Senior Lead Software Engineer - React​/C++​/Rust

Position: Senior Lead Software Engineer - React / C++ / Rust
:

Category:
Software Engineering

Job Schedule:

Full time

Posted Date: T19:14:17+00:00

Job Shift:

Base Pay/Salary:
Jersey City,NJ $-$

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 Markets Org, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. You will assist in the development of Sigma - the firm's internal data visualization platform - its data adapter ecosystem, and an open-source streaming analytics engine built on Web Assembly and Apache Arrow.

As a core technical contributor, you are responsible for conducting critical technology solutions across multiple technical areas within various business functions in support of the firm's business objectives.

Job responsibilities

* Drives roadmap decisions on the C++/Rust → Web Assembly engine, Apache Arrow integration, custom element viewer plugins (datagrid, D3FC charting), and client/server WASM initialization pipeline

* Executes creative software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems

* Helps Architect and evolve the Sigma platform (Next.js 15 / React 18 / Type Script), including its Zustand-based state management, Salt Design System component library, Dockview layout engine, and Emotion CSS-in-JS theming layer

* Develops and extends the Sigma Data Adapters library - a suite of Type Script adapters (HTTP, Hydra, AMPS, KDB, Web Socket, SCX, Udex, and others) that stream data from internal JPMC APIs into Perspective Tables

* Develops secure high-quality production code, and reviews and debugs code written by others

* Drives Web Assembly performance tuning and ensures efficient data serialization via Apache Arrow across browser and server contexts

* Identifies opportunities to eliminate or automate remediation of recurring issues to improve overall operational stability of software applications and systems

* Leads evaluation sessions with external vendors, startups, and internal teams to drive outcomes-oriented probing of architectural designs, technical credentials, and applicability for use within existing systems and information architecture

* Leads communities of practice across Software Engineering to drive awareness and use of new and leading-edge technologies

* Adds to team culture of diversity, opportunity, inclusion, and respect

Required qualifications, capabilities, and skills

* At least 10 years of relevant experience in software engineering

* Hands-on practical experience delivering system design, application development, testing, and operational stability

* Advanced proficiency in Type Script and JavaScript with deep experience in the React ecosystem (hooks, memoization, refs, custom elements interop)

* Strong experience with modern front-end frameworks such as Next.js (App Router), webpack, and esbuild

* Proficiency in automation and continuous delivery methods (Jenkins, Sonar Qube, code-coverage gating)

* Proficient in all aspects of the Software Development Life Cycle

* Advanced understanding of agile methodologies such as CI/CD, Application Resiliency, and Security

* Experience with component-driven development and testing workflows (Storybook, Jest, Cypress component testing)

* Demonstrated proficiency in state management patterns (Zustand, or equivalent), including persisted and devtools-instrumented stores

* In-depth knowledge of the financial services industry and their IT systems

* Practical cloud native experience (Gaia Cloud or comparable PaaS)

Preferred qualifications, capabilities, and skills

* Direct experience with FINOS Perspective - its viewer API, plugin system, table/view lifecycle, and data-binding model

* Working knowledge of Web Assembly (compiling C++ or Rust to WASM, debugging WASM modules, optimizing load and execution performance)

* Familiarity with Apache Arrow as an in-memory columnar data format and its role in high-performance browser-based analytics

* Experience building or extending Web Components / Custom Elements and Shadow DOM styling

Familiarity with the D3.js ecosystem (particularly D3FC) for custom financial chart rendering