Lead Software Developer Python Jobs in UK

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AI Software Engineer (Remote) (Southampton)

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

AI Solutions Engineer (Remote) (Leicester)

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

Remote Software Backend Engineer (M/W/D)

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

AI Safety Engineer (Remote) (Brighton)

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

Remote Software Backend Engineer (M/W/D)

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

Applied AI Engineer (Remote) (Southampton)

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

Software Engineer AI (Remote) (Bradford)

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

Freelance Software Engineer (Remote) (Manchester)

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

AI Integration Engineer (Remote) (Newcastle upon Tyne)

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

LLM Engineer (Remote) (Leicester)

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

Remote Software Backend Engineer (M/W/D)

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

Remote Software Backend Engineer (M/W/D)

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

AI Engineer (Remote) (Oxford)

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

LLM Engineer (Remote) (Brighton)

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

Agentic AI Engineer (Remote) (Cardiff)

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

Technical Consultant Remote

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

AI Quality Engineer (Remote) (Belfast)

About the Project Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to design, co ...

Software Engineer (Full Stack)

Title Software Engineer (Full stack) Reports to Engineering Manager Group Digital & Synthetic Capability Unit (D&S) Level S2 Work Arrangement Hybrid Position Summary Metrea is seeking a dynamic and highly mo ...

Senior Systems Engineer, AI/ML for Workers API

A leading technology company in Greater London seeks a Senior/Principal Systems Engineer to lead AI/ML initiatives. This role involves maintaining a model catalog and developing products that enhance developer experience. Candidates should have strong expertise in Python for AI, particularly in frameworks like P ...

Android Developer

Join to apply for the Android Developer role at WarCollar Industries, LLC 2 weeks ago Be among the first 25 applicants Join to apply for the Android Developer role at WarCollar Industries, LLC Get AI-powered advice on ...

Python Senior Developers AI Training UK

Overview Prolific is building the biggest pool of quality human data in the world, with over 35,000 AI developers, researchers, and organizations using our platform. Role Senior Python Developer – join our Expert Network to train and evaluate cutting‑edge AI models. Successful c ...

Lead Developer – Real Time Investment Data Systems

The Role We are seeking a Lead Developer to work on the design and delivery of real‑time and time‑series data platforms within our investment management technology team. This role combines hands‑on engineering with domain expertise, setting direction for systems that underpin market data, trading ...

Senior ServiceNow Developer

Join to apply for the Senior ServiceNow Developer role at DWP Digital 3 days ago Be among the first 25 applicants Join to apply for the Senior ServiceNow Developer role at DWP Digital Get AI-powered advice on this job ...

Senior Software Developer, Creature Performance (Brahma AI A DNEG Dedicated Unit of Brahma)

We are creating a team to push the boundaries of Creatures technology in Visual Effects and Feature Animation. Together with our artists we are sketching our vision of the future in Creatures and define the development that will turn such vision into a reality. This role will be a fundamental part ...

Senior Platform Engineer Core Platform

Overview Senior Platform Engineer at Fanatics Betting & Gaming (FBG) is part of the Platform Engineering team. This role sits in either the Runtime/Compute or the Developer Experience/CICD squad. You will work across cloud infrastructure, Kubernetes platforms, CI/CD systems, and internal d ...

Senior Developer

Senior Developer You will take a central role in shaping the technical direction of bespoke hardware and software solutions that support critical communication infrastructure. This position offers the opportunity to lead system design processes and mentor a growing team while working with advanced ...

Senior Engineer (Vice President)

Role As a Senior Engineer you will be responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Abou ...

Software Engineer (AVP) Belfast

Role As a Senior Engineer you will be responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. About the ...

Software Engineer (AVP) Belfast

Role As a Senior Engineer you will be responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. </b ...

Senior Software Engineer

Senior Software Engineer Ocho are delighted to be working with an innovative and growing technology business as they look to add a Senior Software Engineer to their expanding engineering team. This is an excellent opportunity for a senior developer who wants real ownership, ...

Senior C# Developer.Net Core FinTech

Senior C# Developer / Backend Software Engineer (C# .Net Core) *Newcastle onsite* to £130k+Are you a backend focused C# Developer with a strong academic background, looking to take the next step in your career? This is an opportunity to work on complex, high-impact systems at a growing FinTech s ...

C# Senior Software Engineer

This range is provided by Adria Solutions Ltd. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range C# Senior Software Developer – Exciting Opportunity with a Growing Tech Company Are you an experienced .NET and Azure devel ...

Engineering Manager

Snyk is the leader in secure AI software development, helping millions of developers develop fast and stay secure as AI transforms how software is built. Our AI-native Developer Security Platform integrates seamlessly into development and security workflows, making it easy to find, fix, and prevent vulnera ...

Quant Developer : Elite Quant Fund : Python/C++ : £150 200k base plus huge bonus

Quant Developer : Elite Quant Fund : Python/C++ : £150-200k base plus huge bonus London, England, United Kingdom We are partnering with one of London’s most selective and highest-performing quantitative investment funds to appoint a Quant Developer to their core systematic trading group. ...

Senior Software Engineer — Pricing AI (Manchester)

Senior Software Engineer — Pricing AI (Manchester) The Role We are seeking a talented Senior Developer with a strong focus on Python-based AI/ML development, automation, and general software engineering. The successful candidate will play a key role in building and deploying machine learn ...

Senior BI Developer Power BI, Fabric Lakehouse, Remote UK

A leading global organisation seeks a skilled Senior BI Developer to design and optimise BI solutions in a modern, international landscape. You will lead the development of Power BI reports and complex SQL, Python, and PySpark solutions, while coordinating and mentoring a BI team. The role offers opportunities f ...

Python Backend Engineer – Cloud Integrations (Azure)

A professional services firm based in London is seeking a Backend Developer to lead the integration of their finance system into a cloud-based platform. The ideal candidate will have strong skills in Azure Service Bus and Python development, as well as experience in building robust integrations. This contract ro ...

Senior AI Software Engineer, Gaming & Coding Agent

Tencent Overseas IT has the mission to empower Tencent’s rapid global growth with future ready, global IT platforms, applications and services. We are chartered to lead the Overseas IT strategy, architecture, roadmap and execution. Satisfying our internal/external customers and becoming a world class globa ...

Senior DevOps Engineer

The Role We're hiring a Senior DevOps Engineer to own our CI/CD platform and developer experience. You'll be the person who makes shipping software fast, safe, and enjoyable, building the foundations that every engineering team relies on daily. What You'll Do Own and evolv ...

Senior Java Developer API Security

Overview Senior Java Developer / Backend Software Engineer Cambridge / WFH to £75k Are you a backend focused Java technologist? You could be progressing your career in a senior, hands-on role at a market leading software house whose remote access product is used by hundreds o ...

Lead Real Time Investment Data Architect

Vanguard is seeking a Lead Developer for Real Time Investment Data Systems in London. You will lead the design and delivery of cutting-edge data platforms, integrating with major market data vendors. The role requires 8+ years of experience in financial services, strong hands-on skills with Python and AWS, and a ...

Developer Support Engineer

Join to apply for the Developer Support Engineer role at Braintrust Base pay range $139,400.00/yr - $228,850.00/yr About The Company Braintrust is the AI observability platform. By connecting evals and observability in one workflow, Braintrust gives build ...

Senior Software Engineer

Get AI-powered advice on this job and more exclusive features. This range is provided by Rise Technical. 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 Rise Technical Softwar ...

C++ Developer (Energy) – London – £800 900/day

C++ Developer (Energy) – London – £800-950/day There is flex on the day rate for the right candidate We’re working with an industry leading energy client that is looking for a proficient C++ Developer for an initial 6 month contract. This role will fall inside IR35 and will require ...

Senior Software Engineer I, Infrastructure

Senior Software Engineer I, Infrastructure London, England, United Kingdom Join Axon and be a Force for Good. Your Impact As a Senior Software Engineer on Dedrone’s Infrastructure Services team, you will design, build, and evolve the core systems that power both our de ...

Senior Embedded Software Engineer

Title Senior Embedded Software Developer Location Commutable to Hertfordshire, Cheltenham, and Bristol. Mostly on-site: 4 days per week at customer site, 1 day remote where appropriate. Clearance Must be eligible and willing to undergo DV clearance (British Cit ...

Senior Embedded Software Engineer

Title Senior Embedded Software Developer Location Commutable to Hertfordshire, Cheltenham, and Bristol. Mostly on-site: 4 days per week at customer site, 1 day remote where appropriate. Clearance Must be eligible and willing to undergo DV clearance (British Cit ...

Senior Quant Algo Developer

Join us as a Senior Quant Algo Developer at Barclays, supporting the Equity Flow Derivatives business, where you will help build our algorithmic volatility trading stack and market-facing analytics. In this role, you will work alongside traders, developers, quants, compliance, and risk teams to help manage ri ...

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    Lead Software Developer Python Jobs in United Kingdom Job Search Guide, Trends and Insights