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, LLC. is seeking trainee or junior software engineers to kickstart careers in software development and data engineering. You will work on real-world projects and collaborate with senior engineers across frontend, backend, or data solutions in a fast-paced, supportive environment.Join a people-first team with opportunities for hands-on learning,...

ROSARIO, Argentina | Posted on 03/05/2026AgileEngine 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...

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

Tekton Labs busca un desarrollador Full Stack con más de 5 años de experiencia para diseñar y mantener servicios backend y frontend de alto rendimiento. Se trabajará con Node.js, TypeScript, React y AWS, con énfasis en observabilidad y respuesta a incidentes.El candidato colaborará con equipos globales, realizará rotaciones de guardia y mentoría a...

ROSARIO, Argentina | Posted on 10/07/2026AgileEngine 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...

Offer: Contractor: USD 9000.00 Timezone: (UTC-08:00) Los Angeles, USA - Pacific Time (PT) English Level: C2 - Native Spanish Level: C2 - Native Responsibilities Diseñar, desarrollar y mantener servicios backend y frontend de alto rendimiento utilizando Node.js, TypeScript y frameworks modernos. Liderar el mantenimiento y la actualización de aplicaciones...

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, review AI...

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...

Offer: Contractor: USD 1000.00Timezone: (UTC-05:00) Lima, Peru - Peru Time (PET)English Level: C1 - AdvancedSpanish Level: C2 - NativeResponsibilitiesDiseñar, desarrollar y mantener servicios backend y frontend de alto rendimiento utilizando Node.js, TypeScript y frameworks modernos.Liderar el mantenimiento y la actualización de aplicaciones cliente,...

🌎 NUESTRA MISIÓN En Global Network Song ayudamos a nuestros clientes a innovar en sus capacidades comerciales a lo largo del journey, participando en proyectos de transformación digital con el objetivo de mejorar sus procesos de Sales, Commerce, Marketing y Customer Service.  Tenemos el desafío de crecer nuestra práctica, trabajando para las...