1,831,797+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring June 2026

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Systems Integration Project Engineer (SC Clearance)

Gold Group is seeking a Project Engineer in Bristol to support the delivery of integration tools to customers and work with various teams to ensure timely project delivery. Responsibilities include collaborating within an agile team, deploying software on COTS hardware, and ensuring compliance with safety doc ...

Senior Backend Engineer Greenfield Real Time Hospitality

A global technology company is seeking a talented Backend Software Engineer to join their team based in London. The successful candidate will design and develop high-performance backend systems for the hospitality-tech industry. This is a great opportunity to work on greenfield projects and collaborate with cros ...

Fullstack Engineer to Scale a FinTech Navigator Platform

A leading technology and data company in Edinburgh is seeking a Fullstack Software Engineer to join their Investor Solutions team. The role focuses on collaboration with cross-functional teams to deliver innovative solutions within the financial industry. Candidates should have proficiency in Python, experience ...

Web Security & Backend Engineer (PHP/Go, Cloud)

A leading technology recruitment agency is seeking a Software Engineer to join their team in Fareham. You will be responsible for planning and developing security solutions, backend development, and using modern development practices. The ideal candidate will have solid experience in object oriented programming ...

Senior Structural Engineer — Bridges & Major Civil Projects

Amey seeks a Senior Structural Engineer based in Motherwell, Scotland, to join their Bridges teams. You will be pivotal in delivering significant civil engineering projects worth over £1bn, collaborating with various stakeholders including Transport Scotland and Local Authorities. The role requires expertise in ...

Senior Civil Engineer Urban Development

A leading engineering consultancy in Wales is looking for a Senior Engineer with expertise in civil engineering and urban development. This role will support projects in areas such as drainage, highways, and utilities while managing integrated solutions across teams. Ideal candidates will have a degree, project ...

Senior Java Engineer Remote UK, Scale & Impact

A leading educational technology company is seeking a Senior Software Engineer to join their Integrations team. This role offers the opportunity to work remotely or from Newcastle, UK. The candidate will be responsible for developing critical integrations and in-house applications. Candidates should have 5+ year ...

Staff Frontend Architect & Platform Leader

A leading tech company in Scotland seeks a Staff Frontend Software Engineer to own the frontend architecture and lead quality standards. In this role, you'll shape decisions on performance, scalability, and accessibility while mentoring fellow engineers. You'll work closely with Product and Design teams to drive ...

Senior .NET Engineer Remote/Hybrid Tech Leader

慨正橡扯 in Leeds is seeking a Senior .NET Engineer to champion software quality and technical vision. You will work on large-scale projects and help develop junior and mid-level developers. The ideal candidate will bring .NET expertise, strong problem-solving skills, and experience in mobile application d ...

Senior Aero Thermal Engineer – Cooling Systems

A leading motorsport team is seeking a Senior Aerodynamics Engineer (Thermal) at their Silverstone facility. The successful candidate will develop aerodynamic cooling solutions, analyze CFD data, and collaborate on the aerodynamic thermal development plan. Ideal applicants will have experience in motorsport, pro ...

Junior Electronics & IoT Firmware Engineer

A recruitment agency is seeking a Junior Electronics Engineer in the UK to support product development in Smart Technology. Ideal candidates should be graduates in Electronics or related fields, equipped with skills in electronics, firmware, and software. Main duties include testing and developing products, part ...

Senior AI Core Services Engineer Cloud Native Azure

A global technology services company based in Cambridge is seeking a Senior Engineer to join their Core AI Services team. This role involves designing and developing AI-enabling platform services on Microsoft Azure. Candidates should have over 10 years of software engineering experience, particularly with cloud- ...

Hybrid Senior Highway Drainage Engineer – Lead Schemes

A leading engineering firm is seeking a Senior Drainage Engineer in Shrewsbury to lead complex drainage projects. The role involves feasibility studies, detailed designs, and ensuring compliance with regulations. Candidates should have experience in drainage design, familiarity with relevant specifications, and ...

Platform Engineer – AWS, CI/CD, SC Cleared (London/Leeds)

LSA Recruit is seeking a Platform Engineer based in London or Leeds, UK. This permanent role requires active SC Clearance and involves designing and maintaining efficient platform solutions, especially within AWS. The successful candidate will document procedures, implement CI/CD pipelines, and work cl ...

Senior Python Backend Engineer — AI Driven Fintech (Remote)

Hunter Bond is seeking a Python Software Engineer to join a rapidly scaling fintech unicorn in London. The role involves designing and maintaining backend systems for AI-driven financial technology products. You will collaborate with cross-functional teams and have significant technical ownership. Comp ...

Python DevOps Engineer – Cloud Native (Hybrid, West London)

Breakthrough Talent is seeking a Software Engineer (Python) in Slough to join their Data Cloud engineering team. You will work on building scalable platforms and have a role in driving CI/CD and DevOps best practices. This position offers a salary up to £55,000, with hybrid working (2 days on-site). Id ...

Lead Kubernetes Platform Engineer for Scalable AI Clusters

Anthropic is seeking an experienced engineer to own and operate the Kubernetes scheduler and scale their control plane in London. You will collaborate with cloud providers, build core cluster services, and ensure system reliability while debugging complex issues. Ideal candidates will have significant software e ...

Product Security Engineer: Build Defenses for Scale

MirrorWeb is seeking a Product Security Engineer to enhance the security of their communications compliance platform. The role focuses on engineering defenses against adversaries targeting the regulated communications of financial firms. Your responsibilities include defending the supply chain, impleme ...

Contract Embedded Design Engineer SC Cleared, Hybrid

A specialized engineering organization in Northamptonshire is seeking a Contract Embedded Design Engineer for a 6-month engagement with a daily rate of £400. The ideal candidate will have over 5 years of experience in embedded software development, particularly in C and C++. Knowledge of FPGA design is required, ...

Electrical Design Engineer Industrial Control Panels

A global manufacturing company is seeking an Electrical Design Engineer to join their Birmingham team. Responsibilities include the design and technical support of industrial control panels, ensuring design compliance with standards, and collaborating with suppliers. The ideal candidate will have a strong backgr ...

Senior OHL Design Engineer – Transmission Projects

Iberdrola, S.A is seeking a Lead Engineer OHL in Cambuslang to deliver engineering solutions for Transmission networks projects. This role involves managing complex projects while guiding less experienced staff and ensuring compliance with Health, Safety, and Quality standards. The successful candidate ...

Senior C++ Engineer — Graphics & GPU R&D

Platform Recruitment is seeking a Senior Software Engineer in Cambridge offering a salary of up to £75,000 (DoE). In this role, you will write high-performance C++ code, establish modern development practices, and collaborate closely in a high-energy team. The ideal candidate will have over 4 years of commercial ...

Senior Backend Engineer Healthcare Data Marketplace

A healthcare data platform company is seeking a Software Engineer to enhance backend systems for healthcare data management. The ideal candidate has over three years of experience, strong programming skills in Python, and comfortable with both structured and unstructured data. This role offers competitive compen ...

Senior HV Cable Design Engineer – Substations & renewables

A leading engineering consultancy in Birmingham seeks a pro-active individual to join the Cable team focused on electrical substation design, major renewables, and HVDC interconnectors. The ideal candidate will have a Bachelor’s or Master’s in Electrical Engineering, experience as a civil substation engineer, an ...

Senior Staff Engineer: Data Streaming & Event Driven Architecture

A leading sportswear company is looking for a Staff Software Engineer to enhance event-driven architectures and drive the development of data streaming. The role involves mentoring junior engineers and collaborating with global teams. Candidates should have over 5 years of experience in scalable systems and exte ...

Trading Platform Python Engineer — High Impact Tech

A diversified trading firm is seeking a skilled Software Engineer to enhance their trading platform. The successful candidate will manage proprietary trading systems, write performance-sensitive Python code, and collaborate across teams to implement effective technology solutions. A Bachelor's or Master's degree ...

Staff Embedded Engineer ESL & Bluetooth Systems

Qualcomm is seeking a strong Software Engineer to join our Electronic Shelf Label team working on QCC710-based platforms. This role involves significant autonomy as a technical leader across firmware and hardware, influencing product direction. Responsibilities include maintaining production firmware, ...

Customer Facing Deployment Engineer

An innovative tech company in Greater London is seeking a Forward Deployed Engineer to support customer deployments and enhance their software testing platform. This role combines engineering and customer interaction, requiring strong programming skills and effective communication. Ideal candidates will have a c ...

R&D Engineer: Electromechanical Systems & Simulation

ghd is looking for an engineer for their Cambridge office to utilize hands-on skills in building and troubleshooting complex systems. The role requires a Bachelor's or Master's degree and at least 2 years of experience, preferably in consumer electronics. Key responsibilities include system prototyping, data ana ...

Founding AI Control Engineer for Greenhouse Ops

Optimal Agriculture is seeking a Founding Forward Deployed Engineer to connect AI systems with greenhouse operations in Greater London. You will engage with growers, monitor production behavior, and build tools to enhance onboarding and customer interactions. Candidates should possess strong communication skills ...

Senior AI Research Engineer — Edge AI & Multimodal Vision

A leading AI solutions provider is seeking a Senior AI Research Engineer in London. The role involves developing state-of-the-art AI products by improving training algorithms and multimodal LLMs. Candidates should have over 5 years of software engineering experience with proficiency in Python, and strong experti ...

Senior Backend Architect Ultra Scale Data Platform

A leading data and AI firm in Greater London seeks a Senior Staff Software Engineer to design and maintain backend systems that power their platform. Must have over 15 years of experience in distributed systems and a strong foundation in algorithms. The role includes technical leadership, mentorship, and project ...

Valve Design Principal Engineer: Technical Authority & Impact

AL8238 UK Grid Solutions Limited is seeking a Principal Engineer to lead valve design projects, ensuring safety and compliance with international standards. The role includes mentoring junior engineers and supporting the Valve Engineering team. The ideal candidate should have a degree in Electrical Eng ...

Senior Civil Engineer & Technical Lead for Complex Projects

A leading UK contractor is seeking a Principal Engineer to lead complex civil engineering projects. This role focuses on technical delivery, innovation, and mentoring within a supportive environment. Candidates should possess strong technical knowledge in engineering and construction standards, be proficient in ...

Geotechnical Lead: Underground Tunnels & Structures

A leading engineering consultancy in Greater London is seeking an experienced Principal Geotechnical Engineer to lead the geotechnical design of underground tunnels and shafts. You will work on innovative projects, ensure compliance with design standards, and mentor junior engineers. The ideal candidate has exte ...

Principal Civil Engineer Lead Sustainable Highway Design

A leading engineering consultancy is seeking a Principal Engineer to lead innovative civil engineering projects. The role involves managing multi-disciplinary designs for highways and drainage, mentoring junior engineers, and engaging with clients to deliver effective solutions. The ideal candidate will have str ...

Senior AI Engineer — Build AI First Travel Platform Hybrid

A leading technology company based in Manchester is seeking a Senior AI Engineer to join their innovative team. You will play a crucial role in integrating AI into travel solutions, focusing on scalable API development and intelligent features. Ideal candidates should have strong experience in .NET Core and LLM ...

Developer Experience Engineer: Build DevTools for LLMs

Fractile Ltd in Bristol is seeking a Developer Experience Engineer to enhance developer tools for optimising large language models on their cutting-edge hardware. The ideal candidate will have strong software engineering skills, excellent Python expertise, and experience with systems languages. A degre ...

Senior Lead Data Engineer: Real Time AI Driven Analytics

JPMorgan Chase is seeking a Lead Software Engineer in Greater London to drive innovation in data engineering and automation. You will lead technical initiatives across global teams, designing scalable solutions for real-time trading and analytics. Ideal candidates will have substantial experience in Py ...

Automation First SDET for Government Digital (Hybrid)

Scrumconnect Limited in Swansea is seeking a Software Development Engineer in Test (SDET) for a role focused on automated testing within digital services for government clients. You will design and build test frameworks and ensure integration within CI/CD pipelines. The ideal candidate will have proven ...

Manufacturing Engineer: Lean Improvement & Automation

A leading electrical switchgear manufacturer in Northern Ireland seeks a Manufacturing Engineer to optimise manufacturing processes and improve product quality. The ideal candidate will have a Bachelor's degree in a relevant field, with a minimum of 3 years of industry experience, strong understanding of manufac ...

Civil Design Engineer: Urban Infrastructure & Drainage

The Construction Index Ltd is seeking a Project Civil Design Engineer to join their London office. You will work on diverse infrastructure projects alongside structural teams, contributing to practical and sustainable design solutions. Applicants should have a degree in Civil Engineering, relevant expe ...

Principal AI Native Deployment Architect

JetBrains is seeking a Principal Forward Deployed Engineer based in Greater London. In this role, you will work with customers to deploy the JetBrains Central platform into enterprise environments, transitioning them to AI-native workflows. Ideal candidates will have a background in software projects, familiarit ...

Graduate Structural Engineer — Design for Sustainability

A leading design firm in Greater London is seeking a dedicated structural engineer to join their civil and structural engineering team. You will work on diverse projects, actively contributing to the design and technical aspects across varied sectors. Ideal candidates should have strong design and technical skil ...

Senior Structural Design Engineer — Hybrid Working

Morgan Hunt UK Limited is seeking a Senior Structural Design Engineer to join a consultancy in Glasgow. This position involves leading structural design efforts and ensuring compliance with UK standards. The ideal candidate will possess a degree in Structural or Civil Engineering, significant consultan ...

Senior Backend Lead Engineer (Java & Kotlin) – Fintech Innovation

A major financial services firm located in Greater London seeks a Senior Lead Software Engineer to lead the development of innovative products focused on solving real-world problems for customers. The candidate will thrive in collaborative environments, bringing a curious mindset and passion for fintech to the t ...

Senior Java/Kotlin Backend Engineer – Hybrid London

A leading software development company in London is seeking a Senior Java/Kotlin Engineer to join their high-impact product engineering team. In this hybrid role, you will design scalable backend services and influence technical direction. Ideal candidates will have extensive experience with Java/Kotlin, AWS, an ...

Marketing Executive

MarketingExecutive-softwaredevelopment Upto£35K-Remote1dayevery2weeksMalvern Check you match the skill requirements for this role, as well as associated experience, then apply with your CV below.This role requires the unusual combination of people with experience in both a technical software ro ...

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