- 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

ABOUT THE ROLE

We are looking for a Backend Developer to design, build, and maintain scalable systems for a Product-led engineering team. This person works in Java and/or Kotlin with Spring Boot, GraphQL, MongoDB, and Aurora MySQL on AWS, covering everything from operational tooling to system architecture. Comfort picking up compliance, cost-savings, and observability work matters here.

MUST HAVES

- 3+ years of professional, backend-focused software development experience.





- Proficiency in Java and/or Kotlin .

- Proficiency in a modern NoSQL database, MongoDB on Atlas.

- Proficiency in a modern relational database, Aurora MySQL on AWS.

- Experience building cloud-native distributed systems on AWS.

- Experience with the Spring Boot framework.

- API development with GraphQL (Netflix DGS) .

- Experience building and operating large-scale, high-performance, and resilient systems on a major cloud platform.

NICE TO HAVES

- Event-driven system development, ideally with Apache Kafka and/or SQS.

- AI-assisted coding experience.

- Terraform.

- Experience building microservices.

- API development with gRPC and REST.

WHAT YOU WILL DO

- Take on lower-priority engineering work the team lacks bandwidth for, including compliance and engineering maintenance, cost-savings, observability, experiment clean-up, and operational tool development.

- Design, build, and maintain scalable, performant, and reliable software systems.

- Contribute to system architecture and technical design, validating solutions through data and experimentation where appropriate.

- Participate in code reviews and design reviews to maintain high engineering standards.

- Collaborate closely with cross-functional partners, including software engineers, product managers, data scientists, and designers.

- Partner with a Product Manager and fellow engineers to clarify requirements and perform mid-level design work, focusing primarily on coding, testing, and documentation.

PERKS AND BENEFITS

- Professiona

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