Python Core Developer Jobs in UK

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Platform Engineer: Cloud Infra, CI/CD & Observability

A technology-enabled advisory firm in Greater London seeks a Platform Engineer to enhance its AWS infrastructure and support developer tooling. The role involves developing cloud-native services and optimizing CI/CD pipelines while collaborating with quantitative teams. Candidates should have at least 1 year of ...

Senior AWS Cloud Engineer – Remote, Serverless & IaC

A leading technology company in Manchester is seeking an experienced developer to design and build cloud-native applications using AWS services. You will work with cross-functional teams, support DevOps processes, and contribute to microservices architectures. Strong hands-on experience with AWS and proficiency ...

Senior Python Engineer AWS Serverless & Microservices

A leading tech firm in Leeds is seeking an experienced Python developer to oversee the full lifecycle of product development. The successful candidate will be responsible for programming efficient and testable code while required to have extensive expertise in AWS Serverless and communicate effectively with vari ...

Senior Backend Python Engineer – Hybrid (Leeds)

A leading resource management firm in Leeds is seeking an experienced backend developer to build and maintain services and APIs. The role requires strong Python skills and experience in REST API development. You will work in a hybrid environment, collaborating with onshore teams, contributing to sprint delivery, ...

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 ...

Off Host Automation Engineer – Hybrid Basildon

N Consulting Limited in Basildon is seeking an Off Host Automation Techniques Developer. This onsite role involves designing and developing automation solutions that integrate with enterprise systems. Candidates should be skilled in scripting languages like Python and have experience with automation tools. The p ...

Senior Python Engineer — Hybrid, Growth & Impact

Liberty IT in Belfast is looking for a skilled Software Developer to join their team. This role requires expertise in Python programming and a thorough understanding of API design, as well as experience with SQL and MongoDB. The successful candidate will work within an agile framework and mentor junior developer ...

Senior Java & AI Engineer for Scalable Index Platform

LSEG is searching for a Lead Java Developer to contribute to the FTSE Russell Index Platform. Ideal candidates will have over 12 years of hands-on backend engineering experience, including Java and Python proficiency, and capability in building AI-powered features. The position demands collaboration with global ...

Senior Quantitative Developer Hybrid, Bonus & Growth

hackajob is seeking a Senior Quantitative Developer (VP) in Greater London to design and validate pricing models. This role involves creating financial pricing libraries and risk algorithms while utilizing data analysis techniques. The ideal candidate will have strong financial markets experience, proficiency in ...

Data Engineer (C# & Python) – Hybrid ETL & Data Lakes

Client Server Ltd. is looking for a Data Developer / Software Engineer in London. This hands-on role involves designing and building components for a modern data platform while working in a collaborative team environment. Candidates should possess strong backend experience in C# and Python, along with knowledge ...

PySpark Data Engineer (Microsoft Fabric) – Hybrid London

Hamilton Barnes is seeking a PySpark Developer for a 6-month contracting role based in London. The position involves designing, building, and maintaining data pipelines for a global financial markets infrastructure. Ideal candidates should have strong proficiency in Python and PySpark, comprehensive Azure experi ...

AI Software Developer — Hybrid, LLMs & Scalable AI

Halian | Managed Services, Recruitment Agency & Contract Staffing seeks an experienced AI Software Developer to join their Reading office. The role focuses on designing and deploying intelligent applications using AI frameworks, requiring strong software development skills and experience with AI/ML. Candidates s ...

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 ...

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 ...

Junior Quantitative Researcher – Applied Scientist (London)

Quant Capital is seeking a talented Junior Quantitative Researcher/Developer in London to analyze large-scale real-world data sets. The ideal candidate should have a strong quantitative background, good attention to detail, and significant academic achievement at PhD level. Proficiency in programming languages s ...

Lead Linux Systems Architect — High Availability & CI/CD

Free-Work UK is seeking a Lead Systems Developer in London. This senior role focuses on designing and developing Linux-based software solutions, mentoring developers, and managing CI/CD pipelines. Candidates should possess strong expertise in Linux, programming languages like Python and Bash, and networking conc ...

Hybrid Quant Python Engineer — London, High Growth

Java Script Works is seeking a talented developer to join a leading Quant Investment management firm in London. This role offers an excellent working environment with ongoing training and a structured career path. You can expect a competitive salary along with a substantial bonus from day one. Skills required in ...

Front End React Developer with UI/UX Focus

Java Script Works is seeking an experienced Front-End Software Developer in Cambridge, UK, with very strong skills using React. The role requires several years in a commercial development environment and an eye for UI/UX design. In addition to React, knowledge of TypeScript, Node.js, Git, and Python is beneficia ...

Tableau & SQL BI Developer — Transform Data into Insights

EOS IT Solutions, located in Banbridge, is seeking a Business Intelligence Developer to transform data into actionable insights. This role involves designing and maintaining BI solutions with tools such as SQL, Tableau, and Python. Candidates should have a Bachelor’s degree (Master’s preferred) and strong experi ...

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 ...

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. ...

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 ...

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 ...

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 ...

.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) < ...

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 ...

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 ...

.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 – 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 ...

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 ...

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 ...

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 ...

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 ...

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