Remote Senior Backend Architect: NestJS, PostgreSQL, AWS

Encora

Municipio de Rincón de los Sauces

Remote

ARS 1,800,000 - 3,400,000

Full time

5 days ago

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Job summary

Encora is seeking a Senior Backend Developer to architect and build high-performance services using NestJS. You will optimize PostgreSQL schemas, implement complex financial workflows, and lead system design while mentoring juniors.

The role requires English and Spanish fluency and offers a full-time remote position across Argentina. Responsibilities include building scalable RESTful APIs, shaping data models for financial configurations, and ensuring observability with AWS services, testing,

Qualifications

7+ years of professional Node.js development experience.
Extensive experience with NestJS framework.
6+ years of professional experience with PostgreSQL and relational database design.
Fluency in English & Spanish (Must). The team primarily communicates in Spanish, so strong written and verbal Spanish skills are essential.
Proven track record of designing scalable, high-performance backend systems.
Strong experience with RESTful API design and implementation.
Expertise in database optimization and performance tuning.
Comprehensive knowledge of backend testing methodologies.
Experience with microservices architecture.
Knowledge of the financial services domain
Backend observability tools experience.

Responsibilities

Architect and develop high-performance backend services using NestJS, ensuring scalability and maintainability.
Design and optimize PostgreSQL database schemas and query performance.
Implement complex business logic and integration patterns for financial service workflows.
Create and maintain RESTful APIs with exceptional performance characteristics.
Develop robust data modeling strategies that support complex financial service configurations.
Lead backend system design and technical decision-making.
Leverage AWS cloud services to build scalable and reliable infrastructure.
Mentor junior engineers and contribute to the overall engineering team culture.
Implement comprehensive testing strategies, including unit and integration testing.
Establish and maintain backend observability and monitoring infrastructure.
Collaborate closely with frontend, product, and design teams to ensure seamless system integration.