senior java software engineer jobs in London

We are building a green field next-generation platform for private markets. We are at an early stage of the build and looking for Senior Software Engineers to partner closely with Principal Engineers to design and deliver foundational capabilities. This is a hands-on role for someone who wants to help shape the architecture, standards, and engineering...

Sector: Software Engineering, C# and .Net, GoLang Developer, Java Developer, Python Engineer Reference: GG - 66 Senior Software Engineer | Series A Cybersecurity Start-Up | London Senior Software Engineer required to join a fast-growing Series A cybersecurity start-up in London, tackling some of the most difficult problems in modern security. The company...

What we’re all about. Do you ever have the urge to do things better than the last time? We do. And it’s this urge that drives us every day. Our environment of discovery and innovation means we’re able to create deep and valuable relationships with our clients to create real change for them and their industries. It’s what got us here – and it’s...

80,000 - 100,000 London Area Senior C++ Software Engineer — AI/Hardware/Manufacturing Location: Central London, primarily office-based with some flexibility. We’re partnering with an AI startup building software to help engineers design and develop physical products faster. Combining machine learning with complex engineering software, their...

Who are we? At Finastra, we’re a global leader in financial services software, dedicated to expanding access to financial services and shaping what’s next for the industry. Our technology powers mission‑critical solutions across Lending, Payments and Universal Banking, supporting over 7,000 customers, including 80% of the world’s top 50 banks, in...

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation,...

Are you passionate about building high-quality software solutions that solve complex customer challenges? Do you enjoy mentoring others, driving technical excellence, and collaborating across teams to deliver impactful products? About our Team Our team is a Shared Services team that provides API Platform capabilities to all of Elsevier. API teams can...

Company Description We're ASOS. We blend our flair for fashion with our love of cutting- edge technology, but more importantly were interested in how we can bring the best out of you. We exist to give people the confidence to be whoever they want to be, and that goes for our people too. At ASOS, you're free to be your true self without judgment, and channel...

Project description As a Senior Full Stack Java Engineer within the US Corporate Loans POD, you will design, develop, and deliver enterprise integration solutions connecting Loan IQ with upstream and downstream platforms. You will leverage modern cloud-native technologies, AI-assisted development tools, and Agentic AI practices to improve software...

Job ID: Posted: Location: London, England, United Kingdom Category: Technology Company: Citi Senior Low Latency Java Engineer This is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology Team. The overall objective of this role is to lead...

About Tripadvisor The Tripadvisor Group connects people to experiences worth sharing, and aims to be the world’s most trusted source for travel and experiences. We leverage our brands, technology, and capabilities to connect our global audience with partners through rich content, travel guidance, and two-sided marketplaces for experiences, accommodations,...

Job Type: PermanentBuild a brilliant future with Hiscox The London Market division of Hiscox focuses on big ticket speciality risks such as Marine and Energy, Major Property, Casualty, Crisis Management and Portfolio Solutions, and is regarded a leader in these fields. These present complex challenges with innovative technology solutions underpinning them....

Job title: Java Technical Software Engineering Lead Role type: Permanent Corporate Title: Vice President Department: Wholesale Data Technology Location: London (Hybrid) Company overview Nomura is a financial services group with an integrated global network. By connecting markets East & West, we service the needs of individuals, institutions, corporates and...

Location: Bristol, London or Edinburgh (hybrid, three days a week in the office) Level: Senior Engineer I C3 Team: Engineering Salary: 60,000 – 80,000 + discretionary bonus Contract: Permanent Reporting To: Software Engineering Manager Please note: This role requires an existing right to work in the UK. We can’t offer visa sponsorship, but we...

Careers that change lives start here. Medtronic is a global leader in healthcare technology with a Mission to alleviate pain, restore health, and extend life. Our 95,000 employees work across more than 150 countries to put patients first — developing innovative medical technologies that improve the lives of 72+ million patients each year. Your unique...

At Signal AI, we use cutting-edge AI technology to offer clarity on decisions that shape businesses and society. We value restless curiosity, creative thinking, and diverse perspectives as we strive to become AI-native. We believe that AI is a collaborator, not just a tool, and we invite passionate individuals to join us on our journey as we continue to...

Some key info for you: ð We were founded in 2007 ð We have provided over $3bn of funding to small businesses so far ð We have been named in CNBC & Statista Top 150 UK Fintechs for 2025 ð We're a global team, with a dynamic presence in 6 key locations around the world ð§ We're a thriving community of over 290 innovative minds ðð¾ ð ðð¼...

Company Description Work with Us. Change the World. At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the...

We are seeking a highly skilled Senior Java Engineer to join a collaborative Agile engineering team delivering scalable, cloud-native solutions. This role is ideally suited to an experienced engineer who is passionate about software craftsmanship, enjoys knowledge sharing, and thrives in a highly collaborative environment where pair programming is a...

Join Axon and be a Force for Good. At Axon, we’re on a mission to Protect Life. We’re explorers, pursuing society’s most critical safety and justice issues with our ecosystem of devices and cloud software. Like our products, we work better together. We connect with candor and care, seeking out diverse perspectives from our customers, communities and...