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

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Spacecraft RF Payload Engineer — Design, Test & Verification

Langham Recruitment is seeking an RF Engineer for the design, implementation, and verification of RF payload solutions in spacecraft missions. This role requires working with multidisciplinary teams to develop RF payload solutions, conducting system-level design, and performance analysis of various RF systems ...

SC Cleared Senior Test Engineer: Data & Automation Lead

Opus Recruitment Solutions is seeking an experienced Test Engineer based in the UK to join their team in a hybrid working arrangement. This role emphasizes the delivery of high-quality data and application solutions, focusing on automation, data validation, and system reliability. The ideal candidate w ...

Senior AI Search Performance Engineer | Remote‑Flexible

Cohere is looking for a Performance Engineer to enhance their search applications and infrastructure. This role involves optimizing model performance, collaborating with teams, and developing benchmarking frameworks to improve AI-powered search experiences. The ideal candidate will have strong Python s ...

Senior Conversational AI Delivery Lead

Omilia is seeking a Senior AI Delivery Engineer to design and deploy enterprise-grade conversational AI solutions. This role involves collaborating with clients and cross-functional teams to ensure high-quality delivery aligned with customer experience goals. The ideal candidate has 5+ years of experie ...

Principal Platform Modernization Engineer (Remote UK)

Live Nation International is seeking a Principal Software Engineer for the Platform Modernization team, focused on building and implementing automation tools that enhance service delivery and operations. This remote role in the UK will require strong programming skills in Go or Python and experience with mode ...

Staff Full Stack Engineer Remote AI Energy Platform

A leading energy technology firm in the United Kingdom is seeking a Staff Engineer to enhance product delivery and scalability across platforms. You will drive architectural direction, contribute to coding efforts, and lead the development of innovative systems for energy services. Ideal candidates have substant ...

Senior Backend Engineer — Casino UX (Flexible, Impactful)

A next-gen sports betting platform is seeking a Senior Backend Engineer to join their Casino UX team. The role involves owning the backend lifecycle, building APIs, and writing maintainable code. Candidates should have over 5 years of backend experience, strong Python skills, and a solid understanding of databas ...

Full Stack AI Systems Engineer: Craft Reliable Workflows

Bjak is seeking a Full Stack Engineer - AI Systems in the United Kingdom to develop an AI chat application that emphasizes reliability and persistent workflows. Candidates should have strong experience across the full technology stack, including Next.js and Python, and be familiar with integrating AI and LLMs in ...

Remote Senior ML Engineer Inference & Performance

LinuxRecruit is looking for a Senior ML Engineer to join a new team focused on building next-generation AI infrastructure. This fully remote role requires expertise in Python and ML inference optimisation, as you will work on real production problems using tools like vLLM and Triton. You will drive performance i ...

Mid Senior AWS Cloud Engineer for AI Infra & CI/CD

A fast-growing technology company in London seeks a skilled Cloud Engineer to build and manage scalable AWS infrastructure. The role involves developing CI/CD pipelines and implementing infrastructure as code using AWS CDK. Candidates should have strong Python and TypeScript skills and a proven track record in c ...

Generative AI Prompt Engineer Remote UK

A leading technology company is seeking a Prompt Engineer / LLM Specialist to join their AI research team. This remote position requires 4–5 years of experience in prompt engineering and a strong understanding of LLMs and generative AI. You'll work on optimizing prompts and workflows, collaborating with engineer ...

Remote Digital Verification Engineer – SystemVerilOg/UVM Expert

A leading technology firm is offering an exciting opportunity for a Digital Verification Engineer. This remote role involves ensuring the functional correctness of ASIC designs, developing verification environments using SystemVerilog/UVM, and collaborating with design teams. The ideal candidate will have over 7 ...

AWS Cloud Engineer: Automation, IaC & Security

Crossing Hurdles is seeking a skilled engineer to design and manage AWS infrastructure efficiently. The role involves deploying core AWS services such as EC2, S3, and RDS while ensuring robust security compliance across cloud operations. The ideal candidate will have proven expertise with AWS, experien ...

Loan IQ DevOps Engineer (C#.NET) — Automation & Containers

This job is posted by our partner Jooble. Engineer with a software development background, specifically in .NET/C#. Responsibilities Scripting & Programming (Bash, Python, Go, Java, or similar) for automation scripts Some knowledge of Containerization & Orchestration (D ...

Remote Photonics Engineer for High Power Fiber Transmission

An innovative energy startup in the UK seeks a Photonics Engineer to engage in cutting-edge research on power distribution using fiber technology. The ideal candidate will hold an MSc or PhD in Physics, Photonics, or Optical Engineering, and possess strong programming skills, particularly in Python. This entry-l ...

Remote Senior CFD Engineer & R&D Staff Leader

Synopsys, Inc. is seeking a Staff Engineer to develop fluid dynamics simulation capabilities for marine and offshore applications. You will design and implement new features using Python and Fortran, optimize numerical solvers, and validate results against established benchmarks. The ideal candidate ho ...

Vulnerability Engineer — Remote AI Driven Security Research

Xact Placements Limited is hiring a Vulnerability Engineer for a fully remote position in the UK. The role involves hands-on vulnerability research and building tools to enhance cybersecurity workflows. Ideal candidates will have at least 2 years of experience in vulnerability research, proficiency in Python, an ...

AI Backend Engineer — Early Career, Fast Growth

A pioneering technology firm in the United Kingdom is seeking a Software Engineer to contribute to the development of AI-powered products. This role offers early exposure to cutting-edge systems and opportunities for rapid career progression into leadership. Ideal candidates should have strong programming skills ...

Senior ML Engineer: Lead Production Grade AI Systems

Faculty is seeking a Senior Machine Learning Engineer to lead the development of AI systems that meet high operational and ethical standards. The ideal candidate will hold significant experience in machine learning frameworks like TensorFlow or PyTorch and possess strong Python programming skills. This ...

Lead AI/ML Engineer LLMs in Production & Cloud

La Fosse is partnering with a leading AI FinTech company seeking a Lead Software Engineer to work as a technical co-leader alongside the Engineering Manager. You will own the squad's technical direction and ensure engineering quality while mentoring fellow engineers. The ideal candidate will possess si ...

ML Efficiency Engineer Optimize Training & Serving

EngineersOfAI is seeking an experienced software engineer to join the ML Efficiency team. The role involves designing systems that enhance the efficiency of machine learning training and inference workloads. Candidates should possess a strong background in software engineering, particularly with Python and di ...

Remote Senior Software Engineer Open Science Platform

PLOS GmbH is seeking a Senior Software Engineer to contribute to the design, build, and maintenance of cloud-native solutions in a fully remote environment. Ideal candidates will have significant experience across a full stack, particularly with Google Cloud and Python. This position emphasizes collabo ...

Staff Platform Engineer: AI Driven Automation & Scale

Atarus, a fast-growing technology company in the United Kingdom, is seeking a Staff Software Engineer to lead engineering initiatives that enhance business operations through AI and automation. The ideal candidate will have strong backend experience, particularly in Node.js or Python, and a proven abil ...

Senior Product Engineer Build AI Data Platforms | Remote

Prolific is looking for a Senior Software Engineer to shape the future of AI by leading product development. The ideal candidate will possess a deep understanding of web applications, proficient in Python, and experienced in Event-Driven Architecture. This role requires collaboration with cross-functio ...

Staff Product Security Engineer: Secure CI/CD & CloudNative

Chainguard is hiring a Staff Product Security Engineer who will lead secure CI/CD pipeline initiatives and cloud-native security practices. The ideal candidate has 7+ years in software engineering and significant hands-on experience with Go or Python, Kubernetes, and GCP/AWS. This role emphasizes proac ...

Senior Full Stack Engineer Public Sector (SC Ready)

Sanderson Government & Defence is seeking a Senior Software Engineer to enhance their digital consultancy for the public sector. This role involves delivering high-quality software solutions and working within agile teams to foster collaborative environments. Applicants should possess strong experience ...

AI Performance Engineer Remote with Equity

Jobgether is hiring an AI Engineer for the Performance Team to work remotely in the UK. You will enhance AI-powered products, focusing on performance and scalability using cutting-edge technologies. This role demands strong coding skills in Python or TypeScript, a solid background in AI agents, and a p ...

AI Driven Support Operations Engineer

Seeq is looking for an exceptional engineer to enhance its Technical Support organization in the UK. Focused on AI-driven efficiency, you'll create systems to streamline workflows and improve customer experience. Qualifications include expertise in Python, experience with AI tooling, and a minimum of three years ...

Loan IQ Devops Engineer Nigel Frank

This job is posted by our partner Jooble. Engineer with a software development background, specifically in .NET/C#. Responsibilities Scripting & Programming (Bash, Python, Go, Java, or similar) for automation scripts Some knowledge of Containerization & Orchestration (D ...

OS Performance Expert

Job Title: OS Performance Expert Job Type: Permanent Location: Cambridge, United Kingdom Our client are an international semiconductor company. As a Senior OS Performance Expert, you will play a crucial role in optimizing the performance of our new mobile operating systems OS. Responsibil ...

Front End Engineer II

## Front End Engineer IIApplylocations: United Kingdom - Belfasttime type: Full timeposted on: Posted Todayjob requisition id: R-01328****Engineer II********Belfast, Northern Ireland********Hybrid Schedule (M/F remote, T/W/TH in-office)****At Magnite, we cultivate an environment of continuous growth and ...

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 ...

Full Stack Software Engineer

Full Stack Software EngineerNational Security Business Be part of a growing and highly trusted supplier into the NS domain working to deliver mission critical solutions helping to keep the nation safe, secure and prosperous.Work on leading edge technology solutions in the foll ...

Full Stack Software Engineer

Full Stack Software EngineerNational Security Business Be part of a growing and highly trusted supplier into the NS domain working to deliver mission critical solutions helping to keep the nation safe, secure and prosperous.Work on leading edge technology solutions in the foll ...

Senior Software Engineer (2 vacancies)

Department: Tech Hub Employment Type: Full Time Location: Birmingham, England, United Kingdom Contract type: Permanent Hours: 37.5/ week Salary: circa £84,000 depending on experience Location : Birmingham ...

Senior Full Stack Software Engineer (Forward Deployed, GPS)

Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom AI applications that will impact millions of citizens Generating high-quality training data f ...

Senior Software Engineer (Associate) GMIT Trade Processing

Job Title: Senior Software Engineer (Associate) - GMIT Trade Processing Job Code: 13893 Country: GB City: London Skill Category: ITTechnology Description Job Title: Senior Software Engineer (Associate) – GMIT Trade Processing Corporate Title: Ass ...

Full Stack Software Engineer

Full Stack Software EngineerNational Security Business Be part of a growing and highly trusted supplier into the NS domain working to deliver mission critical solutions helping to keep the nation safe, secure and prosperous.Work on leading edge technology solutions in the foll ...

Full Stack Software Engineer

Full Stack Software EngineerNational Security Business Be part of a growing and highly trusted supplier into the NS domain working to deliver mission critical solutions helping to keep the nation safe, secure and prosperous.Work on leading edge technology solutions in the foll ...

Senior Frontend Engineer (Typescript)

The Role We're looking for an experienced Senior Software Engineer (Frontend) to lead the development of Engine Designer — the interface through which our customers harness the Uncertainty Engine to tackle some of society's hardest problems. In this role, you'll use React and TypeScript t ...

Senior Software Engineer Identity

Salary: £62,000 - 90,000 per year Requirements: Professional experience with TypeScript, AWS, and Infrastructure-as-Code Experience developing and maintaining React-based JavaScript SPAs Experience with unit, integration, and end-to-end testing tools and pr ...

Senior Front End Engineer

About 1st Formations At 1st Formations, we empower entrepreneurs to start, run, and grow their businesses with confidence. Running a business shouldn’t be slowed down by company formation, statutory compliance, accounting, or payroll. From day one, these essentials should be seamless, reliable, a ...

Software Engineer (£100 130k + Equity) at Joinkult.ai

Job Title Software Engineer Salary £100k-130k + Equity Company Description Joinkult.ai – Building a real‑time AI copilot for gamers Job Description As the second engineer at Kult, you will build a real‑time AI voice assistant that watches game ...

Full Stack Engineer

Looking to join a company when you can make a real impact? Full Stack Engineer – SaaS Solutions Salary – up to £55k + bonus Location – hybrid working 2 days a week in modern London office I am excited to be once-again working with our long-term partne ...

Product Engineer (£80k £130k + Meaningful Equity) at Allied

Job Title: Product Engineer Salary: £80k - £130k + Meaningful Equity Company Description: Allied - Notion Capital and 1991 VC‑backed defence tech startup Location: London, UK Job Description: Join a mission‑driven team building AlliedO ...

Senior Front End Engineer Crypto/Web3 (London)

Senior Front-End Engineer - Crypto/Web3 (London) Job Openings Senior Front-End Engineer - Crypto/Web3 (London) About the job Senior Front-End Engineer - Crypto/Web3 (London) Job Responsibilities: You will be a part of the Web Front-End team which oversees a ...

Maintenance Engineer

Maintenance Engineer, Luton, Salary: £45,000 - £52,000, Continental ShiftsPlease read the information in this job post thoroughly to understand exactly what is expected of potential candidates.Are you an experienced Maintenance Engineer looking for a role with genuine development, training, and long-term ...

Product Engineer

FS Product EngineerApply now, read the job details by scrolling down Double check you have the necessary skills before sending an application.Salary up to £120kLondon 2 Days a weekWere recruiting for a FS Product Engineer role for a FinTech providing home lending options , and wanted to see if yo ...

Full Stack java Cloud Serverless Engineer (AWS)

Full-Stack java Cloud Serverless Engineer (AWS)Considering making an application for this job Check all the details in this job description, and then click on Apply.We dont just build applications; we architect modern, scalable cloud ecosystems. We are looking for a Full-Stack java Cloud Serverless Engin ...

Maintenance Engineer

Maintenance Engineer, Luton, Salary: £45,000 - £52,000, Continental Shifts Are you an experienced Maintenance Engineer looking for a role with genuine development, training, and long-term career progression? A leading food manufacturing company in Luton is expanding their engineering team and is seeking ...

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