- 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

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards.

WHY JOIN US

If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you!

#J-18808-Ljbffr

📌 Senior Ai-Driven Backend Engineer For Cybersecurity (Buenos Aires)
🏢 Webflow
📍 Buenos Aires