Empleos de junior backend en Rosario

As a Sr. Backend Engineer you will: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...

Aliancers is seeking a Sr. Backend Engineer in Argentina to architect and develop scalable backend services using NestJS, focusing on PostgreSQL optimization and robust data models for financial workflows.You will design RESTful APIs, lead system design decisions, and mentor junior engineers while leveraging AWS services and modern testing practices. Fluency...

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...

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 USIf you're looking for a place to grow, make an...

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...

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...

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 USIf you're looking for a place to grow, make an...

AgileEngine, LLC. in Rosario, Argentina, is seeking a Full Stack Tech Lead to guide a squad and build backend services with Java and Spring Boot, supported by an Angular frontend.You will drive technical direction, mentor junior developers, and ensure high engineering standards while delivering scalable RESTful services and domain-driven designs. Strong...

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...

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...

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...

**Software Engineer (AI Training)** **About The Role** What if the code you write could directly shape how the next generation of AI understands and generates software? We're looking for Software Engineers in Rosario to build, evaluate, and improve AI-generated code — helping train AI systems to think like real developers. You'll write solutions,...

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...

Buscamos un/a Senior Backend Developer para sumarse a nuestro equipo de Tecnología y liderar el desarrollo de servicios backend críticos con Node.js y AWS. Es un rol para alguien con experiencia sólida en desarrollo, criterio técnico y autonomía, que utilice herramientas de inteligencia artificial —como Claude Code, Cursor y similares— como parte...

Ox Security is seeking a Senior Backend Engineer to join our Engineering team and build scalable, secure backend systems for our AI-driven SDLC platform. You will collaborate with Product, Frontend, and other engineers to define architecture, improve performance, and ensure high reliability in a fast-paced environment. The role emphasizes mentoring junior...

Team8 está buscando un/a Senior Backend Developer para liderar el desarrollo de servicios críticos en Node.js y AWS. Se enfocará en APIs RESTful, arquitecturas orientadas a eventos y modelos en PostgreSQL. El rol implica integración de herramientas de IA, revisión de código y mentoría a perfiles junior. Se requiere experiencia sólida en AWS, Git y...

Darwoft is seeking a Senior Software Engineer (Java) style backend specialist for Argentina. The role is remote with a focus on scalable, high-performance NestJS services and robust data models, collaborating with frontend, product, and design teams. You will own backend design decisions, implement complex financial workflows, and mentor junior engineers....

About The Position Ox Security secures the AI-driven SDLC from prompt to production. We eliminate critical, real-time risks from AI code generation through cloud runtime by doing what conventional tools can’t: unifying development and cloud context to stop vulnerabilities right at the source. At OX, we’re building the future of cyber security for the AI...

Senior Backend Developer Buscamos un/a Senior Backend Developer para sumarse a nuestro equipo de Tecnología y liderar el desarrollo de servicios backend críticos con Node.js y AWS. Principales responsabilidades Diseñar, desarrollar y mantener servicios backend robustos y escalables con Node.js, con foco en rendimiento, calidad y buenas prácticas de...

Quer crescer rápido, ter autonomia de verdade e ver seu código em produção impactando clientes de ponta a ponta? Essa vaga é para você. Somos uma empresa digital em crescimento acelerado, com times enxutos, decisões rápidas e foco total em produto. Buscamos uma pessoa Dev Full Stack Júnior+ com postura de Sênior: dono(a), curiosa e com vontade de...