Lead Software Engineer - Full Stack Java, Kotlin

Testing Site - JPMC; Lower Blandford St Mary; On-site; GBP 90,000 - 130,000; Full time

Job summary

J.P. Morgan is seeking a Lead Software Engineer for the Transact platform to design, build, and support both client-side and server-side functionality.

The role emphasizes strong backend work in Java/Kotlin and JVM-based tech with a focus on scalable, secure production code and modern frontend capabilities using TypeScript and React. The candidate will work with globally distributed teams, apply agile methodologies, and contribute to architecture and design across the stack, from execution to

Qualifications

• Production-level software experience.
• Design and build scalable server-side applications using Java, Kotlin, or other JVM-based languages.
• Web services with the Spring framework.
• Proficiency with TypeScript and React for high-performance web apps.
• Distributed systems, APIs, and integration with enterprise platforms.
• Test-driven development, modern source control, and CI practices.
• Familiarity with modern frameworks, libraries, tools, and languages across the stack.
• Experience with globally distributed engineering teams.
• Strong SDLC and agile methodologies.
• Strong foundations in computer science.

Responsibilities

• Designs, develops, and troubleshoots both server-side and client-side solutions.
• Produces secure, high-quality production code for backend services and UI components.
• Produces architecture and design artifacts for distributed applications.
• Proactively identifies patterns in system and user data to improve coding hygiene and usability.
• Contributes to software engineering communities of practice and events exploring new tech.

Skills

Production-grade software

JVM languages (Java/Kotlin)

Spring Framework

TypeScript

React

Distributed systems & APIs

Test-driven development (TDD) & CI

Agile methodologies

CS fundamentals

Globally distributed teams

Tools

Spring Framework

TypeScript

React

Job description

Lead Software Engineer - Full Stack Java, Kotlin

BOURNEMOUTH, DORSET, United Kingdom

Job Information

• Job Identification 210726816
• Job Category Software Engineering
• Business Unit Commercial & Investment Bank
• Posting Date 03/27/2026, 10:42 AM
• Job Schedule Full time
• Job Shift Day

About Us

J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world’s most prominent corporations, governments, wealthy individuals and institutional investors. Our first-class business in a first-class way approach to serving clients drives everything we do. We strive to build trusted, long-term partnerships to help our clients achieve their business objectives.
We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.

Job Description

This is a senior full-stack developer role. The ideal candidate will have strong experience in both backend and frontend technologies, with a particular emphasis on server-side development. However, we also welcome applications from frontend specialists who have meaningful exposure to backend systems.

As a Lead Software Engineer at JPMorgan Chase within the Transact platform team, you will be responsible for building and supporting both client-side and server-side functionality for JPMorganChase’s Transact platform. The platform delivers both freely convertible and restricted market FX across global branches, streamlining workflows and improving liquidity management. With its intuitive interface and sophisticated capabilities, Transact empowers clients to efficiently manage their foreign exchange risk. From execution to confirmations, settlements, and payments, clients can address their FX exposure in a way that allows them to focus on their core business activities, rather than treating FX as an operational overhead.

Job responsibilities

• Designs, develops, and troubleshoots both server-side and client-side solutions, applying innovative approaches to solve complex technical challenges.
• Creates secure, high-quality production code for both backend services and UI components, ensuring seamless integration and performance.
• Produces architecture and design artifacts for distributed applications, ensuring both backend and frontend design constraints are met.
• Proactively identifies hidden problems and patterns in system and user data, using these insights to enhance coding hygiene, architecture, and usability.

Contributes to software engineering communities of practice and events that explore new and emerging technologies across the stack.

Required qualifications, capabilities, and skills

• Professional experience building production-level software.
• Experience designing and building scalable server-side applications using Java, Kotlin, or other JVM-based languages.
• Experience building web services with the Spring framework.
• Proficiency with TypeScript and React, and experience building high-performance web applications.
• Strong understanding of distributed systems, APIs, and integration with enterprise platforms.
• Experience with test-driven development, modern source control, and continuous integration practices.
• Familiarity with modern frameworks, libraries, tools, and languages across the technology stack.
• Experience working with globally distributed engineering teams.
• Solid understanding of the full software development lifecycle and agile methodologies.
• Strong foundations in computer science.

About the Team

J.P. Morgan’s Commercial & Investment Bank is a global leader across banking, markets, securities services and payments. Corporations, governments and institutions throughout the world entrust us with their business in more than 100 countries. The Commercial & Investment Bank provides strategic advice, raises capital, manages risk and extends liquidity in markets around the world.