164,962+ Fullstack Engineer Intern React Nextjs Python Jobs in UK — Top Companies Hiring July 2026

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Low Latency Trading Production Engineer (Linux)

Oliver Bernard is seeking a Production Engineer for a leading hedge fund and investment manager in Greater London. The role involves supporting sophisticated trading applications, collaborating with Engineering, Quant, and DevOps teams to enhance automation and manage code deployments. With a focus on ...

Enterprise AI Deployment Engineer — Travel‑Heavy, Customer‑Facing

Anthropic is seeking a Forward Deployed Engineer (FDE) to join our Applied AI team in Greater London. In this role, you'll embed with strategic customers to drive AI adoption, build production applications using Claude models, and collaborate with cross-functional teams. We’re looking for candidates with 4+ year ...

Back Office Platform Engineer Scale & Automate (London)

Capstone Investment Advisors, a $12 billion asset management firm in London, seeks an Enterprise Software Engineer. The role involves modernizing the BOSS platform and building software to enhance workflow efficiency across Operations, Treasury, and Compliance. The ideal candidate will have a Bachelor' ...

AI Driven Automation Specialist

Xcede Recruitment Solutions is seeking an AI Automation Engineer to design and deploy AI-powered workflows in a SaaS environment. You'll work on enhancing operational efficiency by integrating AI models, automation platforms, and business systems to reduce manual efforts. The ideal candidate has proven ...

Customer Facing AI Solutions Engineer

V7 is seeking a Forward Deployed Engineer based in the UK to deliver AI solutions and improve customer operations. This role includes developing integrations, presenting workflow implementations, and collaborating closely with clients. Applicants should have experience in Large Language Model projects, ...

Senior AI Engineer: Build Real World Autonomous AI

Sivara GmbH is seeking a hands-on Senior AI Engineer in Manchester to build real-world AI systems that create measurable impacts across customer journeys. You will design and integrate AI applications, collaborating across teams to ensure success in production environments. This role requires a strong ...

Senior AI Engineer — Remote First, Growth & Impact

Futurice is seeking a Senior AI Engineer to join their AI & Data team in Greater London. The role involves designing intelligent applications and workflows, advising clients, and mentoring junior engineers to enhance their AI capabilities. The ideal candidate will have over 5 years of experience in AI ...

ML Research Engineer: Generative Models & Scalable Training

A leading data science recruitment firm in London seeks a research-focused ML engineer to design and conduct experiments aimed at enhancing large-scale generative models. The role involves implementing ideas from research into production-ready pipelines and requires proficiency in Python and ML frameworks like P ...

Senior Engineer, Hegel PBT Specialist — London

Antithesis is seeking a Software Engineer in London for a full-time role focused on developing Hegel, our new family of property-based testing libraries. The ideal candidate should have experience in property-based testing and be familiar with programming languages such as Python and Rust. This in-office positio ...

Lead AI Engineer & ML Architect

A dynamic tech company in Greater London seeks a Lead AI Engineer to develop and optimize advanced AI solutions. The role involves leadership in project development, mentoring junior engineers, and ensuring AI solutions are scalable and robust. Ideal candidates should have extensive experience in AI technologies ...

Entry Level ML Engineer Real World Marketing Analytics

A leading global marketing agency is hiring a Junior Machine Learning Engineer for a 6-month fixed-term contract in London. The ideal candidate will have a strong foundation in statistics and machine learning, proficiency in Python and SQL, and a passion for problem-solving. This role offers an opportunity to su ...

Machine Learning Engineer AI Models & Systems

A leading AI technology company in Greater London is seeking a talented Machine Learning Engineer to develop and implement cutting-edge artificial intelligence products. The role requires designing sophisticated models and refining existing systems. Ideal candidates will have a strong background in programming l ...

Lead AI Solutions Engineer Enterprise Pre Sales (Hybrid)

A leading AI solutions company in the UK is seeking a Lead Solution Engineer to help drive pre-sales efforts. This role involves partnering with the sales team to architect AI-driven solutions for major financial institutions. Ideal candidates will have hands-on Python experience and the ability to navigate comp ...

Senior Internal Tools Engineer Drive Growth & Impact

A fintech company based in London is seeking a Senior Software Engineer to join its growing engineering team. You will define, build, and iterate on features for internal tooling while collaborating with cross-functional teams. The ideal candidate has over 5 years of experience with API development using Python ...

Data Platform Engineer Spark, ETL & Cloud

Experis - ManpowerGroup is seeking a Platform Engineer to develop and optimize data engineering pipelines in a hybrid setting in Swindon. The ideal candidate will possess strong skills in SQL and big data processing, particularly with cloud platforms like Azure and AWS. This role requires programming c ...

Remote Applied ML Researcher — End to End Solutions

Mercor is seeking a Machine Learning Engineer Expert to develop end-to-end machine learning solutions for innovative AI applications. This remote role requires a Master's degree or PhD in a relevant field and 2+ years of experience in machine learning or data science. The ideal candidate should have st ...

Senior AI Software Engineer – Production Agents (London)

Job Search Place Limited is seeking a Senior Software Engineer to join their AI start-up based in London. This position involves designing and building AI agents that enhance customer interactions and enables businesses across various sectors to leverage cutting-edge technology. The ideal candidate wil ...

Senior Software Engineer, Labs — Security Telemetry

SwiftCruit is on the lookout for a Senior Software Engineer to be part of the Labs team within the Security Sciences practice. This role focuses on building and sustaining vital research capabilities for our innovative security data platforms. You will collaborate with engineers to enhance projects lik ...

Senior Software Engineer: AI Driven Solutions (Hybrid UK)

United States Digital Space LLC is seeking a Senior Engineer to contribute to high-stakes projects in London. You will write production-quality code using languages such as Python, Java, and TypeScript while collaborating closely with teams and clients. With a commitment to continuous learning, you wil ...

Senior Data & AI Deployment Architect

United States Digital Space LLC is seeking a Forward Deployed Engineer in Greater London, UK. In this role, you will lead customer-facing technical projects, design production-grade systems, and guide strategic customers on big data solutions. The ideal candidate should have extensive experience in dat ...

Senior Audio Quality Engineer

Playstatio is seeking a Senior Software Engineer in London to design and develop tools for audio quality assurance in the PlayStation SDK. This role involves collaborating with multiple teams to ensure high-quality audio outputs for gaming experiences. The ideal candidate should have strong programming ...

Global Cloud SRE: Observability & Automation

A global industrial technology leader is seeking a Cloud Site Reliability Engineer in Newcastle upon Tyne to lead an OTel-first strategy and manage an observability platform. This role involves optimizing platform performance using automation and Infrastructure as Code, collaborating with engineering teams, and ...

Cloud Data Engineer National Security (Security Cleared)

Sanderson Government & Defence is seeking a Senior Software Engineer specializing in National Security (Data Systems) in Gloucester. You will design scalable data processing solutions and lead the development of cloud-native systems to address critical security challenges. The ideal candidate will have ...

Senior Embedded Software Engineer — Medical Robotics (Hybrid)

CMR Surgical in Cambridge is looking for a Senior Software Engineer to develop embedded software for medical devices. The role is hybrid, requiring at least 3 days a week in the office, and involves leading a scrum team in accordance with quality management systems. Successful candidates will have a st ...

Data Engineer Scalable Analytics & P&L Pipelines

Mondrian Alpha in Greater London is seeking a Data Engineer to join their analytics infrastructure team within a leading quantitative investment firm. The role involves designing data models, building ETL pipelines, and developing reporting platforms. Ideal candidates will have strong skills in Python ...

Space Tech ML Engineer — Research & MLOps (Remote UK)

A leading technology firm in the UK is seeking a Machine Learning Engineer for a hybrid role focused on cutting-edge ML research and development. The ideal candidate will have a Master's or PhD in a relevant field and proficiency in Python and deep learning libraries. Responsibilities include researching algorit ...

Senior Silicon Verification Engineer — Flexible Work

Graphcore is seeking a silicon verification engineer based in Cambridge, United Kingdom, to join their verification team. This role involves ensuring the quality of silicon delivery by planning and executing verification activities, alongside contributions to infrastructure. The ideal candidate will ha ...

Senior Security Engineer (Hybrid) – Cloud & AI Security

Ocho People is seeking a Senior Security Engineer to join their Belfast team. This role involves ownership of vulnerability management and secure-by-design advocacy, working closely with product and engineering teams to build scalable, secure solutions in a cloud-first environment. Key qualifications i ...

Senior Backend Engineer AI Platform, UK Remote

nPlan in the UK is seeking a Backend Engineer to enhance their AI platform for construction projects. You will join a collaborative team to design and build new capabilities that are scalable and reliable. This position allows for remote work with occasional visits to the Shoreditch office. The ideal c ...

Senior Backend Engineer — AI Driven Product (London)

NewsNowGh is seeking a Senior Backend Software Engineer in London to design and scale backend systems for customer-facing products. This role, integral to a fast-growing startup, offers ownership, autonomy, and the chance to make impactful technical decisions. Candidates should have at least five years ...

Research Engineer – Multi Agent Learning & Scalable AI

GOOGLE is seeking a research-focused Software Engineer in Greater London. This role involves contributing to AI-related projects, building simulation platforms, and collaborating closely with Research Scientists. The ideal candidate will have a Bachelor's degree in Computer Science, experience in Pytho ...

Senior AI Software Engineer for Net Zero Grids (Hybrid)

Aurora Energy Research Limited seeks a Senior Software Engineer to join their AI team in Oxford, UK. You will manage a team, build systems where LLMs autonomously navigate data, and impact energy grid decarbonisation decisions. The role requires over 10 years of backend systems experience and excellence in Py ...

On Site AI Engineer for Secure Systems & LLMs

ENGINEERINGUK is seeking an AI Engineer / Developer to design and deliver advanced AI solutions for mission‑critical systems in the Space, Defence and Intelligence sector near Gloucester. This role involves developing applications to unlock data value and enhance decision-making. Key qualifications inc ...

Senior Software Engineer, Ads Analytics & Data Pipelines

Roku, Inc. is looking for a Senior Software Engineer in Manchester, UK, to develop scalable APIs and manage big data solutions. Candidates should have 8+ years in software or data engineering, with skills in Apache Spark, Airflow, and a strong foundation in Java, Python, or Scala. The role requires collaboration ...

Senior GenAI Engineer & AI Architecture Lead

A leading financial consulting firm is seeking a Lead AI Engineer (Senior/Principal Consultant) to join their Technology Delivery Team in Edinburgh. The ideal candidate will leverage AI/ML engineering expertise to build and deploy generative AI solutions across the financial services sector. This role offers com ...

Junior Data Intelligence Engineer – Lakehouse & Automation

Blumberg Capital Company is seeking a Junior Software Engineer in Edinburgh. You will work on cutting-edge data initiatives such as Financial Data Lakehouse and contribute innovative solutions. This role is perfect for those passionate about technology and finance. The ideal candidate holds a Bachelor' ...

Senior Test Design Engineer – York (Hybrid)

Adtran Networks (UK) Limited is looking for a Senior Test Design Engineer to join their Global R&D team at the York office. This role focuses on developing functional tests for Adtran products, as well as contributing to the overall test infrastructure. The ideal candidate will possess extensive engine ...

Data Flywheel Engineer for AI Eval Pipelines

A leading tech firm in Greater London is seeking a Software Engineer to build systems and pipelines that enhance data quality. The role requires over 3 years of experience in software engineering, particularly with Python and SQL. You will have the opportunity to shape how the company measures and improves answe ...

Senior Infra Engineer — Cloud‑Native Backend & CI/CD

A technology company in London seeks a Senior Software Engineer I for its Infrastructure Services team. The role involves designing and building core systems for backend services while ensuring scalability and reliability. Candidates should have strong programming skills in languages like Java, Go, or Python, an ...

Senior AI & SaaS Security Engineer

Obsidian Security, based in Manchester, is seeking a Security Engineer to provide deep insights into SaaS and AI platforms. The successful candidate will analyze telemetry data to enhance security detection capabilities. In addition to strong cybersecurity knowledge, candidates must have skills in SQL ...

Satellite Image Processing Engineer for EO Data Pipelines

A space technology company is seeking a Satellite Image Processing Engineer to design and build processing chains for transforming raw satellite data into high-quality Earth Observation products. The successful candidate will work closely with customers and engineering teams, developing image processing pipeline ...

Senior Backend Engineer (Java & Spring) | Microservices

Elsevier in Oxford is seeking a Software Engineer III to design and develop backend services using Java, Spring Boot, and Python in a collaborative agile environment. This role involves enhancing document transformation services and APIs while working with cloud technologies like AWS and Kafka. The ideal candida ...

Agentic AI Engineer — SC Cleared, Hybrid

A fast-growing deep-tech company in the UK is seeking an AI Engineer to develop and integrate agentic AI systems for defence and national security projects. The role requires active SC clearance and strong Python skills, along with experience in deploying AI solutions in complex environments. Applicants will wor ...

Lead AI & Physics Modelling Engineer (Equity) London

Jack & Jill is seeking a Lead AI and Process Modelling Engineer to join their founding team in London. This role involves owning the AI and physics modelling layer of the innovative AlphaOS platform, optimizing production yield through advanced technology. The ideal candidate should have a strong backg ...

Senior Security Engineer: Secure, Scalable Apps

A leading global financial services firm is seeking a Software Engineer III to join their agile team in Bournemouth, England. The successful candidate will design and deliver trusted market-leading technology products. Responsibilities include developing secure production code, analyzing large data sets, and con ...

Senior Product Engineer — FinTech, End to End Delivery

Oneiro Solutions is looking for a Senior Product Engineer in Edinburgh to lead the design and implementation of high-quality features for financial institutions. You will take ownership of product work from discovery through to delivery, ensuring reliability and performance. The ideal candidate has ove ...

Senior AI Solutions Architect & Prototyping Lead

Nebbiu is seeking a Full-Stack Engineer to join their London team, engaging closely with clients to shape and build innovative solutions. This role emphasizes technical ownership and collaboration to develop prototypes and architectural designs using Python, Node.js, and Next.js. The ideal candidate wi ...

Lead Real Time Embedded & Control Software Engineer

AB Dynamics is looking for a Lead Embedded & Control Software Engineer to design and develop code for automotive test systems. You will collaborate with cross-functional teams to ensure high-quality software delivery. Your responsibilities will include defining software architectures, ensuring compliance with in ...

Cloud DevOps Engineer: Automation, CI/CD & Global Team

The London Stock Exchange in Nottingham is looking for a DevOps Engineer to manage the full CI/CD pipeline critical for client product delivery in the cloud. You'll collaborate globally with developers and stakeholders, ensuring smooth deployment and effective troubleshooting. Ideal candidates will dem ...

Senior Software Engineer — Scale Robust, Secure Systems (Hybrid)

A fintech startup in London is searching for a Senior Software Engineer to implement robust systems for their rapidly growing app. The ideal candidate will have extensive experience with high-volume applications and proficiency in various programming languages, including Python and Java. This role includes hybri ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

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