Architect and develop high-performance backend services using NestJS, ensuring scalability and maintainabilityDesign and optimize PostgreSQL database schemas and query performanceImplement complex business logic and integration patterns for financial service workflowsCreate and maintain RESTful APIs with exceptional performance characteristicsDevelop robust data modeling strategies that support complex financial service configurationsLead backend system design and technical decision-makingLeverage AWS cloud services to build scalable and reliable infrastructureMentor junior engineers and contribute to the overall engineering team cultureImplement comprehensive testing strategies, including unit and integration testingEstablish and maintain backend observability and monitoring infrastructureCollaborate closely with frontend, product, and design teams to ensure seamless system integrationYou'll be a great fit if you have:7+ years of professional Node.js development experienceExtensive experience with NestJS framework6+ years of professional experience with PostgreSQL and relational database designFluency 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 systemsStrong experience with RESTful API design and implementationExpertise in database optimization and performance tuningComprehensive knowledge of backend testing methodologiesAmazon EC2Amazon RDSAWS LambdaAmazon S3AWS CloudWatchInfrastructure as Code (CloudFormation or Terraform)Experience with microservices architectureStrong debugging and systems troubleshooting skillsBonus points if you have:Knowledge of the financial services domainBackend observability tools experienceNeed only Argentina candidates who speak both fluent English and SpanishAgileEngine is an Inc. **** 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 USIf you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you!
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📌 Senior Ai-Driven Backend Engineer For Cybersecurity (Buenos Aires)
🏢 Webflow
📍 Buenos Aires