2,338,039+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring June 2026

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Controls Engineer

Controls Engineer£50,000 - £55,000 + Training + DevelopmentMonday - Friday, 40 Hours Per WeekBristolDo you have experience in PLC programming, commissioning and design? Are you interested in joining an industry leadin ...

Staff Python Engineer

Staff Python EngineerOverviewOcho is delighted to be working on behalf of our client to recruit a Staff Python Engineer to join a high-performing engineering team building large-scale, cloud-native platforms used by thousands of customers across North America.This is ...

Staff Python Engineer

Staff Python EngineerOverviewOcho is delighted to be working on behalf of our client to recruit a Staff Python Engineer to join a high-performing engineering team building large-scale, cloud-native platforms used by thousands of customers across North America.This is ...

Electronic Architect / Project Lead

Product Architect / Project Lead (Embedded Instrumentation) Location: North East England Salary / Package: £70-90K A well-established R&D-led manufacturer of professional electronic instruments is seeking a Product Architect to lead the development of complex new products from concept through to production. This ...

Senior Python Developer

Senior Python Developer Location: Krakow, PL Employment type: Contingent Worker Place of work: Hybrid Offshore/Onshore: Onshore TechnipFMC is committed to driving real change in the energy industry. Our ambition is to build a sustainable future through relentless innovation and ...

Senior Python Developer

Senior Python Developer Location: Krakow, PL Employment type: Contingent Worker Place of work: Hybrid Offshore/Onshore: Onshore TechnipFMC is committed to driving real change in the energy industry. Our ambition is to build a sustainable future through relentless innovation and ...

Senior Python Developer

Senior Python Developer Location: Krakow, PL Employment type: Contingent Worker Place of work: Hybrid Offshore/Onshore: Onshore TechnipFMC is committed to driving real change in the energy industry. Our ambition is to build a sustainable future through relentless innovation and ...

Senior Python Developer

Senior Python Developer Location: Krakow, PL Employment type: Contingent Worker Place of work: Hybrid Offshore/Onshore: Onshore TechnipFMC is committed to driving real change in the energy industry. Our ambition is to build a sustainable future through relentless innovation and ...

Senior Python Developer

Senior Python Developer Location: Krakow, PL Employment type: Contingent Worker Place of work: Hybrid Offshore/Onshore: Onshore TechnipFMC is committed to driving real change in the energy industry. Our ambition is to build a sustainable future through relentless innovation and ...

Senior Python Developer

Senior Python Developer Location: Krakow, PL Employment type: Contingent Worker Place of work: Hybrid Offshore/Onshore: Onshore TechnipFMC is committed to driving real change in the energy industry. Our ambition is to build a sustainable future through relentless innovation and ...

Test Engineer

Job Title: Manufacturing Test Engineer Location: Luton Job Summary: Our Client are seeking an experienced and highly skilled Manufacturing Test Engineer / Electrical Test Engineer with a strong background in testing and measurement equipment, specifically NI products and LabVIEW softwa ...

L2 Support Engineer South Africa

An IT Support Engineer - L2 plays a crucial role in maintaining the smooth operation of an organization’s IT infrastructure. This position involves handling more complex technical issues that are escalated from Level 1 support, requiring a deeper understanding of IT systems and problem‑solving skills. The ...

Senior Cloud Network Engineer London, UK

How often do you get the chance to build a technology that transforms the future of humanity? At Graphcore, we’re building the future of AI compute. We’re a team of semiconductor, software and AI experts, with deep experience in creating the complete AI compute stack—from silicon and software to in ...

Senior CodeQL Engineer Remote UK, Code Analysis

GitHub is looking for an experienced software engineer to join their Code Scanning team in the UK and work on code analysis engines. This role requires over 6 years of software engineering experience in languages like C, C++, and Python, along with specialization in software security or developer tools. The idea ...

Acoustic DSP Firmware Engineer (Embedded Systems)

Vantage Consulting is looking for a Firmware Engineer specialising in Acoustics & Signal Processing based in the United Kingdom. In this role, you will develop advanced embedded software and firmware for acoustic sensing systems and signal processing platforms used in real-world environments. Your resp ...

Senior Cloud Engineer

Senior Cloud Engineer | Abingdon | Excellent salary plus bonus | 1 day onsite per week MARS has partnered a global consultancy to hire in a permanent Senior Cloud Engineer to join a talented IT function. This strategic delivery partners work, spans both private and public enterprises on a global ...

Backend Developer

Job Description We are seeking a skilled Backend Developer with strong hands‑on experience in Python and/or Java to design, develop, and maintain scalable backend services and APIs. The ideal candidate will have experience building robust backend systems, integrating with databases and ex ...

Senior Python Developer

Senior Python Developer Department: Cyber Services and Capabilities Employment Type: Full Time Location: GBR Manchester Hardman Boulevard Description An exciting opportunity to be one of the core team members of the Software Engineering team within NCC Group’s GM ...

Senior Python Developer

Senior Python Developer Department: Cyber Services and Capabilities Employment Type: Full Time Location: GBR London Description An exciting opportunity to be one of the core team members of the Software Engineering team within NCC Group’s ...

Senior Python Developer

Senior Python Developer Department: Cyber Services and Capabilities Employment Type: Full Time Location: GBR Cheltenham Jessop House Description An exciting opportunity to be one of the core team members of the Software Engineering team wi ...

Senior Python Developer

Senior Python Developer Department: Cyber Services and Capabilities Employment Type: Full Time Location: GBR Manchester Hardman Boulevard Description An exciting opportunity to be one of the core team members of the Software Engineering team within NCC Group’s GM ...

Senior Python Developer

Senior Python Developer Department: Cyber Services and Capabilities Employment Type: Full Time Location: GBR Cheltenham Jessop House Description An exciting opportunity to be one of the core team members of the Software Engineering team wi ...

Engineering Manager

Our client is transforming primary care by enabling proactive, preventative healthcare at scale. They support 500+ practices and 4.5 million patients across the UK, helping teams identify risk earlier, act sooner, and deliver care efficiently without extra burden. Their engineering team builds robus ...

Frontend Developer

Overview The role is a Frontend Developer position with Talego Recruitment, Manchester-based agency. It is a hybrid role requiring 2 days in a Manchester office. Salary range provided is £45k-£50k+ (DOE). This position focuses on frontend development using React and WordPress within a collaborativ ...

Backend Java Engineer

Java Engineer – Backend & Search PlatformLocation: London, UK**PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK **About the RoleYou’ll be working on a large‑scale backend platform that powers advanced search, ...

Backend Java Engineer

Java Engineer – Backend & Search PlatformLocation: London, UK**PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK **About the RoleYou’ll be working on a large‑scale backend platform that powers advanced search, ...

Platofrom Engineer

Platform Engineer Role: Platform Engineer Permanent Role Salary: Up to £60,000 Location: Remote-first (with occasional travel to Bristol, approx. once per month) Please note: Applicants must be UK-based and eligible to meet Security Clearance requirements (including UK residency for the past 5 years). Tech Stack ...

Sales System Engineer

Mixpanel turns data clarity into innovation. Trusted by more than 29,000 companies, including Workday, Pinterest, LG, and Rakuten Viber, Mixpanel’s AI-first digital analytics help teams accelerate adoption, improve retention, and ship with confidence. Powering this is an industry-leading platform that comb ...

Sales System Engineer

Mixpanel turns data clarity into innovation. Trusted by more than 29,000 companies, including Workday, Pinterest, LG, and Rakuten Viber, Mixpanel’s AI-first digital analytics help teams accelerate adoption, improve retention, and ship with confidence. Powering this is an industry-leading platform that comb ...

Mechanical Design Engineer

Job Title: Mechanical Design EngineerLocation: WashingtonSalary: c.£45,000An successful engineering business is seeking a Mechanical Design Engineer to join its established team. This Mechanical Design Engineer role offers the opportunity to work on innovative products within a collaborative environm ...

Enterprise Architect Supply Chain

Enterprise Architect - Supply Chain We have a new opportunity for a Enterprise Architect role which is a remote opportunity so candidates can work from any location but must be technically strong. Should have the supply chain, expertise. This is a Technical role for someone like a Se ...

Senior Automaton Tester

Automation Tester - SC - hybrid Manchester or Newcastle Upon Tyne - 6 months - c£520pday Umbrella Our client is seeking an experienced Senior Automation Tester to work on a hybrid basis (3 days p/wk) in either Manchester or Newcastle upon Tyne. You will have current SC clearance ideally or el ...

Senior Process Technician

Your JobAs a Senior Process Technician, you will contribute to the development and validation of 28G optical transceivers by characterizing, analyzing, and documenting product performance. This role plays a critical part in test station development, software integration, laboratory operati ...

Senior Process Technician

Your JobAs a Senior Process Technician, you will contribute to the development and validation of 28G optical transceivers by characterizing, analyzing, and documenting product performance. This role plays a critical part in test station development, software integration, laboratory operati ...

Software Developer Equity Market Making Trading Platform

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across four c ...

Data Validation and Management Specialist

Job Title: Data Validation and Management SpecialistLocation: Whitley CoventryRate: £28.43ph via an Umbrella Company (Inside IR35) or £21.24ph on a PAYE basisEmployment Type: Maternity Cover Contract (To 30/09/2026)Hours: Standard 40 Hours Per WeekReference: J(phone number ...

Workplace IT Engineer

Workplace IT Engineer (2nd Line Support) West London Ongoing Temporary Contract ASAP Start 174 per day PAYE or 225 per day Umbrella Full time site based role with as this is supporting the wider members of the team with both hardware and software A West London Local Author ...

Integration Architect

<p>Hands-on Integration Architect for Project Compass, driving real-time Ledger (RTL), Payments, and FX systems integration within a large banking platform.</p> <p>Deep integration expertise + cloud-native mindset</p> <p>Strong communicator and technical leader< ...

Integration Architect

<p>Hands-on Integration Architect for Project Compass, driving real-time Ledger (RTL), Payments, and FX systems integration within a large banking platform.</p> <p>Deep integration expertise + cloud-native mindset</p> <p>Strong communicator and technical leader< ...

Research Engineer, Pretraining Scaling London

About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working ...

Microsoft Dynamics365 and Power Platform Support Analyst

JOB DESCRIPTION The team you'll be working with: The Microsoft Dynamics365 and Power Platform Support Analyst will be responsible for undertaking support, maintenance and development tasks on the Dynamics365 and Power Platform estate for a large NTT DATA client in the public sector. This ...

Frontend Webflow Engineer

Ebury helps ambitious businesses unlock global growth, and we take the same approach with our people. We encourage innovation and movement, collaboration and problem-solving, and foster an environment where everyone can feel they belong, are valued, supported and empowered to succeed. If you’re a c ...

Microsoft Dynamics365 and Power Platform Support Analyst

JOB DESCRIPTION The team you'll be working with: The Microsoft Dynamics365 and Power Platform Support Analyst will be responsible for undertaking support, maintenance and development tasks on the Dynamics365 and Power Platform estate for a large NTT DATA client in the public sector. This ...

Senior Python Engineer — GenAI Microservices, Hybrid (London)

About Us: ClearRoute is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We help enterprises reliably bring high-impact digital products to market faster, cheaper, and safer, working with technology leaders facing complex business challenges. ...

iOS Developer

About the Role As an iOS Developer you'll be tasked with working on iOS application development. Working within the software development team, your duties will require you to assist in the development of consumer and enterprise applications. This role is ideal for developers who feel confident in ...

High Voltage Test Engineer

We are seeking a High Voltage Test Engineer based in London with strong LabVIEW and automated test bench design experience to join a leading engineering organisation in London. This is an exciting opportunity for a genuine HV specialist to design and develop advanced high voltage test systems from the ground up, ...

Implementation Consultant

About G2 - The Company G2 is the world's largest and most trusted software marketplace. When you join G2, you’re joining the industry’s leading team that helps businesses reach their peak potential by powering decisions and strategies with trusted insights from real software users. Now, we have j ...

Back End Developer

This range is provided by Anson McCade. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Backend Software Engineer – Digital Solutions Location: London (approx 3 days a week) Salary: Up to £65,000 + 10% Bonus </p ...

Drainage & Infrastructure Design Engineer (Hybrid)

Energy Jobline CVL is looking for a Drainage and Infrastructure Engineer in Birmingham. This full-time, hybrid role involves technical support for drainage design and infrastructure projects, ensuring quality and safety standards. Ideal candidates should possess an engineering-related degree and experi ...

MAC Engineer for Trading Floor IT | Evening Shift, On Site

A global trading and investment firm in London is looking for an experienced MAC Engineer to manage desktop infrastructure. The role includes daily maintenance of hardware and software, asset tracking, and user onboarding in a high-stakes environment requiring evening shift work. Ideal candidates have 2-4 years ...

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    Full Stack Software Engineer Javascript React Elixir Jobs in United Kingdom Job Search Guide, Trends and Insights