java architect jobs in London

London, United Kingdom | Posted on 08/07/2026 Our client is looking for Network Production Engineer to join their team. Duration - 12 months Location - 1-2 days Summary: The Backbone Provisioning and Testing team, a key unit within Meta’s Network Infra Organization, is seeking an experienced Network Production Engineer skilled in tooling, networking,...

Legal & General (L&G) is a leading UK financial services group and major global investor. We’ve been safeguarding people’s financial futures since 1836, and strive to build a better society, while improving the lives of our customers and creating value for shareholders. We are one of the world’s largest asset managers and provide powerful asset...

## Senior Data Platform Engineer (Data Lake and Catalog)Apply: UK - London: Full time: Posted 2 Days Ago: End Date: October 19, 2026 (28 days left to apply): R-107322At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we...

## Sr. Full Stack DeveloperApply: London - 12 Arthur Street: Full time: Posted Today: JR1079448At Broadridge, we've built a culture where the highest goal is to empower others to accomplish more. If you’re passionate about developing your career, while helping others along the way, come join the Broadridge team.We are excited to announce an...

About ARQ ARQ is one of the fastest-growing fintechs in the world. Our mission is to redefine how people interact with money across borders, building the infrastructure to move value seamlessly. We're still early in our journey, which means every person who joins shapes the future of our product, culture, and growth. If you're excited by big challenges,...

You build the systems that actually make AI work in enterprise environments, not demos, not prototypes that stall after a pilot, but production agentic architectures running inside real client organizations. The difference between an AI Engineer and what we are looking for is straightforward: you have shipped a multi-agent system in production, you have...

OverviewSenior Data Engineer - AWSLocation: London (Hybrid) | Practice Area: Technology & Engineering | Type: PermanentEngineer future-ready data platforms that power financial transformation.The RoleWe’re looking for a Senior Data Engineer with AWS to join our growing team of engineering experts driving next-gen transformation for Tier 1 financial...

About the RoleWe are looking for a QA Engineer Lead to define and drive Bestway’s quality standards and test automation strategy. You will build a modern, automation-first QA practice, using AI tools to make testing faster, broader and more reliable, so that every release is verifiably stable before production.About BestwayBestway Group is a diversified...

Lead/Principle Software EngineerClearance Required:Active SC Clearance (Mandatory) The Opportunity We're looking for an experiencedSoftware Engineerto join a high-performing team delivering secure, mission-critical solutions for Defence, National Security, and Government customers. This role offers the opportunity to design and develop modern backend...

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bankyouare an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and...

/ Programming / Account Executive, CommercialProgramming Escrow Protected Complexity: Expert 0% Freelancer FeeAccount Executive, CommercialBudget / Rate $94 (/ hr) Funds locked in Milestone EscrowExpert DeveloperProject Scope & Level Expert Developer Duration: 1-3 MonthsSecurity Guarantee 100% Payout Protection Zero deductions from your bidRequired Skills &...

You build the systems that actually make AI work in enterprise environments, not demos, not prototypes that stall after a pilot, but production agentic architectures running inside real client organizations. The difference between an AI Engineer and what we are looking for is straightforward: you have shipped a multi-agent system in production, you have...

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview The Production Engineer is a pivotal role within Citi's...

Join us to shape the future of our Markets CRM platform and drive impactful technology solutions. As a hands-on leader, you will collaborate with talented engineers and influence the direction of our Markets business. We offer an environment that values innovation, growth, and continuous learning. Your expertise will help us deliver secure, scalable, and...

Principal Technology Innovation Engineer – National Security & DefenceThe OpportunityWhat happens when you give an experienced engineer the freedom to explore new technology, solve difficult problems and turn ideas into working solutions? This is a role for someone who enjoys operating at the intersection ofsoftware engineering, emerging technology,...

Staff Software Engineer – Platform & Distributed Systems We are looking for a Staff Software Engineer to help lead the evolution of a highly scalable distributed data platform powering large-scale enterprise systems. This role is ideal for someone who enjoys solving complex backend and infrastructure challenges, influencing technical strategy, and...

Staff Software Engineer - Global KYC and Onboarding Full-time Compensation: GBP 130,000 - GBP 164,000 - yearly Wise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving...

Join us to shape the future of data and analytics at JPMorgan Chase. You’ll design and deliver technology solutions that directly impact our Asset & Wealth Management business. Collaborate with talented colleagues in an inclusive, agile environment where your expertise and ideas are valued. We empower you to grow your career, work with cutting-edge...

⚖️ About Us DISCO is shaping the future of litigation with a unique combination of cutting-edge technology and expert professional services, designed to handle the most complex legal matters. Our award winning, cloud native platform empowers legal teams to instantly process, collect, and search through millions of documents for relevant case data. The...

PKI SME12 months£700-£750 inside IR35DV ClearedThis is an opportunity to play your part in protecting our company, our customers, and our communities from a cyber‑attack. Be part of a growing dedicated Defence security team and get ready to make a difference by bringing your PKI architect skills and experience onboard. You'll integrate straight into a...