We are seeking a Senior Backend Developer specialized in Node.js and TypeScript with at least five years of experience.
Responsibilities
- Design and maintain backend applications using Node.js and TypeScript.
- Implement NoSQL (MongoDB) and SQL (MySQL or PostgreSQL) databases.
- Apply Domain-Driven Design (DDD) and Hexagonal Architecture.
- Develop and execute tests using Jest.
- Optimize backend applications for performance and scalability.
- Ensure code maintainability, readability, and adherence to coding standards.
- Collaborate with front-end developers, designers, and product managers to understand requirements and translate them into effective technical solutions.
- Integrate backend services with front-end components and third-party APIs.
- Monitor and troubleshoot production issues, ensuring high availability and reliability of backend services.
- Stay up-to-date with the latest backend development technologies and trends.
- Contribute to the development process within an Agile methodology.
- Consider security best practices throughout the development process.




- Design and develop backend services for features like user authentication, data processing, and billing.
- Minimum of 4 years of experience as a Backend Developer with Node.js using the NestJS framework.
- Experience in designing DDD and Hexagonal Architecture.
- Deep understanding of Object-Oriented Programming.
- Proficiency in TypeScript, including class design, interface definitions, and type management.
- Experience with MongoDB.
- Proficiency with MySQL or PostgreSQL.
- Familiarity with API integrations and data fetching techniques.
- Experience with build tools (e.g., Webpack, Gulp) and version control systems (e.g., Git).
- Understanding of CI/CD pipelines and deployment processes.
- Knowledge of web accessibility (WCAG) guidelines.
- English is desirable, however, it is not mandatory.

Preferred Qualifications
- Knowledge of AWS EC2 and CI/CD.
- Experience with GoLang.
- Experience in desi

📌 Senior Backend Developer (Argentina)
🏢 Lil Horse Lab
📍 Argentina