1,360,683+ Lead Software Engineer Full Stack Java React Jobs in UK — Top Companies Hiring July 2026

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Senior Backend Engineer Cloud & Microservices (Remote)

HelloKindred is seeking a Lead Engineer to drive the design and delivery of scalable backend systems and cloud-based solutions. You will work in a public sector environment, focusing on building robust applications and leading technical decisions. The ideal candidate will have strong experience in Java ...

Staff Data Engineer: Quality, Observability & Governance

A forward-thinking fashion marketplace headquartered in London is seeking a Staff Data Engineer to lead the creation of frameworks and tools for data quality and governance. You'll focus on making sure data is reliable, observable, and compliant, while collaborating with various teams. Ideal candidates have subs ...

Software Engineering

Join our Talent Community - Software Engineering A full-time hybrid role in Cambridge, UK, Belfast, UK, or United Kingdom As a product-driven company founded by engineers, we know the value of a great engineering culture. Our engineering team is built from the ground up on trust, te ...

Principal Frontend Engineer — Lead, Architect & Scale SPAs

A leading beauty and wellness marketplace is looking for a Principal Frontend Engineer to lead the frontend guild in London. The ideal candidate has strong experience with React and web optimization skills. You will be responsible for driving frontend quality and mentoring team members in a fast-paced environmen ...

Senior Frontend Engineer (Typescript)

digiLab is a formative AI company with world-leading specialists in uncertainty quantification, applied where the stakes are highest and the margin for error is smallest. Our customers are among the largest and most advanced engineering and science-led organisations in the world, and the ...

Staff Forward Deployed Engineer, Google Cloud Public Sector

Staff Forward Deployed Engineer, Google Cloud Public Sector Google London, UK Bachelor’s degree in Engineering, Computer Science, a related field, or equivalent practical experience. 8 years of experience with software development using Python or similar coding languages. ...

Senior Forward Deployed Engineer, Google Cloud Public Sector

Senior Forward Deployed Engineer, Google Cloud Public Sector London, UK Qualifications Bachelor’s degree in Engineering, Computer Science, a related field, or equivalent practical experience. 5 years of experience with software development using Python or similar ...

Senior Java & Spring Boot Engineer – Hybrid (UK SC Eligible)

SF Partners is seeking an experienced Java Developer for a leading business based near the West Midlands. The role offers hybrid and semi-remote working opportunities, paying between £55,000 - £70,000 base depending on experience, plus bonus and benefits. Eligibility for Security Clearance is essential ...

Senior Application Backend Engineer (Core Java) (Remote United Kingdom)

JOB DESCRIPTION SummaryYelp engineering culture is driven by our : we’re a cooperative team that values individual authenticity and encourages creative solutions to problems. All new engineers deploy working code their first week, and we strive to broaden individual impact with support fr ...

Senior Application Backend Engineer (Core Java) (Remote United Kingdom)

JOB DESCRIPTION SummaryYelp engineering culture is driven by our : we’re a cooperative team that values individual authenticity and encourages creative solutions to problems. All new engineers deploy working code their first week, and we strive to broaden individual impact with support fr ...

Senior Test Automation Engineer – Global Liquidity Platform

You’re ready to gain the skills and experience needed to grow within your role and advance your career — and we have the perfect software engineering opportunity for you. As a Test Automation Engineer at JPMorgan Chase within the Global Liquidity and Account Solutions team in Payments Techn ...

Senior AI Software Engineer: Architecture & Transformation

Barclays is seeking an AI Software Engineer to design, develop, and enhance software solutions, employing engineering methodologies to provide robust capabilities for customers and colleagues. This role involves collaborating with product managers and engineers across functions to align business objectives wi ...

Software Engineer II Python & Systems Design

Preferred Qualifications, Capabilities, and Skills Prior experience in Python is helpful but not required.Experience with Javascript/React helpful but not required. About Us J.P. Morgan is a global leader in financial services, providing strategic advice and delivering quality ...

Software Engineer, Python, Global Delta One

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading ...

Senior AI Software Engineer, Coding Agent

About the Hiring Team: Tencent Overseas IT is dedicated to empowering Tencent’s rapid global growth with future‑ready, global IT platforms, applications and services. We lead the overseas IT strategy, architecture, roadmap, and execution to satisfy internal and external customers while building a world‑cla ...

Software Engineer – Global Music D2C Platforms

Sony Music Entertainment is seeking a Software Engineer to join their D2C team in London. This role will involve building and supporting technology for artist and label merchandise stores worldwide. The ideal candidate will have over 4 years of experience in distributed systems, APIs, and cloud technol ...

Software Engineer Quantitative Finance Tech (London)

Harrington Starr is seeking a Software Developer to join its technology team in London. This role involves designing scalable software solutions for trading, risk, pricing, and valuation systems. The ideal candidate has strong experience in C# and .NET, with a proactive mindset and a relevant academic ...

Senior Software Engineer, Campaigns & AI Platform

monday.com is looking for an experienced Tech Lead in London to drive infrastructure features for our innovative AI work platform. You will play a key role in shaping product architecture and work closely with talented engineers in a collaborative and dynamic environment. The role involves extensive ow ...

Senior Software Engineer, Product Engineering, UK

Location UK Employment Type Full time Location Type Remote Department Engineering EMEA Engineering Compensation UK - London £112K – £137K • Offers Equity UK £103K – £126K • Offers Equity Please ...

Senior Software Engineer I Regional Expansion

Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier ...

Senior Software Engineer Test Equipment & Automation

Eclectic Recruitment Ltd is seeking a Senior Software Engineer for developing advanced test equipment software that verifies missile systems. The role requires strong C and C++ skills, with a focus on Agile delivery and collaboration with engineering teams. The ideal candidate will have experience in s ...

Senior Software Engineer Regional Payments Platform

Company Description hackajob is collaborating with Wise to connect them with exceptional professionals for this role. Wise is a global technology company building the best way to move and manage the world’s money. Our mission is to make payment integration effortless for partners by absorbing com ...

Senior Software Engineer (£100k) at Multiverse

Job Title Senior Software Engineer Salary: Up to £100k Company Description Multiverse.io is a $1.7bn Series D EdTech unicorn backed by Lightspeed and General Catalyst, building an AI‑driven platform to solve the global skills gap for over 1,500 enterprise partners. ...

Graduate Software Engineer Cybersecurity Elite Team

Oho Group, a rapidly scaling cybersecurity startup in London, is seeking a Graduate Software Engineer to join their world-class engineering team. This position offers a rare opportunity for ambitious graduates to tackle real cybersecurity challenges directly alongside experienced founders and elite engineers. ...

Graduate Software Engineer — Liverpool (On Site)

GRAYCE is seeking a Graduate Software Engineer located in Liverpool to support customer-focused digital products and platforms. You will work within a collaborative team, improving existing systems while exploring opportunities for automation and evolution. Ideal candidates will have a 2:1 undergraduat ...

Data Software Engineer for Quantitative Trading

Green Lane Talent Management is seeking a Software Engineer, Data to join a leading hedge fund in London. In this role, you will develop systems that enhance data quality and accessibility, significantly impacting trading decisions. The ideal candidate has over 2 years of experience, is proficient in P ...

Software Engineer Emerging Platform Infrastructure & Automation

Summary The SWE Developer Productivity organization builds technologies and tools to help software engineers at Apple to do their best work. The SDP Testing Foundations team is creating libraries and services to ensure Apple devices, operating systems, and apps are amazing to use. Our libraries a ...

Software Engineer C# .Net Sports Trading

Software Engineer / Developer (C# .Net) London onsite to £90k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a hands‑on, backend focussed Software Engineer role at a global sports trading firm, earning substantial bonuses. W ...

Junior Embedded Software Engineer – R&D

Cubic Corporation in Camberley is seeking a motivated Junior Developer to join their dynamic R&D team. The successful candidate will work on the Vocality RoIP, contributing to networking, LTE, and Push-To-Talk radio communications. This opportunity is perfect for those eager to expand their skills in s ...

Hybrid Software Engineer Sensing & Data Systems

Sivara GmbH is offering a permanent Software Engineer opportunity based in Southampton with hybrid working. You will join a highly skilled engineering team developing next-generation software solutions for complex communications, sensing, and data-driven systems. The ideal candidate will collaborate ac ...

AI Vision Software Engineer – Defence Applications

A leading AI start-up in the UK is seeking software engineers, including recent graduates, to work on innovative AI-based vision and sensing systems. Candidates should possess a 1st or 2.1 degree in Computer Science or similar, with experience in Python and machine learning libraries. The role is fully onsite, l ...

Staff software engineer, AI product London

About Watershed Watershed is the enterprise sustainability platform. Companies like Airbnb, Carlyle Group, FedEx, Visa, and Dr. Martens use Watershed to manage climate and ESG data, produce audit-ready metrics for voluntary and regulatory reporting including CSRD, and drive real decarbonization. ...

Python Software Engineer Inside IR35 Contract

Python Software Engineer - Trading Firm - Up to £700 per day (Inside IR35) - 3 days a week in office / 2 working from home. You would be joining one of the leading names in their trading sector, working on the systems that the business genuinely depends on. This is not a back-office support ...

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