Senior Full Stack Engineer

Voltchat is making WhatsApp work for businesses by building a high-performance messaging client with deep WhatsApp integration.
$60,000
Backend
Senior Software Engineer
Hybrid
5+ years of experience
Enterprise SaaS

Description For Senior Full Stack Engineer

Voltchat is an innovative company that's revolutionizing how businesses interact with WhatsApp. They're building a high-performance messaging client that deeply integrates with WhatsApp, focusing on speed, usability, and efficiency.

The role of Senior Full Stack Engineer comes with significant responsibility and opportunity. You'll be joining a small, sharp team of engineers where you'll have the chance to architect and build backend services that power their WhatsApp client. The position requires a backend-first mindset and thrives on fast-moving, high-impact environments.

Key responsibilities include architecting scalable backend services, optimizing for speed and efficiency, working with real-time data processing, and collaborating with frontend developers to create seamless user experiences. You'll also be instrumental in making technical decisions that shape Voltchat's future.

The ideal candidate brings 5+ years of experience in Full Stack or Backend development, with deep expertise in Node.js, WebSockets, and database systems. You should be comfortable with real-time messaging systems and possess a hacker mindset that goes beyond just coding to true engineering solutions.

What makes this role particularly exciting is the opportunity to work on a product that has real-world impact, with a team that values autonomy and fast execution. The hybrid work model (3 days on-site, 2 days remote) offers flexibility while maintaining collaborative opportunities. You'll be free from corporate bureaucracy, focusing instead on pure problem-solving and product building.

The company culture emphasizes technical excellence, innovation, and the ability to push boundaries. If you're passionate about bending technology to your will and want to be part of a team that's reshaping how businesses use WhatsApp, this role offers an excellent opportunity to make a significant impact while working with cutting-edge technology.

Last updated 2 days ago

Responsibilities For Senior Full Stack Engineer

  • Architect, build, and scale backend services powering WhatsApp client
  • Optimize for speed and efficiency
  • Work on real-time data processing, messaging APIs, and storage
  • Collaborate with frontend devs to create a seamless UX
  • Contribute to technical decisions that shape the future of Volt

Requirements For Senior Full Stack Engineer

JavaScript
Node.js
React
  • 5+ years of experience as a Fullstack or Backend JavaScript/TypeScript developer
  • Deep knowledge of Node.js, WebSockets, databases (SQL & NoSQL), and API design
  • Experience working with real-time messaging systems or similar architectures
  • Strong problem-solving skills and a hacker mindset
  • Comfort working in high-autonomy, fast-moving environments
  • Solid experience with performance optimization and debugging

Benefits For Senior Full Stack Engineer

  • Hybrid work: 3 days on-site in Vicente López, 2 days remote
  • Small, talented team that moves fast and ships
  • No corporate BS—just raw problem-solving and product building
  • Chance to work on a product that people will actually use

Interested in this job?

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