276,880+ Fullstack Software Engineer Java React Aws Jobs in UK — Top Companies Hiring June 2026

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Mid Level Software Engineer (Python) RegTech 2026 UK

Suade is building world‑leading regulatory technology aimed at preventing the next financial crisis. Our success is built on the ability of our engineers to work hand‑in‑hand with domain experts, translating concepts from finance and regulation into code. The RegTech Engineer is at the core of this and is ...

Senior Software Engineer – Node/API Backend, Remote Ready

A music technology company is seeking a Senior Software Engineer to redefine the music industry by building applications for a web platform. The ideal candidate has strong skills in JavaScript/TypeScript and Node.js, with experience in designing RESTful APIs and working in cloud environments. This role involves ...

Mobile Software Engineer Intern 12 Week Hybrid (UK)

Roku in Manchester is offering a Software Engineer Intern position. You'll have the opportunity to develop and improve mobile applications, using technologies such as Swift and Kotlin. This 12-week paid internship aims at aspiring engineers ready to contribute to innovative projects within a collaborat ...

Backend Software Engineer C#/.NET, SQL (London Onsite)

A leading technology firm in London seeks a Backend Software Engineer with expertise in C# .NET and SQL. Join a collaborative team to develop algorithmic trading systems, ensuring high performance and scalability. Ideal candidates will have a strong academic record, advanced programming skills, and a thorough un ...

DTN Software Engineer — Remote UK, Shape Mesh Networks

A leading technology firm in the UK seeks a passionate DTN Software Engineer. In this role, you'll develop and maintain laser communication technologies and support cloud-based solutions for aerospace communications. The ideal candidate has experience with the DTN stack and distributed systems, and possesses str ...

Staff Software Engineer – AI‑Powered FinTech (Hybrid, London)

A leading technology company in Greater London is seeking a Staff Software Engineer to join its Financial Services team. You will engage in building innovative cloud-native applications while leveraging AI technologies to enhance operational efficiency and user experience. The ideal candidate will thrive in a fu ...

Mobile Software Engineer Intern Paid 12 Weeks (Hybrid)

Roku, Inc. is seeking a passionate Software Engineer Intern to join our team in Manchester, UK. This paid 12-week internship will involve developing new features for our mobile apps and maintaining existing applications, all while working collaboratively with a dynamic team. The ideal candidate is enro ...

Senior Staff Software Engineer Unity Catalog Runtime Enforcement

RDQ127R176 At Databricks, we are passionate about enabling data teams to solve the world's toughest problems — from making the next mode of transportation a reality to accelerating the development of medical breakthroughs. We do this by building and running the world's best data and AI infrastructu ...

RISC V Systems Software Engineer (Rust/C & Compiler)

microTECH Global LTD in Cambridge is looking for a skilled engineer to develop RISC-V firmware and drivers. You will utilize your expertise in C or Rust, implement security tools, and analyze performance metrics. A degree in Computer Science or equivalent experience is required, along with strong problem-solving ...

Lead Software Engineer Drives Control for Megawatt Systems

GE Vernova is looking for a Lead Software Engineer for Drives Control Application in Rugby, England. You will develop Control Application Software for Electric Drive Systems, leading the entire product life cycle. The position requires UK citizenship and offers flexibility in the work environment along ...

Senior Real Time Software Engineer, SC Cleared, Undersea

A leading engineering service provider in Manchester is seeking a Senior Software Development & Deployment Engineer to design, integrate, and deploy high-performance real-time software applications. The ideal candidate will possess over 8 years of experience, proficiency in C++, and a solid understanding of dist ...

Senior Software Engineer, Real Time FX Trading Platform

A leading financial services company is seeking a Senior Software Engineer specialized in building and maintaining high-performance FX trading platforms. You will work on designing critical infrastructure while ensuring system stability and scalability. The ideal candidate has strong experience in C++, problem-s ...

Senior Software Engineer (C#/F#) Hybrid, Scalable FinTech

A fast-growing financial services organization is seeking Software Engineers to join their team in Cheadle Hulme. The role involves designing, developing, and maintaining robust systems using F# and Vue.js. Ideal candidates will have 5+ years of software development experience, strong C# proficiency, and a willi ...

.NET Software Engineer — Build Next Gen Compliance Platform

A leading compliance software company is seeking a developer to join their Product Team. You will work on delivering high-quality software solutions, contribute to team architecture, and maintain documentation. The ideal candidate will have over a year of experience in a commercial setting, strong skills in .NET ...

Rust Software Engineer — Elite Low Latency Systems (Hybrid)

Role: Software Engineer (Rust) Client: Elite Technology Company Compensation: Up to £200,000 + Bonus + Package Location: London (Hybrid Working) Overview This firm is an elite technology company wit ...

Staff Full Stack Software Engineer, (Forward Deployed), GPS

Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom AI applications that will impact millions of citizens Generating high-quality training data f ...

Software Engineer — Truth Seeking AI, Hands On Impact

A leading AI company in Greater London is looking for an exceptional software engineer to work on critical product challenges. The ideal candidate thrives in a meritocratic environment, possesses outstanding communication skills, and is passionate about creating truth-seeking AI. This role emphasizes initiative ...

Hybrid Real Time Software Engineer (C/C++/C#)

Software Engineer About ipTEST: ipTEST is a growing company in an exciting high technology area at the forefront of new developments powering the green revolution. We are a dedicated, engineering‑based organisation with the skills to meet the demanding needs of our growing custo ...

Senior Software Infra Engineer Cloud, CI/CD & Kubernetes

About Graphcore Graphcoreis one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every indu ...

Mid Level Software Engineer (Python) RegTech 2026 UK

Suade is building world- leading regulatory technology aimed at preventing the next financial crisis. Our success is built on the ability of our engineers to work hand-in-hand with domain experts, translating concepts from finance and regulation into code. The RegTech Engine ...

Senior Staff Software Engineer Unity Catalog Runtime Enforcement

RDQ127R176At Databricks, we are passionate about enabling data teams to solve the world's toughest problems — from making the next mode of transportation a reality to accelerating the development of medical breakthroughs. We do this by building and running the world's best data and AI infrastructure pl ...

Senior Software Engineer — AI/ML Backend & Data Pipelines

Datalex is seeking a Senior Software Engineer specializing in Python-based AI/ML development to design and deploy machine learning features. The role involves building APIs, collaborating on CI/CD, and mentoring Junior Engineers. Candidates should have 8+ years of experience, strong knowledge of AI technologies, ...

Senior Lifting System Software Engineer Hybrid (C#/SQL)

Big Red Recruitment is searching for a Senior Software Engineer to help their leading Motorsport team enhance business-critical lifing systems. This role involves software development, systems support, and stakeholder engagement, focusing on creating solutions that add genuine business value. Key respo ...

Low Latency C++ Software Engineer for Trading Platform

DRW, a leading trading firm, is seeking a Software Engineer with expertise in C++ to join their London office. This role involves working within the Core Infrastructure team, focusing on the development and maintenance of DRW's low latency trading platform. The ideal candidate will have over 5 years of ...

Senior Software Engineer, Core Experiences Edinburgh, United Kingdom

Mission Speechify is the easiest way to listen to the world’s information. Articles on the web, documents in the cloud, books on your phone. We absorb it all and let you listen to it at your desk, on the go, at your own speed, and with tools that make learning easier, deeper, and faster. ...

Backend Engineer (Cloud Server, £65k, Computer Software, London)

We have an exciting opportunity for a Backend Engineer role in a computer software company that is based in California. The company has been recognised as one of the Best Startups and is looking for a suitable person for the Backend Engineer role whose initial responsibility will be to develop an integra ...

Senior Software Engineer – Python & C# for Semantic Search

LexisNexis Risk Solutions is looking for a Software Engineer III (Python & C#) to architect and build complex systems in Farringdon, UK. You will develop a semantic search API and maintain tools, ensuring quality at every step through code reviews and best practices. The ideal candidate will have profi ...

Senior Software Engineer, Martech Content & AI Platform (Hybrid)

bet365 is seeking a Senior Software Developer in Manchester to join our Martech Content team. In this pivotal role, you will collaborate with a talented group of professionals dedicated to enhancing our state-of-the-art Martech Content Platform. Your responsibilities will include leading development ef ...

Front End Software Engineer, Console in London evroc

Front End Software Engineer, Console Location: London, United Kingdom Posted: 9 months ago Company: evroc – a pioneering company dedicated to building hyperscale cloud infrastructure, focusing on security, sovereignty, and sustainability to enhance Europe’s digital ...

Senior Software Engineer – AI‑Driven Event Platform (Remote)

A leading event platform company is seeking a Senior Software Engineer to own features from inception to completion. This role emphasizes a hybrid work environment and offers significant career development opportunities. Candidates should have experience with modern languages and frameworks, AI competencies, and ...

Senior Software Engineer in Test (SDET / Automation / SET)

Senior Software Engineer in Test (SDET / Automation / SET) Senior Software Engineer in Test (SDET / Automation / SET) Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Eden Scott Experienced Tech Recruiter with extensive experien ...

System Software Engineer in Test AI Driver QA

Graphcore is seeking a System Software Engineer in Test to work on groundbreaking AI technologies. Join the Drivers QA team to ensure high-quality performance of next-gen products. The ideal candidate has 3+ years of experience validating Linux kernel/device drivers, proficiency in C++/Python, and fami ...

Senior Software Engineer — End to End, AI Driven

Opus 2 in Edinburgh is seeking a Senior Engineer to lead complex projects and enhance team capability. This role focuses on full-cycle engineering with an emphasis on using AI tools effectively. You'll shape the engineering strategy and mentor others, with a commitment to quality and operability in a fast-pac ...

Staff Software Engineer: Build Scalable, AI Driven Systems

Performativ, a fintech scaleup in Greater London, is seeking a Staff Software Engineer to tackle complex technical challenges and drive system improvements. This role involves designing robust distributed systems that operate at scale and leveraging AI tools for efficiency. The ideal candidate will pos ...

Senior Software engineer AI Freelance 12 months contract

Who we are:We are a rapidly growing pan-European digital wealth manager, serving over 167,000 active investors with more than £ billion invested on our platform. We began in Milan in 2011 with the purpose to help more people improve their financial well-being by making personal investing simple ...

Generative AI Research Software Engineer for 3D Animation

GOOGLE is seeking a Research Scientist to develop algorithms and models for 3D body shape estimation and generative animation. Ideal candidates will have a Bachelor's in Computer Science, 5 years of Python experience, and a focus on Machine Learning. This role contributes to the development of technologies for a ...

Senior Software Engineer – Distributed Systems & AI‑Driven Banking

FIS in Greater London is seeking an experienced professional to help build next-generation AI-enabled banking platforms. You will design and implement complex systems such as transaction engines and ledgers while ensuring correctness and scalability. The ideal candidate has strong proficiency in Go or Rust and e ...

Senior Software Engineer – Unity/C#, Lead Features & Scale

Zynga seeks a Senior Software Engineer in Greater London to lead complex projects and develop scalable software solutions. You will mentor junior engineers while ensuring high standards of performance and security. A strong background in C#, Unity, and analytical skills is essential. The position offers a highly ...

Software Engineer II: Cloud, OT & On Site Impact

A leading technology company in the United Kingdom is seeking a Software Engineer II to join their IT team. This full-time position requires expertise in cloud-based systems and strong collaboration skills, with responsibilities including software development, documentation, and continuous improvement of applica ...

Senior Lead Software Engineer Python, Data, Cloud, AIML

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Senior Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank's Markets Research Technology team, you serve as a seasoned member of an agile team to design ...

Senior Data Scientist (Senior Software Engineer), BBC Verify

Senior Data Scientist (Senior Software Engineer), BBC Verify Permanent - Full Time Location: London, GB, W1A 1AA Job Reference: 20803Band: DSalary: Up to £70,000 plus London weighting depending on relevant skills, knowledge and experience.Contra ...

Mobile Software Engineer (£40,000–£45,000 + Equity) at Cauli

Mobile Software Engineer (£40,000–£45,000 + Equity) Company: Cauli – UK’s largest reusable packaging provider for the food service industry. Salary: £40,000–£45,000 + Equity Location: London, UK Job Description As our first dedicated mobil ...

Staff / Principal Software Engineer (Hardware Tools Automation/SRE)

The role Our GPU & AI Hardware IP teams need incredibly performant build and test workflows to help them deliver our upcoming IP roadmap – so we need a talented software engineer to help us build a revolutionary new automation system, and to keep our workflows running 24/7. This is a pion ...

Credit Core Software Engineer – PL/SQL (Senior/Mid)

Avaloq AG in Edinburgh is looking for skilled Software Engineers to join our global Credit Core Team. You will innovate and maintain our Core Product while collaborating with Tech Leads, Business Analysts, and other Software Engineers. This role emphasizes developing effective solutions and engaging with exte ...

Senior Software Engineer Digital Twin for Sustainable Buildings

Max Fordham LLP is seeking a Senior Software Developer to enhance its digital capabilities in engineering and consultancy. The role involves developing software tools and delivering insights from complex datasets to support digital transformation in the built environment. Suitable candidates should pos ...

Senior Software Engineer — Hybrid (Payments Tech) & Tech Lead

Edenred PayTech seeks a Senior Software Engineer to join their hybrid team in Swindon/London. The role involves designing, implementing, and testing new features while mentoring junior engineers, contributing to technical excellence, and ensuring adherence to quality standards within a fast-paced environment. En ...

Software Engineer – Commercial Modification (Associate or Experienced level)

Job Description At Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment for every teammate that’s welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. The team ...

Mobile Software Engineer (£40k–£45k + Equity) at Cauli

Job Title Mobile Software Engineer Salary £40,000–£45,000 + Equity Company Description Cauli is the UK's largest reusable packaging provider, led by Forbes 30 Under 30 CEO Josephine Liang. They utilize IoT and AI-driven technology to replace single-use waste at ...

Senior Software Engineer AI Driven, Full Cycle Leader

Job Search Place Limited is seeking a Senior Engineer in Edinburgh to lead complex engineering projects and enhance team capability. This position emphasizes full-cycle engineering utilizing AI tools effectively, shaping engineering strategy, and mentoring team members in a fast-paced environment. The ...

Senior Test Software Engineer for Mission Critical Defense

A leading technology firm in Stevenage is seeking a Senior Test Software Engineer. This role focuses on developing high-reliability test solutions that integrate complex defence systems without a login screen. You'll need strong skills in C, C++ or ADA, and the ability to work in mission-critical environments. I ...

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