🚀 We’re Hiring: Senior Full Stack Developer (Golang / Node.js / React) – Remote
Massive is looking for a Senior Full Stack Developer to join our fully remote, high-performance engineering team. You’ll help build the core systems powering Massive’s global proxy infrastructure, data APIs, and AI-driven automation products — used by leading data companies around the world.
🌐 What is Massive?
- Massive is an infrastructure company powering data-driven innovation at scale.
- We operate one of the world’s largest residential proxy networks, develop managed APIs for search engines (SERP), and build AI-powered automation tools for large-scale web data collection and processing.
- Our technology is used by leading SEO, analytics, and AI companies to access, structure, and process real-time data from the open web.
🎯 Why Join Us?
- Engineering at Scale: Work on systems handling 100+ billion monthly requests across a globally distributed network.
- Remote-First Culture: Fully asynchronous team focused on ownership, impact, and results, not hours logged.
- Deep Technical Challenges: Build distributed systems, high-concurrency architectures, and AI-integrated workflows.
- Equity & Growth: Competitive compensation, meaningful equity, and a fully remote setup.
👨💻 What You’ll Be Doing
- Design, build, and scale core components of Massive’s proxy infrastructure to support 100,000+ QPS.
- Develop and maintain full-stack features across backend (Go, Node.js) and frontend (React, TypeScript).
- Architect and optimize billing and payment systems (Stripe, PayPal, and other APIs).
- Integrate AI tools into automation, data processing, and developer workflows.
- Collaborate with backend, product, and data teams on large-scale scraping and proxy systems.
- Continuously improve performance, reliability, and developer experience across the stack.
🧠 Who We’re Looking For
- 6+ years of full-stack development experience.
- Deep proficiency in Go, Node.js, React, and TypeScript.
- Familiarity with Python, AWS, and modern CI/CD pipelines.
- Experience building and maintaining high-traffic, performance-critical systems.
- (Bonus) Experience with web scraping, proxy infrastructure, or LLMs and AI systems.
💬 Team & Culture
- ~20-person fully remote team
- Collaborative, async-first communication
- High autonomy, low bureaucracy
- English as the working language
✅ The Practical Stuff
- Type: Full-time, remote
- Time Zone: Flexible (4-hour overlap with GMT+2 preferred)
- Compensation: Competitive salary + equity incentive plan
- Perks: Health insurance reimbursement, remote work setup support
🧭 Help Build the Future of Web Data Infrastructure
Join Massive and help shape how the world’s data flows — one system, one API, and one breakthrough at a time.
