity Tech

A global financial institution is seeking agile technologists to join their Global Liquidity Technology team in London. Candidates should possess excellent knowledge of core Java (17+) and practice TDD and BDD engineering techniques. The role involves delivering high-quality solutions while working closely with ...

Senior Lead Backend Engineer — Java & Kotlin (Fintech)

A leading financial services firm in Greater London is seeking a Senior Lead Software Engineer. The successful candidate will drive innovative product solutions while prioritizing collaboration and diversity in a tech-driven environment. Responsibilities include developing scalable and secure code, problem-solvi ...

Senior Lead Java Engineer Hybrid, Cloud & Microservices

A leading financial markets infrastructure provider in Greater London is seeking a Senior Lead Java Engineer to join the SwapClear Interfaces development team. This role focuses on designing and maintaining Java-based applications crucial for clearing operations, collaborating in an Agile environment with a stro ...

Lead Site Reliability Engineer SRE Java FinTech

Lead Site Reliability Engineer SRE Java - FinTech Lead Site Reliability Engineer SRE Java - FinTech Get AI-powered advice on this job and more exclusive features. This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recr ...

Senior Backend Engineer Java & Spring Boot Lead

Aristocrat is seeking a Senior Software Engineer (Backend) to design and build scalable cloud-based services using Java and Spring Boot. In this role, you will collaborate across teams, mentor junior engineers, and ensure high-quality backend systems that drive critical business functions. With 5–8+ years of exp ...

Lead Software Engineer Lead AI/ML Platform Engineer

Job Description Are you passionate about building innovative technology that powers AI and machine learning across a global organization? As part of our team, you’ll help shape the future of model deployment at scale, collaborating with talented engineers and data scientists. You’ll have the oppo ...

Lead Platform Engineer, Core Banking (Go/Python)

A leading global financial services firm based in Greater London is searching for a Lead Software Engineer. This position involves designing and developing scalable microservices, mentoring team members, and crafting high-quality production code. Candidates should have advanced knowledge in programming languages ...

Lead Python & AWS AI/ML Cloud Engineer

A global financial services firm is seeking a Lead Software Engineer who specializes in AWS and Python, focusing on innovative machine learning solutions. This position requires collaboration with data scientists and engineering communities to develop and maintain high-quality applications. Responsibilities incl ...

Lead Data Engineer Python, SQL Vice President

Are you ready to shape the future of data engineering at JPMorgan Chase? Join a dynamic team where your unique skills will help build innovative solutions and contribute to a winning culture. You’ll have opportunities for career growth, collaborate with talented professionals, and make a real impact on our ...

Lead Data Engineer Python, SQL Vice President

Are you ready to shape the future of data engineering at JPMorgan Chase? Join a dynamic team where your unique skills will help build innovative solutions and contribute to a winning culture. You’ll have opportunities for career growth, collaborate with talented professionals, and make a real impact on our ...

Lead Python Engineer – Data Driven, Scalable Systems

A leading insurance company in Greater London is seeking a Technical Lead - Python to guide a talented engineering team and drive technical excellence. This hands-on role requires solid Python skills, experience with SQL, and the ability to communicate complex ideas clearly. The ideal candidate will shape the te ...

Lead Data Engineer Python, SQL Vice President

Are you ready to shape the future of data engineering at JPMorgan Chase? Join a dynamic team where your unique skills will help build innovative solutions and contribute to a winning culture. You’ll have opportunities for career growth, collaborate with talented professionals, and make a real impact on our ...

Lead Python Engineer – Asset & Wealth Data Platform

A global financial services firm seeks a Lead Software Engineer in the Asset & Wealth Management sector to develop and implement data and analytics solutions. You will work on enhancing data platforms, automating processes, and collaborating with cross-functional teams to drive innovation. Ideal candidates have ...

Senior Python Engineer AI Agents & Team Lead

A leading engineering consultancy in Greater London is seeking a Senior Python Developer to design, develop, and maintain applications and APIs. The candidate will lead a small development team and integrate AI Agents with various systems. Required skills include strong Python development, experience with LangGr ...

Lead Data Engineer Python, SQL Vice President

Job Description Are you ready to shape the future of data engineering at JPMorgan Chase? Join a dynamic team where your unique skills will help build innovative solutions and contribute to a winning culture. You’ll have opportunities for career growth, collaborate with talented professionals, and ...

Lead Python Engineer for Scalable Data Platforms

A leading insurance company is seeking a Technical Lead - Python to guide an engineering team in developing high-quality solutions. This hands-on leadership role involves designing complex systems, mentoring engineers, and driving improvements in automation and tooling. The ideal candidate has strong Python and ...

Lead Data Engineer Python, SQL Vice President

Are you ready to shape the future of data engineering at JPMorgan Chase? Join a dynamic team where your unique skills will help build innovative solutions and contribute to a winning culture. You’ll have opportunities for career growth, collaborate with talented professionals, and make a real impact on our ...

Lead Python API Engineer — Hybrid, FastAPI, FinTech

Client Server is seeking a Lead Software Engineer in Greater London, offering a salary up to £120k and flexible working from home. You'll head a talented tech team focused on enhancing the core banking platform while mentoring junior developers. The ideal candidate will have strong Python expertise, team leaders ...

Lead Full Stack Engineer Python React FastAPI

Lead Full Stack Engineer / Developer (Python React FastAPI) London / WFH to £70k Are you a full stack technologist with leadership skills? You could be progressing your career at a global, not-for-profit organisation that helps to protect the rights and revenue of record producers and mus ...

Lead Python Engineer – Cloud Native Systems & Architecture

Velocity Tech is seeking a Lead Software Engineer based in Greater London to design and deliver scalable cloud-native systems. This hands-on leadership role involves shaping architecture, leading engineering efforts, and mentoring a talented team. The ideal candidate will have over 7 years of experience as a Sen ...

Lead Python Backend Engineer for Climate Tech

trg.recruitment is hiring a Lead Backend Engineer to lead a small squad and own the technical direction in a climate-tech non-profit. This role is focused on developing scalable backend services using Python and FastAPI, tackling complex mathematical optimization challenges. With 7+ years of experience, you'll m ...

Lead Python Engineer Asset & Wealth Analytics Platform

A leading financial services firm in London is seeking a Lead Software Engineer to join their Asset & Wealth Management Data & Analytics team. This role involves architecting solutions on a federated data platform while collaborating with Quantitative Research teams. Candidates should have experience with cloud ...

Lead Python Engineer Asset & Wealth Data Platform

A leading global financial services firm is seeking a Lead Software Engineer to design and implement innovative analytics solutions. This role involves developing high-quality code, collaborating with teams while ensuring operational stability. Candidates should have expertise in cloud technologies like Snowflak ...

Senior Python Engineer Lead Medical Tech Platform

A technology company specializing in healthcare is searching for a technical leader to enhance medical innovations. In this role, you will develop solutions that improve healthcare outcomes while fostering best practices across multiple teams. Candidates should have strong technical skills and experience in ment ...

Lead Python Engineer: Architect & Cross‑Team Leader

Partnerize is looking for a Lead Python Engineer to produce clean, testable, and maintainable designs and lead a cross-functional team. The ideal candidate will have extensive experience with Python, software architecture, and Agile methodologies. Responsibilities include solving technical problems, leading init ...

Lead Python / Typescript Engineer National Security AI

Lead Python / Typescript Engineer - National Security AI Principal Engineer / Hands-on Technical Lead Permanent | £80,000 – £100,000 | South East (Hybrid)SC clearance required or eligible We are seeking a Principal Engineer to take ownership of technical delivery for ...

Lead Full Stack Engineer Python React FastAPI

Lead Full Stack Engineer / Developer (Python React FastAPI) London / WFH to £70kAre you a full stack technologist with leadership skills?You could be progressing your career at a global, not-for-profit organisation that help to protect the rights and revenue of record producers and music ...

Lead Python Engineer – Social Media Scale Up

Job Description The Role As a senior / Lead python engineer you will join this business at the early stages of a greenfield platform build. You will work closely with the director of engineering and product to deliver a highly scalable backend of a next generation social med ...

Lead Python Engineer – Social Media Scale Up

Job Description The Role As a senior / Lead python engineer you will join this business at the early stages of a greenfield platform build. You will work closely with the director of engineering and product to deliver a highly scalable backend of a next generation social med ...

Lead Full Stack Engineer Python React FastAPI

Lead Full Stack Engineer / Developer (Python React FastAPI) London / WFH to £70kAre you a full stack technologist with leadership skills?You could be progressing your career at a global, not-for-profit organisation that help to protect the rights and revenue of record producers and music ...

Senior Infrastructure & Deployment Engineer

Principal Software Engineer, Nifty Gateway 108 E 16th Street, New York, NY 10003 Qualifications Deployment and infrastructure tooling Experience with one or more programming languages including but not limited to: Go, Node.js, Python, Scala, or Java Experienc ...

Fullstack Engineer: Build AI Driven Data Tools

A leading technology company in London is looking for a Fullstack Software Engineer to join their team. The successful candidate will develop tools for data integration and visualization while optimizing machine learning models. Strong experience in Java and Python, paired with an interest in AI technologies, is ...

Staff Infrastructure Engineer in London Sotheby's

Principal Software Engineer, Nifty Gateway 108 E 16th Street, New York, NY 10003 Qualifications Deployment and infrastructure tooling Experience with one or more programming languages including but not limited to: Go, Node.js, Python, Scala, or Java Experienc ...

Field Deployment Software Engineer for Autonomous Systems

A leading defence technology company in the UK is seeking a Deployed Software Engineer to implement their technology with customers. The role involves travelling to customer sites, writing code, and collaborating with engineers. Ideal candidates will have a degree in a relevant field and strong programming skill ...

DevOps Engineer: Scalable, Secure FinTech Infra

Apache Associates is seeking a talented DevOps Engineer in London, UK. Play a pivotal role in designing and deploying scalable DevOps solutions while working across various data platforms and orchestration frameworks. Ideal candidates have a strong software engineering background with proficiency in Python, Java ...

Remote Cloud Native Platform Engineer (Kubernetes, GCP)

Oliver Bernard is seeking a Mid-Level Platform Engineer with a strong software engineering background to join a digital transformation project. This remote-first role focuses on Cloud Native technologies and optimizing processes with a team of four engineers. Required experience includes GCP, Kubernetes, Terrafo ...

Senior Backend Engineer Scalable Distributed Systems

Wise is looking for a Senior Software Engineer I to work on Account Communications in London. You'll improve delivery reliability and evolve platform infrastructure. Ideal candidates will know backend languages like Java, Kotlin, Python, or Go. Strong experience in designing scalable systems is required. Compens ...

Ultra Low Latency Trading Engineer (C++/Rust) – London Hybrid

Hunter Bond is seeking a highly skilled Software Engineer to join their London-based team. The role involves designing and optimizing trading platforms for high-performance, ultra-low-latency environments. Applicants should have a degree in Computer Science or Engineering and experience with C++, Python, Rust, o ...

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