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

Senior Backend Engineer, AI Native CRM & Scalable Systems

A forward-thinking AI startup in Greater London is seeking a Senior Product Engineer to lead projects and architect high-performance backend systems using Node.js and TypeScript. The role involves managing complex data challenges and requires deep expertise in cloud-native applications. The ideal candidate will ...

Lead Cloud Security Architect – Data Governance (UK)

A leading technology firm in the United Kingdom is looking for a skilled Lead Cloud Security Systems Engineer. You will focus on designing and enhancing cloud security frameworks, implementing data governance strategies, and ensuring compliance with regulations. Ideal candidates will have a strong background in ...

Senior Staff Perception Engineer 3D Vision & Autonomy

AeroVect is seeking a highly skilled engineer in Greater London to architect and deploy 2D/3D object detection models. The ideal candidate will have a Master’s or PhD in Computer Science or a related field and at least 5 years of experience in this domain. Responsibilities include building data pipelines, develo ...

Senior DevOps Engineer: Autonomy in Cloud Platform Delivery

A leading data and AI company in Greater London seeks a Senior DevOps Engineer to enhance its cloud-based platform, focusing on automation, performance, and security. Candidates should have strong hands-on DevOps expertise and experience in programming. Responsibilities include collaborating with engineering tea ...

Senior Backend Engineer – Trading Systems & Cloud

TP ICAP Group is looking for a Senior Back-End Engineer in Greater London. In this role, you will design and maintain high-performance, data-intensive applications and APIs, ensuring system reliability while collaborating with architects and stakeholders. The ideal candidate will have substantial experience in t ...

DV Cleared Data Scientist: AI/GenAI (On Site London)

Searchability NS&D is recruiting for a Data Scientist / AI Engineer with active enhanced DV clearance. This role offers positions from Junior to Lead level with salaries ranging from £45,000 to £95,000 depending on experience, plus a 15% clearance bonus. You will design AI solutions, work with clients, and run A ...

Senior Kotlin Backend Engineer, Analytics Platform (Equity)

An innovative tech company in the United Kingdom seeks a Senior Backend Engineer to architect and build scalable data systems. The ideal candidate will design distributed analytics infrastructure using AWS and Kotlin, transforming complex datasets into actionable insights supporting billion-dollar risk decisions ...

Lead Enterprise AI Deployment Engineer

A fast-growing AI data intelligence startup in London is seeking a Forward Deployed Engineer to lead enterprise-scale AI projects. This role involves bridging strategy and technical execution while partnering with C-suite stakeholders. The ideal candidate has over 2 years of consulting experience, a strong analy ...

Remote Azure Databricks Platform Engineer

A leading tech recruitment firm is seeking a Databricks Platform Engineer for a fully remote role based in the UK. The position offers a contract length of 6 months with a daily rate of £550, outside IR35. The ideal candidate will possess strong expertise in Azure platform engineering and hands-on experience wit ...

Senior Cloud Security Engineer — Secure Scale & Privacy

A leading health tech firm is seeking a skilled Cloud Security Engineer to enhance AWS security and enable secure development. This role focuses on automating security processes and strengthening cloud infrastructure. Candidates should have at least 7 years of experience and expertise in AWS services, Terraform, ...

Client Integration Engineer — Digital Solutions & Automation

A global data and technology firm is seeking a Client Integration Engineer in London. The role involves providing technical solutions, integrating clients onto digital platforms, and troubleshooting issues. Candidates should have at least 3 years of digital experience, strong coding skills in JavaScript, SQL, an ...

Hybrid DevOps Engineer: CI/CD & Automation

A leading technology company is seeking a DevOps Engineer to design and improve CI/CD pipelines. This role requires advanced scripting expertise and experience with tools like Jenkins, Docker, and Kubernetes. The successful candidate will collaborate globally and drive innovation in development practices. The po ...

Senior Linux SRE Europe, 24/7 Reliability

A leading data analytics firm in Greater London is seeking a Senior System Reliability Engineer to join their elite engineering team. The role requires a strong background in Linux system administration, distributed systems, and excellent scripting skills. Responsibilities include monitoring cluster health and p ...

Robotics Frontend Engineer Forward Deployed

A robotics company in Greater London is seeking a Forward-Deployed Engineer to build data infrastructure for robots. This position focuses on customer collaboration, designing end-to-end solutions in robotics, and working closely with customer teams to ensure seamless integration of the platform. Candidates shou ...

Azure Databricks Platform Engineer Fully Remote

A leading recruitment firm is looking for an experienced Azure Platform Engineer for a fully remote contract position. This role involves supporting a large-scale cloud and data platform transformation within an Azure and Databricks environment. The ideal candidate will have strong hands-on experience in buildin ...

AI ML Engineer: 3D Vision & CNNs (London, Flexible)

An innovative AI Tech Start-Up in London is seeking an AI Machine Learning Engineer to join their team. This role offers the chance to work on impactful AI solutions in a flexible environment. You'll design and optimize neural networks while handling large data sets. Ideal candidates have a degree from a Russell ...

Senior Backup Engineer – Commvault Specialist & DR Lead

A leading IT services company in London is seeking a Senior Backup Engineer to provide advanced technical support and strategic guidance to customers. You will collaborate with teams to enhance backup infrastructure and serve as a senior escalation expert. The ideal candidate will have hands-on technical experie ...

Senior Pre Sales Solutions Architect

Relativity ODA LLC is seeking a Senior Pre-Sales Engineer based in Greater London. This hybrid role involves providing exceptional technical sales consulting, supporting Legal Data Intelligence use cases, and collaborating with sales teams for successful account management. Candidates should have at least 7 year ...

DV Cleared Data Scientist: AI/GenAI (On Site London)

Searchability NS&D is recruiting for a Data Scientist / AI Engineer with active enhanced DV clearance. This role offers positions from Junior to Lead level with salaries ranging from £45,000 to £95,000 depending on experience, plus a 15% clearance bonus. You will design AI solutions, work with clients, and run A ...

Security Operations Engineer – Hybrid London (9 Month FTC)

Moore Kingston Smith is seeking a Security Operations Engineer to join the Information Security team in London on a 9-month fixed-term basis. This hands-on role requires investigating security alerts, analyzing data, and supporting incident response in a mature security environment. Ideal candidates will have ex ...

Lead AI Engineer – Enterprise GenAI & MLOps Leader

Capgemini is seeking a Lead AI Engineer to design and implement advanced AI solutions at an enterprise scale in London. This role bridges AI prototypes with data solutions, ensuring impactful business outcomes. The ideal candidate will have experience in major consulting firms, significant expertise in ...

AI ML Engineer: 3D Vision & CNNs (London, Flexible)

An innovative AI Tech Start-Up in London is seeking an AI Machine Learning Engineer to join their team. This role offers the chance to work on impactful AI solutions in a flexible environment. You'll design and optimize neural networks while handling large data sets. Ideal candidates have a degree from a Russell ...

Senior Backup Engineer – Commvault Specialist & DR Lead

A leading IT services company in London is seeking a Senior Backup Engineer to provide advanced technical support and strategic guidance to customers. You will collaborate with teams to enhance backup infrastructure and serve as a senior escalation expert. The ideal candidate will have hands-on technical experie ...

Quant Developer: High Perf Trading Engines + Stock Options

TankX is a quantitative trading company located in Greater London, seeking a skilled engineer to design low-latency trading systems. You'll build robust C++ engines and optimize performance while collaborating closely with data engineers. A Bachelor's or Master's in a related field is required, alongside strong ...

Senior Sales Engineer – Enterprise 3D & Spatial AI

A leading technology firm is seeking a Senior Sales Engineer in London to support the demand for its digital transformation platform. This role entails providing strategic technical leadership for complex sales opportunities and shaping solution strategies. Candidates should have extensive experience in B2B SaaS ...

iOS Engineer – Referrals & Growth Platform

hackajob is seeking an iOS Engineer to enhance and scale its recommendation platform and reward mechanisms. This role involves building customer experiences that facilitate referrals and managing marketing data attribution. The ideal candidate will have expertise in iOS app development using Swift, a strong user ...

Senior ML Systems Engineer — Frontier AI for Biotech

Basecamp Research is hiring a Senior Research Engineer to enhance AI research technologies at our London office. You will be pivotal in developing distributed training systems and optimizing data handling processes. The role requires a PhD or equivalent experience in relevant fields and expertise in running larg ...

GPU Solutions Architect: Pre Sales & Systems Integration

Hamilton Barnes Associates Limited seeks a Pre-Sales Engineer to support AI data centre expansion in Greater London. This role involves designing compute solutions utilizing advanced GPU technologies while interacting closely with the sales team and clients. The ideal candidate possesses deep technical knowledge ...

Network Deployment & Automation Engineer II

Google is seeking a Network Implementation Engineer in Greater London to lead the deployment, maintenance, and operations of private data networks globally. This role involves working closely with various engineering teams and telecommunications vendors to ensure reliable, scalable networks. Key qualifications i ...

Prompt Engineer for Real‑World AI Deployments (Hybrid)

SLAMcore is looking for a Prompt Engineer based in London to design AI prompt templates and enhance product performance. This role involves collaborating with users for insights, optimizing internal tools, and maintaining data privacy. Ideal candidates should have a passion for social impact and strong problem-s ...

Senior Digital Buildings Engineer: Cloud & IoT Integrations

FPC Group is seeking a Digital Buildings System Engineer in Greater London. You will manage the integration of diverse building management systems into cloud platforms, ensuring data flow and seamless compatibility. The ideal candidate will have over 7 years of experience in designing automation systems, strong ...

Trading Systems QA Engineer Move Into Automation

Ocean Red is seeking a QA Engineer in Greater London to transition into automation and improve testing practices. You will work on backend systems, APIs, and data flows, designing and executing tests. The role offers the opportunity to take ownership of defects and collaborate closely with developers. Ideal cand ...

Associate Graph Solutions Engineer (Pre Sales)

Neo4j is looking for an Associate Solution Engineer in Greater London. This role involves collaborating with the Sales Engineering team to assist customers in realizing the value of Neo4j's graph database technology. Responsibilities include supporting pre-sales processes, technical demonstrations, and prototype ...

Senior Cloud Security Engineer — Secure Scale & Privacy

A leading health tech firm is seeking a skilled Cloud Security Engineer to enhance AWS security and enable secure development. This role focuses on automating security processes and strengthening cloud infrastructure. Candidates should have at least 7 years of experience and expertise in AWS services, Terraform, ...

Multilingual AI Engineer | Lead ML on Azure

A leading AI Solutions company in Greater London seeks a multilingual AI Engineer proficient in Mandarin and English. This role involves designing and building machine learning models, managing projects, and collaborating with data scientists on the Azure platform. The ideal candidate will ensure high-quality AI ...

Senior Backend Engineer – Trading Systems & Cloud

TP ICAP Group is looking for a Senior Back-End Engineer in Greater London. In this role, you will design and maintain high-performance, data-intensive applications and APIs, ensuring system reliability while collaborating with architects and stakeholders. The ideal candidate will have substantial experience in t ...

Senior Kotlin Backend Engineer, Analytics Platform (Equity)

An innovative tech company in the United Kingdom seeks a Senior Backend Engineer to architect and build scalable data systems. The ideal candidate will design distributed analytics infrastructure using AWS and Kotlin, transforming complex datasets into actionable insights supporting billion-dollar risk decisions ...

Real‑Time Personalisation ML Engineer

Tilt is seeking a Machine Learning Engineer (Personalisation) to innovate real-time algorithms for their video-first shopping platform in London. This role requires expertise in building recommendation systems and a solid understanding of data analysis and machine learning. Expectations include crafting solution ...

Quant Developer: High Perf Trading Engines + Stock Options

TankX is a quantitative trading company located in Greater London, seeking a skilled engineer to design low-latency trading systems. You'll build robust C++ engines and optimize performance while collaborating closely with data engineers. A Bachelor's or Master's in a related field is required, alongside strong ...

AI Engineer: LLMs, RAG & Transformer Expert

DXC Technology is seeking an AI Engineer to join our team in the UK. This role involves developing cutting-edge AI technologies, particularly focusing on Transformer-based architectures and LLMs. Responsibilities include designing data pipelines, optimizing AI models, and mentoring team members. The ideal candid ...

Driver‑In‑Loop Simulation Engineer (Motorsports)

Motorsport Network is seeking a Simulation Driver & Performance Engineer for their Technical Division in Greater London. You will be responsible for supporting vehicle performance through hands-on simulation driving and engaging with vehicle dynamics and data analysis. Ideal candidates hold a relevant degree and ...

Senior Pre Sales Solutions Architect

Relativity ODA LLC is seeking a Senior Pre-Sales Engineer based in Greater London. This hybrid role involves providing exceptional technical sales consulting, supporting Legal Data Intelligence use cases, and collaborating with sales teams for successful account management. Candidates should have at least 7 year ...

Security Systems Engineer

Are you an experience Security Engineer looking for your next challenge? Do you take pride in your work, thrive in live environments and are passionate about quality and safety? Then read on, this could be the ideal opportunity for you. We are a long-standing family run business who are an industry leader in ...

Building Performance Engineer Maintenance

Role:Building Performance EngineerPlease make an application promptly if you are a good match for this role due to high levels of interest.Location:London (some travel) Smart Managed Solutions is seeking aBuilding Performance Engineerto support energy optimisation, analytics and sustainability ...

Infrastructure Generalist Engineer | Leading Global Investment Group

(Up to c. £200k Comp Package | Hybrid Working) Role Overview We’re supporting a high-performance investment firm as it builds out its next-generation technology environment from the ground up. This is a broad infrastructure role sitting at the intersection of systems, endpoints, c ...

Infrastructure Generalist Engineer | Leading Global Investment Group

(Up to c. £200k Comp Package | Hybrid Working) Role Overview We’re supporting a high-performance investment firm as it builds out its next-generation technology environment from the ground up. This is a broad infrastructure role sitting at the intersection of systems, endpoints, c ...

Full Stack Developer London Market Insurance

We are supporting a global speciality insurer on the hire of a Senior Full Stack Developer to join a critical technology programme focused on modernising a legacy platform while delivering new cloud-native services.This is a hands-on engineering role, working across both legacy systems and modern cloud ...

Full Stack Developer London Market Insurance

We are supporting a global speciality insurer on the hire of a Senior Full Stack Developer to join a critical technology programme focused on modernising a legacy platform while delivering new cloud-native services.This is a hands-on engineering role, working across both legacy systems and modern cloud ...

Production Engineer – London

Exciting opportunity at one of the fastest growing financial services firms around the world. They offer prime brokerage, clearing and financing across traditional and digital assets, and are now looking to hire world-class engineers to help build on their success.This is a unique role, blending Level- ...

Production Engineer – London

Exciting opportunity at one of the fastest growing financial services firms around the world. They offer prime brokerage, clearing and financing across traditional and digital assets, and are now looking to hire world-class engineers to help build on their success.This is a unique role, blending Level- ...

🚀 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