312,726+ Fullstack Software Engineer Java React Aws Jobs in UK — Top Companies Hiring June 2026

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Geospatial Software Engineer MOD / Defence Outside IR35

Geospatial Software Engineer – MOD/Defence Project, Farnborough, Hybrid, £500-700 per day Outside IR35 Contract opportunity for a Geospatial software engineer for a large MOD project. This is for a defence consultancy and security clearance (SC) would be needed prior to engagement. Due to the natur ...

Senior Software Engineer – Hybrid, Mission‑Critical Systems

A leading UK intelligence agency is seeking a Senior Software Engineer in Manchester to tackle mission-critical challenges. This position involves contributing to the design and architecture of systems, leading teams, and delivering high-quality software solutions. You will benefit from a salary range of £50,354 ...

Golang Software Engineer (Infrastructure & Scraping Systems Team)

Requirements Golang or C/C++ Proficiency: Strong, practical experience writing backend services in either Go or C/C++ is a strict requirement for this role. If your primary expertise is in C++, you must be fully willing and motivated to learn, adapt, and develop primarily in Go moving forward ...

Senior Software Engineer Foundational AI Backend (Hybrid)

Linda-Ai in Greater London seeks a Senior Software Engineer to design and build core backend systems that power AI agents in healthcare. You will impact real patients by developing reliable, scalable systems. The ideal candidate has over 4 years of experience in software engineering, particularly with ...

Drone Swarm Software Engineer – Onsite in Bristol

Hvn Labs seeks a dedicated Software Engineer to join our team in Bristol, focusing on developing Swarm Control & Coordination Software for innovative drone swarm technology. This role involves collaborating with various experts to build robust, scalable systems for real-time planning and execution in drone opera ...

Senior Software Engineer, Cloud Applications and Services

**Job Requisition ID #**26WD97386**The Team @ Autodesk** You will join a collaborative and distributed engineering team within Autodesk Construction Cloud, working on cloud-based services that power large-scale construction projects worldwide. The team is composed of experienced engineers across Europe and Nor ...

Senior Software Engineer Enterprise Systems (C#, SQL)

Optical Express in Birmingham is seeking a Senior Software Developer to join their respected in-house team. You will design, implement, test, and deploy high-quality software solutions, working on systems that enhance patient care through integration with the latest diagnostic devices. The role require ...

Apprentice Software Engineer (Level 4) – C# / TypeScript

MarketAxess Holdings Inc. is seeking a Level 4 Software Engineer Apprentice to support the RFQ-hub platform. This entry-level role offers training in software engineering with hands-on experience in a collaborative environment. The apprenticeship includes off-the-job learning, and candidates should hav ...

Fellow Software Development Engineer (Network Technology Group)

Job Overview AMD seeks a senior software engineer, architect and technical lead to work on the design and implementation of embedded firmware for AMD networking products. This role is within the AMD Network Technology Group in the Cambridge, UK office, and will help develop software for next‑gene ...

Software Engineer, Generative AI Platform (Backend/ML)

Scale AI, Inc. is looking for a skilled engineer to join their Scale GP team in Greater London. This role involves owning significant areas of the product, developing backend services in Python, and integrating LLMs and modern AI infrastructure. Ideal candidates will have a minimum of 4 years of experi ...

Internal Tools Software Engineer – Hybrid AI Platform

DMCG Global is seeking a Software Engineer (Internal Tools) to join their fast-growing AI team in London. This role involves building internal platforms, automation, and tooling for cutting-edge distributed AI systems, emphasizing collaboration, mentoring, and end-to-end feature ownership. With a salar ...

Senior Software Engineer — Real Time Robotics (Embedded)

Tritanium Space, Defence & Technology Ltd. is seeking a Senior Software Engineer based in Southampton. This role involves developing real-time control systems, collaborating with engineering teams, and contributing to robotic operations and mission-critical technology. The ideal candidate holds a degree in Compu ...

Junior Software Engineer: Go & Distributed Systems (Hybrid)

targetjobs UK is seeking a technically minded Software Developer based in Stoke-on-Trent. You will work within the Player Account Management team, focusing on transaction processing and cloud-native solutions, using Go and React. This role offers a hybrid working model and mentorship to help you grow w ...

Apprentice: Level 4 Software Engineer, RFQ HUB

Apprentice: Level 4 Software Engineer, RFQ-HUB Business Support | London, England | Temporary Company Description MarketAxess is on a journey to digitally transform one of the world’s largest financial markets, enabling the shift from analog, phone-based trading to a fully ele ...

Graduate Software Engineer (2026 Intake) — Hybrid Cambridge

AVEVA Denmark is seeking a Software Developer Graduate starting in September 2026 in Cambridge. This role involves designing, developing, testing, and debugging software applications, with a focus on collaborative development and customer support. Candidates should have a relevant degree and experience ...

Backend Software Engineer — High Throughput (Golang/C#)

hackajob is seeking a Software Developer to join our team in Stoke-on-Trent. This role will involve delivering high-quality, scalable solutions on Linux and Cloud platforms, enhancing our Sports systems with innovative features. The ideal candidate will have experience in Golang and/or C#, strong communication s ...

Senior Software Engineer, Customer Platform–Rapid Response

Obsidian Security in Cheltenham is building a new engineering team to address high-priority customer needs and operational escalations. This role focuses on diagnosing complex issues, supporting pre-sales engineering, and coordinating critical work across multiple teams. Ideal candidates will be experi ...

Senior Embedded Software Engineer Hereford, UK Engineering

Looking for your next career move in a company that’s shaping the future of satellite communications? At ETL Systems, we’ve been leading the way in RF design and manufacturing for over 35 years. Our technology powers critical satellite communications infrastructure used by the top 20 satell ...

Senior Software Engineer (Client SDK, UI Platform)

Senior Software Engineer - Client SDK (UI Platform) London, UK Who Are We? Postman is the world’s leading API platform, used by more than 40 million developers and 500,000 organizations, including 98% of the Fortune 500. Postman is helping developers and professionals across the ...

Senior Software Engineer: Greenfield SaaS & Flexible Hours

G&T (girls and tech!) is looking for a Senior Software Engineer to join their innovative team in Gateshead. In this role, you will build greenfield products for both internal and external applications, while establishing robust engineering practices. You'll enjoy flexible working hours and be part of a ...

Senior Software Engineer Billing Systems (VAT & Invoicing)

Perk, located in Greater London, is looking for a Software Engineer for their Billing Team. You will oversee the entire lifecycle of features from understanding customer pain points to deployment. The role emphasizes ownership and collaboration within a cross-functional team. The ideal candidate posses ...

Senior Software Engineer Lead Complex Features | Hybrid

A leading defense and space manufacturing firm in Manchester is seeking a Senior Software Engineer to lead the development of complex features that support its mission to enhance UK safety. This role involves technical leadership, mentoring team members, and contributing to project deliveries from concept to pro ...

Senior Software Engineer — Public Sector Impact (Remote)

Made Tech is hiring a Senior Software Engineer to work across the UK government in transforming public sector technology. You will be responsible for writing high-quality software, mentoring team members, and contributing to the delivery of key projects that impact society. The ideal candidate will have a strong ...

Senior Software Engineer, Fintech Platform: Scale & Impact

Hamilton Barnes Associates Limited is seeking a product-minded engineer to join their global trading and investment firm based in Greater London. This role involves building with JavaScript/TypeScript and Node.js, owning technical problems end-to-end, and improving large-scale systems. The ideal candid ...

C++ Software Engineer Elite Tech, Hybrid London

A leading technology firm in London seeks a Software Developer (C++) offering a salary of up to £120,000 plus bonus and package. This elite tech environment is known for high standards and a passion for cutting-edge technology. As a Software Engineer, you will work on top-performing technology platforms alongsid ...

Lead Software Engineer Remote, C# (SC Cleared)

weServed is hiring a Lead Software Engineer based in Hawthorn, Corsham, with a focus on overseeing the software development lifecycle. This role allows for remote work and requires strong leadership and C# expertise. You will work with multiple teams to deliver software solutions efficiently, coordinat ...

Backend Software Engineer – Fintech Platform (Node/TS)

A leading investment platform in the UK seeks a Software Engineer to join their Backend Engineering squad. You will develop high-quality software and tackle complex technical challenges in a hybrid work environment. This role requires at least two years of experience in software engineering and a passion for cre ...

Systems Software Engineer (Linux / Networking / CI/CD)

Role: Systems Software Engineer (Linux / Networking / CI/CD) Industry: Satellite Communications / Secure Communications / Network Infrastructure IndustryLocation: Redhill, Surrey (Onsite First 6 Months), Hybrid after probation/training period – up to 6 remote days per monthType: P ...

Staff Software Engineer: Platform Architect & AI Lead

A leading technology company in the United Kingdom is looking for a Staff Engineer to oversee the long-term technical health of business units. The role requires expertise in distributed systems, primarily with Python, React, and Postgres, alongside a strong technical leadership background. With a focus on navig ...

Forward Deployed Software Engineer, New Grad Commercial

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, a ...

Senior C & Linux Software Engineer (Hybrid Contract)

System Recruitment is seeking a Senior Software Developer specialized in C and Linux for a contract position in Lymington, Hampshire. This role involves developing and maintaining software applications primarily in C and Linux environments. The successful applicant will work on impactful data managemen ...

Sports Content Software Engineer (Hybrid, Golang Bootcamp)

Job Description As a Software Developer in theMartechSports Content team, you willbe responsible fortheMarketing, Affiliates systems,and various content managementplatformsusedacross theBusiness. The Martech Sports Content teamis responsible fordeveloping and enhancing our platforms for P ...

Senior Software Engineer Ada, Simulation & C2 Systems

A technology solutions company in Stevenage is seeking a Senior Software Engineer with expertise in Ada and a passion for tackling complex problems. You will focus on simulation software for command-and-control systems, engaging in tasks such as root-cause analysis, refactoring legacy code, and enhancing CI/CD p ...

3D Graphics Software Engineer — Shaders & DX/OpenGL

Mainama-Games, located in Haslemere, is searching for a talented 3D Programmer to develop an online game project. You will be tasked with modifying the existing graphics engine and improving applied technologies. The ideal candidate should have at least 2 years of experience in graphics programming, ex ...

Aerospace Software Engineer 3D Graphics & CAD UI

An innovative software company in Bristol is looking for software engineers from entry-level to senior level. In this role, you will enhance in-house software used in cutting-edge technology projects in turbomachinery and aerospace. The position includes working with C++, C#, and various UI and API technologies. ...

Software Engineer Cloud Native, Full Ownership & Impact

Pacific Asset Management, LLC is seeking a Software Engineer to join their team in Greater London. The ideal candidate brings fresh ideas and a collaborative spirit to enhance and scale the company's products. Responsibilities include developing adaptable solutions, participating in system design, and support ...

Mainframe Software Engineer II Build Secure, Scalable

JPMorgan Chase is looking for a Mainframe Software Engineer II to enhance and deliver software components within the Corporate Technology Reference Data team. You'll work in an agile environment, contributing to the design, development, and troubleshooting of software solutions. Required qualifications ...

Software & Controls Engineer — Build Next‑Gen Buses

Alexander Dennis is looking for an Engineer, Software & Controls to develop and test software for advanced vehicle control systems. The successful candidate will collaborate with various teams and contribute to the product lifecycle of both new and existing vehicles. This role requires a degree in engi ...

Lead Software Engineer DeepTech Scale up London

Overview twentyAI are working with a leading Seed Scale up experiencing rapid commercial expansion. They are a team led by exceptional scientific talent backed by top-tier investors. They offer a hybrid working environment, as well as a strong equity package. About the Role They're ...

Senior Software Engineer – Safety Critical Systems (Hybrid)

Searchability is looking for a Software Engineer in Bath to lead the development of safety critical software systems. The role involves working on high-profile safety critical projects in sectors like aerospace and defence. With a minimum of 6 years' experience and expertise in SPARK or ADA, you will m ...

C++ Software Engineer – Hybrid/Remote (Navigation Systems)

A leading software development company in Portsmouth is looking for Software Engineers at various experience levels to join their team. The role involves designing, implementing, and maintaining high-quality software solutions primarily in C++. Candidates should have proficiency in C++ and strong problem-solving ...

Senior Embedded Software Engineer in Eastleigh Staffline

Senior Embedded Software Engineer Location: Eastleigh, United Kingdom Posted 9 months ago Tech Stack Python SQLite C JavaScript Node.js Responsibilities & Qualifications Bachelor’s degree in en ...

Senior Embedded Security Software Engineer (C/Python)

A security solutions company in Cambridge seeks a Senior Software Developer skilled in C and Python for embedded systems. Responsibilities include designing and testing next-gen cryptographic Hardware Security Modules. Candidates should have a degree in a relevant field and experience in Linux environments. This ...

Software/Data Engineer Quant Hedge Fund £250k+

Software/Data Engineer - Quant Hedge Fund - £250k+ A $25BN AUM statarb/HFT equities focused hedge fund client is scaling their front office facing data team to support incoming portfolio manager/researcher hires. This Data/Software Engineer will be working on data ingestion, ...

Satellite Software Test Engineer | Hybrid & Flexible Hours

Airbus is seeking a Software Test Engineer based in Portsmouth. You will work on satellite communications software, emphasizing verification and validation processes throughout the development lifecycle. This full-time position offers competitive salaries, flexible working, and significant development ...

Software Engineer — API Services, Agile, Hybrid Role

A leading technology firm in Salford is seeking a driven software engineer to join their Agile team. The role involves developing services and APIs using C#, with a focus on relational and NoSQL databases, and CI automation systems like Jenkins. Candidates should be excited about technology and delivering high-q ...

Senior Software Engineer, Real Time Alerts Platform

A technology company in London seeks an experienced Senior Engineer to design and develop the Axon Alerts platform, ensuring timely notifications to users. You will work in a dynamic hybrid environment, leading architecture design reviews and mentoring fellow engineers. Ideal candidates have 8+ years of software ...

Senior Software Engineer Ad Tech & AI Platforms

A leading media business in Greater London seeks a Senior Engineer to develop and maintain key advertising products. You will lead design efforts and ensure system reliability at scale, working collaboratively with cross-functional teams. The ideal candidate has over 8 years of software engineering experience, a ...

Senior Software Engineer – eDV Cleared, Cloud & DevOps

A tech recruitment agency in the UK is seeking a Senior Software Engineer for their team in Cheltenham. The role involves delivering full-stack software solutions using Agile methodologies and developing systems for customers in the Government and Defence sector. Candidates must have a solid understanding of sof ...

Senior Software Engineer – FinTech Microservices on Azure

AlbaCo Ltd in East Kilbride is hiring a Senior Software Engineer for its high-impact engineering team. In this role, you'll develop modern banking applications and contribute to architecture decisions. The ideal candidate has over 5 years in software engineering, especially in fintech. Benefits include ...

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    Fullstack Software Engineer Java React Aws Jobs in United Kingdom Job Search Guide, Trends and Insights