189,498+ Emerging Fullstack Developer Python C React Jobs in UK — Top Companies Hiring June 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

Staff Software Engineer: AI Driven Hardware Automation & SRE

A leading semiconductor company in the UK is looking for a talented software engineer to develop a cutting-edge automation system. In this role, you'll create workflows for hardware performance testing and collaborate closely with multidisciplinary teams. Ideal candidates should have experience in software build ...

AI Engineer — Greenfield, Hybrid Grimsby, Shape AI Strategy

Harnham is looking for an AI Engineer in Grimsby to lead the charge in developing AI solutions for a specialist motor finance provider. You'll be the first dedicated AI hire, responsible for designing systems that enhance customer analytics and operational efficiency. Ideal candidates will have strong experience ...

AI Product Engineer II: Agentic Systems & Cloud DevOps

Zonda is looking for an AI Engineer II to engineer and maintain AI-based products. In this mid-level position, you will collaborate with senior engineers and business stakeholders throughout the product lifecycle. Key responsibilities include designing AI systems, managing data, and monitoring product performanc ...

Hybrid Lead Data Architect Global Chemistry Platform

A leading firm in digital chemistry seeks a Principal Data Architect to enhance data architecture for scalable chemical synthesis. This role involves defining data flow, governance, and establishing a robust data ecosystem. Candidates should possess 8+ years of experience, strong Python skills, and a background ...

Quantum Compiler Engineer — Scientific Software Architect

A leading technology company in the UK is seeking a creative Scientific Software Engineer. You will develop state-of-the-art simulation tools and compilers for quantum computing, collaborating with a team of experts. The role involves designing novel programming languages and integrating existing simulation tool ...

Security‑Focused Data Engineer for Intelligence Analytics

Envitia is seeking a Data Engineer to join their Security and Intelligence team in Cheltenham. The successful candidate will design and maintain secure, scalable data platforms and pipelines, facilitate advanced analytics, and collaborate with multi-disciplinary teams. This role requires experience in data engin ...

Production AI Engineer for Enterprise LLM Solutions

A leading AI technology firm is seeking an AI Engineer in London to design and deploy production-grade AI systems powered by LLMs. You will work with Fortune 500 companies, transforming complex workflows with cutting-edge AI applications. The ideal candidate has over 3 years of software engineering experience, s ...

Senior Backend Engineer for DAG‑Driven Orchestration

Jack and Jill AI is seeking a Senior Backend Engineer to design an orchestration layer for deploying autonomous technology in heavy industries. You will build integrations using Python and FastAPI, ensuring platform reliability through CI/CD pipelines. This role offers a chance to directly influence the architec ...

AI Training Architect — Early Stage, High Impact

bloom is seeking a Software Engineer to work at the forefront of AI in London. You'll design training curricula for AI systems and create problem sets to enhance their learning. The ideal candidate has 1+ years of Python experience and is comfortable with LLM APIs. This is not just a maintenance role; it’s hands ...

Staff Data Engineer: Quality, Observability & Governance

A forward-thinking fashion marketplace headquartered in London is seeking a Staff Data Engineer to lead the creation of frameworks and tools for data quality and governance. You'll focus on making sure data is reliable, observable, and compliant, while collaborating with various teams. Ideal candidates have subs ...

Platform Engineer — AI Driven Backend & Pipelines

A tech startup is seeking a Software Engineer to build and maintain a shared platform that supports AI solutions. You will develop APIs, frameworks, and data services while collaborating with product engineers to enhance functionality. Candidates should have extensive experience in Python and AWS, alongside a st ...

Finance Data Engineer – Contract for Modern Data & Analytics

A leading financial services provider in London seeks an experienced Data Engineer to enhance Finance & Treasury reporting through scalable data solutions. The role involves developing data pipelines, managing core data infrastructure, and ensuring data security. Candidates should possess extensive SQL skills, e ...

Remote Senior Full Stack Engineer Equity + AI Impact

Cogna, an ambitious early-stage startup in Greater London, seeks a Full-Stack Software Engineer. You will define and maintain backend architecture and APIs while developing frontend interfaces. With at least 8 years of experience, you'll thrive in a fast-paced environment, building scalable microservices using m ...

Distributed Database Platform Engineer

Barlowe LLP in Greater London is seeking a skilled Database Platform Engineer to join their Data Services team. You will be responsible for designing, building, and operating critical database platforms to support complex research and business operations. The ideal candidate should have strong experien ...

Backend Engineer, AI Platform — Build Scalable AI Tools

A tech company in Greater London is looking for a talented Backend Engineer to join their AI Platform team. The role involves designing and developing backend services for AI capabilities, ensuring reliability and scalability. Ideal candidates will have over 4 years of experience in backend engineering, particul ...

Cheminformatics Engineer AI for Drug Discovery

A leading biotech company in Greater London is looking for a detail-oriented Cheminformatics Engineer to develop transformative technology enhancing drug design productivity. The ideal candidate will have a Master's or PhD in Computational Chemistry or AI, advanced proficiency in Python, and strong communication ...

Founding ML Engineer: Build a Living Semantic Layer

JetBrains is looking for a top-class ML Engineer to shape the future of software development through AI and ML technologies. You will define the research agenda and own the AI engineering stack. Responsibilities include designing LLM solutions and establishing MLOps practices. The ideal candidate should have at ...

Data Engineer – Fintech Platform & AI Ingestion

Kalpa Group in Greater London is looking for a Software & Data Engineer to tackle complex data issues in the fintech sector. The role involves owning ingestion pipelines, designing scalable data models, and integrating AI into the platform for improved data quality and reliability. Candidates should have strong ...

AI Learning Experience Engineer for Adaptive EdTech

A leading EdTech company in London is seeking an AI Learning Experience Engineer to design and deploy AI-driven educational solutions. The ideal candidate will have hands-on experience with LLMs and AI tutoring systems, along with strong Python and AI/ML skills. Responsibilities include designing adaptive learni ...

Senior Backend Engineer — Architect Scalable Microservices

A global marketing and communications company is seeking a Senior Backend Engineer to lead the design and development of backend systems. This role involves writing high-quality code, architecting distributed services, and collaborating closely with teams. Candidates should have a strong background in Python and ...

Senior Backend Engineer — Architect Scalable Microservices

A leading global marketing firm in Greater London seeks a Senior Backend Engineer to design and develop backend systems across its platform. In this hands-on role, you'll implement scalable and secure services, ensuring high engineering standards. Ideal candidates will have expertise in Python, FastAPI, and clou ...

Senior Multimodal ML Data Engineer

A leading design platform company is seeking a Machine Learning Engineer to own the data lifecycle for multimodal agent research. This role involves designing and building data pipelines, collaborating with researchers, and ensuring data quality at scale. Ideal candidates will have strong Python experience and p ...

German Speaking Data Analyst for Real Time Fraud Detection

Grid Dynamics is expanding its team and seeks a talented German-speaking Data Analyst to join a pioneering project focused on analyzing conversation data to combat fraudulent calls. The successful candidate will work closely with Machine Learning teams to leverage data technologies for developing impactful solut ...

Impact Data Analyst: Data Driven Insights & Dashboards

Google DeepMind is looking for an Impact Data Analyst based in Greater London. This role involves transforming complex data into actionable insights and responding to ad hoc stakeholder requests to drive social impact in Life Sciences, Climate and Environment, and Education efforts. The ideal candidate ...

Linux Infra Engineer Kubernetes & Terraform

Salt Digital Recruitment is seeking an experienced Linux Infrastructure Engineer based in Manchester, UK. This role focuses on managing and maintaining Linux production and staging environments, ensuring system reliability, and supporting modern container workloads. The ideal candidate should possess s ...

GPU Hardware Verification Engineer in Cambridge Imagination Technologies

Staff-Level Full-Stack Software Engineer 108 E 16th Street, New York, NY 10003 Qualifications Proficiency in version control systems such as Mercurial, Perforce, Subversion Background in digital design Strong programming and scripting skills, particularly Pyt ...

Autonomy AI & Perception Engineer

MTC - Manufacturing Technology Centre in Coventry is seeking a Junior AI & Perception Engineer passionate about AI and computer vision. The role involves software development and working with sensors like LiDAR and radar to create next-generation autonomous solutions. The ideal candidate will have skil ...

Senior Onboarding Engineer Data Pipelines & AI (Contract)

Silversmith Capital Partners is seeking a Senior Onboarding Engineer on a 6-month contract to join our onboarding engineering team. This critical role involves implementing the En>ACT platform for clients while translating complex data requirements into technical solutions. The ideal candidate will hav ...

Wind Turbine Health Monitor Engineer EU (Cloud & Data)

ONYX Insight is seeking a Mechanical Engineer in Nottingham to support their Monitoring Team by providing wind turbine health monitoring services across the EU. You will lead projects connecting machinery to the cloud, ensuring high-quality service to clients and assisting in onboarding new customers. Required q ...

Remote AI Data Engineering Lead

Ideagen Plc is looking for an AI Data Engineering Lead, based in Ruddington, UK. This role involves leading a team of data engineers, designing an end-to-end AI data platform, and ensuring data governance and compliance. You will need deep experience with Python, SQL, and AWS services. Benefits include flexible ...

VP, Quantitative Trading & Research — AI Driven Treasury

慨正橡扯 is seeking a Vice President within Quantitative Trading & Research to enhance treasury management using advanced data analytics and AI. In this role, you will lead innovative projects, collaborate with senior stakeholders, and mentor team members in a dynamic environment. The ideal candidate will ...

Senior Portfolio Engineer Fixed Income ETFs & Index

Deutsche Bank AG is seeking a Senior Portfolio Engineer in London to manage Fixed Income ETFs and index portfolios. You will implement daily management through portfolio construction and trade execution, alongside managing investment risks and enhancing product development. The ideal candidate will hav ...

Executive Director, Systematic Fixed Income & ETF Strategy

JPMorganChase is seeking a Systematic Portfolio Manager in London. This role involves managing passive and active systematic fixed income strategies and collaborating with the Quantitative Research team to enhance investment processes. The ideal candidate will have extensive experience in fixed income portfolio ...

AI Agent Evaluation Engineer Part Time, Project Based

Mindrift is seeking experienced developers or software engineers for part-time, project-based roles evaluating AI coding agents. Responsibilities include creating tasks and evaluation criteria within simulated environments and reviewing AI-generated code. Ideal candidates will have a degree in Computer Science, ...

Senior V&V Engineer Track & Lab Robotic Systems

A leading engineering company in Bradford-on-Avon seeks a Senior Verification & Validation Engineer to lead validation strategies for robotics and vehicle test environments. You will ensure compliance through structured test plans and develop automated testing frameworks using Python. The ideal candidate has a d ...

Trading Infrastructure Reliability Engineer

A financial trading firm in London is seeking a Technical Operations Engineer to provide hands-on support for mission-critical systems. You will monitor and resolve production issues across trading infrastructure, manage broker connectivity, and actively contribute to automation improvements. Ideal candidates ha ...

Foundational AI Research Engineer Multimodal & LLMs

Helsing, located in Greater London, is seeking an AI Research and Machine Learning Engineer. The role focuses on training and fine-tuning Foundational Models for complex sensor data analysis. Ideal candidates hold an MSc or PhD in a relevant field, have strong Python skills, and are familiar with DL frameworks l ...

Data Analyst / BI Engineer — LLM‑Powered Insights

A leading tech company in London is seeking a Data Analyst / BI Engineer to join their Forward Deployed Engineering team. In this hybrid role, you will analyze complex data during customer onboarding, using modern data tools including LLM techniques. The ideal candidate has 2+ years of experience, is fluent in P ...

Research Engineer: Science of Scaling for Safe AI

A leading AI research organization in Greater London is seeking a Research Engineer/Scientist to advance large language models. This role involves research and practical engineering to build reliable AI systems. Ideal candidates should have a strong software engineering background, proficiency in Python, and an ...

Platform Engineering Manager Robotics & IoT, Hybrid

Dexory, located in Wallingford, UK, is looking for an Engineering Manager (Platform) to lead a growing team of platform engineers responsible for internal tooling and infrastructure. The role requires expertise in engineering management and experience with technologies such as Go, Python, and Kubernetes. You wil ...

Senior ML Engineer: Build & Deploy Real World AI

A leading data science firm in Greater London is seeking a Senior Machine Learning Engineer to design and implement cutting-edge data science solutions. The role requires expertise in Python and machine learning frameworks, alongside strong communication skills to convey complex concepts. You'll collaborate clos ...

Games Data Scientist: Turn Play into Strategy (London)

A leading gaming technology company is seeking a Games Data Scientist to transform business questions into actionable insights using advanced analytic techniques. This role involves thorough analysis of player behavior, effective communication of results, and collaboration with stakeholders. The ideal candidate ...

Senior Full Stack Engineer (Remote) Scalable APIs & UI

A leading recruitment agency is seeking a Senior Full Stack Engineer for a 12-month remote contract. The ideal candidate has at least 4 years of experience in Python and Flask, along with a strong grasp of SQL databases. Responsibilities include architecting backend services and building responsive front-end int ...

Vice President, AI & NLP Leader – Asset Management

JPMorgan Chase & Co. seeks a Vice President Data Scientist in London to drive business transformation using advanced analytics, LLM, and machine learning techniques. Candidates must showcase strong collaboration with stakeholders and have a solid understanding of financial services. This role emphasizes designin ...

GenAI Data Scientist & AI Engineer (Hybrid)

A leading global technology firm is seeking a mid-level Data Scientist to join their Generative AI Centre of Expertise. This hybrid role involves collaborating with teams to improve products using AI and machine learning. Candidates should have experience in data science, applied machine learning, and Python pro ...

Hybrid Senior Data Scientist ML & Production Pipelines

A leading technology consultancy in Guildford is searching for a Senior Data Scientist to lead complex projects in data science and machine learning. This hands-on role requires expertise in Python, SQL, and machine learning frameworks like PyTorch or TensorFlow. Candidates will translate ambiguous problems into ...

Senior Snowflake Data Architect – Enterprise Data Strategy

Enstar Group is searching for a Data Architect in Greater London, UK. The successful candidate will focus on Snowflake platform optimization, ensuring compliance, and providing guidance on best practices. Essential qualifications include proven experience with Snowflake and data engineering tools like Python and ...

Senior Software Engineer Payments & Cross Border Platform

Ebury is seeking a Senior Software Engineer to join our London office in a hybrid capacity. You will be integral in developing our multi-currency account systems, enhancing payment processes. Responsibilities include leading product initiatives, collaborating with cross-functional teams, and mentoring junior eng ...

Founding Data Architect — AI Pipelines, Equity, Hybrid

A technology firm is seeking a Founding Solutions Data Architect in London to support their AI native data pipelining platform. This role involves solution design, technical onboarding, and troubleshooting. Candidates should have experience in a data-focused role and strong technical knowledge, especially in Pyt ...

Credit Risk Data Scientist: AI & NLP Innovator

A progressive credit referencing start-up in Greater London is seeking a hands-on Data Scientist to collaborate with the lead data scientist. This role involves building foundational Linear Regression models and developing advanced XGBoost models for risk insights. Candidates should possess experience with NLP t ...

🚀 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

    Buffering Video...

    Emerging Fullstack Developer Python C React Jobs in United Kingdom Job Search Guide, Trends and Insights