Lead Software Engineer Python Java Jobs in London, UK

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Senior Distributed Workflow Orchestration Engineer

Bloomberg in London is looking for a Senior Software Engineer - Workflow Orchestration. The role involves developing client-facing APIs, working on large-scale distributed systems, and contributing to product evolution. Candidates should have proficiency in languages like C++ or Python, strong experience with as ...

End to End ML Engineer: Deploy & Monitor Live Systems

Free-Work UK is hiring a Machine Learning Engineer to design and maintain live operational systems. In this role, you will handle critical machine learning applications, ensuring reliability and scalability throughout the ML lifecycle. Candidates should have deployment experience, a strong software engineering b ...

Senior DevRel Engineer: AI & Community Advocate

Expedia Group is seeking a Senior Developer Relations Engineer to empower developers through community engagement and innovative solutions. This role requires 8+ years of software development experience and strong proficiency in Python along with AI expertise and familiarity with cloud platforms like AWS. The su ...

Senior Software Engineer, Cloud Simulation (Hybrid/Remote)

Wayve is looking for a Software Engineer to join their Simulation Technology team in London. This full-time role involves evolving core components of the simulation platform and collaborating with robotics and research teams. Candidates should have extensive experience in Python, workflow orchestration systems, ...

Forward Deployed AI Engineer for Production Systems

Immersum is seeking a Forward Deployed AI Engineer in Greater London to design, build, and deliver cutting-edge AI solutions for high-profile clients in capital markets and investment management. The role demands expertise in Python and cloud architecture, with responsibilities including developing AI-driven sys ...

Applied AI Engineer II – ML, GenAI on AWS

JPMorgan Chase is seeking a Software Engineer III to contribute to the International Consumer Bank by developing advanced machine learning models and overseeing generative AI application deployment. The role requires an advanced degree in a STEM field and proven experience in AI/ML. Expertise in Python, TensorFl ...

Robotic Test Engineer II: End to End Robot & Simulation QA

Groupe-Ebra-1 is seeking a Robotic Test Engineer in Greater London to support software validation and metrics collection for humanoid robots. The role involves executing test pipelines, running regression tests, and developing metrics reporting. Candidates should have over 3 years in test engineering, strong Pyt ...

Founding Research Engineer Ontology & Knowledge Graphs

60x.ai is seeking a software engineer to work on the AI Brain platform in Greater London. The role involves designing hierarchical ontology generation, developing per-tenant configuration mechanisms, and creating evaluation pipelines for generated ontologies. Candidates should have expertise in Rust and Python, ...

Forward Deployed AI Solutions Engineer (Hybrid)

Zendesk Group is searching for a Forward Deployed Engineer based in Greater London, UK. In this role, you will design and deliver production-grade AI solutions, collaborating with strategic customers. Ideal candidates have over 5 years in software engineering, expertise in Python and JavaScript, and experience w ...

Real Time Energy ML Engineer for Emissions Impact

Linkedin is seeking a Machine Learning Engineer based in Greater London to work on real-time energy optimisation using Python and machine learning. This full-time role involves taking ownership of technical challenges and building software aimed at reducing emissions. Ideal candidates should be proficient in pro ...

Generative AI Back End Engineer — Scalable Systems

Neo4j is looking for a Staff-Level Full-Stack Software Engineer in Greater London. You will expand the suite of GenAI offerings and be responsible for designing, developing, and maintaining high-performance back-end systems using Python. The ideal candidate should also stay current with advancements in GenAI tec ...

Data & Software Engineer: Build Scalable Internal Tools

Xcede Recruitment Solutions in London is seeking a hands-on Data & Software Engineer to enhance their Technology & Data team. This role involves developing internal tools, automating processes, and creating scalable systems that support business operations. The ideal candidate will have strong Python s ...

Senior Software Engineer (Django) – Scale a Global Platform

Stars Arena is seeking a Senior Software Engineer in Greater London to develop and enhance their investment reporting platform, Serpentine. This web application, built with Python and Django, manages large and multilingual client websites. The role involves contributing to the design, development, and maintenanc ...

Index Distribution Engineer Cloud Native Data Platforms

A leading financial data provider is seeking a Junior Software Engineer to join its team in London. The successful candidate will develop and maintain index distribution platforms, ensuring seamless delivery of products to clients. Key technologies include Python, Angular, and AWS. Ideal for individuals who are ...

Senior Backend Engineer Scale Impact, Stock Options

A leading financial technology firm in Greater London seeks a Senior Backend Engineer to enhance their product development. The ideal candidate will possess over 5 years of experience in software engineering and be skilled in Python and related technologies. Responsibilities include designing scalable systems an ...

AI Engineer Remote, Growth & SC Eligible

A leading technology solutions provider is seeking an AI Engineer in Greater London. This role involves designing and deploying AI applications for clients across various industries, particularly in government sectors. The candidate should possess at least 3 years of software engineering experience and be profic ...

SDE II: Navigation & Traffic Backend

A location technology platform in Greater London is looking for a Mid-Senior Software Development Engineer II in Navigation Traffic. In this role, you will balance rapid development of navigation solutions with system reliability as demand scales. Ideal candidates will have over 5 years of experience in backend ...

Founding AI Control Engineer for Greenhouse Ops

Optimal Agriculture is seeking a Founding Forward Deployed Engineer to connect AI systems with greenhouse operations in Greater London. You will engage with growers, monitor production behavior, and build tools to enhance onboarding and customer interactions. Candidates should possess strong communication skills ...

Backend Engineer, Agentic Systems & Simulation

Anduril is seeking a highly driven Software Engineer in Greater London to enhance their simulation capabilities for military applications. This role involves architecting backend services and agent integration, requiring a Bachelor's degree in Computer Science and proficiency in Go and Python. The ideal candidat ...

Automation & AI Engineer: Build Scalable AI Workflows

Tecknuovo is looking for a Technical Automation & AI Engineer to design and operate automations, integrations, and AI-driven tools. You will be accountable for creating reliable automated workflows that enhance internal operations and client delivery. The ideal candidate will bring experience in software enginee ...

SDE II: Navigation & Traffic Backend

A location technology platform in Greater London is looking for a Mid-Senior Software Development Engineer II in Navigation Traffic. In this role, you will balance rapid development of navigation solutions with system reliability as demand scales. Ideal candidates will have over 5 years of experience in backend ...

Maritime Fleet Performance Engineer for Vessel Efficiency

A leading logistics provider in Greater London is seeking a Fleet Performance Engineer to optimize operational efficiency. The role involves monitoring vessel performance, improving software solutions, and managing emissions compliance. Candidates should have an M.S.C. or PhD degree in a relevant field, fluent E ...

Full Stack Engineer — Platform Performance

A leading freelancing platform is looking for a Full Stack Software Engineer in London. In this role, you will work across the stack to optimise performance through frontend and backend technologies. Candidates should have 2-4 years of experience, strong skills in Angular and TypeScript, as well as familiarity w ...

End to End ML Engineer: Deploy & Monitor Live Systems

Free-Work UK is hiring a Machine Learning Engineer to design and maintain live operational systems. In this role, you will handle critical machine learning applications, ensuring reliability and scalability throughout the ML lifecycle. Candidates should have deployment experience, a strong software engineering b ...

Senior Distributed Workflow Orchestration Engineer

Bloomberg in London is looking for a Senior Software Engineer - Workflow Orchestration. The role involves developing client-facing APIs, working on large-scale distributed systems, and contributing to product evolution. Candidates should have proficiency in languages like C++ or Python, strong experience with as ...

Senior Platform Engineer, Chem Bio AI Security London

The AI Security Institute in London is seeking a Senior Engineer to join their Chem Bio team. The successful candidate will design and build reliable systems for varied AI-related research projects, primarily using Python. Strong experience in scalable software, infrastructure, and AI systems is required. The po ...

Senior Software Engineer — Build the Next Gen Travel Platform

A leading travel management company is seeking a Senior Software Engineer to work on their next-generation platform for business travel. The ideal candidate will have extensive experience in product development using Python/Django and React, with a strong focus on quality and simplicity. This position requires a ...

Senior Full Stack Engineer for AI Platform & Data Viz

Retelligence in Greater London seeks a motivated Full Stack Engineer to join a senior team building advanced AI platforms. The role encompasses managing the entire feature lifecycle, from backend services to interactive frontend experiences. Candidates should excel in Python and TypeScript with a strong grasp of ...

Senior AI Platform Engineer for Enterprise scale Impact

Writer is seeking a Senior Software Engineer to empower enterprises in adopting AI-powered solutions. Your role will involve making architectural decisions and developing secure, scalable systems that enable generative AI applications. This role requires 5+ years of Python experience and expertise in deploying A ...

Senior Consultant, AI & Data, WAM, FS in London Ernst & Young

Data Organisation Demonstratable interest and awareness in emerging technologies Hands-on coding experience with SQL, Python or Scala What We Look For We are looking for highly motivated individuals who are passionate about Data and Analytics and want to assist... </ ...

Senior Trading Systems Engineer – Real Time, Low Latency

A leading financial technology company is seeking a software engineer to join their Electronic Trading team. This role involves developing high-performance distributed systems, working with C++ and Python, and partnering with engineering and product teams. Candidates should have a degree in a related field and e ...

Real Time Energy ML Engineer for Emissions Impact

Linkedin is seeking a Machine Learning Engineer based in Greater London to work on real-time energy optimisation using Python and machine learning. This full-time role involves taking ownership of technical challenges and building software aimed at reducing emissions. Ideal candidates should be proficient in pro ...

Forward Deployed AI Engineer for Production Systems

Immersum is seeking a Forward Deployed AI Engineer in Greater London to design, build, and deliver cutting-edge AI solutions for high-profile clients in capital markets and investment management. The role demands expertise in Python and cloud architecture, with responsibilities including developing AI-driven sys ...

Senior Neurosymbolic AI Platform Engineer

UnlikelyAI is seeking a Senior Software Engineer in Greater London to join their team in developing innovative AI solutions. This role requires deep coding skills in Python and experience with cloud infrastructure, prioritizing production-quality engineering. Candidates will contribute to building a public API a ...

Senior ML Engineer — Real Time AI Pricing (Remote)

Hopper is looking for a Software Engineer to join their Fintech Foundation team in Greater London. This role involves designing and implementing machine learning systems that power Hopper's pricing engine, directly impacting revenue and customer experience. The ideal candidate will have 5+ years of experience, p ...

AI Engineer Remote, Growth & SC Eligible

A leading technology solutions provider is seeking an AI Engineer in Greater London. This role involves designing and deploying AI applications for clients across various industries, particularly in government sectors. The candidate should possess at least 3 years of software engineering experience and be profic ...

Applied AI Engineer II – ML, GenAI on AWS

JPMorgan Chase is seeking a Software Engineer III to contribute to the International Consumer Bank by developing advanced machine learning models and overseeing generative AI application deployment. The role requires an advanced degree in a STEM field and proven experience in AI/ML. Expertise in Python, TensorFl ...

Senior AI & Data Consultant | Full Stack Engineer

Data Organisation Demonstratable interest and awareness in emerging technologies Hands-on coding experience with SQL, Python or Scala What We Look For We are looking for highly motivated individuals who are passionate about Data and Analytics and want to assist... </ ...

Developer Golang

Client: Largest American Credit Card Company Apply (by clicking the relevant button) after checking through all the related job information below.Location: Burgess Hill 3 days/week Years of Exp: 6-9 years Skills: Go, Java, Git, REST, Jenkins, NoSQL, Postgres/ql £40-£ ...

Senior Software Engineer at Series A neurosymbolic AI startup founded by Alexa creator

Job Title Senior Software Engineer Salary Not Disclosed Company Description Series A neurosymbolic AI startup founded by the creator of Amazon Alexa Job Description You will architect the future of reliable AI by merging LLMs with proprietary ...

Senior Software Engineer at Series A neurosymbolic AI startup founded by Alexa creator

Job Title Senior Software Engineer Salary Not Disclosed Company Description Series A neurosymbolic AI startup founded by the creator of Amazon Alexa Job Description You will architect the future of reliable AI by merging LLMs with proprietary ...

Staff Machine Learning Engineer

The Personalization team makes deciding what to play next easier and more enjoyable for every listener. From Blend to Discover Weekly, we’re behind some of Spotify’s most-loved features. We built them by understanding the world of music and podcasts better than anyone else. Join us and you’ll keep millions of ...

Intermediate Data Engineer

IDEXX is looking for a Intermediate Data Engineer to join the Veterinary Software team in London! This is an exciting opportunity for a a data engineer looking to expand their technical leadership skills and make an impact in a meaningful industry. This role will be hybrid 2 days onsite in our Wimbl ...

Lead Java Developer (Must hold active SC, 12 month Fixed Term Contract)

Requirements Proven experience leading development teams within agile environments Expert knowledge of Java (11/17/21) and the Spring Boot framework Strong understanding of microservice architecture and API principles Skilled in TDD/BDD, Docker, and containeris ...

Post Quantum Cryptographic Testing & Automation Engineer

Post-Quantum Cryptographic Testing & Automation Engineer Post-Quantum Cryptographic Testing & Automation Engineer 1 day ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. GlaxoSmithKline (GSK) is a science-led global healthcare c ...

Post Quantum Cryptographic Testing & Automation Engineer

Post-Quantum Cryptographic Testing & Automation Engineer Post-Quantum Cryptographic Testing & Automation Engineer 1 day ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. GlaxoSmithKline (GSK) is a science-led global healthcare c ...

Forward Deployed Engineer

We build AI technology for the metals industries. Our products work reliably in high-volume production environments 24/7, making billions of dollars worth of decisions. Because we work at the intersection of metals industries and AI, we solve problems involving manufacturing operations, physics and ...

Internal Consulting Systems Engineer

Internal Consulting Systems EngineerOverviewWe are seeking an Internal Consulting Systems Engineer to support, evolve, and automate solutions and tools that optimize pre-sales department workflows. This role blends cybersecurity expertise, systems engineering, and software developm ...

Lead AI Platform Engineer – Backend & AI Apps

London Stock Exchange Group is seeking a Lead Engineer to drive development of secure, scalable digital products. The role entails backend and frontend system management, guiding teams, and implementing engineering best practices. Candidates should have over 5 years of experience, knowledge in Java/Kotlin, Sprin ...

Lead FX Pricing & Trading Systems Engineer

Citibank (Switzerland) AG is seeking a highly skilled Java Engineer to lead technology initiatives in Foreign Exchange (FX) systems. This full-time role based in Greater London involves hands-on coding, team management, and collaboration across FX Technology to implement innovative solutions. Key skills include ...

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