WASM/WebAssembly Engineer

Ctruh; Bengaluru; Hybrid; INR 1,200,000 - 2,400,000; Full time

Job summary

Ctruh is seeking a highly skilled WASM/Web Assembly Engineer to build high-performance web applications with WebAssembly. You’ll work with product, backend, and frontend teams to integrate and optimize modules for browser use.

This flexible role can be full-time or freelance, and expects deep expertise in browser technologies, systems programming, and performance optimization. Join a deep-tech company delivering a no-code 3D engine and VersaAI.

Qualifications

• 3+ years of software engineering experience with focus on systems programming or web tech
• Deep knowledge of WebAssembly and its toolchains
• Proficiency in C/C++, Rust for WebAssembly compilation
• Strong fundamentals in JavaScript, TypeScript, HTML5, and Web APIs

Responsibilities

• Design, develop, and optimize WebAssembly modules for performance-critical web apps
• Port C/C++/Rust libraries to WebAssembly for browser use
• Collaborate with frontend and backend teams to integrate WebAssembly components
• Identify bottlenecks and optimize builds for minimal footprint and maximum speed
• Research and implement security, memory management, and cross-browser compatibility
• Stay updated on WebAssembly trends and browser technologies
• Document designs, architecture decisions, and best practices

Skills

Systems programming

Web technologies

C/C++

Rust

WebAssembly

JavaScript/TypeScript

Tools

Emscripten

wasm-bindgen

WASI

React

Next.js

Job description

About Us

Ctruh is a deep-tech company building the infrastructure layer for the spatial internet through a proprietary browser-native, no-code 3D engine and VersaAI, our in-house generative AI engine that transforms text, images, and video into production-ready 3D assets in minutes.

Our Work Rhythm

This is a 6-day working setup with Monday to Friday operating from office and Saturday as Work From Home (WFH). We believe this model enables stronger collaboration, faster learning, and better team alignment while maintaining flexibility.

About The Role

We are looking for a highly skilled WASM/Web Assembly Engineer with deep expertise in building high-performance web applications using WebAssembly. You will work closely with our product, backend, and frontend teams to integrate and optimize WebAssembly modules, helping us push the boundaries of web performance and capabilities. This is a flexible role available for both full-time employees or freelance experts passionate about high-performance computing, browser technologies, and systems programming.

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 internal knowledge sharing.

Must-Haves

What You Bring:

• 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.

Who Will Thrive Here

The ideal candidate is a hands-on WASM/WebAssembly Engineer with 3+ years of experience in software engineering, particularly in systems programming and modern web technologies. They possess deep expertise in WebAssembly, including compilation toolchains such as Emscripten, wasm-bindgen, and WASI, along with strong proficiency in C++, Rust, or similar low-level languages. They have a solid understanding of JavaScript, TypeScript, HTML5, and Web APIs, coupled with experience in browser debugging, performance optimization, and security best practices. Familiarity with React, Next.js, or similar frontend frameworks is an advantage. Above all, they are a proactive problem-solver with strong communication skills, capable of working independently while thriving in a fast-paced, collaborative environment.

Why Join Ctruh

At Ctruh, you'll have the opportunity to work on cutting‑edge, high‑performance web products while being exposed to innovative technologies and challenging projects that drive real impact. We offer a competitive salary, performance-based incentives, comprehensive health insurance and wellness benefits, and a vibrant, collaborative work environment that supports continuous learning and professional growth.