Tech Lead Java jobs in London

BCB Group

Tech Lead The Role - What will you be doing? Join a rapidly growing team to help BCB build and scale our products and deliver them to clients. We're seeking a candidate with strong expertise in software engineering, microservices architecture, and cloud platforms, coupled with a collaborative mindse

Citigroup

Core Engineering Java Development Lead – FX Tech (SVP) Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180 countries operating at a scale few can match. F

CI&T

Who you are The ideal candidate will have a strong background in iOS development, with a focus on creating seamless and intuitive user interfaces Proven experience as an iOS Developer with expertise in Swift and Objective-C Familiarity with iOS frameworks such as UIKit, Core Data, and SwiftUI Experi

Valarian

Valarian: Innovating for the new era of digital sovereignty Valarian Technologies is a dual-use technology company building critical tools to safeguard the future in an era of evolving global security challenges. We're rethinking security beyond traditional military domains, addressing asymmetric th

Valarian Technologies Limited

Valarian: Innovating for the new era of digital sovereignty Valarian Technologies is a dual-use technology company building critical tools to safeguard the future in an era of evolving global security challenges. We're rethinking security beyond traditional military domains, addressing asymmetric th

LSEG (London Stock Exchange Group)

The Senior Software Engineer is a hands-on individual contributor responsible for designing, building, and operating mission‑critical FX market infrastructure and matching platforms using C++ and Java. The role focuses on low‑latency, high‑throughput distributed systems with strict availability, res

Citi

Core Engineering Java Development Lead – FX Tech (SVP) Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match.

London Stock Exchange Group

The Senior Software Engineer is a hands-on individual contributor responsible for designing, building, and operating mission-critical FX market infrastructure and matching platforms using C and Java. The role focuses on low-latency, high-throughput distributed systems with strict availability, resil

Plentific

About Us At Plentific, we’re redefining property management in real time. Our mission, is to lead real estate through the transformative journey into “The World of Now,” enabling us to empower property professionals through our innovative, cloud-based platform. We harness cutting-edge technology and

Shell Energy Retail Limited

, United Kingdom Job Family Group: Information Technology (IT) Worker Type: Regular Posting Start Date: May 21, 2026 Business Unit: Projects and Technology Experience Level: Experienced Professionals Job Description: What’s the role The Principal Architect Tech Lead Freight will be the “Technology L

Shell

, United Kingdom Job Family Group: Information Technology (IT) Worker Type: Regular Posting Start Date: May 21, 2026 Business Unit: Projects and Technology Experience Level: Experienced Professionals Job Description: What’s the role The Principal Architect Tech Lead Freight will be the “Technology L

eFinancialCareers

Our Client, a global fintech company that provides quantitative data and analytics to hedge funds and institutional investors, is looking for a Technical Lead to oversee their European Technology team. In this role, you will act as a hands-on leader and strategic collaborator, driving the next phase

LSEG (London Stock Exchange Group)

LSEG and Microsoft have entered an exciting strategic partnership for the development of next-generation data, analytics and cloud infrastructure solutions. Our customers’ needs are evolving and so are financial markets. This partnership will transform the way customers discover, analyse and trade s

London Stock Exchange Group

LSEG and Microsoft have entered an exciting strategic partnership for the development of next-generation data, analytics and cloud infrastructure solutions. Our customers' needs are evolving and so are financial markets. This partnership will transform the way customers discover, analyse and trade s

Xelix

£7,083 - £10,417 /month

Who you are Proven experience leading multiple teams or managers Deep experience building and scaling React applications (ideally with TypeScript) Strong understanding of front end architecture and modern web fundamentals (performance, browser constraints, and build tooling) Experience setting direc

JPMorganChase

JOB DESCRIPTION As a Senior FIX Onboarding Specialist at JPMorganChase within the CIB - Equities LOB, you are an integral part of the team that is responsible for managing and facilitating the onboarding process for clients using the Financial Information Exchange (FIX) protocol. This role typically

CI&T

We are seeking an experienced Lead iOS Developer to join our team In this role, you will be responsible for designing, developing, and maintaining mobile applications for iOS Develop high-quality, scalable, and maintainable mobile applications using Swift and Objective-C Collaborate with cross-funct

JPMorganChase

JOB DESCRIPTION Join us and elevate your software engineering career. You’ll design market-leading technology products that drive innovation in financial services. At JPMorganChase, you’ll collaborate with talented teams, grow your skills, and make a real impact. We value your expertise and offer a

Capgemini

Job title: Salesforce Tech Lead Location: London, UK About the Job you are considering: We are seeking experienced Salesforce Tech Lead with strong expertise in banking domain who will overseeing the planning, execution, and successful delivery of projects Hybrid working: The places that you work fr

Checkout.com

Mobile Tech Lead Company Description We're Checkout.com - you might not know our name, but we're behind many of the digital experiences people use every day. When you book a holiday, order food, renew a subscription or check out online with brands like Spotify, Klarna, Uber Eats, TikTok, Sony, or eB