Top javascript developer Work, Jobs (with Salaries)

Lead Software Engineer
JPMorganChase —London
- Full-time
- Java
- Analysis skills
- C++
VodafoneThree - Solution Architect - Web & CMS Platforms
Vodafone —London
- Full-time
- Hybrid work
- JavaScript
- APIs
- IT
- Employee discount
Senior Salesforce Developer
NTT Data UK —London
- Salesforce
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- APIs
Experienced .NET Engineer
Influential Software —Maidstone
- Full-time
- Microsoft Access
- Azure
- AWS
- Annual leave
- Employee discount
Quick apply
Team Lead Business Solutions
Silverfin —London
- £76,500 - £103,500 a year
- Hybrid work
- Management
- JavaScript
- Travel
Salesforce Engineer
Sage —Winnersh
- Hybrid work
- Management
- Salesforce
- Java
- Annual leave
2d
SharePoint Administrator
Assystem —Culham
- Azure
- Computer Science
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Senior Salesforce Software Engineer
Sage —Winnersh
- Hybrid work
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- Annual leave
2d
Senior Application Engineer
Sportradar —London
- Full-time
- Computer Science
- DevOps
- English
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Senior Salesforce Engineer
Quantcast —London
- Full-time
- Hybrid work
- Oracle
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3d
Community Software Engineer | Remote | Europe
n8n —United Kingdom
- £190,000 a year
- Full-time
- Remote
- English
- JavaScript
- APIs
- Life insurance
Sr Product Security Engineer | Remote | Europe
n8n —United Kingdom
- £190,000 a year
- Full-time
- Remote
- English
- JavaScript
- Life insurance
Engineering Manager, Core Platform | Remote | Europe
n8n —United Kingdom
- £190,000 a year
- Full-time
- Remote
- English
- JavaScript
- APIs
- Life insurance

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Lead Software Engineer

JPMorganChase -
London

Apply Now

Job details

Full-time

Qualifications

React
Java
Analysis skills
C++
JavaScript
Redux
Software development
APIs
Root cause analysis
AI
TypeScript
Communication skills
Python
SDLC

Full job description

JOB DESCRIPTION

As a Lead Software Engineer at JPMorgan Chase within the Athena Engineering team, you will design, build, and enhance backend services and capabilities within the Athena ecosystem to support an externally facing cross-asset risk platform (FX, Rates, Credit, Equities).

This solution is a feature rich platform, offering traders and investment managers top-tier tools to optimize their portfolios and reduce risk exposure in a high-performance, externally facing client environment.

Job Responsibilities:

Athena Engineer (Back End): design, build, and enhance backend services and capabilities within the Athena ecosystem to support an externally facing cross-asset risk platform (FX, Rates, Credit, Equities).
Build out new functions in risk management applications using Python for the backend and React, Redux, and TypeScript for the frontend.
Collaborate with engineers and product management across the globe to deliver high-quality solutions for external clients.
Build out the service layer monitoring and control functionality, maximizing the platform resiliency and robustness in a high-availability, high-throughput environment.
Drives team adoption of enterprise-authorized AI-assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review/refactoring, test strategy acceleration, incident/root-cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing) and promoting reuse of effective patterns across the team.
Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve the value realized by automation.

Required qualifications, capabilities and skills

Seasoned developer experienced in high level languages such as: Python, C++, Java, or JavaScript.
Proactive and independent — able to take ownership of deliverables and solve real world business problems in a client-facing production environment.
Strong analytical and problem-solving skills.
Demonstrated experience leading effective use of approved AI-assisted software development tools (e.g., for coding, code review, test acceleration, troubleshooting) with the ability to set team expectations for validating AI outputs for correctness, performance, and security.
Strong understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations; experience coaching engineers on safe, compliant adoption within delivery practices
Excellent verbal and written communication skills.

Preferred qualifications, capabilities and skills

Experience in Python (backend).
Experience in React and TypeScript.
Experience in finance / investment banking as an application developer, ideally with exposure to FX, Rates, Credit, and/or Equities.
Experience building and supporting high-performance backend systems (e.g., low-latency services, high-throughput APIs, observability/monitoring, resiliency patterns).

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.

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.

Apply Now

Refine Your Search

top javascript developer jobs

Lead Software Engineer

VodafoneThree - Solution Architect - Web & CMS Platforms

Senior Salesforce Developer

Experienced .NET Engineer

Team Lead Business Solutions

Salesforce Engineer

SharePoint Administrator

Senior Salesforce Software Engineer

Senior Application Engineer

Senior Salesforce Engineer

Community Software Engineer | Remote | Europe

Sr Product Security Engineer | Remote | Europe

Engineering Manager, Core Platform | Remote | Europe

Other jobs to consider

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