Job description
As a Sr. Backend Engineer you will:
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 JavaScript development experience
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
Deep understanding of TypeScript and advanced JavaScript patterns
Strong experience with RESTful API design and implementation
Expertise in database optimization and performance tuning
Comprehensive knowledge of backend testing methodologies
Substantial AWS cloud services experience, including:
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
CI/CD pipeline configuration experience
Docker experience
Message queue systems (RabbitMQ, Kafka) experience
Backend observability tools experience
Need only Argentina candidates who speak both fluent English and Spanish
Originally posted on Himalayas
Who can apply
Eligible countries: United States. Accepted UTC offsets: UTC-10, UTC-9, UTC-8, UTC-7, UTC-6, UTC-5, UTC+14. Review the full description for employer-specific work authorization, residency and schedule requirements.