2,202,958+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring June 2026

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Senior C# Engineering Manager Finance & Azure Delivery

A leading financial services firm is seeking a Senior Software Engineer to lead a product-focused engineering team. This role requires collaboration with stakeholders and third-party partners, focusing on solution delivery and technical guidance. The ideal candidate will have strong technical skills in Microsoft ...

Senior Staff Engineer Architecture & Tech Leadership

A popular wine company in the UK is seeking a Senior Staff Engineer to lead architectural and technical strategy across teams. This hybrid position in Norwich or London requires over 10 years of software engineering experience, strong leadership abilities, and a focus on improving performance and reliability. Th ...

Founding Solutions Engineer – Fintech Payments (Hybrid)

A leading fintech company is seeking a Founding Solutions Engineer to join their hybrid team in London. This role offers the opportunity to define technical partnerships and deliver solutions in the fast-evolving world of card payments powered by stablecoins. Candidates should have 5–10 years of experience in so ...

Research Scientist: Verified Code Gen & Lean Proofs

Google Inc. is hiring for an experienced engineer focused on formal methods and AI systems. The role involves designing systems that produce formal proofs of code correctness and collaborating across teams in London, UK. A PhD in computer science and experience in static analysis or software verification are ...

Founding AI Product Engineer: Agentic Systems

A leading lifestyle management platform in Greater London is seeking a Founding Product Engineer to own and ship user-facing, AI-driven features from inception to production. The role requires strong technical expertise and product ownership skills, focusing on delivering value to members and shaping solutions. ...

UK‑Based Client‑Facing AI Deployment Engineer (Cloud)

Oliver Bernard is seeking a Forward Deployed Engineer in Greater London to collaborate closely with client engineering teams. This role involves leveraging tools for AI-native development and shipping impactful changes. With a salary of up to £145k plus a potential bonus, the role requires 5+ years of ...

Senior Design Engineer CAD, FEA & NPD Lead

A recruitment agency is looking for a Senior Design Engineer to work in Bedford, UK. The ideal candidate will have over 5 years of mechanical design experience in a 3D CAD environment and familiarity with ISO 9001 standards. Responsibilities include project management, producing 3D models and technical documenta ...

Lead Distributed Systems Engineer .NET / C#

Platform Recruitment is seeking a Principal Software Engineer for a leading technology company in Cambridgeshire. You will be responsible for shaping the technical direction, leading the architecture of distributed systems, and mentoring other engineers. The ideal candidate will have over 10 years of e ...

Lead AWS DevOps Engineer — CI/CD, Kubernetes

IBM is seeking a Senior AWS DevOps Engineer to join their team in the East Midlands. In this role, you will lead initiatives to automate software delivery processes and mentor junior engineers, contributing to IBM’s strategic direction in modern DevOps practices. The ideal candidate will have strong ex ...

Field Refrigeration Engineer Diagnostic & On Site Expert

Oyster Recruitment Ltd is seeking a skilled Refrigeration Engineer in Glasgow to provide high-quality support to customers. This role involves diagnosing complex issues and building strong relationships with clients. The position offers a base salary of up to £48,000 per annum with an OTE of £65,000+, ...

Senior Embedded Engineer — Lead Hardware & Firmware

Savaria UK is seeking a Senior Embedded Software Engineer in Kingswinford to lead the technology for the stairlift division. You will design and develop both analogue and digital systems, create schematics, and mentor junior engineers. The role offers a unique 4-day working week with Fridays off. The i ...

Senior Engineering Lead: Architecture, AI & Team Growth

Backbase is looking for a Senior Engineer in Cardiff who will lead technical projects while nurturing the growth of team members. This role involves system design, agile delivery, and directly contributing to coding and debugging. The ideal candidate has over 5 years of software engineering experience, ...

Data Platform Engineer: AI‑Driven Data Infrastructure

Arrows in Greater London is seeking a Data Platform Engineer to join their evolving team focused on data and AI capabilities. This role involves building scalable internal data platforms, designing ETL pipelines, and contributing to AI-driven initiatives. The ideal candidate will have strong software engineer ...

Senior Front End Engineer Blazor & UX Lead

Bright in Manchester is seeking a Senior Software Engineer with a strong front-end and UX focus to join their engineering team. In this hands-on role, you will build Blazor applications in C# and .NET and shape user experiences to elevate design quality across the team. The ideal candidate has signific ...

Distributed Market Data Engineer – Real Time Tick Platform

Selby Jennings is hiring a Software Engineer in Greater London to design a greenfield Tick Data Platform for a leading hedge fund. You will implement distributed, event-driven systems focused on real-time market data ingestion. The ideal candidate has a strong academic background in Computer Science an ...

Python Engineer — Cyber Security (Greenfield AI Defense)

Client Server is seeking a Python Software Engineer to innovate within AI cybersecurity. Join our R&D team to work on complex projects focusing on developing a new Greenfield product. You will collaborate with a diverse team and enjoy perks like free lunches and personal development budgets. Ideal cand ...

Senior C++/Rust Engineer Real Time Linux & Security (Hybrid)

SoCode Recruitment is seeking a Mid/Senior C++/Rust Software Engineer in Cambridgeshire. This hybrid role involves working on innovative security solutions within a collaborative environment. Candidates should have a strong background in C++ and/or Rust, along with relevant experience in Linux and real-time s ...

Ruby Backend Engineer Payments & Checkout APIs

The Commerce Payment integrations team is hiring a Software Engineer. This role is crucial in developing and maintaining payment integrations that allow merchants to process payments securely and efficiently. You will work with Ruby on Rails, troubleshoot production issues, and mentor junior engineers. <p ...

Senior Frontend Engineer – Foundry UI & Low‑Code Tools

Palantir Technologies is seeking a Senior Front End Software Engineer to join their dynamic team in Greater London. In this role, you will craft tools and applications that empower our partners, tackling sophisticated technical problems and designing user-friendly interfaces. You will engage closely wi ...

Platform Engineer: Kubernetes & GitOps (Flexible Hours)

dunnhumby is looking for a Platform Engineer to join our Application Platform team, based in either London or Manchester. This role involves building and operating the deployment platform that our engineering teams rely on. You'll be hands-on during a critical migration to Kubernetes and continuously improve ...

Open Source Compiler Engineer – LLVM/Arm

Arm in Manchester is excited to announce a Software Engineer position focused on advancing compiler technology. Join our team of passionate engineers collaborating with the GNU/LLVM community. This role involves enhancing open-source compilers to leverage Arm's architectural features and optimizing ben ...

Bazel at Scale Engineer (Junior Mid) Greenfield Role

Fractile is seeking an experienced engineer to develop the Bazel ecosystem from scratch in a hybrid role based in London or Bristol. You will have the unique opportunity to design rules, optimize performance, and define developer experiences, impacting the entire engineering team. With a focus on deep ...

Senior Electrical Engineer Building Services

JAM Recruitment Ltd is looking for a Senior Electrical Engineer Building Services in Penwortham. This is a contract position offering £60.69 per hour inside IR35. You will assist in preparing design solutions for various projects while managing external consultants and delivering engineering support throughou ...

Senior Geotechnical Design Engineer – UK Highways

SLR Consulting Ltd is seeking an experienced Geotechnical Design Engineer to join our team in Sheffield or Manchester. The role focuses on delivering high-profile geotechnical design projects in the UK highways sector, with potential opportunities for international exposure. The ideal candidate will ha ...

AI Reliability & Test Automation Architect

ConnexAI is looking for an AI Reliability & Test Automation Engineer to enhance automated testing within their LLM AI team. This role involves designing and maintaining automated test capabilities for complex AI systems, ensuring new features are testable and integration with CI/CD processes. Ideal can ...

Remote Test Automation Engineer – Agile QA & Growth

Version 1 is seeking a Software Engineer in Test to join an agile team in Edinburgh. The role involves manual and automation testing to help clients achieve their business transformation goals. You'll define test strategies, assist in scrum teams, and monitor issue resolutions. The ideal candidate has ...

Senior Electrical Engineer Hybrid London, MEP Design

Sweco is looking for a talented Senior Electrical Engineer to join their team in London. This role focuses on Building Services design for various projects and allows for flexible work arrangements. Responsibilities include detailed electrical designs, project management, and collaboration across disciplines. ...

Sprinkler Project Lead – Onsite Delivery & Car Allowance

Hall & Kay in Woolavington is seeking a Project Manager/Project Engineer to oversee sprinkler system projects from design to commissioning. The ideal candidate will have technical expertise in sprinkler systems and strong project management skills, ensuring compliant installations. Your role includes m ...

Lead Edge AI Engineer Real Time On Device ML (Bonus)

IC Resources is offering a compelling opportunity for an AI Engineer in Cardiff, focusing on next generation Edge AI and intelligent hardware systems. You'll work on innovative projects that impact real-time applications while enjoying high levels of autonomy and technical ownership. The ideal candidat ...

Lead Highways Design Engineer (Hybrid)

Morson Human Resources Limited is seeking a Principal Highways Engineer for a 9-month hybrid position based in Greater Manchester. The role involves leading design activities in compliance with UK standards and collaborating with various stakeholders. The ideal candidate will have a degree in Civil Eng ...

Senior Engineer, Tokenization & Custody Systems

CoinDesk is looking for a talented engineer to drive tokenization features and secure the infrastructure for digital assets. With over 5 years of software engineering experience required, the role involves leading the design, implementation, and testing of smart contracts, ensuring a high degree of security a ...

Golang Backend Engineer: High Load Infra & GPU Pipelines

Corsearch is seeking a Software Engineer to manage and evolve our core infrastructure that handles massive web scraping operations. In this role, you will be responsible for maintaining and optimizing systems that serve thousands of B2B enterprise clients. The ideal candidate has strong experience in e ...

Backend Engineer, Control Plane for AI Data Platform

DataDirect Networks, Inc. is hiring a Backend Software Engineer to join the Control Plane team for their DDN Infinia AI Data Platform. This hands-on technical role involves designing and developing scalable backend services and APIs for centralized management in hybrid environments. The successful cand ...

Staff Backend Engineer — Low Latency Trading APIs

Robinhood is looking for a Staff Software Engineer to join our Core Exchange team in London, where the mission is to create a best-in-class trading experience. Ideal candidates should have over 10 years of backend engineering experience and a strong focus on designing high-performance systems. The role ...

AI Engineer (Mid) – Build Production AI for Media

Bauer Media Outdoor is looking for a software engineer to join our AI Enablement team in London. This role focuses on building and deploying AI solutions, collaborating with Product Leads to create impactful technology. You will be responsible for clean coding, system design, and integrating AI into productio ...

AI Cloud Platform Engineer — Flexible & Impactful

Morgan Stanley is seeking an AI Cloud Solution Engineer in Glasgow to join their Technology Architecture & Modernization team. The role focuses on building an AI Development Platform and requires expertise in cloud architecture and software development, particularly in Python. The ideal candidate will ...

Hybrid Embedded MCU Firmware Engineer for Medical Devices

HS Design, Inc. in Bristol is looking for an Embedded Software Engineer to develop firmware for medical devices. In this role, you will collaborate with multidisciplinary teams to create safety-critical applications using C/C++. You will be mentored by Senior Engineers and participate in a supportive culture ...

Senior AI Engineer, Risk Tech — NLQ & Multi Agent

JPMorgan Chase in Greater London is seeking a Lead Software Engineer for AI - Vice President position in Risk Technology. This role involves leading the deployment of advanced AI solutions and mentoring a team of engineers while partnering with various stakeholders to drive innovative AI initiatives. T ...

Senior Manufacturing Engineer NPI, Lean & MRP in Defence

Energy Jobline ZR is seeking a Senior Manufacturing Engineer in Ampthill, offering a permanent role with a salary of up to £55,000. In this position, you will be involved in developing manufacturing processes and defining operational sequences for complex assemblies. The ideal candidate will possess a ...

Senior AI & DevSecOps Security Engineer Hybrid

iProov is seeking a Senior Security Engineer to enhance the security of our agentic AI products. This role will involve architecting security frameworks and maintaining our core security technologies. The ideal candidate will have a solid foundation in software engineering, experience securing cloud in ...

Senior Mechanical Engineer – Global Hydraulics & Modelling

HR Wallingford in Manchester is seeking an experienced engineer to join their Equipment, Technology and Innovation Group. You will engage in engineering design, collaborating closely with electrical and software engineers to deliver innovative solutions. This role offers training on specialized systems ...

GPU Performance Optimization Engineer

A leading technology company in London is seeking a GPU Performance Analysis Engineer to join their Silicon Technologies group. In this role, you will analyze and optimize GPU performance across various Apple products. Responsibilities include developing performance test plans, troubleshooting issues, and collab ...

Senior C++ Engineer: High Performance, Hybrid Cambridge

jobs.frontdoordefense.com - Jobboard is hiring a Senior C++ Software Engineer to join our R&D team in Cambridge. The role involves designing and developing high-performance, low-latency C++ systems to enhance our services. This hybrid position requires being in the office at least 2 days a week. The id ...

Design Manager Lead Innovation & Delivery

Wagstaff Recruitment in Wakefield is seeking an experienced engineer to lead the development of new techniques and manage projects. You will be responsible for guiding projects from concept to execution while ensuring timely delivery and maintaining quality standards. The role requires a Bachelor’s or ...

Electrical Design Engineer Low Carbon Heat Networks Hybrid

A leading energy solutions firm in the UK is seeking a flexible Electrical Design Engineer to support heat network infrastructure design. This role, based in Sheffield or London, offers opportunities to own design projects and work collaboratively in a growing team. Candidates should have a BEng in Electrical En ...

Innovative Mechanical Design Engineer — Glasgow

Cibsejournal is seeking a skilled Mechanical Design Engineer to join their team in Glasgow. This exciting role involves developing and designing mechanical components, collaborating with cross-functional teams, and conducting engineering analyses to ensure effective project outcomes. The ideal candidat ...

Senior Electrical Design Engineer – BIM & Energy

Ridge and Partners LLP in Greater London is seeking an Electrical Engineer to enhance their Engineering Team. The role involves working across various stages of project design and development, ensuring quality through mentoring and collaboration. As part of a dynamic team, you will contribute to design ...

Senior C/C++ Linux Engineer — Flexible DSP & Imaging

ECM Selection (Holdings) Limited in Gloucester is seeking an accomplished C/C++ and Linux software engineer to work on varied technical consultancy projects. Responsibilities include engaging with clients and leading technical initiatives across areas like image processing and UI design. The ideal cand ...

Mid Level Python Engineer — Free 16 Week Training (Birmingham)

CodeFirstGirls is offering a 16-week free training course for a Mid-Level Python Engineer position with the Counter Terrorist Police in Birmingham, UK. This course aims to help women upskill into mid-level tech roles while providing hands-on experience in design, development, and collaboration on software sol ...

Kubernetes Platform Engineer for Hybrid Cloud & ML Infra

Hlx Life Sciences is seeking an Engineer within the Platform Team to build and scale infrastructure for machine learning and data science initiatives. This role involves collaborating with cross-functional teams to design and maintain high-performance systems across a hybrid cloud environment. The idea ...

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