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

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London Based Senior AI Product Engineer

A leading commodities trading company in London is seeking a Senior Product Engineer to closely collaborate with the AI team to develop robust applications that enhance trading operations. Candidates should have 5-8+ years of backend systems experience and expert Python skills, as well as be comfortable with mod ...

Production ML Engineer for Engineering Simulations

NLP PEOPLE in Blackwater, England, is seeking a Machine Learning Engineer to build and deploy ML solutions in production-grade engineering systems. The role involves maintaining the ML pipeline and translating complex problems into ML-driven solutions. Candidates should have strong Python skills and experience w ...

System Test Engineer Robotics Tooling & CI/CD

A leading company in logistics solutions located in Wallingford is seeking a System Test Engineer. This role requires experience in hardware and software blended environments, proficiency in programming with Python or Go, and strong debugging skills. Responsibilities include unifying tools, building CLI tooling, ...

DevOps Engineer Cloud & CI/CD (Hybrid, London)

TP ICAP Group is looking for a DevOps Engineer in London to drive automation and optimize deployment pipelines. The ideal candidate will possess a strong understanding of DevOps principles, experience with cloud platforms like AWS, and proficiency in scripting languages such as Python or Bash. This role offers t ...

Software Engineer — Build Real World Public Services (Remote)

慨正橡扯 in Bristol is looking for a Software Engineer who wants to see their work impact public services. The role involves planning and developing features across various technologies including Java, Python, and more. Applicants should have a strong coding background, a drive for learning, and be eligibl ...

Backend Engineer Scalable APIs & Secure Architecture

DISCO in London seeks a Backend Engineer to assist in designing robust architectures and implementing secure APIs. Candidates should have 3+ years of backend development experience and proficiency in Python and Django. The role involves collaborating with cross-functional teams to develop scalable features. < ...

Senior ML Platform Engineer: Scalable, Automated AI Infra

A leading AI video platform company in London seeks a Senior Engineer for the ML Platform team. This hands-on role involves designing platform systems for model training and production, enhancing reliability and scalability. Ideal candidates have strong experience in cloud infrastructure, reliability, and coding ...

Data & Trading Systems Software Engineer

Two Sigma in Greater London is seeking a talented software engineer to tackle the complex challenge of discovering hidden value in data. Ideal candidates hold a Bachelors with Honours and have 1-10 years of relevant experience, including expertise in Java, Python, and C/C++. You will develop robust data pipeline ...

Computational Electromagnetics Engineer — HPC Solvers

Metrea is seeking a full-time Computational Electromagnetics Engineer to develop and run electromagnetic solvers, primarily for applications in Aerospace and Defence. This position requires a strong background in scientific computing with experience in C/C++ and Python, and a deep understanding of Maxwell's equa ...

Full Stack Engineer – AI Driven FinTech (Hybrid)

Bondaval, a leading financial technology company, is seeking a Full Stack / Back End Engineer to build and maintain core services and APIs. The ideal candidate will have experience in server-side programming (Go, Python) and modern frameworks (VueJS). You'll be part of an agile, collaborative team focused on inn ...

Staff Platform Engineer – Neurosymbolic AI at Scale

A forward-thinking AI company is seeking a Staff Software Engineer to shape the technical direction of its platform. The ideal candidate will possess deep expertise in Python, strong system design skills, and a proven track record in production-quality engineering. Responsibilities include writing code, mentorin ...

Global Trading Platform Infrastructure Engineer

A global trading firm in London is seeking an Infrastructure Engineer for the Fixed Income Commodities and Currency Options team. You will design and maintain high-availability systems for trading, employing technologies like Kubernetes, Terraform, and Python. Ideal candidates have experience in trading infrastr ...

Senior Cloud Platform & Security Engineer

A security-focused technology company in Greater London seeks a mid-level or senior Software Engineer to develop cloud services and infrastructure. This role offers the opportunity to directly contribute to scalable, reliable systems and requires 6+ years in cloud service development. Ideal candidates will have ...

Senior Quantitative Engineer – Finance Analytics

A prominent financial services provider is seeking a skilled Quantitative Engineer to develop robust applications that support trillions in assets. The role involves writing efficient code for index calculations, analyzing financial datasets, and collaborating with teams to enhance the Firm’s analytics. Ideal ca ...

Java Engineer – Hybrid Hedge Fund in London | 30% Bonus

Quant Capital is seeking a Software Engineer for a Small Hedge Fund in London. The role requires strong skills in Java and Python to support a high-profile client. The position offers a competitive compensation package of £90k plus a 30% bonus, with a requirement to be in the office three days a week. This full- ...

Cloud DevOps Engineer — AWS, DevSecOps & Observability

A leading biotechnology company in Oxford is searching for a Software Engineer to join their Customer Platforms team. The successful candidate will work on delivering high-quality customer experiences by implementing secure and scalable systems using AWS, CI/CD automation, Python, and TypeScript. Essential skill ...

Principal Software Engineer Simulation & Autonomy

A technology consultancy firm in Portsmouth is seeking a Principal Software Engineer to lead the design and development of applications across various sectors, including defence and health. The ideal candidate has over 15 years of experience with expertise in C/C++, C#, and Python, alongside strong stakeholder m ...

Data & AI Engineer — Hybrid, SC Eligible, Enterprise AI

Nigel Frank is looking for a Data & AI Engineer based in Manchester or Newcastle. This hybrid role involves designing, building, and maintaining data pipelines and AI solutions to support business-critical use cases. Candidates should have proven experience in similar roles, strong skills in Python and SQL, and ...

Senior Software Engineer GenAI & AI Products

Tesco in Welwyn Garden City is looking for a Software Development Engineer III to lead in developing and operating GenAI-powered products, including LLM applications and workflows. The role focuses on translating complex issues into production-ready solutions while ensuring reliability and user impact. The candi ...

Quantum Software Engineer: Compiler & Error Mitigation

A pioneering quantum technology firm in Reading is seeking a Quantum Software Engineer. In this role, you will advance quantum systems by developing software for efficient compilation and execution of quantum programs. You’ll tackle challenges like quantum error mitigation and correction while collaborating with ...

Senior ML Engineer, Catalogue Intelligence Remote UK

OnBuy is seeking a Senior Applied ML Engineer to enhance their product catalogue through advanced machine learning systems. Located in the UK, with options for remote or hybrid working, this role focuses on improving product data quality and discoverability. Ideal candidates will have strong skills in Python and ...

Senior Data Backend Engineer, Search Quality

Yelp is seeking a data-oriented backend engineer in Glasgow, UK to build and improve backend platforms for Search systems. This role involves collaborating with product-focused engineers to enhance search experiences and contribute to a smarter search roadmap. Candidates should be fluent in an object-oriented la ...

Software Engineer, Quantum Classical Systems (Low Latency)

IntaPeople Limited in London seeks a Software Engineer to join their core team working on production-grade quantum-classical systems. You will design and optimise systems software, collaborate with physicists and hardware engineers, and enhance CI/CD pipelines for on-prem data-centre environments. The ...

DevOps Engineer for MetDB Platform

Stars Arena is seeking a full-time DevOps Engineer for the MetDB team at the Met Office in Exeter, United Kingdom. The candidate should possess technical literacy in multiple programming languages, particularly Python and C, and have experience working with Linux in an agile environment. Compensation ranges from ...

Remote Data Engineer AI Driven Pipelines & Scale

Akkodis is hiring a Data Engineer for an AI-driven SaaS platform. The role involves designing and implementing large-scale data solutions, focusing on engineering data pipelines, optimizing data flow, and ensuring the reliability and scalability of our data infrastructure. The position offers a competitive salar ...

Senior SLAM & Mapping Engineer Hybrid/Remote UK

Voxelmaps is seeking a Senior Mapping & Localization Engineer in Oxford, UK, to enhance geospatial systems. This role focuses on improving map consistency across datasets using advanced techniques in SLAM, point cloud registration, and sensor fusion. The ideal candidate will possess strong C++ and Pyth ...

Build Engineer ML Software Stack & Tools

A leading technology company in the UK is seeking a Software Infrastructure engineer to develop and manage tools for the Machine Learning Software Stack. The role involves working closely with QA and development teams on build practices, tooling, and releases. Essential skills include proficiency in Python or C+ ...

Senior Data Platform Architect — Hybrid Azure & DevOps

Edgefolio Group is seeking a Senior Data Engineer in Greater London to transform their analytics infrastructure into a modern Azure-based data platform. This role involves architecting solutions, establishing data pipelines using CI/CD practices, and mentoring the engineering team. Candidates should have 5+ year ...

DV Cleared Data Science Engineer Cloud & ML

A prominent technology recruitment company is seeking a Data Science Engineer to support a major public sector programme in London or Manchester. The role involves designing and maintaining scalable data processing systems, collaborating with multidisciplinary teams, and requires DV Clearance. Candidates should ...

Senior Spacecraft Software Engineer: GNSS & Mission Systems

A pioneering space technology organization in Glasgow is seeking a Senior Spacecraft Software Engineer to develop software for GNSS missions. The successful candidate will operate across system layers, ensuring reliable data delivery from space to users. This role requires strong programming skills in C++ and Py ...

Bazel Build Systems Engineer (Greenfield, 6 Month Contract)

5V Tech is seeking an Engineer to own Bazel at scale in a hybrid role in the West of England. You will design and implement build systems, scaling operations across various languages and optimizing CI performance. This position offers a unique opportunity to define engineering practices in a cutting-edge environ ...

Staff Kernel Driver Engineer – Linux & PCIe

A leading AI compute technology company in the UK is looking for a skilled Software Engineer to work on OS Kernel and Device Driver software. You will design and implement solutions in C/C++/Python, collaborate with both hardware and software teams, and participate in agile development. Essential skills include ...

Secure DevOps Engineer: CI/CD, Kubernetes & PKI

慨正橡扯 is hiring a DevOps Engineer for their Space, Defence and Intelligence unit in Gloucester. You'll build and automate secure platforms for critical services, ensuring reliable deployments and tackling technical challenges. The role requires strong experience in DevOps, proficiency in Java, Python, C ...

Senior AI & Data Engineer QAS Pipelines & LLM

Advanced Resource Managers is looking for a Senior AI / Data Engineer to work in London on a 6-month contract. You will design, build, and optimize AI-driven data pipelines to enhance Salesforce Service Cloud's functionalities. The ideal candidate must have 5–10 years of experience in Data Engineering, ...

Backend Engineer: Data Pipelines, APIs & DB Mastery

A leading communications agency in the United Kingdom is seeking a skilled Backend Engineer to lead their API and database development efforts. This hybrid role involves working closely with product, data, and engineering teams to create resilient data pipelines and optimize APIs. The ideal candidate has 3–5 yea ...

Principal C++ Engineer – Defence, Simulation & Autonomy

A leading consultancy firm is seeking a Principal Software Engineer to join their team in Portsmouth. The role involves designing and delivering innovative software solutions across various sectors, including defence and energy. Candidates should have at least 15 years of experience in software applications, wit ...

National Security Cyber Software Engineer

A leading digital intelligence firm in Gloucester is seeking an Operational Cyber Software Engineer. This role focuses on developing secure, reliable software solutions for critical cybersecurity needs. Candidates should be eager to learn and have a foundational understanding of programming languages like C++, J ...

AI Implementation Engineer: Deliver Production AI (Azure)

Adria Solutions Ltd. is looking for an AI Implementation Engineer in Manchester to drive AI adoption across the organization. This hands-on role involves delivering AI solutions from concept to deployment, collaborating closely with IT and commercial teams. The ideal candidate will have deep expertise ...

AI Platform Security Engineer — Infrastructure & Secrets

Gazelle Global is seeking a Platform Security Engineer in Sheffield to build and maintain security infrastructure for AI deployments. This role involves hardening security components for Claude Code/LLM tooling, automating secure configurations, and ensuring robust incident response capabilities. Essential skill ...

AI Platform Deployment Lead

QuantumBlack, AI by McKinsey is seeking a skilled engineer to lead AI platform deployments in Greater London. The role focuses on navigating complex client environments, deploying advanced AI capabilities, and ensuring operational stability. Candidates should possess 8+ years of experience in software and infras ...

Global Impact FDSE: End to End Solutions Architect

A leading software company based in Greater London seeks a Forward Deployed Software Engineer to design and implement solutions addressing complex customer challenges. You will work on impactful projects, leveraging technologies to drive real outcomes. Candidates should have at least 1+ years of programming expe ...

Climate Tech Software Engineer: Heat Transfer & 3D Visualization

Carbon13 is seeking a Software Engineer to join their platform team in Greater London. You will develop critical algorithms and services addressing the urgent issue of building decarbonisation. The ideal candidate has at least 5 years of software development experience and proficiency in Python, with s ...

Senior GenAI Engineer LLM & AI Automation (Hybrid)

Tesco UK is seeking a Senior Software Development Engineer III to play a pivotal role in crafting GenAI powered products. This hybrid position requires collaboration with cross-functional teams to deliver impactful software solutions. Candidates should have strong backend engineering proficiency, parti ...

Cyber Software Vulnerability Engineer — Reverse‑Engineering & Defense

Forwardrole is seeking a Cyber Software Vulnerability Engineer to join their National Security division. This position involves software analysis, reverse engineering, and collaboration with cybersecurity teams to enhance security measures. Candidates should have proficiency in C/C++, Python, and experience with ...

Cloud Engineer AWS Serverless & Data Driven DevOps

CACI Ltd in Greater London is seeking a Software Engineer to help build next generation products and services. The role involves working across several projects leveraging AWS cloud services and developing scalable solutions with Python. Ideal candidates will have experience in the software development ...

Safeguards Infra Engineer Build Safe AI, Flexible Hours

A technology company in London is seeking a Software Engineer for Safeguards Infrastructure. In this role, you will develop critical safety mechanisms for AI systems. Ideal candidates will have a Bachelor's degree and 4 to 10 years of software engineering experience, proficiency in Python, and the ability to com ...

Research Software Engineer Scalable AI Tools & Pipelines

Mistral AI is seeking a Research Engineer based in London to design and optimize complex distributed systems, enabling researchers to train frontier-scale AI models. The ideal candidate has a Master’s in Computer Science, 4+ years of experience building large-scale systems, fluency in Python, and knowledge of co ...

AI Engineer — LLMs, RAG & End to End Pipelines

A leading language services group in Cambridge is seeking an experienced AI Engineer to design, build, and deploy AI-powered systems. The role involves implementing architectures, fine-tuning models, and collaborating with teams to deliver quality AI solutions. Candidates should have a Bachelor's degree in Compu ...

Senior ML Engineer (Hybrid, Cambridge) – Production ML

A leading FinTech/InsurTech company in Cambridge is seeking a Senior Machine Learning Engineer to design and deploy ML models to enhance fraud detection and risk management. Candidates should have over 4 years of experience with strong Python skills, proficiency in deploying ML models, and a collaborative spirit ...

Senior ML Engineer National Security (Lead, Onsite)

A leading machine learning company is seeking a Senior Machine Learning Engineer to tackle critical national security challenges. You will design and deploy ML solutions, mentor junior engineers, and work closely with a multidisciplinary team. Candidates should possess strong programming skills, ideally in Pytho ...

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