138,766+ Tech Lead Java Nodejs Modernization Jobs in London, UK — Local Employers Hiring June 2026

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Tech Lead: Java & Node.js Modernization

Adecco is seeking a Lead Modernization Engineer Java / Node.js based in Wembley London. The role demands significant Java development expertise, particularly in Spring Boot and Microservices architecture, as well as a solid understanding of Azure Integration. The selected candidate will define coding s ...

Lead Java Modernization Engineer

Salary: £75,000 - 80,000 per year Requirements: Solid experience in Java development with significant, demonstrable experience in Spring Boot and microservices architecture, including production ownership. Proven experience building applications that consume Azure-na ...

Lead Java Modernization Engineer London, Wembley

Job Title: Lead Modernization Engineer Java / Node.js Salary: Paying up to £80,000 per annumLocation: Wembley London - 5 days on-siteOur client, a well-established and diversified multinational organisation, is seeking a Lead Modernization Engineer Java / Node.js to join their team.< ...

Lead Java Modernization Engineer London, Wembley

Job Title: Lead Modernization Engineer Java / Node.js Salary: Paying up to 80,000 per annum Location: Wembley London - 5 days on-site Our client, a well-established and diversified multinational organisation, is seeking a Lead Modernization Engineer Java / No ...

Lead Java Modernization Engineer London, Wembley

Job Title: Lead Modernization Engineer Java/Node.js Salary: Paying up to £80,000 per annum Location: Wembley London - 5 days on-site Our client, a well-established and diversified multinational organisation, is seeking a Lead Modernization Engineer Java/Node.js ...

Cloud Native Modernization Lead (Java/Microservices)

Bestway-Group is searching for a Modernization Engineer Lead to oversee the re-design of in-house applications. This role involves close collaboration with the Principal Architect while mentoring developers. The ideal candidate will have over 10 years of Java development experience, particularly in Spring Boo ...

Tech Lead, Cloud Security & AI Modernization

The Vanguard Group in City Of London seeks an experienced leader for technical delivery of global physical security modernization initiatives. You will drive transitions to cloud-based solutions, manage competing demands, and ensure alignment to business goals. The ideal candidate possesses a minimum o ...

Lead Java Modernization Engineer — Spring Boot & Azure

Sivara GmbH is seeking a Lead Modernization Engineer specialized in Java and Node.js for a critical role based in Wembley, London. The successful candidate will be responsible for implementing coding standards, mentoring developers, and enhancing engineering practices within a cloud-native environment. <p ...

Java Tech Lead (London)

Java Technical Lead Location: London (Hybrid - 2 days on-site) Salary: Up to £110k + Benefits The Role We're looking for a Java Tech Lead to join a high-performing tech consultancy delivering complex, business-critical systems for enterprise and sca ...

Java AWS Tech Lead

Job Title: Java AWS Tech Lead Job Type: Permanent Job Location: London , UK Job Description: Need good experience with AWS 10+ years of experience to lead and manage the development team by providing technical direction and guidance for end-to-end ...

Lead Modernization Engineer: Java/Node.js (On Site London)

Adecco is seeking a Lead Modernization Engineer with extensive experience in Java and Node.js to work in Wembley London. The role involves technical mentorship, ensuring coding standards, and optimizing applications for containerization. The ideal candidate will possess a strong understanding of CI/CD ...

Lead Java Application Developer Java Web Tech

Location: Remote Onsite: London/Manchester (when required by the client) Atrium EMEA are supporting a large managed service provider, looking for an experienced Lead Java Application Developer to lead the design and development of modern, scalable Java applications in secure, enterprise env ...

NodeJs Developer

Role & Responsibility Outstanding experience in Node.js Experience with Node.js frameworks (e.g. Express, Koa, Hapi, Loopback) Experience with unit testing Experience with front end JavaScript frameworks (e.g. React, Angular) Experience with RE ...

NodeJs Developer

Role & Responsibility Outstanding experience in Node.jsExperience with Node.js frameworks (e.g. Express, Koa, Hapi, Loopback)Experience with unit testingExperience with front end JavaScript frameworks (e.g. React, Angular)Experience wi ...

Modernization Engineer Lead

We’re searching for a Modernization Engineer Lead to lead the re‑design of our in‑house applications. Working closely with the Principal Architect and providing mentorship to our developers, this role will be the main driver of continuous improvements to define and enforce standards across the team. < ...

Cloud First Security Tech Lead AI & Global Modernization

慨正橡扯 in Greater London seeks a Senior Technical Leader to provide guidance and drive adoption of cloud-based security technologies. You'll lead major modernization initiatives, mentor teams, and ensure project alignment with business objectives. Ideal candidates will have over eight years of experience ...

FX Payments Tech Lead — Java & Microservices

A global financial services firm is looking for a Lead Software Engineer in Wholesale Payments to design and deliver secure, scalable technology products. This role involves executing software solutions, leading technical initiatives, and working collaboratively with cross-functional teams. The ideal candidate w ...

Senior Java Engineer & Tech Lead — Remote

Hyland is seeking a Developer to enhance product performance through solid coding practices and software engineering principles. The ideal candidate will have 5+ years of experience with Java, Spring Boot, and cloud solutions such as AWS and Azure. This role involves mentoring team members, leading sta ...

Contract Tech Lead Fullstack (Java/React)

Role: Technical Lead - Fullstack Rate: £500 Duration: 6 months Start Date: Early April Location: London On site requirement: 2dpw in London - City of London Office Who We Are: AND Digital are a tech co ...

Contract Tech Lead Fullstack (Java/React)

Role: Technical Lead - Fullstack Rate: £500 Duration: 6 monthsStart Date: Early AprilLocation: LondonOn site requirement: 2dpw in London - City of London Office Who We Are:AND Digital are a tech company focused on ...

Contract Tech Lead Fullstack (Java/React)

Role: Technical Lead - Fullstack Rate: £500 Duration: 6 monthsStart Date: Early AprilLocation: LondonOn site requirement: 2dpw in London - City of London Office </ ...

Remote Senior Java Developer for Mainframe Modernization

International Business Solutions Consult is seeking a Senior Java Developer for a permanent remote position in the Greater London area. Candidates should have over 5 years of experience and possess mandatory skills in Java communication sockets programming, as well as familiarity with IBM and Unisys mainframe ...

Java Platform Tech Lead for Markets CRM

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 exp ...

Lead Java Software Engineer — Post Trade Tech

Job Description Join us to shape the future of financial technology and make a meaningful impact on your career. You'll collaborate with talented professionals, solve complex challenges, and help build trusted market-leading products. We value creativity, inclusion, and continuous learning, offerin ...

Insurance Tech Solution Architect Lead Java (London)

Java Script Works is seeking a Technical Solution Architect based in London, United Kingdom. The role involves leading software development projects using technologies like Java, Python, and AWS. The ideal candidate will have experience in the Insurance domain, especially within the London Market, and ...

Senior Java Tech Lead: Cloud Microservices & FinTech

A leading financial institution in London is seeking a Senior Lead Software Engineer to deliver innovative cloud-native solutions. The ideal candidate will have significant experience in Java, be proficient with microservice architecture, and thrive in an agile environment. You'll be contributing to diverse proj ...

Lead AI Trading Tech Engineer (Python/Java)

JPMorganChase is searching for a Lead Software Engineer within Credit Technology to drive the development of market-leading technology products. The role involves architecting new systems leveraging AI-assisted coding while enhancing existing platforms. Candidates should have 5+ years of experience in Python, ...

VP Tech Lead: Equities Algo Trading (Java)

Senior Lead eSoftware Engineer - Equities Algo Trading - Java - VP LONDON, LONDON, United Kingdom Job Information Job Identification Job Category Software Engineering Business Unit Corporate Sector Posting Date 04/02/2025, ...

Java Tech Lead: Architect, Mentor & Scalable Systems

Fruition Group is seeking a Java Technical Lead in London. This hybrid position involves technical ownership of projects, leading engineering teams, and delivering robust, scalable solutions. Your responsibilities will include designing Java systems across client projects and mentoring engineers. The r ...

Senior Software Architect & Tech Lead (Java/Python)

Fairygodboss is seeking a qualified individual to lead the design and development of scalable systems using Java or Python. This role involves mentoring junior engineers, making strategic decisions on architecture, and ensuring production code quality. Your success will depend on your experience in dev ...

Lead Developer: TALL Stack (Laravel/Vue) – Hybrid

Java Script Works, a high-growth SaaS company in Greater London, is seeking a Lead Developer. In this role, you will spearhead the modernization of core platforms, utilizing Laravel and Vue.js, and leading a team to adopt the TALL stack. This position offers the opportunity to make a significant impact within a ...

Senior Java Full Stack Engineer – Microservices & Cloud

Stealth iT Consulting is seeking Java Full Stack Engineers (Consultant / Senior Consultant) for permanent positions across London, Manchester, and Glasgow with flexible working options. Ideal candidates must be eligible for SC Clearance and possess 5 years of UK residency. The role involves building in ...

Software Engineer NodeJS TypeScript

Software Engineer - NodeJS - TypeScript Salary: £60,000 - £100,000 plus bonus and benefits. NodeJS, JavaScript, TypeScript, Cloud Tech, Terraform, AWS, React Harrington Starr has partnered with an innovative Digital Currency Investment Platform Company that specialises in developi ...

Software Engineer (NodeJS, Typescript)

Build cloud software that matters, grow your technical depth, and use modern AI tooling to do your best work. This is a hands‑on engineering role for someone who enjoys solving product problems, writing clean code, and helping services run reliably at scale. You’ll work on secure, s ...

Senior Java Developer/ REMOTE WORK

Project Location : 100% Remote Work Duration : Permanent Position (Please read below for skills/tech needed) We are a software modernization business based in Switzerland and The United States. For over thirty-five years we have specialized in mainframe moderni ...

London Onsite Fullstack Tech Lead | Java/React Architect

A tech company focused on digital delivery is searching for a Technical Lead - Fullstack to spearhead a complex modernization program. This hands-on role demands leadership in engineering and cloud-native architectures, with a strong emphasis on quality assurance and client-facing delivery. Candidates should pos ...

Data Architect Modernization & CDC Lead

A financial services consultancy in Greater London is seeking candidates with strong knowledge in Change Data Capture and Db2 & z/OS. Ideal applicants should have a robust understanding of data architecture fundamentals, including logical and physical data modeling. Responsibilities include modernizing legacy sy ...

Senior Product Engineer — AWS, TypeScript & Node.js

Java Script Works is seeking a Senior Product Engineer in London, United Kingdom, to work in an AWS cloud-native environment. In this full-time role, you will leverage your expertise in NodeJS, Typescript, and Prisma, contributing to the team’s future direction. With a salary range of £100K - 120K, thi ...

Senior Product Engineer — AWS, TypeScript & Node.js

Java Script Works is seeking a Senior Product Engineer in London, United Kingdom, to work in an AWS cloud-native environment. In this full-time role, you will leverage your expertise in NodeJS, Typescript, and Prisma, contributing to the team’s future direction.With a salary range of £100K - 120K, this ...

Strategic MD, Securities Finance Tech AI First Modernization

Citigroup Inc. is seeking a highly motivated Technology Managing Director to lead their Securities Finance Technology division. This senior leadership role involves formulating and driving the technology strategy, development, and modernization of their Agency Lending and Collateral Technology platforms. ...

Strategic MD, Securities Finance Tech AI First Modernization

Citigroup Inc. is seeking a highly motivated Technology Managing Director to lead their Securities Finance Technology division. This senior leadership role involves formulating and driving the technology strategy, development, and modernization of their Agency Lending and Collateral Technology platforms. ...

Strategic MD, Securities Finance Tech AI First Modernization

Citigroup Inc. is seeking a highly motivated Technology Managing Director to lead their Securities Finance Technology division. This senior leadership role involves formulating and driving the technology strategy, development, and modernization of their Agency Lending and Collateral Technology platforms.< ...

Senior Java/Kotlin Engineer — TDD Pro & Tech Lead

慨正橡扯 is seeking a Senior Java / Kotlin Engineer to join its team in the Greater London area. The ideal candidate will have extensive experience in Java or Kotlin programming languages, with a strong focus on Test Driven Development (TDD) and mentoring others. You will play a key role in driving design and imp ...

Core Engineering Java Development Lead – FX Tech (SVP)

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 ...

FX Risk Tech Lead & Senior Java Architect (VP)

Citi is looking for a Lead Java Developer – Vice President to join our FX Risk technology team. You'll work on innovative AI-powered systems for real-time FX risk management at one of the world's largest financial institutions. The role involves high-performance application delivery, architecture of cutting-e ...

FX Risk Tech Lead (Java) Hybrid, VP Level

A global financial institution is seeking a strong and motivated FX Risk Lead Java Developer to join their London team. The successful candidate will design and develop Java-based microservices for a new FX Risk valuation platform. Candidates should have a strong background in Core Java, multithreading, and expe ...

FX Risk Java Tech Lead — Real Time Pricing

A major global banking institution is seeking an FX Risk Lead Java Developer to design and develop Java-based microservices for high-throughput applications. This role requires hands-on experience with Core Java, multithreading, and cloud deployment, particularly in environments like AWS or Azure. Benefits inclu ...

Lead Data Platform Engineer Java/Python & Risk Tech

Job DescriptionJoin us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering ...

Lead Java Engineer — Post Trade Tech & Cloud Solutions

JPMorganChase is looking for a skilled professional to join their team in Greater London. The role involves executing innovative software solutions, developing secure production code, and collaborating across teams to drive technological advancements. The ideal candidate will have practical experience ...

Senior Java Dev & Tech Lead Cloud Native Microservices

A dynamic technology company in Greater London is seeking a Senior Java Developer to lead the development of scalable, Java-based applications. The role involves architecture design, mentoring junior developers, and collaborating with cross-functional teams to deliver high-quality software solutions. With at lea ...

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    Tech Lead Java Nodejs Modernization Jobs in London Job Search Guide, Trends and Insights