Ingénieur Full-Stack Backend — Télétravail Latam

Pragmatike; Municipio de Rincón de los Sauces; Remote; ARS 2,400,000 - 4,000,000; Full time

Job summary

Pragmatike busca un desarrollador Backend Senior para diseñar y construir servicios de backend de alto rendimiento. Trabajará con NestJS, PostgreSQL y AWS para entregar APIs REST escalables y bien probadas, con énfasis en diseño de datos y patrones de integración para servicios financieros.

Se requiere dominio de inglés y español, experiencia en microservicios y una trayectoria probada en optimización de bases de datos y pruebas. Liderará decisiones técnicas y mentoría dentro del equipo.

Qualifications

• 7+ years Node.js backend development experience.
• Extensive NestJS framework proficiency.
• 6+ years PostgreSQL and relational DB design.
• Fluent English and Spanish mandatory; written and spoken.
• Proven ability to design scalable backend systems.
• Strong RESTful API design and implementation.
• DB optimization and performance tuning expertise.
• Experience with backend testing methodologies.
• Experience with AWS services: EC2, RDS, Lambda, S3, CloudWatch.
• Infrastructure as code: CloudFormation or Terraform.
• Experience with microservices architecture.
• Strong debugging and troubleshooting skills.

Responsibilities

• Architect and develop high-performance backend services with NestJS.
• Design and optimize PostgreSQL schemas and queries.
• Implement complex business logic and integration patterns for financial workflows.
• Create and maintain RESTful APIs with performance focus.
• Develop data modeling strategies for financial configurations.
• Lead backend system design and technical decisions.
• Leverage AWS to build scalable, reliable infrastructure.
• Mentor junior engineers and foster team culture.
• Implement comprehensive unit and integration tests.
• Establish and maintain backend observability and monitoring.
• Collaborate with frontend, product, and design teams for integration.

Skills

English fluency

Spanish fluency

Team mentorship

Backend problem solving

Tools

NestJS

Node.js

PostgreSQL

REST APIs

AWS

EC2

RDS

Lambda

S3

CloudWatch

Terraform

CloudFormation

Microservices

Observability

Testing (unit/integration)

Job description

• 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

You'll be a great fit if you have:

• 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
• Amazon EC2
• Amazon RDS
• AWS Lambda
• Amazon S3
• AWS CloudWatch
• Infrastructure as Code (CloudFormation or Terraform)
• Experience with microservices architecture
• Strong debugging and systems troubleshooting skills

Bonus points if you have:

• Knowledge of the financial services domain
• Backend observability tools experience

Need only Argentina candidates who speak both fluent English and Spanish

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Disclaimer – Lectura obligatoria: Compromiso y dedicación Este rol requiere dedicación full-time, con prioridad clara sobre los proyectos de Darwoft durante el horario laboral establecido. No es compatible con otros compromisos profesionales full-time. Cualquier