244,468+ Fullstack Engineer Intern React Nextjs Python Jobs in UK — Top Companies Hiring July 2026

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Sr Software Engineer

Senior Software Engineer - Cambridge UK 4 Days On site a week The Senior Software Engineer should be passionate about working on complex software using industry-leading technologies such as React and TypeScript. Essential Duties and Responsibilities: Provide ...

Software Engineer Frontend

Senior Software Engineer, Payments & Blockchain Team We are currently seeking an experienced Senior Software Engineer to join our growing Payments & Blockchain team to be focused on our payment systems. The Payments & Blockchain team is responsible for the first and last mile of every dollar (dig ...

Software Development Engineer, Amazon Ads CreativeX

Software Development Engineer, Amazon Ads CreativeX Job ID: | Amazon Development Centre (Scotland) Limited Amazon Ads is seeking a full‑stack Software Development Engineer to join the Reach Extension team in Edinburgh, Scotland. The team builds innovative advertising products that help ...

Front End Engineer

About Hook We’re building the future of customer growth. At Hook, we use AI and Machine Learning to help businesses predict revenue with accuracy, drive customer loyalty, and capture massive value from their existing customers. We’re a Series A company who ranked 33 out of 100 on the Sift ...

Software Developer

I am looking for a Middleweight Software Developer for a 6-month fixed-term contract opportunity for an extremely exciting business based in Plymouth. This role could potentially turn into a full-time permanent role before the end of the initial 6-month fixed-term contract. In this role you will be invol ...

Platform Engineer

Salary: £130,000 - 132,600 per year Requirements Strong experience in data engineering and pipeline development, including ETL and ELT design and implementation. Strong SQL skills, including query optimization and schema design. Programming experience in ...

Platform Engineer

Salary: £130,000 - 132,600 per year Requirements Strong experience in data engineering and pipeline development, including ETL and ELT design and implementation. Strong SQL skills, including query optimization and schema design. Programming experience in ...

Platform Engineer

Salary: £130,000 - 132,600 per year Requirements Strong experience in data engineering and pipeline development, including ETL and ELT design and implementation. Strong SQL skills, including query optimization and schema design. Programming experience in ...

Platform Engineer

Salary: £130,000 - 132,600 per year Requirements Strong experience in data engineering and pipeline development, including ETL and ELT design and implementation. Strong SQL skills, including query optimization and schema design. Programming experience in ...

Senior Software Engineer (C++)

We are working with a well‑established UK engineering business that designs and delivers complex, real‑world software systems used in safety‑critical environments.This is a senior‑level role for an experienced C++ engineer who enjoys owning work from early design through to delivery and verification, and who ...

Gen AI Prompt & Context Engineer(Contract) UK Remote | Outside IR35 | £400/day |

We are seeking a Gen-AI Prompt & Context Engineer to design and operate end-to-end LLM workflows, including prompt strategy, retrieval pipelines, multi-agent orchestration, and production observability. The role involves building scalable AI automation using Python, CrewAI multi-agent systems, and n8n work ...

Full Stack Developer

We are a specialist third-party pensions administrator. Founded in 2006, our mission is to set the highest standard of pensions administration by any recognised measure. We aim to achieve this through sustained investment in our people, processes and systems. We started life as an in-house admin ...

Full Stack Developer

We are a specialist third-party pensions administrator. Founded in 2006, our mission is to set the highest standard of pensions administration by any recognised measure. We aim to achieve this through sustained investment in our people, processes and systems. We started life as an in-house admin ...

AWS Data Engineer | Contract | (Active SC Clearance Required)

AWS Data Engineer | Contract | (Active SC Clearance Required) Brand new 6 month contract requirment available for an experienced AWS Data Engineer with Active SC Clearance. Opus have partnered with a Leading Global Consultancy who're seeking an AWS Data Engineer for an ASAP start. Extension is possible, thi ...

Rail Predictive Maintenance Engineer (Hybrid, Data & CBM)

Hitachi Automotive Systems Americas, Inc. is seeking a Predictive Maintenance Engineer to enhance service quality and reliability. The role involves developing algorithms and systems for optimising maintenance processes at their London HQ. Applicants should have a strong coding experience in Python and ...

QA Automation Engineer for Trading Platforms

A leading workforce solutions company in the UK is looking for a QA Automation Engineer to ensure high reliability in trading systems. Responsibilities include building test frameworks, executing tests, and collaborating with developers. The ideal candidate should have experience with Java or Python testing fram ...

Security Researcher: Vulnerability Discovery

A leading technology company in the UK is seeking a Security Engineer to enhance the security of their products. This role involves evaluating security-critical code, developing automated tools for vulnerability finding, and building exploits for discovered vulnerabilities. The ideal candidate should have a stro ...

Hybrid Data Platform Engineer — ETL, Spark & Cloud

Sivara GmbH is seeking a Platform Engineer for a 12-month hybrid contract based in Swindon. The role involves developing ETL and ELT data pipelines, optimizing SQL queries, and utilizing Python or Scala for data processing within a collaborative technical environment. Candidates should have strong expe ...

Senior C# Architect – High Performance Pricing & Risk

A leading recruitment firm is looking for a Senior C# Software Engineer to design advanced pricing and risk platforms. The role involves collaborating with Trading and Quantitative teams, architecting high-performance systems, and promoting software engineering standards. Candidates should have strong C# and Pyt ...

Senior ML Engineer LLMs & Agentic AI (Hybrid Belfast)

A leading AI solutions provider in Belfast is looking for a Senior ML / AI Engineer to build impactful systems using Large Language Models. This role involves designing workflows, developing RAG pipelines, and architecting production ML services. Applicants should have robust Python skills and ML experience, par ...

Senior ML Research Engineer Scale Pipelines & Prototypes

A forward-thinking AI company is looking for a Research Engineer in Greater London. The role involves supporting researchers with large-scale ML pipelines, integrating cutting-edge research with production, and designing ML algorithms in Python. Candidates with a Master's or PhD in Computer Science and 4+ years ...

Senior Software Engineer Build Scalable Solutions

A leading tech company in London is seeking an experienced software engineer to design, build, and maintain AI-first software solutions. The ideal candidate has over 5 years of experience, expertise in TypeScript and Python, and a passion for creating impactful software. You will closely collaborate with the fou ...

Founding AI Engineer Equity, Production ML, London

A fast-growing legal tech startup in London is seeking an AI Engineer to develop proprietary algorithms and evaluation pipelines. The role offers the opportunity to shape the future of a rapidly scaling AI platform while working with a talented team. Candidates should be experts in Python and have experience wit ...

Senior Software Engineer: Integration Architect (Hybrid)

A technology and defense company in Bristol seeks a Senior Software Engineer. The role involves designing and integrating software for seamless performance and system interoperability. Key candidates will have extensive experience in software development, particularly with Python and C#, along with a strong gras ...

Remote MLOps Engineer — AI Deployment & Pipelines

Morson Edge is seeking an MLOps Engineer to manage AI infrastructure and delivery pipelines. The role involves integrating AI into a SaaS platform while ensuring machine learning systems are reliable and performant. This position is remote with occasional travel to the London office and offers up to £8 ...

Principal ML Engineer — Sports AI & Personalisation

5V Video in West London is seeking a Principal Machine Learning Engineer for a freelance 6-month contract. This role involves shaping large-scale ML systems for live sports, focusing on real-time insights, low-latency inference systems, and cloud-native AI platforms. Ideal candidates will have strong ML experien ...

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... </ ...

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... </ ...

Lead Software Engineer — Data, AI & Cloud Delivery (Hybrid)

Applied Data Science Partners in Corsham is looking for a Lead Software Engineer to oversee technical project delivery. This includes guiding teams from concept through to deployment, ensuring solutions are high-quality and scalable. The role requires experience in leading complex software projects, st ...

Senior Automation Engineer – Testing Infra

Cohere, based in Greater London, is seeking a Senior/Staff Engineer to enhance our automation infrastructure for the North platform. This vital role focuses on creating robust systems for testing and validating engineering changes. The ideal candidate will bring 5+ years of software engineering experie ...

Senior Real Time Embedded Software Engineer

Anthony Best Dynamics Limited. is seeking a Senior Embedded & Control Software Engineer in Bradford-on-Avon, UK. The role involves designing and deploying software for automotive test equipment, ensuring quality delivery for leading clients. Candidates should possess an Engineering Degree, programming ...

Lead DevEx Engineer: Platform & CI/CD Innovator

Liberis is seeking a Lead DevEx Engineer to enhance how engineers operate services and build a cohesive development experience. The role involves creating and evolving templates and standards for technologies like .NET, Node.js, and Python. In this impactful role, the incumbent will also contribute to ...

Senior ML Engineer: Production AI for Defence and Security

Platform Recruitment is seeking a Senior AI/ML Engineer to enhance its Defence and National Security practice. The role involves designing and building production-grade systems while collaborating with software and data engineers on impactful projects. The ideal candidate holds a degree from a Russell ...

Senior Security & Compliance Engineer — AI Driven Cloud Controls

Amazon is hiring a Senior Security & Compliance Engineer in Greater London to lead the design and implementation of AWS security solutions. The role requires expertise in Python and at least 5 years of experience in identifying security issues and developing mitigation strategies. You will build custom ...

AI Solutions Architect: Lead AI IDE & Integrations

PHINIA in Gillingham is seeking a Senior Engineer to provide technical leadership within an AI platform. The role involves mentoring junior members and contributing to complex feature development spanning both frontend and backend services. Ideal candidates will have a Bachelor's degree in Computer Sci ...

Converged Core Network Design Authority & Security Lead

BT Group is seeking an experienced Network Engineer to lead strategic developments for the UK’s Converged Core network. This role demands a strong understanding of Nokia's NSP platform and will require security expertise to ensure robust network solutions. Ideally, candidates should have experience wit ...

Lead Full Stack Engineer Shape AI Driven Platform

hedgehog lab is seeking a Full Stack Engineer to join their product team, working on one of the UK's leading procurement platforms. You will influence architectural decisions and work across a modern tech stack, beginning with PHP/Laravel and transitioning to Python. This role offers a unique opportuni ...

Price & Promotions Solution Engineer – Hybrid Retail Analytics

Relex is looking for a Solution Engineer to join their growing EMEA Central team. Your main responsibilities will include delivering software implementation projects and configuring the Price & Promotions platform for customer needs. The ideal candidate should master SQL and Python, possess experience ...

Platform Engineer — Build Self Serve Dev Platform at Scale

Quadrature Capital, located in Greater London, seeks a Platform Engineer to enhance their automated trading system architecture. The focus is on managing the internal developer platform that supports business-critical applications, allowing engineering teams to utilize self-service tools effectively. C ...

Data Flow Engineer — Automation & Data Integration

SwiftCruit is seeking a Data Flow Engineer based in Edinburgh, Scotland. The primary role involves creating and managing data connections, conducting validations, and executing transformations to enhance auto-reconciliation through advanced technology. The ideal candidate will have a Bachelor's degree ...

Silicon Verification Engineer Flexible Work & AI Impact

Cerebras in Cambridge is seeking a silicon verification engineer responsible for ensuring RTL correctness and supporting the logical design team. You will plan verification, generate tests, and contribute to a collaborative environment. The ideal candidate will have substantial experience in verificati ...

HPC Systems Architect & Performance Engineer

Stars Arena is looking for an HPC Engineer to optimize and manage high-performance computing environments. The ideal candidate should have extensive experience in performance tuning, Linux, and scripting with Shell and Python. Responsibilities include designing and maintaining HPC architecture, using configurati ...

Ads ML Engineer — Real Time Personalisation at Scale

An innovative technology company in London is seeking a Machine Learning Engineer to enhance their advertising products. The ideal candidate will have significant experience in Python coding and machine learning fundamentals, focusing on the end-to-end lifecycle of ML models in a hybrid work environment. Collabo ...

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 ...

Senior ML Engineer — Personalization & Recommendations

Arrows is seeking a Senior ML Engineer in Greater London to take ownership of personalisation projects from development to deployment. You will design, train, and optimise machine learning models for recommendation systems. The ideal candidate will have experience with Python and tools such as TensorFl ...

Senior Revenue Engineer: Pricing & Data Platform

Parking Network BV in London is looking for a Senior Revenue Engineer to develop scalable pricing infrastructure that enhances urban mobility. This hands-on role will focus on building systems for reliable, automated pricing, impacting revenue and customer experiences. The ideal candidate possesses ove ...

AI Tooling & Cloud SRE Engineer

Critical Cloud Limited is looking for an early career Engineer to join their team in Cardiff. This role involves building AI tooling and operating real production environments, focusing on site reliability and automation. The successful candidate will contribute significantly to both AI and operational ...

Product Security Engineer — AI‑Driven Secure DevOps & Testing

Bloomberg L.P. is seeking a Product Security Engineer to ensure software security by developing automated security capabilities throughout the software development lifecycle. The role requires a strong engineering background, programming skills in C/C++, Python, or JavaScript/TypeScript, and knowledge of DevO ...

Senior ML Engineer Hybrid, Lead & Innovate

Sivara GmbH seeks a Senior Machine Learning Engineer based in Manchester. You will contribute to innovative insurance risk modeling and pricing techniques, collaborating with data science teams. The role involves tuning ML methods and deploying them in a DevOps environment. A strong background in Machi ...

Hybrid Embedded Software Engineer Medical Robotics

CMR Surgical in Cambridge is seeking a Software Engineer to develop embedded software for its medical devices. The role follows international standards to ensure the development of safety-critical software within a hybrid working model. The ideal candidate will have experience in C or Python and a stro ...

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    Fullstack Engineer Intern React Nextjs Python Jobs in United Kingdom Job Search Guide, Trends and Insights