Lead Software Engineer Python Java Jobs in London, UK

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Back end Developer (Java &Spring Boot/Python)

Salary: £55k to £65K Methods is recruiting for a Back-end Developer specialising in Java Spring Boot and Python to join our team within the private Sector Business unit on a permanent basis.This is a hybrid role, requiring three days a week on-site in our London office.</st ...

Back end Developer (Java &Spring Boot/Python)

Salary: £55k to £65K Methods is recruiting for a Back-end Developer specialising in Java Spring Boot and Python to join our team within the private Sector Business unit on a permanent basis.This is a hybrid role, requiring three days a week on-site in our London office.</st ...

Back end Developer (Java &Spring Boot/Python)

Salary: £55k to £65K Methods is recruiting for a Back-end Developer specialising in Java Spring Boot and Python to join our team within the private Sector Business unit on a permanent basis.This is a hybrid role, requiring three days a week on-site in our London office.Requireme ...

Software Engineer (Systematic Hedge Fund)

Software Engineer – Java / Python London (On-site) This is a hands-on software engineering role within a systematic hedge fund where technology sits at the core of the business. The systems you build directly support trading, research, an ...

Senior Software Engineer, Unified Platform — Global Market Data

A financial services company in London is looking for a Senior Software Engineer to join their Unified Platform team. The role involves developing innovative systems to support research and trading, requiring over 5 years of software development experience and strong skills in Java and Python. The engineer will ...

Senior Software Engineer, Unified Platform (Data at Scale)

A leading trading firm is seeking a Senior Software Engineer to join their Unified Platform organization. You will develop innovative software solutions to process large-scale data, partnering closely with internal users. The ideal candidate has 2-3 years of experience in platform-level software development and ...

Field Deployments Software Engineer for Autonomous Systems

Understanding Recruitment is hiring a Deployed Software Engineer in Greater London, UK. This role involves deploying cutting-edge AI software into real operational environments while collaborating with customers and users. Candidates must have strong software engineering skills in languages such as Python, C++, ...

Python Software Engineer : Quant Trading Fintech : London : £200k

Bleeding edge quant hedge fund client who operate technologically at the top of the market are currently seeking an experienced Python Software Engineer/Developer. In this high performance computing team, you will be responsible for building automated software solutions which are used across ...

Software Engineer (Python/React) Up to 140k + Bonus

Software Engineer (Python / React) Location: London (Hybrid) Experience: 1-5 Years Sector: Elite FinTech Firm Compensation: Up to £140,000 Base + Industry Leading Bonus + Comprehensive Packa ...

Software Engineer (Python/React) Up to 140k + Bonus

Software Engineer (Python / React) Location: London (Hybrid) Experience: 1-5 Years Sector: Elite FinTech Firm Compensation: Up to £140,000 Base + Industry Leading Bonus + Comprehensive Packa ...

Python Software Engineer : Quant Trading Fintech : London : £200k

Bleeding edge quant hedge fund client who operate technologically at the top of the market are currently seeking an experienced Python Software Engineer/Developer. Any additional information you require for this job can be found in the below text Make sure to read thoroughly, then apply. ...

Cloud Software Engineer (Python / GoLang) £50k + 10% bonus

3 days in the office - Surrey Innovation for the transportation and motorsports industry.... Opportunities to learn from the best and hone your skills across engineering do not come around often. This is excellent timing, the team are looking for a uni graduate with 2+ years under the ...

Python Software Engineer – Hybrid London, Up to £140k

An elite tech firm in London seeks a Software Developer (Python) offering a competitive salary of up to £140,000 plus bonus and package. The role involves working on some of the highest performing technology platforms worldwide, collaborating with a select group of top talent. The company values its Software Eng ...

Mid Level Software Engineer (Python) RegTech 2026 UK

Suade is building world-leading regulatory technology aimed at preventing the next financial crisis. Our success is built on the ability of our engineers to work hand-in-hand with domain experts, translating concepts from finance and regulation into code. The RegTech Engineer is at the core of this and is ...

Mid Level Software Engineer (Python) RegTech 2026 UK

Suade is building world‑leading regulatory technology aimed at preventing the next financial crisis. Our success is built on the ability of our engineers to work hand‑in‑hand with domain experts, translating concepts from finance and regulation into code. The RegTech Engineer is at the core of this and is ...

Software Engineer (Python/React) Up to 140k + Bonus

Software Engineer (Python / React) Location: London (Hybrid) Experience: 1-5 Years Sector: Elite FinTech Firm Compensation: Up to £140,000 Base + Industry Leading Bonus + Comprehensive Packa ...

Python Software Engineer : Quant Trading Fintech : London : £200k

Bleeding edge quant hedge fund client who operate technologically at the top of the market are currently seeking an experienced Python Software Engineer/Developer. In this high performance computing team, you will be responsible for building automated software solutions which are used across ...

Hybrid Python Software Engineer — Cybersecurity R&D (London)

Darktrace Ltd is seeking a Specialist Software Engineer, Python to join their dynamic R&D teams in London. This hybrid position requires attendance in the London office at least 2 days a week, focusing on prototyping and developing innovative solutions against cyber threats. Candidates should demonstrate strong ...

Senior Quant Software Engineer Python/C++ for Production

Hunter Bond is seeking a Senior Quant Software Developer to join a leading quantitative investment fund in London. In this role, you'll collaborate with elite researchers to develop high-performance systems in Python and C++. Key responsibilities include optimizing system performance and building data pipelines. ...

Senior AI/ML Software Engineer Python, AWS & Kubernetes

JPMorgan Chase & Co. is seeking a Lead Software Engineer to join their Applied Artificial Intelligence and Machine Learning team in Greater London. This role focuses on transforming banking operations by integrating AI/ML solutions and developing robust APIs and services. The ideal candidate will have proven exp ...

Python Software Engineer – Quantitative Hedge Fund : £120 180k

Are you a world-class Python engineer ready to push your technical limits in one of the most intellectually rigorous environments in finance? Our client is a leading quantitative investment fund—combining deep research, cutting‑edge data science, and sophisticated trading systems to deliver excep ...

Mid Level Software Engineer (Python) RegTech 2026 UK

Suade is building world‑leading regulatory technology aimed at preventing the next financial crisis. Our success is built on the ability of our engineers to work hand‑in‑hand with domain experts, translating concepts from finance and regulation into code. The RegTech Engineer is at the core of this and is ...

Software Engineer Python Ubuntu Pro client graduate level

Join to apply for the Software Engineer - Python - Ubuntu Pro client - graduate level role at Canonical Join to apply for the Software Engineer - Python - Ubuntu Pro client - graduate level role at Canonical Canonical is a l ...

Senior Backend Software Engineer (Python) in London NLPatent

Overview London, United Kingdom Posted 2 months ago This is a job posted by our partner Jooble Below is the snippet of the job description. To read the full text, please click on the Apply Now link. Qualifications 5+ years of commercial engineerin ...

AI Software Engineer — Build Scalable AI Apps (Python)

A financial technology firm in Greater London is looking to build a new software engineering team focused on applied AI. This role involves collaborating with diverse teams to develop scalable AI-driven applications that solve real-world problems. Strong programming skills in Python and exceptional analytical ab ...

Market Data Software Engineer (C++/Python) — Global Trading

A diversified trading firm is seeking a Software Engineer for its Market Data team. The role involves building and supporting a C++ technology stack for global trading operations. Candidates must have extensive experience with high-performance C++ applications, along with strong Python skills. Responsibilities i ...

Cloud Native Software Engineer (Python/React) – Azure Platform

A financial services company in London is seeking a Software Engineer for their Defined Benefits Team. The role involves designing, developing, and deploying enterprise-grade software. Key tasks include coding in Python and React, working with Azure services, and embedding best practices in DevOps. Ideal candida ...

Mid Level Software Engineer (Python) RegTech 2026 UK

Suade is building world- leading regulatory technology aimed at preventing the next financial crisis. Our success is built on the ability of our engineers to work hand-in-hand with domain experts, translating concepts from finance and regulation into code. The RegTech Engine ...

Mid Level Software Engineer (Python) RegTech 2026 UK

Suade is building world- leading regulatory technology aimed at preventing the next financial crisis. Our success is built on the ability of our engineers to work hand-in-hand with domain experts, translating concepts from finance and regulation into code. The RegTech Engine ...

Senior Software Engineer I Acquiring Platform Backend (Java)

Full-time Compensation: GBP 85,000 - GBP 105,000 - yearly Company Description Wise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed. Whether people and businesses are sending ...

Senior Java Software Engineer Quote API Engineering Enablement

Join the team behind Price Service —a mission‑critical HTTP API powering pricing and promotions across all of Tesco’s channels. From tills to websites and everything in between, our work touches the lives of over 28 million UK shoppers every week , with global reach on the horizon. We ...

Senior Software Engineer Global KYC and Onboarding Java

Senior Software Engineer - Global KYC and Onboarding - Java Full-time Compensation: GBP 85,000 - GBP 105,000 - yearly Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Wh ...

Senior Software Engineer Global KYC and Onboarding Java

Overview Wise is a global technology company, building the best way to move and manage the world’s money. Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to anot ...

Full Stack Software Engineer – Java/Spring (Onsite UK)

A leading technology company in the UK is seeking a full-time Software Engineer to join its growing teams in London, Gloucester, or Manchester. The ideal candidate will have full-stack experience, proficiency in Java with Spring Boot, and familiarity with modern JavaScript frameworks. This position offers compet ...

Staff Software Engineer: Java/Kotlin, Fintech Scale up

numi in London seeks a Staff Software Engineer to be a key player in their fintech accelerator. You’ll design and develop scalable business products, architect resilient solutions, and ensure high-performance code. Ideal candidates will have proficiency in Java or Kotlin, cloud-native architecture experience, an ...

Java Software Engineer Hybrid London, High Impact Backend

SGI is seeking a Java Software Engineer to work in London City on hybrid terms. The role involves delivering complex Java projects in high-impact investment banking environments. Ideal candidates will have experience in TDD, Agile methodologies, and building large-scale backend systems. The position emphasizes g ...

Senior Software Engineer, Cloud Web Apps (Java/JS)

Elsevier in Greater London is seeking a Software Engineer III to contribute to the development of ScienceDirect's cloud-hosted web applications. This role entails designing, developing, and deploying applications while collaborating with product teams. Candidates should be proficient in Java, Spring, and JavaScr ...

Senior Software Development Engineer in Test (Java & Selenium)

Overview Uneek have partnered with a leading energy company who provide cutting-edge cleantech solutions in their search for a Senior SDET to join their team. Their mission is to help utilities transition to a more sustainable, customer-focused future. Senior Software Development Enginee ...

Full Stack Software Engineer – Java/Spring (Onsite UK)

A leading aerospace and defense company in the UK seeks a Software Engineer to join its teams in various locations. This full-time role involves designing and building software for critical projects in a cross-functional team environment. Candidates should have full stack experience, Java development skills, and ...

Senior Java Software Engineer Quote API Engineering Enablement

Tesco UK • London • Hybrid • Full-Time • Permanent • Working hours 36 • Apply by 01-Jun-2026 Join the Engineering Enablement team at the heart of Quote Modernisation the most significant engineering transformations Quote has undertaken in recent years. Quote is the mission‑critical pricing and pr ...

Senior Java Software Engineer Quote API Engineering Enablement

Join the Engineering Enablement team at the heart of Quote Modernisation the most significant engineering transformations Quote has undertaken in recent years. Quote is the mission-critical pricing and promotions platform serving over 28 million UK shoppers every week across every channel, from tills to we ...

Senior Software Engineer I Acquiring Platform Backend (Java)

Company Overview Wise is a global technology company building the best way to move and manage the world’s money, aiming to simplify international payments and save users money. About The Role The Acquiring Platform team focuses on receiving payments internationally, providing an ...

Staff Software Engineer Java JVM Tech for Good

Staff Software Engineer / Developer (Java JVM Kotlin AWS React) 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 Univer ...

Staff Software Engineer Java JVM Tech for Good

Staff Software Engineer / Developer (Java JVM Kotlin AWS React) 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 Univer ...

Software Engineer (Systematic Hedge Fund)

Software Engineer – Java / Python Read all the information about this opportunity carefully, then use the application button below to send your CV and application.London (On-site) This is a hands-on software engineering role within a ...

Solution Engineer in London Coralogix

Hands-on experience in technical integrations and POCs Comfortable coding in any high-level programming language (Java, Go, Python) Strong hands-on knowledge of Kubernetes, AWS, Azure, GCP, Docker, Prometheus, and OpenTelemetry Coralogix transforms log data into actionable insights thr ...

Solutions Engineer: Cloud Integrations & POCs

Hands-on experience in technical integrations and POCs Comfortable coding in any high-level programming language (Java, Go, Python) Strong hands-on knowledge of Kubernetes, AWS, Azure, GCP, Docker, Prometheus, and OpenTelemetry Coralogix transforms log data into actionable insights thr ...

Senior Data Integration Platform Engineer

DRW Holdings, LLC. is looking for a Senior Software Engineer specializing in Data Integration, located in London. The ideal candidate will have 8+ years of experience in developing data-heavy software and expertise in Python, Java, or C#. Responsibilities include designing software services, driving architectura ...

DV Cleared Senior Software Engineer Cloud/Microservices

Energy Jobline ZR is seeking a Senior Software Engineer to join a leading defense/cyber security company in London. This permanent role offers a salary up to £100,000 plus a clearance bonus. The ideal candidate will hold current DV clearance and have experience with programming languages including Java, Python, ...

Site Reliability Engineer: Resilience & Performance Architect

HCLTech in Greater London seeks a skilled software engineer to develop and support Python, Java, and machine learning applications. The role involves researching innovative solutions to enhance infrastructure performance and implementing frameworks for reliability and data availability. Candidates will benefit f ...

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