Backend Developer (Ruby on Rails + NestJS)

🚀 We're Hiring a Backend Developer (Ruby on Rails + NestJS)

🌎 Remote | ⚙️ Full-Time | 🧩 Complex Architecture | 🎥 Real-Time Features

We are building a fast-growing SaaS platform used daily by thousands of teams and organizations. It’s a highly technical product with real-time collaboration, heavy media operations, multi-workspace logic, and multiple integrations — and we’re looking for a Backend Developer who loves solving complex problems and scaling systems.

If you enjoy designing clean architectures, building high-performance APIs, and working on challenging backend problems across interconnected modules, this role is for you.

What You’ll Work On

• Designing and maintaining backend modules across a large multi-workspace SaaS system
• Developing and optimizing REST APIs and real-time WebSocket features
• Improving database schemas, performance, and indexing
• Implementing caching, pub/sub flows, and background processing with Redis
• Building backend logic for editors, media processing, and permission models
• Integrating third-party services: OAuth, social platforms, Stripe, AWS
• Writing clean, maintainable, well-tested code in Ruby on Rails and NestJS
• Ensuring system scalability, identifying bottlenecks, debugging production issues
• Collaborating with PMs, engineers, and cross-functional teams
• Contributing to architecture decisions and process improvements

Requirements

Hard Skills

• 2+ years of experience with Ruby on Rails (APIs, background jobs, scaling)
• 1+ year with TypeScript
• 1+ year with NestJS (modular architecture, DI, REST APIs)
• Hands-on experience with Prisma ORM
• Strong understanding of REST APIs, real-time flows, and WebSockets
• Experience with Socket.io
• Advanced knowledge of PostgreSQL (indexes, optimization, performance tuning)
• Experience with Redis (caching, pub/sub, rate limiting)
• Understanding of concurrency, distributed systems, race conditions
• Experience integrating third-party APIs (OAuth, rate limits, retries)
• Bonus: Stripe (payments, subscriptions), social media APIs, AWS (S3, Lambda)

Soft Skills

• Strong attention to detail
• High sense of ownership and accountability
• Excellent communication and collaboration skills
• Ability to work independently and solve complex problems proactively
• Highly organized, able to manage multiple moving parts
• Ability to foresee risks and dependencies before implementation

Who Thrives in This Role

You love building high-impact features, care about clean architecture, and feel comfortable working in a product with a lot of moving parts, multiple integrations, and real-time dynamic behavior.

If you enjoy solving deep backend challenges, optimizing performance, and owning large pieces of the system — you will feel right at home.

We Offer

• Opportunities to work on diverse and challenging projects;
• Flexible working conditions;
• A supportive and collaborative team environment.
• 12 vacation days per year;
• 5 sick days per year;
• English classes.
• Access to psychologist support for mental well-being.