1030 - Back End Engineer (Nodejs/Aws/Event-Driven) · Sr · Remoto · Arg

• 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.

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.

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.

PERKS AND BENEFITS

• Professional growth : Accelerate your professional journey wit