Lead Software Engineer Python Java Jobs in London, UK

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Data Engineer Python Quant Finance

Overview A leading global trading firm is seeking a Data Engineer to join their London office, working closely with many of their trading teams. This role sits within a team that focuses on building and maintaining mission-critical data infrastructure that supports trading and research strategies ...

Data Engineer (Python Enterprise Developer)

LocationLondon, England, United Kingdom# Data Engineer (Python Enterprise Developer) at N Consulting LtdLocationLondon, England, United KingdomSalary£300 - £350 /yearJob TypeContractDate PostedFebruary 27th, 2026Apply NowWork mode: Hybrid (with 4 days a week at London, Canary Wharf) Contract duration: Long term ...

Full stack Engineer (Python & Typescript)

Job Description We are seeking a Full‑Stack Engineer to join the PRoboT product team as one of its first engineering hires. This role will work hands‑on across the full technology stack, partnering closely with the Product Engineering Lead to build, scale, and mature the platform. The successful ...

Full stack Engineer (Python & Typescript)

Overview Legal & General (L&G) is a leading UK financial services group and major global investor. We’ve been safeguarding people’s financial futures since 1836, and strive to build a better society, while improving the lives of our customers and creating value for shareholders. We are one of the ...

Remote Python Engineer: Automation & Microservices

Hamilton Barnes Associates Limited is seeking a Python developer to rebuild legacy automation scripts into Python-based microservices. The role involves designing a new automation framework and collaborating with teams on scalable solutions. Must have strong Python experience, understanding of DevOps practices, ...

Senior Quant Automation Engineer: Python

Options Group is looking for a Python Developer in Greater London focusing on Digital and Automation for a major energy trader. You will design scalable automation applications, collaborate with teams to enhance processes, and utilize innovative technologies like Intelligent Document Parsing and Large Language M ...

Fixed Income Risk Engineer (Python)

Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology and data driven group implementing a scientific approach to investing. Combining data, research, technology and trading expertise has sh ...

Full Stack Engineer (Python/TS)

Mid-Level Full-Stack Engineer | Up to £75k + Equity | London A funded AI startup in central London is looking for a mid-level full-stack engineer to join a small, fast-growing team. They help organisations actually embed AI into their teams' daily workflow ...

Senior Distributed Compute Engineer (Python)

Hunter Bond is seeking a Distributed Compute Engineer in London to build next-generation compute systems. You'll design and develop systems for orchestrating workloads across vast distributed environments. The role requires 4+ years in production systems using Python and a strong understanding of distributed sys ...

Full Stack Engineer (Python / React)

Senior Full StackEngineer – Asset Management & Private Markets (Python / React) £100,000 - £120,000 + 20% Bonus A global financial services firm with a market-leading asset management platform is investing heavily in technology and is expanding its London engineering team. This ro ...

Quantitative Python Engineer: Data & Optimisation

Jobs via eFinancialCareers seeks a Senior Associate responsible for enhancing data handling solutions through Python programming and collaborative projects. The role requires 2-5 years of experience in quantitative product development, a strong understanding of software best practices, and expertise in libraries ...

Python Infra Engineer – Remote/Hybrid

hackajob is seeking a Python Developer to join their Infrastructure team in Greater London. The role involves designing and integrating APIs, optimizing lending platforms, and collaborating with a team focused on innovative solutions. Ideal candidates should have strong Python experience, familiarity with FastAP ...

Python Developer Quant Infrastructure Engineer

We are seeking an experienced Python Tech Lead / Quant Infrastructure Engineer to support the development of a modern analytics and engineering platform within Credit and Capital Management. The role focuses on building scalable infrastructure, enhancing development tooling, and improving production enviro ...

Platform Engineer AWS Python Fintech

Platform Engineer AWS Python – Fintech (PR/ ) London, England Salary: GBP85000 - GBP per annum + bonus + benefits Platform Engineer (AWS Python) London / WFH to £100k Do you have expertise with AWS? You could be joining a growing and profitable scale‑up that is vi ...

Python Engineer (Hybrid in London)

Job Summary My client is looking for a skilled and experienced Python Developer with a strong background in Django, SQL/PostgreSQL, and hands‑on experience in the FinTech industry. The ideal candidate will play a key role in developing and maintaining robust backend systems that support financial ...

Senior Python Engineer (AI/ML)

Senior Python Engineer wanted by a thriving production AI company who are seeing fantastic growth. They are seeking a senior python engineer / senior python developer with strong recent AI/ML development experience, to help build production-grade AI systems that power complex, real-world op ...

Senior Python Engineer (Public API)

About Us Founded in 2019 and part of Y Combinator's 2020 cohort, Photoroom is the leading visual solution for e‑commerce. We have raised Series B funding and reached 300 + million users worldwide, processing over 5 billion images annually and serving both small businesses and major enterprises li ...

Backend Engineer, Platform & Integrations — Python

A Series A startup in Greater London is seeking Backend Engineers to design and build robust platform systems in Python and TypeScript. The role involves developing integrations, owning projects end-to-end, and collaborating with a high-caliber team. Ideal candidates will have strong experience in software engin ...

Python Engineer B2B SaaS Fintech

Landytech is on a mission to revolutionize the way that investment managers, asset owners and their advisors access asset information. Powered by Sesame, an industry-leading investment reporting platform, we are helping clients in over 15 countries make informed investment decisions and deliv ...

GenAI Engineer Python LLM Finance

GenAI Engineer / Software Developer (Python LLM RAG) London 12 month FTC to £180kAre you a Senior Software Engineer with a strong knowledge of the capabilities of GenAI?You could be progressing your career in a hands-on role at a tech driven, global Asset Manager with multiple billions of ...

Production Reliability Engineer (Python/Go)

Salary: up to 200k + bonusSummaryLeading HFT fund looking for an experienced Production Reliability Developer to join their London office.This is a high impact role where you will be responsible for the technical support of the direct trading environments during ...

Freelance Data Scraping Engineer (Python)

Mindrift is looking for highly skilled Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot – that’s how we refer to this role at Mindrift – you’ll collaborate with Tend ...

Platform Engineer AWS Python Fintech

Platform Engineer (AWS Python) London / WFH to £100kDo you have expertise with AWS?You could be joining a growing and profitable scale-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression.As a Platform Engin ...

Data Engineer (Python Enterprise Developer)

Work mode: Hybrid (with 4 days a week at London, Canary Wharf)Contract duration: Long term<span style=background-color:rgb(255,255,255);color:rgb(75, ...

Senior Data Scraping Engineer (Python)

Mindrift is looking for highly skilled Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot – that’s how we refer to this role at Mindrift – you’ll collaborate with Tend ...

GenAI Engineer Python LLM Finance

GenAI Engineer / Software Developer (Python LLM RAG) London 12 month FTC to £180kAre you a Senior Software Engineer with a strong knowledge of the capabilities of GenAI?You could be progressing your career in a hands-on role at a tech driven, global Asset Manager with multiple billions of ...

Python Engineer B2B SaaS Fintech

Landytech is on a mission to revolutionize the way that investment managers, asset owners and their advisors access asset information. Powered by Sesame, an industry-leading investment reporting platform, we are helping clients in over 15 countries make informed investment decisions and deliv ...

Freelance Data Scraping Engineer (Python)

Mindrift is looking for highly skilled Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot – that’s how we refer to this role at Mindrift – you’ll collaborate with Tend ...

Platform Engineer AWS Python Fintech

Platform Engineer (AWS Python) London / WFH to £100kDo you have expertise with AWS?You could be joining a growing and profitable scale-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression.As a Platform Engin ...

Senior Data Scraping Engineer (Python)

Mindrift is looking for highly skilled Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot – that’s how we refer to this role at Mindrift – you’ll collaborate with Tend ...

Data Engineer (Python Enterprise Developer)

Work mode: Hybrid (with 4 days a week at London, Canary Wharf)Contract duration: Long term<span style=background-color:rgb(255,255,255);color:rgb(75, ...

Production Reliability Engineer (Python/Go)

Salary: up to 200k + bonusSummaryLeading HFT fund looking for an experienced Production Reliability Developer to join their London office.This is a high impact role where you will be responsible for the technical support of the direct trading environments during ...

Contract Azure Data Engineer £600/pd Outside IR35

Contract Azure Data Engineer - £600/pd Outside IR35 Please note - this is a London based role which will require you to attend the London office three days per week. To be eligible for this role you must be based in the UK and have the unrestricted right to work in the UK. My client is lo ...

Contract Tech Lead Fullstack (Java/React)

Role: Technical Lead - Fullstack Rate: £500 Duration: 6 months Start Date: Early April Location: London On site requirement: 2dpw in London - City of London Office Who We Are: AND Digital are a tech co ...

FX Payments Tech Lead — Java & Microservices

A global financial services firm is looking for a Lead Software Engineer in Wholesale Payments to design and deliver secure, scalable technology products. This role involves executing software solutions, leading technical initiatives, and working collaboratively with cross-functional teams. The ideal candidate w ...

Contract Tech Lead Fullstack (Java/React)

Role: Technical Lead - Fullstack Rate: £500 Duration: 6 months Start Date: Early April Location: London On site requirement: 2dpw in London - City of London Office Who We Are: AND Digital are a tech co ...

Lead Java Developer Fixed Income Trading

A global workforce solutions company is seeking a Senior Java Developer to join their Fixed Income team in London. The role involves designing and developing core components, leading projects in trading channels and eCommerce, and ensuring system performance. Candidates should have at least 10 years of software ...

Java AI Engineering Lead – FinTech (Hybrid)

A leading FinTech company in London is looking for a Software Engineering Lead (Java AI) to manage a team of nine engineers. In this hybrid role, you will use AI tools to enhance the software development lifecycle, while providing technical leadership and mentorship. The company offers a salary up to £140k, a ra ...

Remote Lead Java Developer BrightBox Group

Skills: Java Scala Spring Hibernate Web Cloud Bash CSS Cucumber JSP JUnit JavaScript Jenkins MariaDB Nginx Python REST React Redux </ ...

Contract Tech Lead Fullstack (Java/React)

hackajob is collaborating with AND Digital to connect them with exceptional professionals for this role. Role: Technical Lead - Fullstack Rate: £500 Duration: 6 months Start Date: Early April Location: London On site requirement: 2dpw in Londo ...

Team Lead, Client Connectivity & Java/AWS

TP ICAP seeks a Development Team Leader in London to oversee development on client connectivity platforms. The role involves leading a team, managing software projects, and collaborating with various stakeholders. Essential qualifications include senior-level Java and FIX Protocol experience, leadership skills, ...

Lead Backend Developer Java, AWS & Kubernetes

A leading music company is seeking a Lead Developer to design, develop, and maintain external-facing royalty portals using Java. The role involves building AWS serverless solutions, working with Docker and Kubernetes, and providing technical leadership within the development team. Candidates should have strong e ...

Engineering Manager: Java Microservices & AWS Lead

Legal & General is seeking an Engineering Manager to lead backend platform development using Java and AWS. This pivotal leadership role involves guiding a cross-functional engineering team and ensuring high engineering standards. Responsibilities include driving technical strategies, overseeing code quality, and ...

Senior Java Lead | CIAM & Backend Architect

CAPGEMINI is seeking an experienced Lead Java Developer in Greater London to design and implement scalable CIAM solutions. The ideal candidate will have 8 years of Java experience, including a leadership role, and a deep understanding of IAM concepts. Responsibilities include backend development using Core Java, ...

Contract Tech Lead Fullstack (Java/React)

Role: Technical Lead - Fullstack Rate: £500 Duration: 6 monthsStart Date: Early AprilLocation: LondonOn site requirement: 2dpw in London - City of London Office </ ...

Contract Tech Lead Fullstack (Java/React)

Role: Technical Lead - Fullstack Rate: £500 Duration: 6 monthsStart Date: Early AprilLocation: LondonOn site requirement: 2dpw in London - City of London Office Who We Are:AND Digital are a tech company focused on ...

Contract Tech Lead Fullstack (Java/React)

Role: Technical Lead - Fullstack Rate: £500 Duration: 6 monthsStart Date: Early AprilLocation: LondonOn site requirement: 2dpw in London - City of London Office </ ...

Contract Tech Lead Fullstack (Java/React)

Role: Technical Lead - Fullstack Rate: £500 Duration: 6 monthsStart Date: Early AprilLocation: LondonOn site requirement: 2dpw in London - City of London Office Who We Are:AND Digital are a tech company focused on ...

Senior Python Backend Architect Lead & Mentor

An established technology firm is seeking a talented Senior Software Engineer in London. You will develop and maintain high-performance applications while mentoring junior engineers. The ideal candidate has 6–11 years of Python experience, is well-versed in Django or Flask, and has strong skills in building REST ...

Technical Lead Python, AI & Cloud Delivery

Velocity Tech is seeking a Technical Lead in Greater London to guide engineering teams in delivering scalable solutions. In this hands-on leadership role, you will mentor teams, engage directly with clients, and drive best practices across software engineering and DevOps. Ideal candidates should possess a strong ...

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