Senior Backend Developer (Nest, node) - Full-time - LATAM

Job Title: Senior Backend Engineer
Experience: 5+ years
Tech Stack: NestJS, MongoDB, PostgreSQL

About the Company

​Practivated™ is an AI-powered platform that helps fundraisers build confidence and master donor conversations through realistic simulations and real-time feedback, enabling authentic, purpose-driven fundraising.

About the Role:

We’re looking for a Senior Backend Engineer to join our team and help build scalable APIs and services using NestJS. You’ll play a key role in designing our data models, shaping our architecture with domain-driven design, and integrating advanced LLM features through prompt engineering.

Responsibilities:

• Design, develop, and maintain backend services using NestJS
• Model and manage data across MongoDB and PostgreSQL
• Apply domain-driven design principles to architect scalable systems
• Build robust RESTful
• Integrate LLMs into the product with effective prompt engineering
• Write clean, maintainable, and well-tested code

Requirements:

• 5+ years of backend engineering experience
• Strong knowledge of NestJS and Node.js
• Experience with both MongoDB and PostgreSQL
• Solid grasp of domain-driven design and database modeling
• Proven experience in building and scaling APIs
• Hands-on experience with prompt engineering and LLM APIs (e.g., OpenAI, Anthropic)
• Familiarity with Git, CI/CD, and testing frameworks
• Strong communication skills, spoken and written.