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

Grid & Power Infrastructure Lead

Energi People is seeking an experienced Electrical Engineer to assess grid connections and deliver feasibility studies for mission-critical infrastructure projects in Greater London. You will manage multidisciplinary teams and act as the client point of contact, translating technical data into actionable insight ...

Senior Cloud Security Engineer — DevSecOps in AWS

Cint is looking for a Senior Cloud Infrastructure Security Engineer in Greater London to enhance their cloud security practices. You will work on defining the security posture for both legacy and greenfield resources, driving the adoption of DevSecOps principles across teams. The ideal candidate has over three y ...

Frontend Engineer — React/TypeScript, Equity (UK On site)

Sharpe Search is looking for a Frontend Engineer to join a small team focused on building impactful frontend features on an AI-native data orchestration platform. The role requires 5+ years of experience, deep knowledge of React and TypeScript, and the ability to ship products rapidly. Compensation includes a ba ...

Senior Full Stack Engineer — Drive Web Growth

Praktika.ai in Greater London is seeking a Senior Full-stack Engineer to own their web assets, including onboarding and marketing tools. You will drive product decisions using a data-driven approach, with responsibilities covering the entire web stack, from architecture to deployment. Candidates should have exte ...

Senior Oracle EPM Cloud Techno Functional Engineer

A recruitment agency is seeking an EPM Snr. Techno-Functional Engineer for a 6-month contract in London. The role requires proven experience in Oracle EPM solutions, overseeing data migration, and ensuring seamless integration with other systems. Candidates should have over 2 years of relevant experience, strong ...

Growth Engineer: Fullstack for Revenue & Ecosystem

A dynamic tech startup based in the United Kingdom is seeking a full-stack engineer who is passionate about building growth, ecosystem, and monetization systems. The ideal candidate has over 5 years of experience with user-facing products, a strong sense of product and UX, and is comfortable utilizing data analy ...

DevOps Engineer — Cloud CI/CD (AWS/Azure) Expert

A leading consulting firm in the UK is looking for a DevOps Engineer to join their Digital & Data team. The role involves implementing CI/CD pipelines for AWS and Azure, collaborating with diverse teams, and working in a hybrid model. Successful candidates will have strong problem-solving skills, experience with ...

Senior Frontend Engineer – API Driven Web Features

A growing tech company in Greater London is seeking a Senior Frontend Engineer to enhance their web products in the user-data space. You will develop new features and improve existing ones while collaborating with engineers, product, and design teams to deliver polished user experiences. Ideal candidates should ...

Legal Knowledge Automation Engineer

A leading law firm in Greater London is seeking a Knowledge Solutions Engineer to enhance legal service delivery through technology-enabled solutions. The role includes converting legal requirements into automated processes, maintaining tools, and supporting digital workflow improvements. Ideal candidates are cu ...

Senior Growth ML Engineer: Personalisation & Marketing

A leading fintech company is seeking a (Senior) Machine Learning Engineer to develop innovative solutions in financial health. You'll join a dynamic team to deploy machine learning models and collaborate with various departments to enhance user experience. The ideal candidate will have a solid background in data ...

Senior Sales Engineer – Enterprise 3D Spatial Platform

A leading technology company is looking for a Senior Sales Engineer in London to drive the technical engagement in B2B SaaS solutions. You will serve as the primary technical advisor, shaping architectural decisions and mentoring the sales engineering team. Ideal candidates should have extensive experience in te ...

Growth ML Engineer — Personalisation & Marketing (Remote)

A leading fintech startup in Greater London seeks a skilled (Senior) Machine Learning Engineer to join their innovative team. You will design solutions addressing real-world financial challenges and develop marketing models while working cross-functionally to enhance user experiences. The role demands expertise ...

Aviation Project Controls Engineer | P6, Cost & Reporting

A global professional services company in Greater London is seeking a Project Controls Engineer to join their growing Infrastructure business. This role involves supporting high-value projects at a major airport, managing progress and cost data, and preparing monthly reports. The ideal candidate will have a degr ...

Staff Front End AI Engineer — Hybrid & Scalable UIs

Agoda is seeking a Staff Front-End Engineer to design and build AI-driven chat experiences that enhance our AI Assistant and customer support. The role involves architecture design, system performance, and mentoring within a collaborative team of engineers and data scientists. Ideal candidates have over 8 years ...

Field Mission Operations Engineer — Travel 50%

Nominal is seeking a Mission Operations Engineer to integrate their technology into high-stakes environments across the UK. With a focus on building strong client relationships and providing exceptional support, the role requires 4+ years in hardware or data engineering, excellent communication, problem-solving ...

Senior Technical Solutions Engineer, AdTech & ML Ops

Moloco is hiring a Technical Solutions Engineer based in Greater London, UK, to manage technical escalations and improve operational efficiency within the Commerce Media team. Ideal candidates will have over 6 years of experience in technical support or engineering, strong skills in troubleshooting, API integrat ...

Senior Frontend Engineer AI UI & 3D Visuals (Flexible)

AECOM is seeking a skilled frontend engineer in Greater London to create high-performance interfaces for AI-driven products. You will work with Svelte and React (TypeScript) to design user-friendly tools that help engineers navigate complex data. Essential skills include proven experience with TypeScript, a degr ...

Senior Network & Security Engineer Lead Incidents & Projects

Randstad Digital is seeking a Senior Network and Security Engineer to join the EMEA team in London. This key position focuses on managing the data network and security infrastructure while ensuring operational stability and agility. The role includes incident management, project delivery, and team leadership, al ...

Backend Engineer (Node.js) – Scale FinTech in London

Wayfindi is looking for a Mid Level Backend Engineer (Node.js) in London to work closely with the CTO and tackle backend infrastructure challenges. The ideal candidate will have at least 2 years of experience, be passionate about building innovative financial solutions, and thrive in a high-performance team. Res ...

Senior Optical Engineer: Zemax Lens Design for Production

HoloMem in Greater London is looking for a Senior Optical Engineer to develop custom optics and lens designs essential for product development. You will focus on Zemax-based design, overseeing tolerances and working with suppliers to ensure manufacturability. The ideal candidate should have 3-5 years in optical ...

Imaging Applications Engineer — Hybrid Neuro Platform

IXICO, a leader in neuroscience imaging, is hiring an Imaging Applications Engineer to support pharma clients' clinical trials. This role involves configuring and deploying medical imaging data solutions on IXICO’s platform and working closely with project managers. Candidates should have a Masters in a technica ...

AWS Infrastructure Engineer for Real Time Analytics

Understanding Solutions is seeking a hands-on AWS Infrastructure Engineer to support their data technology business in Greater London. This BAU-focused role requires strong experience in managing AWS infrastructure and collaborating with developers. The successful candidate will work with ECS, OpenSearch, and AW ...

Rail Systems Performance Engineer – Hybrid Role

Transport for London is seeking an experienced Engineer for System Performance and Integration. This role focuses on analysing complex data, undertaking systems modelling, and providing expertise to projects. Candidates should have a degree in a relevant field and at least 2 years of engineering experience. Bene ...

Platform as Product: Engineering Manager Hybrid London

Blacklane seeks a leader to enhance high-performing engineering teams, focusing on delivering impactful projects while navigating ambiguity. The role involves defining the roadmap in collaboration with the Staff Engineer and fostering a strong team culture. Candidates should have experience in Platform, Backend, ...

Systems Performance & Integration Engineer Hybrid Role

Future of London is seeking an experienced Engineer – System Performance and Integration. This role involves analyzing data, providing expertise in capacity issues, and collaborating closely with various stakeholders. Applicants should have a degree in Engineering, at least 2 years of experience, and be motivate ...

Lead Sales Engineer AI Driven Cloud Analytics

Alteryx Inc. is seeking a Lead Sales Engineer in London to serve as a trusted technical advisor for enterprise customers. This role requires a deep understanding of data analytics, AI, and cloud solutions. Responsibilities include leading technical engagements, delivering demonstrations of Alteryx solutions, and ...

Early Career AI Engineer — Production ML & Automation

An investment management firm is seeking an early-career AI Engineer in London to design and deploy machine learning systems that support investment decision-making. Ideal candidates will be PhD graduates in a STEM field or Bachelor’s/Master’s graduates with 1-2 years of relevant experience. Responsibilities inc ...

Manipulation Capabilities Engineer – Robotics & DL R&D

Humanoid is hiring a Manipulation Capabilities Engineer in Greater London to enhance robot manipulation through applied deep learning and real-world robotics experience. Responsibilities include training manipulation policies and improving data collection strategies. Ideal candidates have over 3 years of experie ...

Senior Full Stack Engineer – Enterprise AI Systems, Equity

A cutting-edge technology company based in the UK is seeking a Senior / Lead Fullstack Engineer to create innovative systems within global enterprises. In this role, you will be designing production-grade systems that handle complex, unstructured data, while taking full ownership of your projects. If you thrive ...

Senior Backend Engineer for AI Driven CRM | Equity

An AI-native CRM startup is seeking a Senior Product Engineer to lead the development of scalable backend systems. You will architect high-performance systems using Node.js and TypeScript while managing complex data challenges. Ideal candidates have deep expertise in backend applications and a product-focused mi ...

Platform Engineering Manager: Lead Data Platform Teams

A leading wealth-management firm is seeking a skilled Data Platforms Engineer to lead a team, ensuring high-quality platform delivery while collaborating with various stakeholders. The role focuses on defining standards, driving team development, and improving operational stability. Candidates should have a tech ...

Offshore Geotechnical Engineer — Jack Up & Site Characterisation (3M)

A leading consultancy in the geotechnical field is seeking a Geotechnical Engineer for a 3-month contract in Greater London. The role involves offshore site characterization, supporting geotechnical site investigations, and interpreting data for engineering assessments. The ideal candidate has experience with Le ...

Front End Engineer, Institutional — Crypto Trading UI/UX

A leading crypto technology company is seeking a Front-End Engineer to join their Institutional team in London. The role involves building UIs, developing innovative data visualizations, and collaborating closely with traders to optimize tools. The ideal candidate should have experience with React, TypeScript, a ...

Senior Android Engineer (Kotlin) — Hybrid, Equity & Growth

A leading tech company in Greater London seeks a Senior Android Engineer to enhance their flagship Kotlin app. This hybrid role, with three days WFH, requires strong Android and Kotlin skills. The position offers competitive salary and share options, as well as 32 days of holiday and a dedicated training budget. ...

Senior ML Engineer — Scalable AI for Travel

A global travel management company is seeking a Machine Learning Engineer II to enhance AI solutions that tackle real-world business problems. The successful candidate will collaborate across teams globally, applying over 8 years of experience to develop innovative systems. Responsibilities include utilizing adv ...

Senior HV Design Engineer – Transit Power Systems

A leading engineering consultancy in the UK is seeking an experienced Principal/Senior HV Design Engineer to join its Energy Team. The ideal candidate will possess HV design expertise and leadership skills, working on varied projects including Data Centres and windfarms. Essential qualifications include a Bachel ...

Senior Product Engineer — End to End B2B SaaS

Story Terrace Inc. in Greater London is looking for a Senior Product Engineer to take ownership of features across their app, API, and data platform. The ideal candidate will have experience in B2B SaaS and full-stack engineering, with an emphasis on modern design practices in React applications. This role offer ...

Staff Frontend Engineer: Architect AI Driven Enterprise UI

A high-growth AI SaaS company based in London is seeking a Staff Frontend Engineer to own the frontend architecture and drive the development of AI-native interfaces. With over 7 years of experience, you will lead architectural decisions in a complex, data-heavy environment, focusing on performance optimisation ...

Senior Cloud DevOps Engineer AI Driven Platforms

A data-driven technology firm in Greater London is looking for a Senior DevOps Engineer to enhance their cloud-based platform. Responsibilities include improving system availability, collaborating with engineering teams on CI/CD practices, and supporting cloud capability development for clients. The role require ...

Senior Android Engineer Kotlin/Compose | Hybrid + Equity

A leading data technology company in the UK is seeking a Senior Android Engineer to enhance their flagship Kotlin app. You will have the opportunity to influence technical discussions and app architecture while working in a hybrid environment, balancing office and remote work. The ideal candidate has over 5 year ...

Remote Senior Infrastructure & Reliability Engineer

A leading AI GPU cloud company is seeking an Engineer to ensure the efficiency and scalability of their data centre infrastructure. The role involves collaborating with cross-functional teams, managing support tickets, and responding to critical incidents. The ideal candidate will have strong technical skills in ...

Cisco Network Security Engineer

A technology company in the United Kingdom is seeking a skilled Network Security Engineer to design, implement, and maintain secure network infrastructures. The ideal candidate will have a Bachelor's degree in a related field and over 3 years of experience in network security, particularly with Cisco technologie ...

Cloud Security Engineer — Secure the Platform at Scale

A leading health app provider in Greater London is seeking a Cloud Security Engineer to enhance and ensure security within their systems. The role focuses on automating security processes and protecting sensitive health data for millions of women. Ideal candidates will possess significant expertise in AWS securi ...

Machine Learning Engineer: Scalable Deep Learning

A leading online retailer in Greater London is seeking a Machine Learning Engineer to develop and deploy impactful machine learning solutions within a cross-functional team. The ideal candidate will have hands-on experience in deep learning, proficiency with modern ML frameworks, and excellent communication skil ...

Senior Performance Controls Engineer (BESS & Solar)

A leading renewable energy firm in the UK is hiring a Senior Performance Controls Engineer to troubleshoot performance issues in battery energy storage systems. This role requires strong analytical skills and a hands-on approach to problem-solving, ensuring system reliability and minimal downtime. Ideal candidat ...

PAM Engineering Lead – Secure Multi Cloud Vaults

A leading financial markets data provider is seeking a Lead Engineer to guide the design and lifecycle management of enterprise-grade Privileged Access Management (PAM) solutions. The ideal candidate will have extensive experience in implementing PAM at scale and managing complex integrations across multi-cloud ...

Head of Cost Engineering, Warehousing & Distribution

A leading toy manufacturer in Greater London is seeking an experienced Cost Engineer to help build cost knowledge for warehousing. This role involves working closely with the Procurement team to develop Should Cost models and identify cost-saving opportunities. The ideal candidate has 5-10 years of logistics exp ...

Senior Backend Engineer — AI First Platform, Equity & Hybrid

A tech-driven company in London seeks a Senior Backend Engineer to build and scale backend services for an AI-first platform. This role involves designing and owning core services and collaborating with product teams. Ideal candidates will have over 4 years of experience, strong programming skills in Typescript ...

Security Engineer: Cloud, SIEM & Threat Defense (Hybrid)

Merlin Entertainments - Corporate is seeking an Information Security Engineer to safeguard the IT infrastructure and sensitive data. This role entails designing and implementing robust security controls against cyber threats, working closely with various teams and managing incidents. Candidates should have a bac ...

Backend Engineer (Node.js) – Scale FinTech in London

Wayfindi is looking for a Mid Level Backend Engineer (Node.js) in London to work closely with the CTO and tackle backend infrastructure challenges. The ideal candidate will have at least 2 years of experience, be passionate about building innovative financial solutions, and thrive in a high-performance team. Res ...

🚀 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