Python Core Developer Jobs in UK

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AI Azure Developer: Build Intelligent, API Driven Solutions

Java Script Works in Elland, United Kingdom, is seeking an AI Azure Developer for a full-time role. The position requires experience with low-code and pro-code agent development, strong API integration skills (REST/GraphQL), and proficiency in Python and C#/Java. Familiarity with GitHub Copilot or similar AI cod ...

Low Latency Java Engineer – Algo Trading Front Office

Deutsche Bank is seeking a developer for its Quantitative Fixed Income Engineering team in London. You will focus on low latency applications, closely collaborating with engineers, quants, and traders. Ideal candidates will have strong Java skills, experience with high performance development, and familiarity wi ...

Backend Engineer — Python + PostgreSQL, Ship Complex Features

Java Script Works is looking for a backend developer based in Greater London. Candidates must have proven experience with backend focus, particularly in Python and PostgreSQL, and should be effective communicators capable of breaking down complex technical information. Familiarity with TypeScript, React, and oth ...

Graduate Trading Systems Engineer (C++/Python) – London | Yearly Ski Trip

Stars Arena is seeking a Graduate Developer for Trading Systems in London, United Kingdom. The ideal candidate should have a background in C++ and Python, showing enthusiasm for trading development. With a competitive salary of up to £50,000 plus bonus, this full-time position offers a yearly ski trip as a benef ...

Senior Agentic AI Engineer: LLM Orchestration & Multi Agent

Brewer Morris is hiring a Senior Agentic AI Developer in Reading, UK. This role involves designing and building advanced agentic AI systems using Python and modern orchestration frameworks. The ideal candidate will have hands-on experience with agentic architectures, knowledge graphs, and cloud/MLOps. Responsibi ...

Principal Embedded & IaC Developer

WorksHub is looking for a Principal Developer based in Southampton, United Kingdom. This full-time position offers up to £75K and requires strong experience in C/C++, Java, Python, and Rust, alongside a deep understanding of electronics and systems design. Candidates should be proficient in infrastructure as cod ...

Senior Software Engineer .NET, React, CI/CD Expert

Java Script Works is seeking a Senior Software Developer based in London, United Kingdom. The role requires expertise in Angular, CI/CD, and a proficient understanding of various programming languages including Python and C#. The compensation range is between £25,000 and £55,000 depending on experience ...

Junior Data Developer: Build Cloud Data Pipelines

Thatcham Research is seeking a Junior Data Developer to start a career in data and software development. You will join the Data & Development team, supporting design and delivery of data solutions that power analytics across the organization. This role focuses on developing data pipelines and integrati ...

Cloud Engineer: AWS, Terraform & Serverless Innovator

A dynamic software company in London seeks a skilled developer with experience in at least one programming language such as Node.js, Python, or C#. The role offers opportunities in infrastructure automation using Terraform and working within an AWS cloud environment. Candidates should be familiar with CI practic ...

Full Stack GIS Engineer for Public Sector Impact

A digital transformation consultancy in Altrincham is seeking a Full Stack GIS Developer. You will work on innovative digital solutions that impact public services, collaborating with a multidisciplinary team to develop scalable applications. Candidates should possess strong skills in .NET, Java, or Python and h ...

FinTech Backend/Full Stack Dev — Hybrid/Remote, Payments

A growing FinTech company in Greater London is seeking a passionate FinTech Developer to create secure, scalable financial applications. You will be responsible for developing payment systems, integrating banking APIs, and ensuring compliance with data protection regulations. The ideal candidate has 3 to 6 years ...

Risk Software Engineer Full Stack Python & AI Driven Engines

A leading financial services firm in Greater London is seeking a Software Developer to join its Technology department. This role focuses on enhancing Risk Engines and collaborating within a dynamic team. Candidates should have full-stack Python skills, experience with scalable applications, and familiarity with ...

Senior React Native Engineer | Hybrid & Growth

A leading digital technology consultancy in Greater London is seeking a React Native Developer. In this hybrid role, you will contribute to building intelligent digital products while collaborating with a diverse team. Ideal candidates will have experience in React Native, Python, and CI/CD. The position offers ...

Senior Global Threat Intelligence Platform Engineer

A leading professional services firm is seeking a developer to join their Threat Intelligence practice in Edinburgh. The role involves designing and building automation tools and RESTful APIs, ensuring reliable access to critical intelligence insights. Candidates should have strong experience in Python and JavaS ...

Senior AWS Engineer Remote Serverless & Microservices

A technology services company located in Edinburgh is seeking a skilled developer focused on cloud-native applications. This role requires strong experience with AWS services like Lambda and API Gateway, alongside proficiency in languages such as Python or Java. The position offers flexibility, a comprehensive b ...

GenAI Software Engineer — Hybrid, AI Innovation

A leading UK investment platform is seeking a Software Developer (GenAI) to join its expanding team. You'll work on innovative Generative AI solutions while collaborating in a cross-functional environment. Strong skills in Python, LLMs, and Agile practices are essential. Enjoy a supportive culture with excellent ...

Off Host Automation Techniques Developer (ONSITE– Basildon)

LocationBasildon, United Kingdom# Off Host Automation Techniques Developer (ONSITE– Basildon) at N Consulting LtdLocationBasildon, United KingdomSalary£300 - £350 /dayJob TypeContractDate PostedApril 25th, 2026Apply Now We’re Hiring – Off Host Automation Techniques Developer (ONSITE– Basildon) We’re looking fo ...

Lead Software Developer

Lead Developer - Hybrid - Worcester - C# .NET / Azure - £60,000 - £65,000 The Role Skills, Experience, Qualifications, If you have the right match for this opportunity, then make sure to apply today.An established and innovative e-commerce company is seeking a ...

Quantitative Developer (Multi Strat Hedge Fund)

A leading multi-strategy hedge fund is looking to hire a Credit Strat Developer to join a high-performing team supporting credit-focused PMs across London and APAC. Check you match the skill requirements for this role, as well as associated experience, then apply with your CV below.This ...

Senior Full Stack Developer

DescriptionAuditors and accountants spend too much time on repetitive, manual work. We are building tools to change that. Our products enable practitioners to focus on what matters most: delivering data-driven insight, identifying risk, and providing high-quality advice through accessible analytics ...

Senior Software Developer

Join us at Entrust At Entrust, we’re shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely.Get to K ...

Senior Full Stack Developer

DescriptionAuditors and accountants spend too much time on repetitive, manual work. We are building tools to change that. Our products enable practitioners to focus on what matters most: delivering data-driven insight, identifying risk, and providing high-quality advice through accessible analytics ...

Senior Software Developer

Join us at Entrust At Entrust, we’re shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely.Get to K ...

Software Engineer

This team is building an AI Operating System that autonomously runs entire companies - every revenue motion, every product decision, every operational function - with compounding intelligence across all of them. The core insight: truly consequential AI requires context no outside vendor can access. ...

Developer Agent Software Engineer Vice President London

DEVELOPER JOURNEY STRATEGY AT GOLDMAN SACHS The Developer Journey Strategy focuses on investing in the developer experience to minimize friction, promote standardization, and leverage artificial intelligence (AI) to enable seamless delivery. By streamlining processes, implementing consistent pra ...

Developer Agent Software Engineer Vice President London

DEVELOPER JOURNEY STRATEGY AT GOLDMAN SACHS The Developer Journey Strategy focuses on investing in the developer experience to minimize friction, promote standardization, and leverage artificial intelligence (AI) to enable seamless delivery. By streamlining processes, implementing consistent pra ...

Quantitative Developer

Overview 40+ leading quant firms seeking top-tier developers. Multiple immediate openings. What you'll do: Build low-latency trading systems and infrastructure Develop quantitative libraries and research platforms Optimize execution algorithms and risk systems ...

Senior Full Stack Developer 2 days a week in London £60 80k

Senior Full Stack Developer - 2 days a week in London - £60-80k I am looking for a Full-Stack Developer to join a fast-growing data and analytics company working at the intersection of data engineering, software development, and AI. This will be to design and build scalabl ...

.NET Developer

.NET Developer - Cambridge (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure SQL, .NET MAUI, GitHub Copilot, Docker, Kubernetes, Microservices architecture, Angular 21, Vue.js, TypeScript, Programmer, Full Stack Engineer, Architect, .NET Developer) ...

.NET Developer

.NET Developer (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure SQL, .NET MAUI, GitHub Copilot, Docker, Kubernetes, Microservices architecture, Angular 21, Vue.js, TypeScript, Programmer, Full Stack Engineer, Architect, .NET Developer) We ...

.NET Developer

.NET Developer - Cambridge (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure SQL, .NET MAUI, GitHub Copilot, Docker, Kubernetes, Microservices architecture, Angular 21, Vue.js, TypeScript, Programmer, Full Stack Engineer, Architect, .NET Developer) < ...

Power BI developer

Contract Power BI Developer (3–6 Months) Location: Cambridge (3 days per week onsite required) Rate: £300 - £400 per day Contract: Initial 3–6 months (with potential for extension/project-based work) We are working with an established organisation operating across multiple business units, seekin ...

Senior Software Engineer, Git Storage Remote UK

A leading developer platform is seeking a Senior Software Engineer to join their Git Systems Engineering team. The ideal candidate will have extensive experience in software engineering and a strong background in various programming languages such as C, C++, Java, and Python. Responsibilities include designing s ...

DevOps & Migration Systems Engineer

A leading managed service provider in the UK is searching for a Systems Developer with a focus on DevOps and migration. The successful candidate will be responsible for developing and enhancing system-level scripts using languages such as Shell, Perl, and Python. You will lead the migration of legacy systems whi ...

Senior Software Engineer — Dev Workflow & CI (Remote UK)

Mozilla is seeking a talented individual to enhance Firefox development workflows as a part of their collaborative and diverse team. The role includes optimizing testing processes, mentoring peers, and working with various technologies like Python and JavaScript. The ideal candidate will have strong experience i ...

I&C Web & Automation Software Engineer (Energy Projects)

Amentum is seeking a Commissioning Engineer (Software Developer) in the UK to develop and troubleshoot software supporting I&C systems. This role requires strong proficiency in Python and JavaScript, experience in web application development, and SQL database management. Responsibilities include designing techni ...

Remote Backend Engineer Go/Python/Scala (6m Contract)

A staffing and recruiting firm is looking for a mid-level backend developer to join their Ads Organization. This remote role in the UK requires at least 3 years of experience in software development with a strong proficiency in languages like Go, Python, and Scala. Responsibilities include collaborating with tea ...

.NET Developer London

(Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, .NET MAUI, ML.NET, Azure AI, GitHub Copilot, Docker, Kubernetes, .NET Aspire, CI/CD, HTML Living Standard, CSS Living Standard, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a crowd funded social advertising te ...

.NET Developer

.NET Developer – Basingstoke(Tech stack: .NET Developer, .NET 9, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Since 2006 our client’s revolutionary marketing software platform has been helping businesses all over the world t ...

.NET Developer

.NET Developer – Chelmsford(Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Since 2006 our client’s revolutionary marketing software platform has been helping businesses all over the worl ...

.NET Developer

.NET Developer – Swansea(Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Since 2006 our client’s revolutionary marketing software platform has been helping businesses all over the world t ...

.NET Developer

.NET Developer – Basingstoke(Tech stack: .NET Developer, .NET 9, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Since 2006 our client’s revolutionary marketing software platform has been helping businesses all over the world t ...

.NET Developer

.NET Developer – Chelmsford(Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Since 2006 our client’s revolutionary marketing software platform has been helping businesses all over the worl ...

.NET Developer

.NET Developer – Swansea(Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Since 2006 our client’s revolutionary marketing software platform has been helping businesses all over the world t ...

Senior Software Engineer (Libraries Platform)

Chainguard is the trusted source for open source. By delivering hardened, secure, and production-ready builds of all the open source software engineers and AI agents rely on, Chainguard helps organizations build faster, stay compliant, and eliminate risk. Our customers include Fortune 500 enterpris ...

Senior Quantitative Developer for High Performance Trading

A leading financial services firm in London is seeking a talented Quantitative Developer to build next-generation trading platforms. You will develop and maintain trading systems using C++ and Python, implement quantitative models, and contribute to architectural decisions. This role offers market-leading compen ...

Rust Quant Developer — Real Time Trading & ML

A major financial recruitment agency is looking for a Rust Quant Developer to help develop a new systematic trading platform for a top hedge fund. This role offers collaboration with a talented team, exposure to all aspects of quantitative trading, and a chance to work on high-quality machine learning systems. I ...

Senior Python Engineer — Real Time Data & Distributed Systems (Hybrid)

A leading FinTech firm in London is seeking a Senior Python Developer to work on high-performance solutions involving multi-petabyte data in a hybrid environment. The role requires extensive experience in distributed systems and the opportunity to work with an uncapped tech budget and a collaborative team. Ideal ...

Graduate Quant Developer / Researcher Hybrid London

An elite quantitative trading firm in London is seeking an exceptional graduate for the role of Graduate Quant Developer. In a hybrid working environment, you will build high-performance trading systems, research models, and collaborate with leading technologists. This unique opportunity offers a meritocratic cu ...

Hybrid BI Developer — Power BI, SQL & ML for Estates

KBR, Inc. is seeking a Business Intelligence Developer based in Swindon. The successful candidate will develop and maintain Power BI datasets, implement SQL for data transformations, and ensure data accuracy across reports. Responsibilities include monitoring pipeline performance and documenting changes. A stron ...

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