251,644+ Fullstack Software Engineer Netjava Jobs in UK — Top Companies Hiring July 2026

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AI Driven Software Engineer: End to End Impact

Bending Spoons in the UK is looking for a talented software developer to build impactful products and integrate AI into workflows. You will work in a collaborative atmosphere, tackling complex challenges across diverse stacks while simplifying systems. This role offers competitive pay, exceptional grow ...

Senior Software Engineer – Lead AI Driven Web Solutions

An advanced technology firm in Leeds is seeking a Senior Software Engineer to design and develop software systems for clients. This role emphasizes leading projects, mentoring junior developers, and driving continuous improvement within the organization. The ideal candidate has extensive experience in full stack ...

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 ...

Senior Software Engineer — Lead & Scale Ruby on Rails

We’re really lucky to have an Engineering team spread across three jurisdictions working on the Hnry product. While that gives us the opportunity to hire great people globally, we’re always keen to hear from those interested in joining our founding team in London.We’re really proud of the team we’ve built ...

Senior Software Engineer — Hybrid, Build Secure APIs & Apps

Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security ...

Senior Software Engineer II — Core Send Infra (RSUs)

Wise is seeking a Senior Software Engineer to join our Send Core team, responsible for building infrastructure for all sending transactions. The ideal candidate will collaborate across teams to enhance user experience and drive technical excellence in core components. Strong experience in high-reliabil ...

Senior Software Engineer Lasernet Platform in Nottingham Formpipe

Working Environment Many employees face constant and often lengthy commutes. For those who prefer, our offices provide fantastic social and collaborative spaces. Here, you can be around others, spark your creativity, and work in warm and welcoming environments. Our spaces include amenities like f ...

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 ...

Defence App Software Engineer (C++/C#) SC Clearance

Sivara GmbH is seeking an Application Software Engineer for a 12-month contract in Bristol. This role focuses on developing and testing a Command and Control application system, aiming for significant impact on future projects. The ideal candidate must have experience in Embedded C/C++, C#, and CI/CD, ...

Senior Software Engineer Real Time Systems + Equity (London)

Mixture of Experts is looking for a Senior Software Engineer in London to join a VC-backed deep-tech startup focused on autonomous systems. The role offers a competitive salary up to £140k plus equity, and involves shaping core systems as the company scales. Your responsibilities will include enhancing ...

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 ...

Staff Software Engineer | TypeScript & AWS Serverless, Hybrid London

Gravitas Recruitment Group (Global) Ltd is looking for a Staff Software Engineer based in London, offering a salary of up to £160,000 per annum. This role operates in a hybrid model, requiring 3 days a week in the London office. The ideal candidate should have strong experience in Typescript and AWS, a ...

C++ Software Engineer — Creative Audio for Live Events

Audio is seeking a Software Development Engineer to join the Creative Software team in Highgate. The ideal candidate will focus on developing professional software control applications for live music events, using tools like C++ and JUCE. The position offers a hybrid work policy, comprehensive health b ...

Senior Software Engineer 5G, Cloud & CI/CD, Hybrid

A global telecom software specialist in Belfast is looking for experienced Software Engineers to enhance their skilled team. Successful candidates will engage in software development, focusing on 5G technologies and C/C++ systems. The role offers a collaborative environment with flexible hybrid work options and ...

C++ Software Engineer — 25 Days Holiday + Learning Platform

SwiftCruit is seeking an experienced Software Developer to join their talented team in Fareham, England. This role offers exciting opportunities to work on multiple projects, developing high-quality C++ code and collaborating with cross-functional teams. The ideal candidate will have proven experience ...

Staff Software Engineer — Lead Cross‑Team Tech & Impact

A leading online food company in Greater London is seeking a Staff Software Engineer to contribute to group-level goals and metrics. The role involves leading cross-team projects, influencing strategic direction, and mentoring future leaders. Ideal candidates will demonstrate expertise in software development an ...

Sr. Software Engineer Data Query Platform (GBR, Hybrid)

As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large sca ...

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 ...

Hybrid Backend Software Engineer – Java & Spring Boot (London)

Rightmove, the UK's largest property portal, is seeking an experienced Software Engineer to work in a hybrid role based in London. You will join cross-functional teams focused on developing scalable backend services using modern technology stacks like Java 17+, Spring Boot, and Kafka. In this role, you ...

Software Engineer (£80k £160k + Equity) at Electric Twin

Software Engineer (Mid / Senior / Staff / Principal) Salary: £80k-£160k + Equity Company Description Electric Twin is a $14M seed-stage London startup backed by Atomico and Marc Andreessen, building a behavioral simulation platform. Founded by the UK Prime Minister's former Chie ...

Software Engineer: Kotlin & Rust/Go for Secure Apps

CND is seeking a Software Engineer to design, build, and deliver secure digital solutions in Cheltenham. You'll collaborate with engineers and architects on critical operations, specializing in Kotlin for front-end development and backend solutions using Rust, Python, or Go. The ideal candidate has str ...

Staff Software Security Engineer: Secure AI Apps & Cloud

Data Idols is seeking a Staff Software Security Engineer to enhance the security posture of our innovative technology products. This role involves working closely with engineering teams in a hybrid environment (3 days in the office) to secure applications and cloud infrastructure. You will lead initiat ...

Staff Software Engineer — FinTech API & AI Driven Scale

Tink is seeking a Senior Software Development Engineer to lead the development of software features for our e-Wallets team. You'll collaborate closely with a variety of teams to build secure and scalable technical solutions. The role requires expertise in Java and API development, along with excellent ...

Senior Software Engineer Java/Angular for Public Sector

Amber Resourcing Ltd in Cardiff is looking for Software Engineers to join a sustainable digital programme supporting UK public sector initiatives. The candidates can work in a close-knit team where they will contribute to modern tech stack projects using Java 21 and Angular 16+. Key responsibilities in ...

Senior Software Engineer, Site Reliability Engineering, Cloud IRT

Minimum qualifications 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. 3 years of experience in designing, analyzing, and troubleshooting lar ...

Senior Software Engineer (ML QA) New London, UK

Help prove the ML software stack that future AI systems will depend on. Graphcore is expanding the software systems behind AI compute at datacenter scale. This role focuses on validating a complex machine learning stack before it reaches customers and hardware. You will build the test infrastructure, autom ...

Senior Software Engineer Product & Engineering London / UK remote

At GoodFit, we help our customers unlock their next stages of growth with highly actionable & relevant data. Without a need to speed thousands of hours on manual research, B2B companies use GoodFit's data engine to identify their next opportunities, understand their customers & generate demand. Our pla ...

Senior Software Engineer Remote First AI Travel Tech

A digital travel technology company in the UK is seeking a Senior Software Engineer to design scalable systems and enhance user experiences. The role offers remote-first flexibility and collaboration within a small team. The ideal candidate has strong experience with TypeScript, Node.js, and React, and will expl ...

Senior Software Engineer – Remote AI Driven Crime Tech

A leading software company in the UK seeks a Senior Software Engineer to develop innovative solutions to combat financial crime. This remote-first role involves designing and shipping features for an AI-powered platform used by major financial institutions. Ideal candidates should have experience in distributed ...

Senior Software Engineer Build the Future of Computing

An innovative leader in computing technology is seeking passionate individuals to join their dynamic team in Cambridge. At Arm, you will contribute to groundbreaking projects that redefine the future of technology, working alongside brilliant minds in a culture that values collaboration and creativity. With a co ...

Senior Software Engineer II GraphQL/Java Spring Flexible

LexisNexis Risk Solutions is seeking a Senior Software Engineer II (Java / Spring) to build scalable, high-performance data-driven applications. You'll work on the Search and AI Platform, delivering innovative solutions that accelerate scientific discovery. The ideal candidate has expertise in Java, Sp ...

Senior Software Engineer C# .Net relocate to Newcastle!

Senior Software Engineer C# .Net - relocate to Newcastle! This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Se ...

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

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack. Job Title Software Engineer Salary Up to £130k + Equity Comp ...

Senior Software Engineer AI Driven Security Platform (Remote)

A cybersecurity firm is seeking a Senior Software Engineer located in London. This role focuses on leading technical projects and collaborating with cross-functional teams to develop innovative solutions in offensive security. The ideal candidate has over 5 years of experience in full-stack software engineering, ...

Senior Software Engineer – On Site, Travel Ready, Impactful

Ready to work somewhere that cares more about how you build software than how fast you can ship it? At Opencast, we don’t measure developers by the number of tickets you complete. We care about engineering craft, clean design and thoughtful problem-solving. Opencast consultants deli ...

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 I Personal & Business Pricing Team

Job Description We are looking for a passionate Software Engineer to join the Personal & Business Pricing Team . This role offers an opportunity to have a direct and measurable impact on a domain that is central to Wise's growth. Personal & Business Pricing sits at the intersection ...

Senior Software Engineer, Core Experiences Build Scalable SDKs

Speechify is seeking a Senior Software Engineer to join the Core Experiences Team. In this role, you will build and maintain the foundational services and SDKs that enhance Speechify’s product experience across various platforms. The ideal candidate will have experience with Kotlin Multiplatform, be sk ...

Senior Software Development Engineer in Test in Gorseinon

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 J ...

Lead Software Test Engineer Data Driven QA & Automation

Copello is seeking a Senior Software Test Engineer in Cowes, UK. You'll be pivotal in delivering high-quality software within the Systems Maritime Services, leading automated and manual testing efforts. With a focus on analyzing large data sets and managing full software Verification and Validation act ...

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