Software Engineer Python Java Data Jobs in London, UK

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Platform Engineer (Cloud)

A leading systematic Hedge Fund are looking for a Platform Engineer to join their AWS Cloud Platform Engineering team. The firm has over $30Bn in AUM and has recently been experiencing a period of tremendous growth, with every sign that this is going to continue. In this role, you would be r ...

Front Office Quant Analyst – Asset Backed Pricing (London)

A global investment firm is seeking a Quantitative Research Analyst to join their London team. The role involves performing data analysis, supporting Portfolio Managers, and developing pricing models. Candidates should have a strong background in quantitative analysis, asset pricing, and Python programming, with ...

Senior Power Platform Solutions Engineer

A community-focused housing organization in Greater London seeks a skilled Solutions Developer to help digitize and automate processes. The ideal candidate will design robust data structures and manage complex integrations. You should be proficient in JSON and PowerFX, with knowledge of Python and JavaScript bei ...

APAC Typhoon Research Lead Catastrophe Modeling

A leading research organization seeks a Typhoon Research Lead APAC to lead risk evaluations and significant research projects. The ideal candidate has expertise in catastrophe modelling, experience in the Re/Insurance industry, and proficiency in data analysis using programming languages such as SQL, Python, and ...

Data Scientist: Multimodal AI for Enterprise Impact

A leading IT services firm in Greater London seeks an Entry Level Data Scientist to develop next-generation AI tools and collaborate on advanced features. The role involves analyzing large datasets and building integrated AI solutions that drive impactful outcomes for clients. Ideal candidates will have experien ...

Research Analytics Manager Survey Insights & Automation

A research consultancy is seeking a Research Analytics Manager to enhance their analytics capabilities. You will manage analytics workstreams, focusing on survey data analysis, including segmentation and regression models. Ideal candidates have at least 3 years in research, expertise in R or Python, and demonstr ...

Product Analyst: Insights & Experimentation for Growth

A dynamic membership platform in Greater London is seeking a skilled Product Analyst to join their team. This role focuses on uncovering user behavior, designing experiments, and building actionable insights through data analysis. Ideal candidates should have strong skills in SQL and Python, along with experienc ...

Energy Markets Analyst Shape Global Decarbonization

A leading energy technology company in London is seeking an Energy Analyst to build models for wholesale power markets and derive actionable insights from data. The role requires strong analytical skills, particularly in Python and SQL, with a focus on revenue prediction and market analysis. The position offers ...

Senior Data Scientist — ML Pricing for Entertainment Growth

A technology startup in London seeks a Senior Data Scientist. You will work on advanced pricing algorithms using machine learning techniques to help clients in the entertainment industry improve profit margins. Ideal candidates have a strong quantitative background and proficiency in Python. This role offers a u ...

AVP Trader Global Multi Asset Execution

A leading global investment firm in London is seeking a trader to manage and execute trades across various asset classes. The role involves collaborating with portfolio managers, analyzing market data, and enhancing trading technology. Candidates should have relevant trading experience, strong communication skil ...

Research Engineer, Model Lifecycle Engineering, Robotics, Datasets, DeepMind

Minimum qualifications Bachelor's degree in Computer Science, Mathematics, or a related field, or equivalent practical experience. 1 year of experience in Python. 1 year of experience with machine learning frameworks (e.g., JAX, PyTorch). Experience with machin ...

Django Developer

Intellect Group is partnering with an innovative leader in AI-driven healthcare solutions and longevity research to recruit a talented Backend & Frontend Developer . This pioneering organization is at the forefront of a groundbreaking initiative studying longevity markers in a unique populati ...

Data Engineering Consultant

Talan Data x AI is a leading Data Management and Analytics consultancy, working closely with leading software vendors and top industry experts across a range of sectors, unlocking value and insight from their data. At Talan Data x AI, innovation is at the heart of our client offerings, and we help companie ...

Data Engineering Consultant

Talan Data x AI is a leading Data Management and Analytics consultancy, working closely with leading software vendors and top industry experts across a range of sectors, unlocking value and insight from their data. At Talan Data x AI, innovation is at the heart of our client offerings, and we help companie ...

Data Engineering Consultant

Company DescriptionTalan Data x AI is a leading Data Management and Analytics consultancy, working closely with leading software vendors and top industry experts across a range of sectors, unlocking value and insight from their data. At Talan Data x AI, innovation is at the heart of our c ...

Data Engineering Consultant

Company DescriptionTalan Data x AI is a leading Data Management and Analytics consultancy, working closely with leading software vendors and top industry experts across a range of sectors, unlocking value and insight from their data. At Talan Data x AI, innovation is at the heart of our c ...

AI Agents Solutions Architect HR

Building the Future of Crypto Our Krakenites are a world‑class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology. What makes us different? Kraken is a mission‑focused company rooted in crypto values. As a K ...

Join our growing AI & Cyber Practice

𝐀𝐈 & 𝐂𝐲𝐛𝐞𝐫 𝐚𝐭 𝐌𝐞𝐭𝐡𝐨𝐝𝐬Since our establishment in 1990, Methods has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK.Our mission is to improve and safeguard public-facing services. We apply digit ...

Join our growing AI & Cyber Practice

𝐀𝐈 & 𝐂𝐲𝐛𝐞𝐫 𝐚𝐭 𝐌𝐞𝐭𝐡𝐨𝐝𝐬Since our establishment in 1990, Methods has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK.Our mission is to improve and safeguard public-facing services. We apply digit ...

Join our growing AI & Cyber Practice

𝐀𝐈 & 𝐂𝐲𝐛𝐞𝐫 𝐚𝐭 𝐌𝐞𝐭𝐡𝐨𝐝𝐬Since our establishment in 1990, Methods has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK.Our mission is to improve and safeguard public-facing services. We apply digit ...

Join our growing AI & Cyber Practice

𝐀𝐈 & 𝐂𝐲𝐛𝐞𝐫 𝐚𝐭 𝐌𝐞𝐭𝐡𝐨𝐝𝐬Since our establishment in 1990, Methods has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK.Our mission is to improve and safeguard public-facing services. We apply digit ...

Senior Backend Engineer

Octopus Energy started with a bold idea: to build Britain’s first truly digital energy supplier. By combining world‑class tech with brilliant humans who care deeply about customers and driving the renewable energy transition, we made it happen and in 2025, we became Britain’s largest energy supplier. ...

Applied AI Engineer

Company Overview Model ML is the AI workflow builder transforming how major financial institutions produce and validate client-ready work. Model ML converts complex, manual processes into fully automated AI systems that scale across global teams. In under a year, Model ML has become one of the fas ...

Blockchain Payments Engineer

Lead Blockchain Payments Engineer - Fiat Ramps & Financial Infrastructure Location: LondonOn-site | Full-time Compensation: Competitive Our client is an elite team of builders operating at the intersection of fintech and high‑scale crypto infrastructure. A ...

Smart Contract Engineer

About G-20 The G-20 Group is a pioneer in Quantitative Trading systems in cross-asset markets. Headquartered in Switzerland, we operate at the intersection of Quantitative Research, Software Engineering and Trading. The team combines a startup mindset with extensive experie ...

DevOps Engineer

Company description Location: London (hybrid working 2 office days per week) Employment Type: Permanent, full time Additional Benefits: Annual Bonus Think beyond roadside assistance. Th ...

Mid Level Smart Contract Engineer

About G-20 The G-20 Group is a pioneer in Quantitative Trading systems in cross-asset markets. Headquartered in Switzerland, we operate at the intersection of Quantitative Research, Software Engineering and Trading. The team combines a startup mindset with extensive experie ...

DevOps Engineer

Company description Location: London (hybrid working 2 office days per week) Employment Type: Permanent, full time Additional Benefits: Annual Bonus Think beyond roadside assistance. Th ...

DevOps Engineer Cloud Native AI (Sovereign Cloud)

Employment Type: Full-Time Department: Engineering / AI Infrastructure Language Requirement: Italian & English The Opportunity: Join a Rocket Ship AIVB isn't just a startup; we are a high-velocit ...

Infrastructure Architect Low Latency Engineering (Rates eTrading Tech)

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build ...

Solutions Engineer

How you will make an impact You will lead end-to-end integration engineering – from high-level architecture design through hands‑on code implementation You will act as the technical expert and main point of contact in both pre‑ and post‑sales, supporting positioning, closing, and ...

Cybersecurity Penetration Tester

We are on the hunt for an expert in Penetration Testing. This is a terrific opportunity to be a part of an accredited entity while also contributing to the creation of an existing offering. Responsibilities Plan and conduct ethical hacking exercises on our systems, networks, and app ...

Computer Science Specialist | Outstanding Hackney Academy

Write a short description of your company, a boilerplate of the business, service or product that you offer. Include your business idea and the target audience. This text is primarily supposed to be descriptive, not selling.A flagship Ofsted Outstanding academy in Hackney is seeking a tech-pr ...

Computer Science Specialist | Outstanding Hackney Academy

Write a short description of your company, a boilerplate of the business, service or product that you offer. Include your business idea and the target audience. This text is primarily supposed to be descriptive, not selling.A flagship Ofsted Outstanding academy in Hackney is seeking a tech-pr ...

Engineering Manager

Engineering Manager Climate Tech Non-Profit £90,000 to £112,000 Ready to apply Before you do, make sure to read all the details pertaining to this job in the description below.The Role Hands-on leadership role managing 20 engineers across multiple teams who are build ...

Fintech SaaS Technical Team Lead

About BMLL BMLL is the leading independent provider of harmonised Level 3, 2 and 1 historical data and analytics across global equities, ETFs, futures and US equity options. We provide market participants with immediate access to granular T+1 order book data and advanced analytics, enabling them t ...

Quantitative Developer, VP

For additional information, please review .------------------------------------------------------## **Job Family Group:**Institutional Trading------------------------------------------------------## **Job Family:**Quantitative Analysis------------------------------------------------------## **Time Type:**Full ti ...

Technical Operations Analyst – Need Trading Industry Experience

Technical Operations Analyst – Need Trading Industry Experience, London, UKA proprietary trading with three offices in Chicago, London, and New York City, is seeking talented and self-motivated Technical Operations Analyst to join a growing technology team in Chicago. The successfu ...

Technical Operations Analyst – Need Trading Industry Experience

Technical Operations Analyst – Need Trading Industry Experience, London, UKA proprietary trading with three offices in Chicago, London, and New York City, is seeking talented and self-motivated Technical Operations Analyst to join a growing technology team in Chicago. The successfu ...

Monitoring Engineer / Surveyor

Are you an experienced monitoring engineer / surveyor? Perhaps you’re searching for a new challenge or simply the chance to join an organisation that genuinely cares for and invests in its team? Thanks to great successes with recent tenders and a substantial bank of future work, SEP Rail Services is lo ...

React Native Engineer

We are seeking a talented React Native Engineer to join a fast-growing and innovative fintech organisation. The position is ideal for a React Native Engineer who wants to remain hands-on and play a critical role in advancing the mobile platform. You will collaborate closely with product managers, designers, a ...

Highway Design Engineer

The company have developed a well-earned reputation for their work delivering civil and environmental engineering projects to meet the growing demands of our changing world. Currently undergoing a phase of growth, they work with a wide range of clients across the UK in both the public and private sectors, del ...

Product Manager

INFORICH EUROPE LTD is seeking UK-based Product Manager to lead the localization and operational scaling of our IoT platform across Europe. This is a pivotal role for an analytically-driven Product Management professional who possesses a strong technical aptitude and a disciplined approach ...

Staff Backend Engineer, Analytics Platform

A leading digital experience company in London is seeking a Staff Software Engineer to shape backend systems for their analytics platform. You'll design distributed systems, mentor engineers, and influence technical strategy. The ideal candidate has over 8 years in software development, with strong expertise in ...

Senior React Lead & Frontend Architect (London)

A leading financial services institution in London is looking for a Senior Lead Software Engineer to enhance and deliver top technology products. The ideal candidate will have over 5 years of software engineering experience and expertise in programming languages, cloud technologies, and AI integration. This role ...

Linux Systems Engineer Kernel & Cloud Native Platform

A global technology company in London is looking for a Software System Engineer to focus on operating systems development within Linux environments. You will engage in troubleshooting, optimization of services, and collaboration with software teams. Ideal candidates should have experience with C/C++, Linux shell ...

Senior Knowledge & Search Engineer — Shape AI Search

A pioneering AI firm is seeking a Software Engineer, Knowledge and Search, to join their team in London. The ideal candidate will have 7+ years of experience in backend software development and expertise in distributed search engine systems. Competitive salary, health insurance, and a supportive remote work poli ...

Senior SDET: Build Testing Frameworks for Microservices

A global health and wellness retailer in Greater London is seeking a Senior Software Development Engineer in Test to design and maintain scalable automation frameworks. The successful candidate will lead the shift towards engineers owning their tests and promote high-quality engineering practices. A strong softw ...

Senior AI Engineer Production AI, RAG & Multi Agent Systems

A leading AI platform company in Greater London is seeking a software engineer to drive AI agent infrastructure and deploy features at scale. The ideal candidate has over 5 years of software engineering experience and a strong background in AI applications and development. This role offers a competitive salary, ...

Backend Product Engineer: Build Scalable Investment Tech

A financial technology firm in London is looking for a Software Engineer to join its Backend Engineering squad. The role involves developing high-quality software and solving complex problems. Ideal candidates will have at least 2 years of experience, strong collaboration skills, and a keen interest in investmen ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

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