1,834,629+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring June 2026

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Chief AI Production Engineer

Citi is seeking a Production Engineer in London to design and maintain intelligent systems for their global production environment. This pivotal role involves crafting production-grade software and applying advanced AI development techniques. The ideal candidate should have expertise in various programming la ...

Senior Angular Engineer — Frontend Leader & Tech Mentor

MHR is seeking a Senior Software Engineer to take ownership of complex front-end features and influence the technical direction of their products. The role requires strong expertise in Angular and TypeScript, along with a commitment to code quality and collaboration within a cross-functional Agile team. < ...

Automation QA Engineer: Shift Left & Cloud Native

Finova Technologies Private Limited in Salford is looking for a Quality Engineer to ensure high standards in software quality. You will play a key role in a cross-functional team, focusing on the shift-left approach and building automation to enhance product delivery. The ideal candidate should have a ...

Senior Rail & Airport Project Controls Lead

Turner & Townsend Plc. in Greater London seeks a Senior Project Controls Engineer to support high-value Major Programmes in the Infrastructure sector. You will work within a project controls team on a prominent Rail project, focusing on performance reporting and analysis. The ideal candidate will have ...

Senior Structural Design Engineer – Civil & Temporary Works

Energy Jobline CVL is seeking a Senior Design Engineer located in Blackfriars, London. This role involves leading the detailed structural design of both temporary and permanent works, alongside providing technical support. Ideal candidates will possess significant experience in structural engineering, ...

Senior Real Time Streaming Platform Engineer

On is looking for a Streaming Platform Engineer to join their Data Streaming Platform team. This hybrid position combines platform, software, and data engineering to build a high-performance data streaming platform. The role involves designing core infrastructure, optimizing data pipelines with technologies l ...

Senior Staff DevOps Engineer Remote UK

Bluefish Labs Inc. is seeking a Staff DevOps Engineer to lead the building and maintenance of cloud infrastructure for their innovative products. This remote role in the UK combines traditional DevOps with Release Engineering, ensuring reliable software delivery while collaborating closely with cross-function ...

Senior DevOps Engineer — Fintech Platform & Cloud Delivery

Abound in Greater London is seeking a knowledgeable DevOps Engineer to enhance the delivery of their Unsecured Personal Loans products. In this role, you will optimize and standardize infrastructure using AWS CDK and Terraform, ensuring swift and secure software delivery. The ideal candidate has a soli ...

Contract Electronics Engineer – Medical Device (Altium, DFM/DFT)

SoCode Recruitment is seeking a Contract Electronics Engineer in South Cambridge for a hybrid position. The role involves supporting DFM changes and managing multiple PCBs in Altium for a medical device platform. The ideal candidate will have strong hands-on debugging skills and experience improving EMC perfo ...

Hybrid Electronic Systems Engineer Systems Design

A leading defense company based in Bolton seeks an experienced Electronic Systems Engineer. In this role, you will transform complex requirements into integrated hardware solutions and produce high-quality documentation and schematics. You will collaborate closely with mechanical, firmware, software, and manufac ...

Senior Backend Engineer Golang & TypeScript (Remote)

Threecolts is looking for a skilled Software Engineer to join our innovative team in Bath, UK. The role requires strong expertise in Golang and TypeScript, with a focus on building and maintaining scalable backend services and APIs. You'll work independently on defined projects while collaborating closely wit ...

Senior Backend Engineer – Billing Infrastructure & Scalability

Sequence in Greater London is seeking an ambitious Software Engineer to take ownership of backend systems that power billing for B2B companies. This role involves designing scalable, reliable systems with high throughput and low latency. You will work with Kotlin and Spring Boot to tackle complex technical ch ...

Automation Driven Quality Engineer (Shift Left)

Gear4music Ltd, based in Manchester, is looking for a motivated engineer to enhance our software development. You will work on scalable applications and promote quality through effective testing and automation. Your role will be pivotal in driving improvements across our technical team. We value contin ...

Asia Pacific Sales Engineer Electronics & Test Solutions

Mandarin Recruitment is offering an opportunity for an Asia Pacific Sales Engineer in Clacton-on-Sea, UK. The successful candidate will join a global manufacturing company that specializes in modular signal switching and simulations for electrical tests and validation. The ideal candidate should have a ...

Applied AI Engineer Consultant: LLM/RAG in Practice

EY in the United Kingdom is seeking a Consultant - Applied AI Engineer who will work with diverse clients across various sectors. The role involves building AI-powered solutions, translating business challenges into technical user stories, and implementing secure tools in an enterprise context. Candida ...

Go Backend Engineer — Kubernetes & IAM

Neo4j is seeking a Backend Software Engineer for Identity and Access Management in Greater London. In this role, you will build, deploy, and manage cloud-native services using Golang, contributing to the architectural evolution of the IAM platform. You will also develop custom Kubernetes operators and ensure ...

Golang Infra Engineer High Load Scraping & GPU/K8s

Corsearch is looking for a Software Engineer to help manage and evolve their robust backend systems, particularly focusing on infrastructure for high-load web scraping operations. This role is critical to scaling their core operations for B2B enterprise clients. The ideal candidate must have strong exp ...

Senior Backend Engineer Kotlin/Java, Fintech & Ownership

Zopa is seeking a Software Engineer to work on backend systems and solve real financial problems for millions of customers. The role focuses on distributed systems that process thousands of transactions daily, requiring strong backend engineering skills in Kotlin or Java. You'll collaborate with various stake ...

Senior AI/ML Engineer Data Optimization & Platform

Google Inc. is looking for an AI/ML Senior Software Engineer to enhance data optimization techniques, boost ML models' performance, and collaborate with various teams to drive data platform strategies. The ideal candidate will have a Bachelor's degree in a relevant field, strong Python skills, and several yea ...

Traffic Engineer TROs & Moving Traffic (AutoCAD)

A leading engineering consultancy in the Greater Manchester area is looking for a skilled Traffic Engineer to support their busy Traffic and transportation team. The ideal candidate will have experience developing new and amending existing Traffic Regulation Orders and can proficiently use AutoCAD and other rele ...

Senior Go & Python Engineer Secure, Multi Tenant Platform

PhysicsX, based in Greater London, is seeking a Senior Software Engineer to join our Core Services team. The successful candidate will design and implement robust authentication and authorization systems that enhance our AI-driven simulation platform. This role involves architecting scalable security m ...

Senior Support Engineer — Critical Systems & DevOps

Northrop Grumman UK is seeking a Senior Support Engineer located in Cheltenham, England. The role involves maintaining critical infrastructure and software to ensure system operationality, managing complex technical tasks, and implementing best practices in DevOps and SRE. Candidates must have hands-on ...

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 ...

Free 16 Week Python Engineer Accelerator

CodeFirstGirls is offering a Mid-Level Python Engineer position in London through the Mid-Level Accelerator programme. This program is ideal for candidates with 1.5+ years of experience in Software or Data Engineering. Participants will benefit from a 16-week free training course that prepares them for ...

Principal Mechanical Engineer, Hydropower & Dams

Stantec Consulting International Ltd. is seeking a Principal Mechanical Engineer to support the design and development of hydropower systems in Edinburgh. In this role, you will work within a dynamic team to produce mechanical designs and collaborate on various projects across the energy sector. Ideal candidates ...

Founding Solutions Engineer — Remote First & Enterprise Scale

Appfactor is seeking a Solutions Engineer to build the function from the ground up. This role will involve leading technical sales processes, creating playbooks, and evangelizing our platform to enterprise customers. Candidates should have at least 3 years in technical consulting, with a strong development ba ...

Backend Engineer Python/Flask, Hybrid London

Skinandme is seeking a Backend Engineer in London to work on our core commerce and clinical systems. You will be responsible for building APIs, data models, and services that power consultations and prescriptions. The role requires solid experience in Python and Flask, ensuring correctness due to the clinical ...

Impactful Java Engineer — On Site, Clearance Required

Frontier Resourcing is seeking a Software Engineer to join a cutting-edge team. This role focuses on developing impactful technology projects, including AI-powered tools and secure data pipelines. You will work in an agile environment that values collaboration and innovative problem-solving. Candidates ...

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 ...

Senior Systems Engineer, Secure Product Development

Holt Engineering Ltd is seeking a Systems Engineer in Farnborough to lead multidisciplinary product development projects. The ideal candidate will have at least 5 years of relevant experience and a degree in Engineering or related fields. You will be responsible for defining system architectures, manag ...

Staff Automation Engineer: Secure CI/CD & DevOps

Palo Alto Networks in Greater London is seeking a Staff Automation Engineer to enhance our software release lifecycle. You will design and maintain CI/CD pipelines, ensuring high security and reliability while optimizing for speed. This role requires extensive experience with DevOps tools like Terrafor ...

Subsea Route Engineer – 12 Month Contract

OceanIQ in Chelmsford is seeking a Route Engineer for a 12-month fixed term contract, with a start date ideally on 1st July 2026. This role involves working with marine survey data and GIS tools to design submarine cable routes, considering technical and environmental risks. The successful candidate wi ...

Senior Automation QA Engineer Remote & Flexible

A leading technology solutions provider in Northern Ireland is seeking a Software Engineer in Test to join their agile team. The ideal candidate will have experience in both manual and automated testing across various frameworks. This role offers a comprehensive benefits package focused on employee wellbeing, ca ...

Senior DevOps Lead: Automate, Deploy & Scale in AWS

IF1874 GE Energy Power Conversion UK Limited is looking for a Lead DevOps Engineer to enhance the software development lifecycle through automation and collaboration. Responsibilities include managing CI/CD pipelines, optimizing cloud environments (primarily AWS), and mentoring junior engineers. The id ...

Backend Engineer Pathogen Platform (Bioinformatics)

A leading technology institute in Oxford is seeking a Backend Software Engineer to develop and maintain secure, scalable backend services and APIs. In this role, you will work within a cross-functional team to support cutting-edge bioinformatics solutions. Ideal candidates will have strong knowledge of backend p ...

Embedded Health Data Engineer for Strategic Integrations

A leading health data tech firm is seeking a skilled engineer to act as a technical bridge between their platform and top clients. You will design and implement integration architectures for complex health data use cases, serve as a dedicated expert for multiple strategic accounts, and contribute to product impr ...

Senior Enterprise AI Solutions Engineer

Tomoro is seeking a Senior AI Solution Engineer to lead the development and deployment of innovative AI applications. You will work closely with clients and teams to deliver cutting-edge solutions aligned with business goals. The role requires at least 5 years of software development experience, partic ...

AWS DevOps Engineer Flexible, Cloud & CI/CD

IBM is seeking an AWS DevOps Engineer to join their Client Innovation Centers in Cheltenham, UK. The successful candidate will enhance DevOps capabilities by automating software delivery pipelines and guiding junior engineers. Key responsibilities include managing CI/CD pipelines, utilizing Infrastructure as Cod ...

Green Tech Python Fullstack Engineer (AWS)

A leading energy-tech company in the Greater London area is seeking a Python Software Engineer to join their core product team. The ideal candidate will work in a hybrid environment, resolving critical engineering challenges in a fast-paced green tech setting. They will have ownership over design decisions, cont ...

Lead C++ Engineer Low Latency Trading Systems

TwinThread, based in London, is seeking a Lead eSoftware Engineer specializing in C++. This role involves developing innovative software solutions in a dynamic electronic trading technology environment. The successful candidate will work collaboratively across teams, ensuring high-quality production co ...

Senior Cloud Platform Engineer for Global Scale

A technology company specializing in e-commerce solutions is looking for a Senior Software Engineer for its Cloud Platform Engineering group in Belfast. This pivotal role involves designing, implementing, and managing enterprise cloud infrastructure while providing technical leadership to a skilled team. Ideal c ...

Senior AI Engineer: Autonomous Security Platform

A cutting-edge cloud security company in Belfast is seeking a visionary AI Engineer to help build their internal AI platform and architect intelligent systems. This role involves developing autonomous workflows and collaborating with teams to enhance security posture through machine learning. The ideal candidate ...

AI First .NET Architect for Scalable Systems C#/PostgreSQL

A leading tech company in the United Kingdom seeks a Senior Software Engineer to architect and build a production-grade, AI-first .NET platform. This role involves transforming AI workflows into resilient production code, designing the infrastructure for high-concurrency workloads, and adopting AI-assisted tools ...

Production Linux & Datacenter Engineer Slough

A financial software firm is seeking an Infrastructure Engineer to manage and improve their Linux systems in production. The role involves hands-on datacenter operations, including managing LXD/LXC container platforms and troubleshooting infrastructure issues. Candidates should have 2-3 years of experience with ...

Enterprise AI Engineer Deploy Production AI for Clients

IFS is seeking a Forward Deployed AI Engineer in Greater London to work directly with enterprise customers. You will design and deploy AI solutions, leading the implementation of intelligent agents across complex workflows. The ideal candidate has 2-5 years of experience in software or solutions engineering, pro ...

Cloud Security Engineer for Scalable Embedded Platform

A leading technology startup in Greater London is seeking a Software Engineer to develop security-focused cloud services and infrastructure. The ideal candidate will have 3+ years of specific industry experience and a strong grasp of distributed systems and cloud computing. Together with an innovative team, you ...

Senior Java Engineer for AI Enabled Service Modernisation

IG KnowHow is seeking a Senior Java Engineer to join their Service Modernisation & AI team. In this role, you'll modernise services using AI and develop AI-powered development infrastructure. The ideal candidate will have over 8 years of experience in software engineering with a strong focus on backend ...

Principal Backend Engineer Lead & Deliver Systems

A leading defense technology company based in Manchester is seeking a Principal Software Engineer. In this role, you will be responsible for designing and maintaining critical infrastructure, leading engineering teams, and ensuring project success. The ideal candidate will have strong capabilities in backend dev ...

DSP Audio R&D Engineer for On Demand Vinyl Tech

A cutting-edge music technology company in Elstree is seeking a DSP-focused Audio R&D Engineer to develop and optimize internal audio tools, enhance system efficiency, and drive audio technology innovations. The role requires a Master's degree focused on audio or signal processing and proven experience in develo ...

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