Lead Software Engineer Python Java Jobs in London, UK

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Graduate Test Engineer

Right to work in the UK unsponsored for the duration of the programme Ability to work on site, five days per week This role requires a high level of security clearance. We therefore require applicants to have been based in the UK for the last five years as a minimum. <b ...

Forward Deployed Reliability Engineer

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, a ...

Senior Full Stack Engineer

Role Description As a Senior Full Stack Software Engineer, you will join our world‑class engineering team in building the Verisian Platform. You will work on an application that exposes our clinical trial insights to data managers, statistical programmers, statisticians, medical experts/writers, ...

Two Sigma Securities, Production Engineer

Position Summary Two Sigma is a leading quantitative investment management and trading firm. The company applies a scientific approach to investing, combining cutting‑edge technology, artificial intelligence, data science, and quantitative research with rigorous human inquiry to capitalize on mar ...

Senior Full Stack Engineer

Role Description As a Senior Full Stack Software Engineer, you will join our world‑class engineering team in building the Verisian Platform. You will work on an application that exposes our clinical trial insights to data managers, statistical programmers, statisticians, medical experts/writers, ...

Research Engineer Post Training for Agentic Coding

Position description At Sonar, we are seeking an ambitious research engineer to join our cross‑disciplinary team, innovating and developing the next generation of solutions to build enterprise‑grade coding agents and models. You will harness Sonar’s deep experience in static analysis, and combine ...

Senior Backend Engineer

Via is using technology to transform transportation around the world. From changing a single person’s daily commute to reducing humanity’s collective environmental footprint — we’ve got huge goals.As a Senior Backend Engineer at Via, you’ll work within our R&D center as a member of our backend t ...

Senior Full Stack Developer (React / Python)

SQCE – Senior Full-Stack Developer About Us ClearRoute is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We help enterprises reliably bring high-impact digital products to market faster, cheaper, and safer, working with technology lead ...

Senior Full Stack Developer (React / Python)

SQCE – Senior Full-Stack Developer ClearRoute is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We help enterprises reliably bring high-impact digital products to market faster, cheaper, and safer, working with technology leaders facing co ...

Senior Full Stack Developer UK Security Clearance Eligibility required

Senior Full Stack Developer - UK Security Clearance eligibility requiredInternal Title: Senior Full Stack DeveloperLocation: London, UK (Hybrid - typically 1-2 days per month in office)Contract: Permanent, Full-time Packa ...

Senior DevOps Engineer

Senior DevOps Engineer – FinTech SaaS Scale-Up – London / Remote (Tech Stack: DevOps Engineer, AWS, Azure, Kubernetes, Docker, Linux, Istio, Terraform, Helm, Go, Python, C#, Prometheus, Grafana, ELK, Ansible, Concourse, Nexus, SonarQube, Cloud, DevOps Engineer) We’re looking for a Seni ...

OO Core Python Developer Fixed Income

Python Developer - Fixed Income Trading Technology We are currently recruiting for a Python Developer to join the Fixed Income trading technology team within a leading international investment bank. This is a core software engineering role focused on building and enhancing production trad ...

Senior Software Engineer/SRE TRAX Observability London, GBR Posted today

Senior Software Engineer / SRE – TRAX Observability Location: London Business Area: Engineering and CTO Ref #: About TRAX TRade Automation and eXecution (TRAX) is part of Bloomberg Enterprise Products Engineering. We build trade automation solutions and multipl ...

Senior Software Engineer/SRE TRAX Observability London, GBR Posted today

Senior Software Engineer / SRE – TRAX Observability Location: London Business Area: Engineering and CTO Ref #: About TRAX TRade Automation and eXecution (TRAX) is part of Bloomberg Enterprise Products Engineering. We build trade automation solutions and multipl ...

Machine Learning Quantitative Researcher

Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Alexander Chapman Recruitment Consultant at Alexander Chapman A top-tier systematic trading firm is seeking exceptional Quantitative Researchers to advance and optimize pr ...

Ubuntu Security Engineer

Join to apply for the Security Engineer - Ubuntu role at Canonical Join to apply for the Security Engineer - Ubuntu role at Canonical Canonical is a leading provider of open source software and operating systems to the globa ...

Full Stack Developer — Growth Driven, Hybrid Role

A technology consultancy in Greater London is seeking an experienced software developer to contribute to all stages of the software development lifecycle. The ideal candidate has over 2 years of IT experience, a degree in Software Engineering, and proficiency in Java and database management. This role offers a h ...

Senior Backend Developer

Overview At TripleTen, we’re creating innovative learning products that empower people to master IT professions like software engineering, data science, business intelligence, and QA — no matter their prior experience. Our AI-driven and thoughtfully designed platform helps students build real ski ...

Automation QA Engineer

About Us:At Dabster, we specialize in connecting top talent with leading global companies. We are currently seeking a skilled Automation QA Engineer to join our client's dynamic technology team in London. Our mission is to be the foremost recruitment specialist in securing except ...

Android Developer EdTech in London onebillion

Android Developer - EdTech London, United Kingdom Posted 10 months ago onebillion is a non‑profit software publisher dedicated to providing reading, writing, and numeracy education to marginalized children worldwide. Through their award‑winning app 'onecourse,' they offer personal ...

Forward Deployed Engineer

Forward Deployed Engineer - Autonomous AI We’re partnered with a globally renowned applied AI company building end-to-end autonomous software agents designed to fundamentally change how engineering teams operate. Their products combine advanced reasoning models with develop ...

Staff AI Engineer

About the Position As a Staff AI Engineer, you’ll serve as a technical leader for our LLM‑powered products at the forefront of marketing and advertising technologies. You’ll own critical architectural decisions, set quality bars, and lead multi‑team initiatives that drive measurable outcomes. </p ...

Software Development Manager

About us Buzzacott is a passionately independent and growing professional services firm. We are based in the City of London, with a satellite office in Hong Kong. We are partner led and focused on people – our team and our clients. We combine market leading sector expertise and excellent ...

VP Java FX Strat Quant Developer Investment Bank

Exclusive Search - Leading Global Investment Bank Are you a high-performance Java engineer with FX experience? My client, a top-tier global financial institution, is expanding its E-Trading FX Options Strategy team and is seeking a Vice President - Java FX Strategist to help drive one of the bank ...

Customer Solutions Engineer

Function: Customer Solutions and Success - Financial Services Recognised as a Great Place to Work, ITRS is an Enterprise SaaS provider with industry-leading solutions. Our prestigious customer base includes 90% of the world's top investment banks. We are backed by leading private equity invest ...

Customer Solutions Engineer

Function: Customer Solutions and Success - Financial Services Recognised as a Great Place to Work, ITRS is an Enterprise SaaS provider with industry-leading solutions. Our prestigious customer base includes 90% of the world's top investment banks. We are backed by leading private equity invest ...

QA Engineer (Electronic Trading)

Overview Company | Electronic trading & market infrastructure technology Work | QA Engineer Impact | Testing software that powers live equity markets across Europe Size | ~150 employees globally Tech | Linux / Unix, S ...

RPA Automation Developer Azure & Power Automate

Qualifications: Strong knowledge and experience with programming languages (e.g., Java, Python) Proficiency in web technologies (e.g., HTML, CSS, JavaScript) Familiarity with relevant technologies (e.g., XML, XSD) Skills: Experience in usi ...

Senior ML Engineer — Production Scale Multimodal Systems

Atarus is seeking talented individuals to join their well-funded AI company in the UK. The role involves building and scaling data platforms for large multimodal datasets and improving ML training infrastructure using PyTorch and Ray. Candidates should have significant experience in deploying models into product ...

Full Stack Polyglot Engineer in London Transparent Technology

Requirements: We seek candidates with experience in the following areas: Backend Programming: Proficiency in Python, Golang, Node, Java, Kotlin, or any solid programming language. Frontend Development: Experience with JavaScript or TypeScript, ...

Pre Sales Prototyper & Forward‑Deployment Engineer

A leading AI governance firm in the UK is seeking a hybrid talent who can rapidly design and build prototypes while engaging with senior executives. This role requires strong technical skills in languages such as Python, Java, and C++ and excellent communication abilities to represent the company in high-stakes ...

Blue Prism Developer (IT) in London LA International Computer Consultants Ltd

Qualifications: Strong knowledge and experience with programming languages (e.g., Java, Python) Proficiency in web technologies (e.g., HTML, CSS, JavaScript) Familiarity with relevant technologies (e.g., XML, XSD) Skills: Experience in usi ...

RPA Automation Developer Azure & Power Automate

Qualifications: Strong knowledge and experience with programming languages (e.g., Java, Python) Proficiency in web technologies (e.g., HTML, CSS, JavaScript) Familiarity with relevant technologies (e.g., XML, XSD) Skills: Experience in usi ...

Blue Prism Developer (IT) in London LA International Computer Consultants Ltd

Qualifications: Strong knowledge and experience with programming languages (e.g., Java, Python) Proficiency in web technologies (e.g., HTML, CSS, JavaScript) Familiarity with relevant technologies (e.g., XML, XSD) Skills: Experience in usi ...

Senior Software Development Engineer, CloudFront Control Plane, CloudFront

Key Job Responsibilities Collaborate with experienced cross-disciplinary Amazonians to conceive, design, and bring innovative products and services to market. Provide technical guidance to your team, design and build innovative technologies in a large distributed computing environ ...

Analyst, Quantitative Research

Job Purpose The Quantitative Analyst will join the Global Quantitative Research Group, which designs, implements, and supports enterprise quantitative models and systems. This role blends quantitative research and data science, focusing on model development, risk analytics, and large‑scale data e ...

Analyst, Quantitative Research

Overview The Quantitative Analyst will join the Global Quantitative Research Group, which designs, implements, and supports enterprise quantitative models and systems. This role blends quantitative research and data science, focusing on model development, risk analytics, and large-scale data engin ...

Staff Machine Learning Engineer

Overview The Personalization team makes deciding what to play next easier and more enjoyable for every listener. From Blend to Discover Weekly, we’re behind some of Spotify’s most-loved features. We built them by understanding the world of music and podcasts better than anyone else. Join us and y ...

Staff Machine Learning Engineer

Overview The Personalization team makes deciding what to play next easier and more enjoyable for every listener. From Blend to Discover Weekly, we’re behind some of Spotify’s most-loved features. We built them by understanding the world of music and podcasts better than anyone else. Join us and y ...

Lead Full Stack Web Developer Hedge Fund

We are looking for an experienced Lead Full-Stack Web Developer to join an established Hedge Fund. You will be hands‑on and involved throughout the entire software lifecycle; design, deployments and continuous improvement whilst leading a small global team. Requirements Strong exper ...

Lead Full Stack Web Developer Hedge Fund

We are looking for an experienced Lead Full-Stack Web Developer to join an established Hedge Fund. You will be hands‑on and involved throughout the entire software lifecycle; design, deployments and continuous improvement whilst leading a small global team. Requirements Strong exper ...

Manager, Sales Engineering

Role Overview Checkout.com is looking for an enthusiastic and talented Sales Engineer to join our fast‑growing team in London to support our clients with integrating our revolutionary online payments platform. This is a mid‑level position, and the successful candidate will be responsible ...

Manager, Sales Engineering

Role Overview Checkout.com is looking for an enthusiastic and talented Sales Engineer to join our fast‑growing team in London to support our clients with integrating our revolutionary online payments platform. This is a mid‑level position, and the successful candidate will be responsible ...

AI Architect / Technical Lead

Applicants will be screened and verified. We are working with a Healthtech Company in the UK to find an experienced AI Architect / Technical Lead to define and drive the technical vision, architecture, and delivery of enterprise‑grade AI and software systems. This is a hands‑on senior role ...

Senior Research Engineer

Flow Traders is looking for a Senior Research Engineer to join us in our London office. This is a unique opportunity to join a leading proprietary trading firm with an entrepreneurial and innovative culture at the heart of its business. We value quick-witted, creative minds and challenge them to make full ...

Forward Deployed Engineer

Forward Deployed Engineer - Autonomous AI We’re partnered with a globally renowned applied AI company building end-to-end autonomous software agents designed to fundamentally change how engineering teams operate. Their products combine advanced reasoning models with develop ...

Lead Engineer, Back End, Agentic intelligence

Join to apply for the Lead Engineer, Back End role at WPP Media 3 weeks ago Be among the first 25 applicants Join to apply for the Lead Engineer, Back End role at WPP Media About WPP MediaWPP is t ...

Engineering Manager

Engineering Manager - Hands on - Up to £180,000 + great benefits - One day a week in London My client is a leading software business in the security space and are now looking to build their first UK software engineering team. They were founded around 10 years ago, have circa 500 employees gl ...

Lead Backend Engineer: Scale, Microservices & Impact

A leading insurance technology firm is looking for a Lead Backend Engineer to shape the future of their platforms. You will lead teams to design Python microservices, drive architectural discussions, and mentor other engineers. Ideal candidates have a strong background in backend engineering and experience build ...

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