Lead Software Developer Python Jobs in UK

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Backend Engineer

Backend Engineer Hybrid London | 3 to 4 days per week in a Central London office Neulinx have partnered with a fast-growing, Series A software company building collaborative canvas technology and developer tools used by millions of people ...

Backend Engineer

Backend Engineer Ready to make your application Please do read through the description at least once before clicking on Apply.Hybrid London | 3 to 4 days per week in a Central London office Neulinx have partnered with a fast-growing, ...

Senior PHP Web Developer

Role: Senior Software Developer Division : Pearson Assessment Services Location : Rotherham, Oxford, London or Manchester Salary : £45 – 55k, plus on target bonus of 8% About Pearson : Our purpose at Pearson is to help everyone a ...

Generative AI Engineer

Role Overview We are seeking a highly skilled Senior Developer with expertise in Python, Generative AI, Vector Databases, and Spark. The role focuses on building scalable AI-driven applications and data processing solutions. Python Development Devel ...

Senior Fullstack engineer

TEC Partners is currently collaborating with the latest AI Unicorn, They are after a Senior / Principal / Staff Engineer to join their core services team, and you will lead the charge in building and maintaining a distributed system for user-specific voices. This role offers the unique opportunity to contribu ...

Senior Data Platform Engineer I Database Platform Python

Job DescriptionYou’ll work on high-scale systems used by hundreds of engineers, shaping how we run databases globally through automation, observability, and platform thinking - developing the internal database platform, automation, and tooling that powers hundreds of databases across multiple enviro ...

Quantum Research Scientist with Python / Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not ...

Quantum Research Scientist with Python / Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not ...

Senior Python Engineer – AI Unicorn – London Scale Up

Job Description The Role As a senior backend python engineer for this Computer Vision Scale up you will build highly scaleable data intensive cloud based services and infrastructures that power AI based systems. You will be part of a multidisciplinary team where each member ...

Quantum Research Scientist with Python / Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not ...

Quantum Research Scientist with Python / Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not ...

Senior Backend Python Engineer AI Platform, Vice President

Are you looking for a career move that will put you at the heart of a global financial institution? We are seeking an exceptionally skilled Senior Python Software Engineer to architect and implement robust, scalable backend systems that power our advanced AI tools and services. This hands-on individual contri ...

Senior Python Engineer – Data Ingestion – HealthTech – $100m Funding

Job Description The Role As a senior python engineer on the data ingestion team you will work closely with senior stakeholders in the business to build out a Data Ingestion framework and infrastructure that allows seamless transfer of data 24/7. You will •Develop ...

AI Python Engineer Contract Dublin 6 18 Months

AI Python Engineer Contract Dublin 6-18 Months. My client a leading global firm is in urgent need due to a new greenfield project of hiring a talented and experienced AI Python Engineer to join them on a contract basis for 6 months rolling up to 18-20 months.The role focuses on building and operating pro ...

Python Engineer at a Global Private Equity Firm

Are you a Python Engineer in finance looking to work on greenfield projects? This is an opportunity to join a global private equity firm that is taking a tech-first approach. You’ll be working as a Python Engineer, closely with stakeholders across both investments and technology. ...

Senior Python Engineer Remote AI Delivery, Early Stage

SPECTRUM IT is looking for a Senior Software Engineer skilled in Python for a fully remote role across the UK. You will join a small, talented team to build production-grade systems in the exciting AI delivery space. Your responsibilities will involve designing APIs, deploying systems, and shaping the engineerin ...

Hybrid ML Engineer: Production AI with Python & C#

Investigo is seeking a Machine Learning Engineer to join an advanced analytics team in Nottingham on a 3-month contract. The role involves developing production-grade machine learning systems, managing large-scale datasets, and collaborating closely with data scientists and engineers. Essential skills include ex ...

Remote Senior Backend Engineer Python & Scale for Impact

A mission-driven tech scale-up is seeking a Senior Backend Engineer to design, build, and scale their core software platform. This hands-on role involves creating backend services in Python and improving system performance while collaborating with a high-performing team. The ideal candidate has strong experience ...

Head of Engineering – Scaleup (London/AWS, Go & Python)

A fintech talent acquisition agency is seeking a Head of Engineering to lead a team of backend engineers in a hybrid working environment. The ideal candidate will have over 9 years of backend engineering experience, with 6+ years in leadership. Responsibilities include mentoring engineers, implementing operation ...

Senior Python AI Backend Engineer – Credit Risk (Hybrid)

Remarkable Resourcing is looking for a Senior Python Software Engineer to join a high-impact consultancy in London. This contract position involves designing and building scalable backend systems for cutting-edge AI solutions, particularly in credit risk analysis. Responsibilities include developing production-r ...

Senior Python Engineer Remote, AI Driven Production Systems

Spectrum IT Recruitment is looking for a Senior Software Engineer skilled in Python to join a rapidly growing team focused on AI solutions. This fully remote role involves building production-grade systems, designing APIs, and contributing to deployment strategies. The company fosters an engineering culture that ...

Staff ML Engineer (Python) — Real Time pLTV & Growth

Dex is looking for a specialist to join a high-growth, profitable technology company in London. This role focuses on designing and scaling production-grade ML systems while optimizing personalized reward mechanisms. Candidates should have a strong background in statistical methods and machine learning, particula ...

Senior Python Engineer — AR/VR Data Capture Systems

A global technology firm based in London is seeking an experienced Software Engineer to join their Reality Labs research team. The role involves developing software for prototype wearable devices and optimizing data collection platforms. Candidates should have over 8 years of experience, strong Linux skills, and ...

Senior Firmware Engineer — Power Systems & ARM (C/Python)

A technology company in the United Kingdom is seeking a Senior Firmware Engineer to join their Engineering Team. You will design, develop, maintain, and test firmware and software for innovative power systems and motor controllers. The ideal candidate will have experience with ARM MCUs in C and Python, along wit ...

Senior Python Engineer Real Time Data, Remote & Equity

Vortexa Ltd is seeking a talented engineer to design and build robust data processing infrastructure in a fast-paced environment. The role includes ensuring data pipeline reliability and collaborating with engineers and data scientists. Candidates should have experience in Python, distributed systems, and backen ...

Senior Python Engineer – ML for Carbon Reduction (Hybrid)

A leading technology scale-up located in London is looking for a Senior Software Engineer with expertise in Python and AWS. This role emphasizes collaboration within cross-functional teams to tackle climate change challenges using machine learning technology. The company offers a flexible work environment, promo ...

Senior Web Engineer Hybrid London/Amsterdam, Python/Django

A technology firm is hiring a Senior Software Engineer to design and maintain high-performance web applications. This role requires strong Python and JavaScript skills, along with experience in frameworks like Django. The ideal candidate will manage features across teams, partake in peer reviews, and support pro ...

Senior Machine Learning Scientist Bioinformatics, Python, ML Europe

Senior Machine Learning Scientist - Bioinformatics, Python, ML - Europe, Remote A large global organization are seeking a Senior Machine Learning Scientist to develop and evaluate internal predictive models linking viral genotype and phenotype data based sensitivity analyses. The ro ...

Senior Backend Python Engineer AI Platform, Vice President

Are you looking for a career move that will put you at the heart of a global financial institution? We are seeking an exceptionally skilled Senior Python Software Engineer to architect and implement robust, scalable backend systems that power our advanced AI tools and services. This hands‑on individual con ...

Backend Platform Architect for AI Systems (Python) + Equity

SR2 | Socially Responsible Recruitment | Certified B Corporation™ is seeking a Senior Backend Engineer in London to design and build robust backend systems using Python. You will work with a high-calibre startup developing an agentic AI product, focusing on infrastructure and tooling. Responsibilities include de ...

Bayesian MMM Data Scientist (Python, PyMC) Hybrid/Remote

Ventula Consulting, a leading pharmaceutical client, seeks a Senior Data Scientist based in London. This role involves driving marketing effectiveness through data modeling and working with the Data Science team to ensure robust model development. Requires strong skills in Python, R programming, and experience w ...

Senior Data Platform Engineer Java/Python, Risk Tech

A leading financial services firm is looking for a Senior Lead Software Engineer to join their Data Platform & Strategy team in Greater London. In this role, you will design and enhance advanced data engineering solutions that support business objectives. You will collaborate with agile teams and drive innovatio ...

Senior Python/Java Cloud Engineer — AI, AWS & RAG

A global financial services leader in the UK is seeking a Senior Python Engineer to develop high-quality production code for cloud-based systems. This role involves optimizing AI-driven workflows and contributing to an agile team. The ideal candidate possesses advanced proficiency in Python and hands-on experien ...

Senior Backend Engineer (Rust/Python) for Financial Tech

A financial services technology firm in the UK is seeking a financial software engineer to join their back-end team. This role includes engaging with stakeholders, designing solutions for data integration, and implementing cloud-native applications on AWS using Rust and Python. The ideal candidate will have a Ba ...

Senior Python Engineer AI SaaS, Hybrid, Growth Path

R3vamp in Greater London seeks a Senior Python Engineer to work in a squad developing features for an AI SaaS platform. This role involves designing and building RESTful APIs, processing large datasets, and collaboration with cross-functional teams. Ideal candidates should have a degree in a relevant field, over ...

Senior Full Stack Architect: Python/TS, Azure & AI

A managed service provider in Dundee is seeking a Senior Engineer to drive technical architecture on complex client projects. You will design robust systems, mentor engineers, and utilize AI tools within Azure environments. Ideal candidates will possess expertise in Python, TypeScript, and CI/CD practices. This ...

Remote Senior Python Engineer — Public API & AI Backend

Photoroom is seeking a Senior Python Engineer for its Public API team. The role involves designing and evolving our public API product, crucial for accessing Photoroom's AI capabilities. Candidates should have strong backend experience in Python and skills in API design, particularly with FastAPI. The position s ...

Graduate Full Stack Engineer (Python/React) Fintech Growth

targetjobs UK is seeking a motivated Graduate Full Stack Engineer to join its tech team in Birmingham. The role involves working on backend-focused tasks while contributing to frontend features using technologies like Python, FastAPI, Next.js, and TypeScript. Ideal candidates are recent graduates with a degree i ...

Backend Python Dev for Net Zero Energy Solutions

A renewable energy consultancy is seeking a Senior Software Developer to work on innovative products aimed at reducing energy use and carbon emissions. The role involves developing web services, collaborating with a dedicated team, and contributing to low carbon technology projects. Candidates should have at lea ...

Genomics Data Scientist Python, ML & SQL in Cambridge

Java Script Works in Cambridge is seeking a Data Scientist to drive data analysis and statistical modeling for next generation sequencing data. The ideal candidate will have strong skills in Python, SQL, and relevant libraries such as pandas and scikit-learn. This full-time position offers competitive compensati ...

Remote Python Systems Engineer for AI Collaboration (Contract)

A leading AI solutions provider is seeking a Software Engineer to work remotely on contract for 1 month at $100 per hour. The ideal candidate will develop complex Python systems and collaborate with AI research teams to enhance model performance. Applicants should have experience at top U.S. tech firms and a str ...

Senior Backend Engineer (Python/Django) — Scale, Mentor & Impact

Preply is looking for a Senior II Backend Engineer to create and enhance backend features using Python/Django while leading cross-functional initiatives. This role requires experience in architectural patterns of large-scale applications and strong communication skills in English (B2+). The position focuses on b ...

Contract Data Scientist Python, SQL & ML (Project Based)

Mindrift in Manchester seeks a data science expert to design and document complex computational problems across industries. The candidate should have over 5 years of hands-on experience, a strong portfolio, and proficiency in Python and SQL. Knowledge of GenAI technologies and MLOps practices is essential. The r ...

Senior Python Engineer | London (Hybrid) | Flask, AWS, Terraform

Senior Python Engineer | London (Hybrid) | Flask, AWS, Terraform OB have partnered with a fast-growth scale‑up backed by top tier investors, and having raised over £50m in funding, they are looking for a Senior Python Engineer with experience in Infrastructure to work cross functionally with the ...

Contract Data Scientist Python, SQL & ML (Project Based)

Mindrift is seeking a highly skilled data scientist to design and develop original computational problems for diverse industries in Birmingham, UK. Applicants should have over 5 years of experience and demonstrate a strong portfolio showcasing their problem-solving abilities. The role demands expertise in Python ...

Pricing Data Scientist Python for GI/Personal Lines

Arthur Financial, an innovative personal lines insurer in Greater London, is seeking a Modelling Specialist / Pricing Data Scientist to elevate their modelling capabilities. The role involves building and testing pricing models, integrating third-party data, and peer code reviews. Ideal candidates will have stro ...

FinTech Data Scientist | Python & SQL, Onsite in Newcastle

Client Server in Newcastle upon Tyne is looking for a Data Scientist experienced in Python and SQL to join their team. The role involves analyzing large data sets to identify financial trends and working in an Agile environment. The successful candidate will enjoy a competitive salary up to £80k, bonus, and bene ...

Hybrid Data Scientist Python, ML for Business Insights

Oscar is looking for a mid-level Data Scientist to join their team in Nottingham. The ideal candidate will have at least 3 years of experience in data science, with strong proficiency in Python and a solid understanding of machine learning. The role involves working on various analytical and machine learning tas ...

Data Platform SRE — Scale Distributed Systems (Go/Python)

Golang Works is seeking a Site Reliability Engineer (SRE) for their Data Platform in London. You will design, author, and release code in Go or Python while managing and scaling distributed systems across various cloud environments. The role requires expertise in reliability and experience with S3-compatible sto ...

Senior Python AI Engineer for Live Recommendations (Hybrid)

Mindera is looking for a Senior AI Engineer to join their team responsible for the AI Stylist, a live, AI-driven product. This production-focused role requires strong Python skills and experience with AI applications, particularly in recommendations. The position involves collaborating with engineers and data sc ...

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