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 Backend Engineer, Business Pricing (End to End)

A financial technology company in Greater London seeks a Senior Software Engineer to build and maintain backend systems for the Business Pricing team. The successful candidate will lead a small team, collaborate with product managers, and improve customer experiences. Required qualifications include 5+ years in ...

Senior Security Engineer: Proactive Security Platform

A leading food delivery service in London is seeking a Software Engineer to lead the design and operation of security services. You will work with cross-functional teams to build secure solutions and maintain operational excellence. Key requirements include strong knowledge in distributed systems, programming in ...

Cloud Native VP Engineer, AI Driven Equities

Goldman Sachs Bank AG is seeking a Vice President Software Engineer in London to lead development on the Consolidated Trade Ledger (CTL) initiative. The role will involve designing cloud-native, high-availability services and using AI-assisted engineering tools. Candidates should have over 8 years of experience ...

Staff Backend Engineer: Technical Leader (Hybrid)

Engine by Starling is seeking a Backend Software Engineer to lead complex projects and deliver new features on their award-winning platform. Ideal candidates should be proficient in Java and have a strong understanding of DevOps practices. The position emphasizes collaboration with various stakeholders to drive ...

Principal Search Scaling Engineer — Elasticsearch Core

Elastic is looking for a Principal Software Engineer to join their Elasticsearch - Search Scaling team in London. You will lead the evolution of core search capabilities, contribute to the team’s technical vision, and mentor other engineers. The role requires deep expertise in search technologies such as Elastic ...

Senior Backend Engineer: Java & Cloud Leader

Capital One in London is looking for a Staff Software Engineer - Back End to lead technical strategies and innovation across teams. The role involves owning the technical direction, mentoring engineers, and representing Capital One in technical forums. Ideal candidates will have deep expertise in Java, system de ...

Cloud Native VP Engineer, AI Driven Equities

Goldman Sachs Bank AG is seeking a Vice President Software Engineer in London to lead development on the Consolidated Trade Ledger (CTL) initiative. The role will involve designing cloud-native, high-availability services and using AI-assisted engineering tools. Candidates should have over 8 years of experience ...

Cloud Native VP Engineer, AI Driven Equities

Goldman Sachs Bank AG is seeking a Vice President Software Engineer in London to lead development on the Consolidated Trade Ledger (CTL) initiative. The role will involve designing cloud-native, high-availability services and using AI-assisted engineering tools. Candidates should have over 8 years of experience ...

Senior Software Engineer, Global Payments Platform

A global payments technology leader is looking for skilled software engineers to join their team in London. Applicants should have over three years of experience in engineering complex software systems. The role emphasizes collaboration and innovation in creating solutions that impact millions. The ideal candida ...

Applied Scientist: Agentic AI Verification & Theorem Proving

A leading cloud services company is seeking an experienced applied scientist in Greater London. The position focuses on building software verification tools using AI and advanced reasoning techniques. Candidates should have a PhD or Master's in a relevant field and programming skills in Java, C++, or Python. Res ...

Security Focused Software Engineer: Cloud, Agile, UK

A technology company specialized in Defence and Cyber Security is seeking Software Engineers to design, build, and maintain secure software systems. The role offers opportunity to work on meaningful projects and grow skills in a supportive environment. Ideal candidates are curious and willing to learn, with expe ...

Senior Software Engineer

Our client is a offering an exciting opportunity to join their fast-growing product-led SaaS business building AI-powered software that solves highly complex global finance and tax challenges for large enterprise customers. Their platform handles complex rule-driven workflows, large data sets, and e ...

Full Stack Polyglot Engineer

Job Description Full Stack Polyglot Engineer — London | Up to £300k package with benefits + sharesAn early-stage, well-funded startup is looking for a Senior Full Stack Polyglot Engineer to help build the next generation of AI-driven control software.If you wa ...

Full Stack Polyglot Engineer

Job Description Full Stack Polyglot Engineer — London | Up to £300k package with benefits + sharesAn early-stage, well-funded startup is looking for a Senior Full Stack Polyglot Engineer to help build the next generation of AI-driven control software.If you wa ...

Data Science Engineer

Data Science Engineer (DV Cleared) Location: London or ManchesterSecurity Clearance: DV ClearedSalary: Up to £80,000 An exciting opportunity has arisen for a Data Science Engineer to support a growing Data Science function within a major public sector programme. You'll be workin ...

Principal Software Engineer

Location London - Hybrid - 1-2 days a week Type Permanent No Sponsorship Available Overview We are seeking a Principal Full Stack Software Engineer to lead the design, development, and delivery of scalable, high-performance applications across a moder ...

Software Engineer III for COMMODITIES UK

As an Athena/Python, Front Office Software Engineer at JPMorgan Chase within the Commercial and Investment Banking - Precious Metals and Agriculture - Commodities Tech team, you will be an integral part of an agile team that works to enhance, build, and deliver trusted market‑leading technology products in ...

Software Engineer, Unified Platform

Software Engineer, Unified PlatformJob LocationLondonEmployment typeRegularDepartmentTechnologyTargeted Start DateImmediateDRW is a technology-driven, diversified principal trading firm. We trade our own capital at our own risk, across a broad range of asset classes, instruments an ...

Senior Software Engineer, Unified Platform (Reference Data)

Senior Software Engineer, Unified Platform (Reference Data)Job LocationLondonEmployment typeRegularDepartmentTechnologyTargeted Start DateImmediateDRW is a technology-driven, diversified principal trading firm. We trade our own capital at our own risk, across a broad range of asset ...

Senior Software Engineer, Unified Platform (Reference Data)

Senior Software Engineer, Unified Platform (Reference Data)Job LocationLondonEmployment typeRegularDepartmentTechnologyTargeted Start DateImmediateDRW is a technology-driven, diversified principal trading firm. We trade our own capital at our own risk, across a broad range of asset ...

Software Engineer, Unified Platform

Software Engineer, Unified PlatformJob LocationLondonEmployment typeRegularDepartmentTechnologyTargeted Start DateImmediateDRW is a technology-driven, diversified principal trading firm. We trade our own capital at our own risk, across a broad range of asset classes, instruments an ...

Software Engineering Manager – Machine Learning

Location: London, UKTop Quant fund an experienced Engineering Manager / Tech Lead Manager to head a small, high-performing team focused on core ML infrastructure — distributed model training, LLM hosting/fine-tuning, and scalable deployment systems.You’ll own technical directio ...

Software Engineering Manager – Machine Learning

Location: London, UKTop Quant fund an experienced Engineering Manager / Tech Lead Manager to head a small, high-performing team focused on core ML infrastructure — distributed model training, LLM hosting/fine-tuning, and scalable deployment systems.You’ll own technical directio ...

Java Developer Algorithmic Trading

Get AI-powered advice on this job and more exclusive features. This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Tech Recr ...

Graduate Software Engineer

Graduate Software Engineer | Deep Tech Start-Up | London I am partnered with one of the UK’s most exciting deep-tech startups - a business already delivering cutting-edge technology to an exceptionally impressive client base, including some of the UK’s leading technology or ...

Software Developer

Software Engineer | Building Intelligent Systems That Make an Impact Central London 4 or 5 days a week on site Existing SC or DV Clearance is required National Security Sector An exciting opportunity has arisen for a Software Engineer to join a cutting‑edge team deve ...

Senior Backend Engineer for Real Time Trading Platforms

A leading financial services firm in Greater London is seeking a Senior Software Engineer to develop high-performance, distributed systems for electronic trading. The ideal candidate should have strong experience in C++ and Java, with a focus on building scalable platforms. You'll lead impactful initiatives and ...

Senior Lead Cloud Platform Engineer — Kubernetes & CI/CD

A leading global financial services firm is seeking a Senior Lead Software Engineer within their Accelerator Business Platform Team. In this role, you will set technical direction across squads, develop and review production code, and design scalable platform services emphasizing Kubernetes. The ideal candidate ...

Senior Principal Software Architect London Hybrid

Tata Consultancy Services seeks a Principal Software Engineer in London. In this role, you'll lead technical excellence and drive strategy in building scalable, secure solutions. You'll be tasked with mentoring engineers, promoting innovative practices, and collaborating on cloud-native architectures. Ideal cand ...

Staff Software Engineer — Order Fulfillment Platform

Marks and Spencer is seeking a Staff Software Engineer to join their Online Fulfilment team in Greater London. The candidate will lead in designing and delivering robust systems for order management, enhancing customer experience and operational efficiency. Responsibilities include overseeing end-to-end features ...

Software Engineer Associate Repo Engineering

A leading global investment banking firm in the UK is looking for a dynamic individual to join their Repo Engineering team. This role involves designing and developing software solutions to enhance electronic trading and automate workflows. The successful candidate will work closely with traders and have the opp ...

Senior Java Engineer Build Secure Risk Platforms

London Stock Exchange Group is seeking a Senior Software Engineer to develop technology platforms in London, focusing on Java and agile methodologies. The position requires 3-6 years of software engineering experience, deep knowledge of Java, and strong communication skills. The role offers opportunities for per ...

Graduate Software Engineer

Graduate Software Engineer | Deep Tech Start-Up | London I am partnered with one of the UK’s most exciting deep-tech startups - a business already delivering cutting-edge technology to an exceptionally impressive client base, including some of the UK’s leading technology or ...

Senior Software Engineer II, GenAI Platform

A global information and analytics leader in Greater London is seeking a Senior Software Engineer II to focus on generative AI and platform architecture. In this role, you will lead architectural designs, develop AI services using Python, and collaborate across cross-functional teams. The ideal candidate has ove ...

Platform Engineer

Oliver Bernard are currently seeking a strong, Mid-Level Platform Engineer (from a Software Engineering background) to join a client of ours on a digital transformation orientated project. Existing plans are focused on embracing Cloud Native, removing a lot of bespoke engineering from their environment, optim ...

Backend Software Engineer C# .Net SQL Hedge Fund

London, Greater London | £150k - £180k per year Ref: PR/ _ Backend Software Engineer / Developer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist Backend Software Engineer with a record of academic achievement? You could be progressing your career wo ...

Principal Java Developer Consultancy

Principal Java Developer / Software Engineer (Java SpringBoot AWS) London / WFH to £120kAre you an experienced Java Developer, with technical project leadership and client facing skills?You could be progressing your career at a global technology consultancy.What's in it for you: ...

Principal Java Developer Consultancy

Principal Java Developer / Software Engineer (Java SpringBoot AWS) London / WFH to £120kAre you an experienced Java Developer, with technical project leadership and client facing skills?You could be progressing your career at a global technology consultancy.What's in it for you: ...

Senior Software Engineer, Unified Platform (Reference Data)

DRW is a technology-driven, diversified principal trading firm. We trade our own capital at our own risk, across a broad range of asset classes, instruments and strategies, in financial markets around the world. As the markets have evolved over the past 30 years, so has DRW – maximizing opportuniti ...

Senior Lead Software Engineer Back end Engineer Chase UK

hackajob is collaborating with J.P. Morgan to connect them with exceptional professionals for this role. At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That’s why we launched Chase UK to transform digital banki ...

Senior Lead Software Engineer Platform / Network Engineer Accelerator Team

As a Platform Engineer in the Networking Team at JPMorgan Chase within the Accelerator, you are the heart of this venture, focused on getting smart ideas into the hands of our customers. You have a curious mindset, thrive in collaborative squads, and are passionate about new technology. By your nature, you ...

Senior Lead Software Engineer Platform / Network Engineer Accelerator Team

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Job Description As a Platform Engineer in the Networking Team at JPMorgan Chase within the Accelerator, you are the heart of this venture, focused on getting smart ideas into the hands of our c ...

Senior Lead Software Engineer Platform / Network Engineer Accelerator Team

Job Description Out of the successful launch of Chase in 2021, we're a new team, with a new mission. We're creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our suc ...

Senior Lead Software Engineer Platform / Network Engineer Accelerator Team

Job Description Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our suc ...

Senior Lead Software Engineer Platform / Network Engineer Accelerator Team

Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. We’re people-first ...

Senior Lead Software Engineer Platform / Network Engineer Accelerator Team

Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. We’re people-first ...

Quantitative Developer

Where pure quant thinking meets production reality. Our client is hiring a Senior Quant Developer to own the full arc — from pricing model to live system — at one of the most sophisticated OTC desks in digital asset markets. London · Hybrid (3–4 days in office) · Senior level · Up t ...

Senior Java Platform Engineer | Spring Boot, K8s, Cloud

NextWave Consulting Ltd is seeking a Senior Software Engineer in the UK with hybrid work options. The successful candidate will lead the development of a scalable Data Fabric platform, focusing on Java and Spring Boot microservices while mentoring team members. Required skills include hands-on experience in CI/C ...

Senior VP, Full Stack Engineer – AI‑Driven FinTech Leader

A leading global financial services firm is seeking a Senior Vice President, Full-Stack Engineer to lead high-impact teams in London. This role involves end-to-end delivery of mission-critical software, elevating engineering standards, and collaborating closely with product and business stakeholders. Ideal candi ...

Senior Athena Python Engineer Rates Risk & PnL

A leading global financial services firm is seeking an experienced Senior Athena Python Rates Senior Lead Software Engineer. In this role, you will design, develop, and integrate solutions that support trading desks and back office functions for rates products. Your responsibilities include building robust softw ...

🚀 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