Lead Software Engineer Python Java 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 Azure Data Engineer (Databricks)

Overview Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: Permanent Engineer advanced data solutions at scale in a world-class consulting environment The Role As a Senior Azure Data Engineer (Databricks) at Capco, you will play a hands-on r ...

12 Month Internship eFX IT Developer

We are seeking a Developer with strong communication and customer-facing skills to join our team in London. This role offers the opportunity to work closely with front office users, including traders, risk analysts, and operational staff, in the dynamic field of foreign exchange trading. The ideal candidat ...

PHP Full Stack Software Engineer Supply Chain / Sustainability.

We’re seeking a UK-based PHP Full Stack Software Engineer to support the continued growth of our sustainability and digital learning platforms.You’ll be a hands-on developer who enjoys building modern, responsive user experiences, writing clean, scalable code, and collaborating closely with designers and cro ...

Lead AppSec Engineer and Team Lead Hybrid London

La Fosse is seeking an Application Security Lead to manage a team of AppSec specialists in London. This role involves embedding security throughout the application development lifecycle, leading AppSec response efforts, and being the central contact for AppSec within the organization. Ideal candidates will have ...

Lead Mechanical Engineer – On‑Site Team Lead (Healthcare)

CBW Staffing Solutions is seeking a Lead Mechanical Engineer based in Hammersmith, Greater London. This role involves overseeing planned and reactive maintenance, leading a team of engineers, and ensuring compliance within a healthcare environment. Candidates should have mechanical qualifications, a strong backg ...

Forward Deployed Engineer

Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build benefici ...

Data Engineer, Data Cloud

Location London Employment Type Full time Location Type Remote Department R&D Data Products The engineering team at Chainalysis is inspired by solving the hardest technical challenges and creating products that build trust in cryptocur ...

DevOps Engineer VDI

Für einen unserer Kunden in Bern suchen wir einen DevOps Engineer VDI.Start: 27.10.2025Ende: 30.04.2026Ort: Bern - Hybrid nach OnboardingVollzeit Du agierst eigenverantwortlich, engagiert und kennst dich aus im DevSecOps Modell. • Service Request Manageme ...

DevOps Engineer VDI

Für einen unserer Kunden in Bern suchen wir einen DevOps Engineer VDI.Start: 27.10.2025Ende: 30.04.2026Ort: Bern - Hybrid nach OnboardingVollzeit Du agierst eigenverantwortlich, engagiert und kennst dich aus im DevSecOps Modell. • Service Request Manageme ...

Staff Full Stack Engineer: AI Driven Retail Platform

algo1, a VC-backed stealth-mode company based in Greater London, is seeking a Staff Full Stack Engineer. This critical role combines Product, ML, and Engineering to revolutionize the retail stack by designing AI-driven solutions for in-store experiences. Qualified candidates will bring 8+ years of experience, ex ...

Staff Machine Learning Engineer

As a Staff ML Engineer at Robin AI, you'll lead the development of large language models for legal AI applications. You'll design ML architectures, drive model training and fine-tuning at scale, mentor ML engineers, and collaborate with product and engineering teams to ship AI features that transform the l ...

Staff Machine Learning Engineer

As a Staff ML Engineer at Robin AI, you'll lead the development of large language models for legal AI applications. You'll design ML architectures, drive model training and fine-tuning at scale, mentor ML engineers, and collaborate with product and engineering teams to ship AI features that transform the l ...

Clinical AI Engineer — Build Real World Medical AI

Meeveem Limited in Greater London is seeking an Engineer to support the development of an AI Care Partner. This role involves building AI features and requires a medical background with experience in clinical environments. You'll work closely with the Product Lead and have the opportunity to significantly imp ...

Head of Data & AI Platform Engineering

A fast-growing consultancy in Greater London is seeking a Lead Data & Platform Engineer to join their innovative team. This role involves leading the design and deployment of cloud-based data and AI solutions, managing a talented group of engineers, and driving strategic direction in data engineering. Ideal cand ...

Lead Data Engineer Real Time AI Data Platform

Jack & Jill, a progressive AI property operations startup, is seeking a Lead Data Engineer in London. As the first senior data hire, you'll architect production infrastructure for a sophisticated AI agent, design and implement real-time data pipelines, and define AI data contracts for a leading-edge platform. Th ...

Data Architect

Data Architect - Highly Competitive Salary Im working with a leading global consultancy who are looking to bring in an experienced Data Architect to join their growing team, delivering large-scale transformation programmes across both public and private sector clients. This is a fantasti ...

C# Developer Front Office Engineering | Hedge Fund London

We’re working with a leading fixed income hedge fund in London that is expanding its front‑office engineering team. The fund has a strong performance track record, a deep commitment to technology, and a culture where engineers work side‑by‑side with quants and traders to build the systems that drive the inves ...

Cloud First Full Stack Developer (AWS, .NET & Python)

A growing Lloyd’s Insurer in Greater London is seeking a Full-Stack Developer. The role involves building and maintaining AWS-based applications, developing cloud-native software solutions using Python and C#, and integrating systems with AWS tools. Ideal candidates will have strong experience in software develo ...

Data Scientist

We are looking to hire a Data Scientist role for one of our renowned IT client in Waterside,UK. This is a contract role and hybrid work opportunity. Role purpose This role is responsible for developing industrialized optimisation and machine learning models as part of a full-stack product ...

Data Scientist

We are looking to hire a Data Scientist role for one of our renowned IT client in Waterside,UK. This is a contract role and hybrid work opportunity. Role purpose This role is responsible for developing industrialized optimisation and machine learning models as part of a full-stack product ...

Senior Quantitative Engineer Exotic Derivatives (15+yrs exp)

Senior Quantitative Engineer - Exotic Derivatives (15+yrs exp)My global financial service company is looking for an experienced Quantitative Engineer specialising in exotic Derivatives to join their team in London on a contract basis.This role is for a hands-on quant engineer with 15+ years of de ...

Senior Software Engineer Fixed Income & Derivatives (Functional Programming)

Senior Software Engineer - Fixed Income & Derivatives (Functional Programming) Location London Business Area Engineering and CTO Ref # 10048297 **Description & Requirements** As a financial data, news, and analytics market leader, Bloomberg ...

Senior Software Engineer / Reliability Engineering Real time Data

Senior Software Engineer / Reliability Engineering - Real-time Data Location London Business Area Engineering and CTO Ref # 10049067 **Description & Requirements** Our department is responsible for efficiently distributing financial data fro ...

Senior Software Development Engineer, CloudFront Control Plane, CloudFront

DescriptionAWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we’re the people who keep the cloud running. We support all AWS data centres and all of the servers, storage, networking, power, and cooling equipment that ensure our cu ...

Software Development Engineer, Web & Emerging Modalities, Prime Video

DescriptionCome build the future of entertainment with us. Are you interested in shaping the future of movies and television? Do you want to define the next generation of how and what Amazon customers are watching? Prime Video is a first-stop entertainment destination offering customers a vast colle ...

FX Client & Sales Technology Senior Software Engineer (SVP)

**FX Client & Sales Technology - Senior Software Engineer (SVP)** 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 ...

Software Engineer III, Tensor Processing Units, AI/ML

Software Engineer III, Tensor Processing Units, AI/ML _corporate_fare_ Google _place_ London, UK **Mid** Experience driving progress, solving problems, and mentoring more junior team members; deeper expertise and applied knowledge within relevant area. **Minimum qualifications ...

Staff Software Engineer, Google Cloud Generative AI Blackbelt

Staff Software Engineer, Google Cloud Generative AI Blackbelt _corporate_fare_ Google _place_ London, UK **Advanced** Experience owning outcomes and decision making, solving ambiguous problems and influencing stakeholders; deep expertise in domain. **Minimum qualifications:**< ...

Staff Software Engineer, Cloud Applied AI, Agent Building

Staff Software Engineer, Cloud Applied AI, Agent Building _corporate_fare_ Google _place_ London, UK **Advanced** Experience owning outcomes and decision making, solving ambiguous problems and influencing stakeholders; deep expertise in domain. **Minimum qualifications:** ...

Staff Software Engineer, Site Reliability Engineering, Agentic Security

Staff Software Engineer, Site Reliability Engineering, Agentic Security _corporate_fare_ Google _place_ London, UK **Advanced** Experience owning outcomes and decision making, solving ambiguous problems and influencing stakeholders; deep expertise in domain. **Minimum qualific ...

Senior Full Stack Software Engineer, (Forward Deployed), GPS

Senior Full-Stack Software Engineer, (Forward Deployed), GPS London, UK Ready to Apply? Join the team shaping the future of AI at Scale. Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around th ...

Senior Software Engineer II (Fullstack) Server Driven UI

Senior Software Engineer II (Fullstack) - Server Driven UI Full-time Compensation: GBP - GBP - yearly Wise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed. Whether people a ...

Staff Full Stack Software Engineer, (Forward Deployed), GPS

Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom AI applications that will impact millions of citizens Generating high-quality training data f ...

Software Engineer — Truth Seeking AI, Hands On Impact

A leading AI company in Greater London is looking for an exceptional software engineer to work on critical product challenges. The ideal candidate thrives in a meritocratic environment, possesses outstanding communication skills, and is passionate about creating truth-seeking AI. This role emphasizes initiative ...

Principal Software Engineer, Platform (Bangkok Based – relocation provided)

About Agoda At Agoda, we bridge the world through travel. Our story began in 2005, when two lifelong friends and entrepreneurs, driven by their passion for travel, launched Agoda to make it easier for everyone to explore the world. Today, we are part of Booking Holdings (NASDAQ: BKNG), wi ...

FX Client & Sales Technology Senior Software Engineer (SVP)

FX Client & Sales Technology - Senior Software Engineer (SVP) 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 ...

Backend Software Engineer — C#/.NET Core, Azure & Agile

Digital Outsource Services is seeking a Backend Developer in Greater London, UK. The role involves designing and maintaining scalable systems, implementing quality solutions, and participating in Agile practices. Key qualifications include expertise in C# and .NET Core, proficiency in Agile methodologies, and a ...

Software Engineer III, Tensor Processing Units, AI/ML

Software Engineer III, Tensor Processing Units, AI/ML Google London, UK Bachelor’s degree or equivalent practical experience. 2 years of experience with software development in C++ and Python, or 1 year of experience with an advanced degree. 1 year of experience ...

Software Engineer I — Build Next Gen Payments Systems

Checkout.com in Greater London is seeking Software Engineers who are versatile and passionate about building technologies to support global payments. Candidates should hold a Bachelor's or Master’s degree in Computer Science or similar and have proficiency in C# .NET, Java, or Go. Roles involve collaborating wit ...

Global Banking & Markets Software Engineer Vice President London

The Opportunity Goldman Sachs has embarked on one of its most ambitious engineering programs: the Consolidated Trade Ledger (CTL) , a ground‑up reimagining of the front‑to‑back architecture that underpins every trade the firm executes. CTL is a flagship initiative jointly sponsored by Glob ...

Machine Learning Software Engineer, Research London, United Kingdom

Machine Learning Software Engineer, Research London, United Kingdom About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation s ...

Hybrid Software Engineer II: Build Delightful Web Apps

Ziff Davis Shopping is seeking a Software Engineer II to join their Engineering team in London. This hybrid role entails building user-friendly product experiences, improving existing website functionality, and contributing to the platform's architecture. Ideal candidates will have at least 4 years of backend de ...

Software Engineer, iOS Core Product London, United Kingdom

The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember mo ...

Junior Software Engineer | C#/.NET | Financial Services, | London

Junior Software Engineer | C#/.NET | Financial Services, | London We’re looking for a Junior Software Developer to join a growing technology team within a fast‑paced, regulated financial services environment. This is a great opportunity for someone early in their career who ...

Global Banking & Markets Software Engineer Vice President London

Global Banking & Markets - Software Engineer - Vice President - London Job Description The Opportunity Goldman Sachs has embarked on one of its most ambitious engineering programs: the Consolidated Trade Ledger (CTL), a ground‑up reimagining of the front-to-back architecture t ...

Embedded Software Test Engineer: CAN/BLE, Nordic MCUs

A leading technology company in Greater London is seeking a competent Software Test Engineer who will develop new features and validate software. The ideal candidate will have at least 3 years of experience in software testing and extensive experience with C programming. Responsibilities include supervising test ...

DTN Software Engineer — Remote UK, Shape Mesh Networks

A leading technology firm in the UK seeks a passionate DTN Software Engineer. In this role, you'll develop and maintain laser communication technologies and support cloud-based solutions for aerospace communications. The ideal candidate has experience with the DTN stack and distributed systems, and possesses str ...

Full Stack Software Engineer — AWS Fusion Platform, London

A leading market infrastructure provider in London is seeking a Software Engineer to join a new team working with AWS to build the next generation of the Fusion Platform. This role involves supporting technical delivery across disciplines such as development, testing, and dev-ops. Ideal candidates will be proact ...

Software Safety Engineer (£75K – £85K + Equity) at Scarlet

Software Safety Engineer Salary: £75K – £85K + Equity Company Scarlet - Creandum-backed medical AI authority Job Description You will join the Devices function as a software expert assessing the world's most innovative medical AI systems. By certifying ...

Staff Software Engineer, Core Banking (Relocate to Singapore)

About Airwallex Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 200,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SHEIN and many more – with ful ...

🚀 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

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