240,714+ Fullstack Software Engineer Netjava Jobs in UK — Top Companies Hiring July 2026

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Senior Software Engineer, AI Reliability Engineering London, UK

Senior Software Engineer, AI Reliability Engineering London, UK About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group ...

Staff Software Engineer AI Driven Fintech New Products

Airwallex, based in Greater London, is seeking a skilled software engineer to lead innovation in fintech AI, driving high-level strategic visions into market-ready products. Candidates should have extensive experience in backend systems and the ability to communicate technical trade-offs effectively. T ...

Senior Software Engineer — Backend & Full‑Stack (Django/AWS)

A fast-growing B2B tech company based in London is seeking a hands-on Senior Software Engineer. You will drive the technical and product evolution and work on building full-stack solutions, integrating with external systems, and collaborating with diverse teams. The ideal candidate should have strong experience ...

Lead Software Engineer: Front Office & AI (Hybrid/London)

Saragossa, a credit-focused asset manager in Greater London, is seeking a software engineer to take technical ownership and drive AI exploration. In this hybrid role, you will lead projects that directly impact investment decisions using technologies like C#, Azure SQL, and React or Angular. The ideal ...

Senior Software Engineer Core Platform (Rust/C++, Python)

Durlston Partners LLP is hiring a Senior Software Engineer in London to design and develop core platforms that enable autonomous systems. You will work alongside exceptional engineers and tackle complex technical challenges in a collaborative culture. The ideal candidate has strong skills in C++, Java, ...

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 infrastruc ...

Senior Software Engineer Build a Trading Exchange (Go)

A technology firm specializing in sports trading is seeking a Senior Software Engineer to join their team in London. As an early engineer, you will work closely with the CTO on building mission-critical distributed systems for their exchange platform. Candidates should have a strong technical background, includi ...

Senior Software Engineer AI & Cloud Automation (London, Onsite)

Cititec is seeking a Senior Software Engineer for a contract position with a daily rate of £800, based in London with 3 days onsite. Join a global commodity trading organization focused on innovative AI-driven engineering solutions. In this role, you will work on automating engineering workflows, desig ...

Senior Software Engineer: Real Time Routing & ML Systems

A fast-growing logistics startup in London seeks a Software Engineer to tackle challenging problems and collaborate with experienced professionals. The role involves impactful work from optimizing operational tools to developing scalable applications. This company offers competitive compensation, generous equity ...

Staff Software Engineer (£130k–£150k + Equity) at UnlikelyAI

Job Title Staff Software Engineer Salary £130k-£150k + Equity Company Description UnlikelyAI is a Series A London startup founded by William Tunstall-Pedoe, the creator of Alexa, building a novel neurosymbolic platform. They combine LLMs with proprietary symbol ...

Senior Software Engineer – Asset Manager – Up to £140,000

Technical ownership, AI exploration and project variety at a specialist asset manager. You'll be joining a credit-focused asset manager - a tight, focused business where the work you do actually matters and is felt across the firm. On the technical side, you're taking real ownership here. You ...

Software Engineer (Up to £130k + Equity) at Adamo

Overview Job Title: Software Engineer Salary: Up to £130k + Equity Company: Adamo - Venture-backed robotics infrastructure startup Location: London, UK Job Description Join a small, elite team building the data layer for ro ...

Senior Software Engineer Rust/Cpp/Java/Python | Equity

Job Search Place Limited is seeking a Senior Software Engineer proficient in Rust, C++, Java, or Python for their London office. The role involves designing and building core software platforms, collaborating with users, and interfacing with autonomous systems. With a competitive salary package up to £ ...

R&D Software Engineer: Immersive Training & AI Prototyping

Matchtech, a leading technology company in the Defence & Security sector, is looking for a Research & Development Software Engineer to join their team in Portsmouth. This role offers an opportunity to work on cutting-edge immersive training solutions. The ideal candidate will have a degree in software ...

Remote Senior Software Engineer II: Cloud Native APIs

Menlo Security is looking for an experienced Senior Software Engineer to join the Service Delivery team. The role offers full-time flexibility with options for remote work (UK time zone) or an office base in Bracknell, UK. In this position, you will be responsible for designing and developing novel solutions ...

Hybrid Software Engineer (C#/Vue) — Build & Ship Systems

Rebel Recruitment Limited is looking for a Mid Level Software Engineer to join their team in Manchester. In this hybrid role, you will work two days a week in the office, building and improving software used in real customer environments. Your responsibilities will include maintaining backend services ...

Hybrid Principal Software Engineer – Full Stack & Cloud Lead

Raytheon in Gloucester offers a full-time, permanent opportunity for a Principal Software Engineer. This role allows for a technical focus or a blend with people management to mentor junior team members. You will work with a cross-functional team, delivering software across various business areas. The ...

Software Engineer (Up to £130k + Equity) at Adamo

Overview Job Title: Software Engineer Salary: Up to £130k + Equity Company: Adamo - Venture-backed robotics infrastructure startup Location: London, UK Job Description Join a small, elite team building the data layer for ro ...

Senior Software Engineer, Site Reliability Engineering, Distributed Cloud

Senior Software Engineer, Site Reliability Engineering, Distributed Cloud Google London, UK Bachelor’s degree in Computer Science, a related field, or equivalent practical experience. 5 years of experience with software development in one or more programming languages. <l ...

C++ Software Engineer – Defence Systems & CI/CD (Bristol)

A leading defense contractor in Bristol is seeking a skilled C++ Developer to join their team. You will design and test complex business logic, collaborate with internal teams, and enhance software for virtual environments. Successful candidates will have extensive experience with C++, software engineering princ ...

Software Engineer Python/Django/Flask in Newbury OxSource

Software Engineer – Python/ Django/Flask Newbury, United Kingdom Posted 9 months ago An established Earth Observation and Mapping Software company based in Berkshire is looking for a Software Engineer with web-based Python skills (Python or Flask) to join the team. <h3 ...

Senior Software Engineer C#/C++, GUI & Data Analysis

KLA is seeking a skilled Software Engineer to develop software solutions for innovative products in Newport, England. The role encompasses delivering features, collaborating across teams, and supporting integration of complex systems, utilizing C#/.NET and C++ programming. The ideal candidate holds a B ...

Lead / Senior Software Engineer in FX Payments tech

Join us to shape the future of payments technology and make a real impact on your career. As part of our agile team, you’ll help build trusted solutions that power global transactions. You’ll have the opportunity to grow your skills, collaborate with talented colleagues, and contribute to a culture of incl ...

BXTI Liquid Credit, Full Stack Software Engineer, Associate

## BXTI - Liquid Credit, Full Stack Software Engineer, AssociateApplylocations: Londontime type: Full timeposted on: Posted 5 Days Agojob requisition id: 43115Blackstone is the world’s largest alternative asset manager. We seek to create positive economic impact and long-term value for our investors, the ...

AI Driven Software Engineer: End to End Impact

Bending Spoons is looking for a talented software developer to create meaningful software that impacts millions. You will integrate cutting-edge AI tools and work across diverse technology stacks, driving innovation with minimal hierarchy. This company prioritizes growth, offering an exceptional enviro ...

Software Engineer, AI‑Native Multi‑Agent Systems (Seed)

Jack & Jill seeks a Software Engineer to join at the forefront of AI technology. The role involves building and scaling multi-agent systems and features end-to-end, focusing on AI-driven workflows at the seed-stage startup REVAX based in London. The ideal candidate will possess strong skills in Python, ...

Software Engineer (Up to £130k + Equity) at Adamo

Job Title Software Engineer Salary Up to £130k + Equity Company Description Adamo is a venture-backed London startup building the critical teleoperation infrastructure and data layer for the world's leading robotics companies. By enabling real-time remote contr ...

Senior Software Engineer (C#/Azure) – AI Driven FinTech

Zeti Limited is seeking a Senior Engineer to lead key projects in developing ZetiOS, a cutting-edge operating system. You will deliver clean and efficient code and collaborate closely with cross-functional teams to ensure high-quality software. The role offers an annual salary of £80,000-100,000 along with gr ...

Graduate Software Engineer – Hedge‑Fund Quality, UK Travel

Understanding Recruitment is seeking a Graduate Software Engineer to join their growing team in Newcastle. This company, a spin-out from a major hedge fund, specializes in projects requiring top-tier software engineers. The position offers a competitive salary ranging from £55,000 to £75,000. Candidate ...

Full Stack AI Software Engineer Hybrid London + Equity

Medium is seeking a Software Engineer to enhance product development with a strong focus on building scalable solutions. This role involves collaborating with cross-functional teams to ensure that business needs are met and features are effectively implemented. Join a vibrant team passionate about resh ...

Full Stack Software Engineer II — AWS, Java, GraphQL

Tripadvisor is seeking a Software Engineer II to join their team in Greater London. This full-stack role involves working on backend systems while also having opportunities to engage in front-end projects. The position embraces a remote-first working model and facilitates periodic in-person gatherings ...

Senior Software Engineer Regulatory News (AI/C#/Java)

ABOUT US:LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide ...

Senior .NET Software Engineer – Remote First Sports Betting

Genius Sports Group in Greater London is looking for a Software Engineer SE2 to join their Betting division. In this role, you will work within a multi-disciplinary Agile team to innovate and deliver high-caliber products that redefine sports betting. The ideal candidate will have strong skills in prog ...

Staff Software Engineer – Lead AI Native Security & Scale

A leading secure software development company in London is seeking a Staff Software Engineer to lead the design and implementation of large-scale solutions. You will play a pivotal role in driving engineering efforts and mentoring junior engineers. Ideal candidates have at least 10 years of experience and are pr ...

Automotive Software Architect and Toolchain Engineer in Lakenham

Automotive Software Architecture & Toolchain Engineer Location: Hethel, NorfolkType: PermanentMode of Work: Hybrid Key Responsibilities Define, document and maintain end-to-end software architecture across embedded software platforms, operating system layer ...

Senior Software Engineer C# & WPF, Desktop/Web Apps

Platform Recruitment is seeking a Senior Software Engineer to join a growing engineering team. You will develop and maintain desktop and web applications using C# and WPF, playing a crucial role in both new developments and ongoing system improvements. This role involves close collaboration with multid ...

Senior Software Development Engineer in Test in Yeading)

Senior Software Development Engineer in Test Location: Swansea, Bristol, Nottingham, Birmingham, Yeading (Hayes), Oldham, Newcastle, Leeds Salary: £44,241 per annum Vacancy Type: Permanent, Full Time or Part Time Closing Date: Sunday 28th June 2026 Overview <p ...

Senior Software Development Engineer in Test in Swansea)

Senior Software Development Engineer in Test Location: Swansea, Bristol, Nottingham, Birmingham, Yeading (Hayes), Oldham, Newcastle, Leeds Salary: £44,241 per annum Vacancy Type: Permanent, Full Time or Part Time Closing Date: Sunday 28th June 2026 Overview <p ...

Senior Software Engineer Platform as a Service (BPaaS)

Senior Software Engineer - Platform as a Service (BPaaS) Location: London Business Area: Engineering and CTO Ref #: Description & Requirements Our team builds the platform that Bloomberg engineering teams use to deploy and run production services. BPaaS (Bloomber ...

Senior Software Engineer — Scale Robust, Secure Systems (Hybrid)

A fintech startup in London is searching for a Senior Software Engineer to implement robust systems for their rapidly growing app. The ideal candidate will have extensive experience with high-volume applications and proficiency in various programming languages, including Python and Java. This role includes hybri ...

Senior Java Software Engineer — REST, SQL & Enterprise Java

Energy Jobline CVL is seeking an experienced Senior Software Engineer to join their established team in Central Newbury. The position requires delivering high-quality software to meet business and customer needs, including developing applications and providing support. Successful candidates will have a ...

Senior Software Engineer – Virtual Platforms Qualcomm Cambridge, UK

Position Senior Software Virtual Platform Engineer – Qualcomm Technologies International Ltd. General Summary As a Senior Software Virtual Platform Engineer, you will specialize in virtual platforms, including SystemC TLM and QEMU. Your primary focus will be on developing high‑leve ...

AI & LLMs Senior Software Engineer (Python/React) – Hybrid

Oliver Bernard is seeking a Senior Software Engineer to join their AI startup in London. This role offers flexible working arrangements, ideally 2 to 3 days in the office. You will be part of a high-impact engineering team that works on AI/LLM-powered solutions, aiming to solve real-world challenges. T ...

Senior Embedded Software Engineer: Lead C/C++ & Systems

RACELOGIC in Buckingham is seeking a Senior Embedded Software Engineer to lead the development of embedded software critical to our precision performance technology. This role involves project planning, designing software architectures, and collaborating with cross-functional teams to ensure seamless integrat ...

Senior Software Engineer (C#) – Remote/Hybrid (Ireland & UK)

Fanatics Betting & Gaming is searching for a Software Engineer III to design and implement scalable, secure solutions for its digital sports platform. You will be crucial in enhancing system reliability, writing efficient code, and collaborating with cross-functional teams. Ideal candidates should have ...

Lead Software Engineer AI Driven Cloud Native, Flexible

Ocho People is seeking a Lead Software Engineer based in Belfast. This permanent role offers a fully flexible working arrangement and involves technical leadership for teams building modern, AI-powered applications. The ideal candidate will possess strong expertise in Python or C#/.NET, proven experien ...

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

Senior Full-Stack Software Engineer, (Forward Deployed), GPS London, UK Join the team shaping the future of AI at Scale. 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 consist ...

Lead Software Engineer — Java/React, AWS, UK Travel

Accenture is looking for a Lead Software Engineer to join their team in Glasgow or Edinburgh. You will work with clients across different sectors, building and maintaining digital products. This role requires experience in Java, AWS, and strong leadership skills. The position offers a competitive salar ...

Senior Software Development Engineer, CloudFront Control Plane, CloudFront

Job Overview AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we’re the people who keep the cloud running. We support all AWS data centres and all of the servers, storage, networking, power, and cooling equipment that ...

Software Support Engineer Hybrid (Hull) | 30 Days Holiday

SmartSourcing Ltd is looking for a Software Support Engineer to work in a hybrid model with partial onsite presence in Hull. You will provide technical assistance to customers, ensuring effective use of our products. The ideal candidate should have at least 2 years of experience in application or IT su ...

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    Fullstack Software Engineer Netjava Jobs in United Kingdom Job Search Guide, Trends and Insights