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Wasm Jobs (NOW HIRING)

J.P. Morgan

Lead Software Engineer

Jersey City, NJ

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

TMS

Data Architect - Active Metadata

Menlo Park, CA · Remote

$90 - $95/hr

Trino (GraalVM), StarRocks, DuckDB (WASM). - Orchestration: Dagster, Airflow (Provider-level). - Semantic Layer: Stardog, Apache Jena, GraphQL Federation. - System Languages: Rust, Clojure, or Java.

Apple

JavaScriptCore Manager

Cupertino, CA · On-site

This organization designs and implements changes to deliver improved security, better performance, and new JS and WASM language features. Weʼre looking for leaders with outstanding problem solving ...

TikTok

Multimedia Arch Senior Frontend Engineer

San Jose, CA · On-site

$143K - $197K/yr

... WASM) to deliver an extreme playback experience. - Architect and develop sophisticated internal platforms and efficiency tools, integrating LLMs, RAG, and Function Calling to create intelligent ...

VTG

Software Engineer

Mclean, VA · On-site

Demonstrated experience or familiarity with WebAssembly (Wasm) for client-side Rust code. * Demonstrated Experience with database systems and ORM tools (e.g., Diesel). * Demonstrated experience ...

Horizontal Talent

Senior 3D Software Engineer

Maplewood, MN · On-site +1

$125K - $165K/yr

Proficiency in C++ and Web Assembly (Wasm). * Experience in developing 3D geometry processing software. Preferred Skills * Strong foundation in 3D math and geometry. * Experience with 3D triangle ...

i-Link Solutions

Data Architect - Active Metadata

$65.25 - $84/hr

Trino (GraalVM), StarRocks, DuckDB (WASM). • Orchestration: Dagster, Airflow (Provider-level). • Semantic Layer: Stardog, Apache Jena, GraphQL Federation. • System Languages: Rust, Clojure, or ...

Vizcom

Senior Product Engineer

San Francisco, CA · On-site

... WASM, GPU pipelines, or 3D scene systems Company : Building tools that shorten the distance between having ideas and bringing them to life. Founded in 2021, the company is headquartered in San ...

Granicus

Define agent orchestration patterns - task decomposition, dispatch, sandboxing, and reassembly across the agent array, including secure state and credential handling via WASM-isolated runtimes and ...

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Wasm information

What are Wasm developers?

Wasm developers are professionals who specialize in working with WebAssembly (Wasm), a binary instruction format designed to run code efficiently on the web and other environments. They write, compile, and optimize code—often in languages like C, C++, or Rust—that can be executed in a web browser or other Wasm-compatible platforms. Wasm developers enable high-performance applications such as games, video editing, and data processing to run seamlessly in web environments. Their expertise bridges the gap between traditional software development and modern web technologies.

What are some common challenges developers face when working with WebAssembly (Wasm) and how can they overcome them?

Developers working with WebAssembly often encounter challenges such as debugging limited browser support, optimizing performance, and managing interoperability between Wasm modules and JavaScript. Overcoming these hurdles typically involves utilizing browser developer tools tailored for Wasm, staying updated on evolving browser support, and leveraging established libraries or frameworks that streamline JS-Wasm communication. Collaborating with cross-functional teams, such as front-end developers and DevOps, also helps ensure smooth integration and deployment of Wasm modules in production environments.

What are the key skills and qualifications needed to thrive as a WebAssembly (Wasm) Developer, and why are they important?

To thrive as a WebAssembly (Wasm) Developer, you need strong programming skills in languages like C, C++, or Rust, along with experience in web development technologies such as JavaScript and HTML5. Familiarity with Wasm toolchains, browser developer tools, and frameworks like Emscripten or AssemblyScript is typically required. Excellent problem-solving abilities, attention to detail, and effective communication are valuable soft skills in this role. These skills are crucial for building performant, secure web applications that leverage Wasm's capabilities to enhance user experience and cross-platform compatibility.
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Infographic showing various Wasm job openings in the United States as of July 2026, with employment types broken down into 100% Contract. Highlights an 100% In-person job distribution.
Senior Lead Software Engineer - React / C++ / Rust

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

JPMorgan Chase & Co

Jersey City, NJ • On-site

Full-time

Medical, Retirement

Posted 5 days ago

JPMorgan Chase & Co. rating

8.0

Company rating: 8.0 out of 10

Based on 492 frontline employees who took The Breakroom Quiz

60th of 150 rated banks

Job description

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 JPMorganChase 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 WebAssembly 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 WebAssembly 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 / TypeScript), 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 TypeScript adapters (HTTP, Hydra, AMPS, KDB, WebSocket, 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 WebAssembly 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 TypeScript 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, SonarQube, 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 WebAssembly (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

JPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P. Morgan and Chase brands. Our history spans over 200 years and today we are a leader in investment banking, consumer and small business banking, commercial banking, financial transaction processing and asset management.

We offer a competitive total rewards package including base salary determined based on the role, experience, skill set and location. Those in eligible roles may receive commission-based pay and/or discretionary incentive compensation, paid in the form of cash and/or forfeitable equity, awarded in recognition of individual achievements and contributions. We also offer a range of benefits and programs to meet employee needs, based on eligibility. These benefits include comprehensive health care coverage, on-site health and wellness centers, a retirement savings plan, backup childcare, tuition reimbursement, mental health support, financial coaching and more. Additional details about total compensation and benefits will be provided during the hiring process. 

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.

JPMorgan Chase & Co. is an Equal Opportunity Employer, including Disability/Veterans

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. 

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