WASM/WebAssembly Engineer- Experience: 3+ years- Location: Bangalore (Onsite)- Budget- Upto 20 [...]

Angel and Genie; Bengaluru; Remote; INR 1,800,000 - 3,200,000; Full time

Job summary

Angel and Genie is seeking a WebAssembly-focused engineer to design, develop, and optimize modules for high-performance web applications. You will port existing C/C++/Rust libraries to WebAssembly for browser usage and collaborate with frontend and backend teams to integrate components.

You will diagnose performance bottlenecks, optimize builds for small footprint and speed, and study security and memory management best practices while staying current with WebAssembly trends and documenting

Qualifications

• 3+ years of software engineering with focus on systems programming or web technologies.
• Deep understanding of WebAssembly, toolchains (Emscripten, wasm-bindgen, WASI) and integration techniques.
• Strong proficiency in C/C++, Rust or similar low-level languages for WebAssembly.

Responsibilities

• Design, develop, and optimize WebAssembly modules for performance‑critical web apps.
• Port existing C/C++/Rust libraries to WebAssembly for browser usage.
• Collaborate with frontend and backend engineers to integrate components.
• Identify bottlenecks and optimize builds for minimal footprint and speed.
• Research and implement security, memory management, and cross‑browser best practices.
• Stay updated on WebAssembly trends and document architectural decisions.

Skills

WebAssembly

C/C++

Rust

JavaScript

TypeScript

HTML5

Web APIs

Systems programming

Performance optimization

Tools

Emscripten

wasm-bindgen

WASI

Job description

About the Role

Design, develop, and optimize WebAssembly modules for performance-critical web applications. Port existing C/C++/Rust libraries and applications to WebAssembly for browser usage. Collaborate with frontend and backend engineers to integrate WebAssembly components seamlessly. Identify performance bottlenecks and optimize WebAssembly builds for minimal footprint and maximum speed. Research and implement best practices for security, memory management, and cross-browser compatibility in WebAssembly applications. Stay updated on the latest trends and advancements in WebAssembly and related browser technologies. Document technical designs, architecture decisions, and best practices for interna knowledge sharing.

What You’ll Own

• Design, develop, and optimize WebAssembly modules for performance‑critical web applications.
• Port existing C/C++/Rust libraries and applications to WebAssembly for browser usage.
• Collaborate with frontend and backend engineers to integrate WebAssembly components seamlessly.
• Identify performance bottlenecks and optimize WebAssembly builds for minimal footprint and maximum speed.
• Research and implement best practices for security, memory management, and cross‑browser compatibility in WebAssembly applications.
• Stay updated on the latest trends and advancements in WebAssembly and related browser technologies.
• Document technical designs, architecture decisions, and best practices for interna knowledge sharing.

Must-Haves

• 3+ years of experience in software engineering with a strong focus on systems programming, web technologies, or both
• Deep understanding of WebAssembly, its compilation toolchains (e.g., Emscripten, wasm-bindgen, WASI), and integration techniques
• Strong proficiency in C/C++ , Rust, or similar low‑level languages used for WebAssembly compilation
• Solid understanding of web technologies like JavaScript, TypeScript, HTML5, and Web APIs

Good-to-Have

• Experience with browser debugging, performance profiling, and optimizing WebAssembly applications
• Knowledge of security concerns related to WebAssembly (e.g., sandboxing, memory safety)
• Familiarity with frontend frameworks (e.g., React, Next.js) is a plus
• Ability to work independently in a fast‑paced and collaborative environment
• Excellent problem‑solving, communication, and documentation skills