Empleos de developer backend java en Rosario

Prometeo Talent is seeking a Senior Backend Engineer for a 100% remote role serving a US-based cybersecurity startup. You will design, build, and maintain scalable backend services using Java and Python, with ownership of features across their lifecycle and collaboration with a highly technical team. The ideal candidate has 8+ years of backend experience,...

BairesDev is seeking a Senior Backend Developer to design and build scalable Node.js services for global clients. You will lead architecture decisions, mentor teammates, and deliver high-performance backend solutions that address complex business challenges. Join a fully remote team with flexible hours, competitive USD compensation, and a cloud-native focus...

AgileEngine is seeking a Senior Backend Engineer to build and maintain backend services, automation workflows, and Salesforce API integrations for a GTM data platform and AI-assisted sales automation. You will develop REST APIs and webhook-based lead routing systems, integrate with Salesforce EVO and Omnichannel, and contribute to AI SDR automation using...

redbee es una empresa argentina de tecnología con más de 15 años de experiencia en productos digitales para la industria financiera. Buscamos un Developer Senior con sólida experiencia en backend C#/.NET (v8+) para construir soluciones en una arquitectura de microservicios y enriquecer nuestras plataformas con Nest.js y React. Trabajaremos con APIs REST...

The Opportunity We are looking for a Senior Backend Engineer who thrives in startup environments and enjoys building scalable systems from the ground up. This role is ideal for engineers who combine deep backend expertise with a strong ownership mindset . You will play a key role in designing , building , and maintaining distributed systems while...

Built Technologies seeks a Senior Java Software Engineer to design, develop, and maintain scalable backend applications using Java and Spring Boot. You will own features across the lifecycle, guide other engineers, and contribute to architectural decisions. You’ll collaborate with product owners and QA in an Agile environment, improving performance,...

AgileEngine in Argentina is seeking a Senior Backend Engineer to build and maintain backend services, automation workflows, and Salesforce API integrations supporting a GTM data platform and AI-assisted sales automation initiatives. You will develop REST APIs and webhook-based lead routing systems, integrate with Salesforce APIs including EVO and...

Alegra busca un Backend Developer para diseñar y mantener sistemas escalables basados en Java y/o Kotlin, con Spring Boot, GraphQL y bases de datos MongoDB Atlas y Aurora MySQL en AWS. Se trabajará en una arquitectura serverless/cloud-native y con integración de IA en el producto. Se requiere más de 3 años de experiencia, dominio de AWS y experiencia...

Collaborate with the development team to design, develop, and maintain high-quality software solutions in Python Leverage LLMs and AI-powered tools to accelerate day-to-day developer productivity (coding, testing, documentation) Prototype and integrate AI-driven flows (agents, RAG pipelines, automation) into backend systems and customer-facing features...

Nortal is seeking an IAM Developer to design, develop, and implement robust security solutions for managing identities and access across critical systems. You will work with cross-functional teams to integrate IAM platforms, automate workflows, and ensure policy compliance. Ideal candidates bring hands-on IAM experience with Auth0/Okta/Keycloak, strong...

Pearster is seeking an AI Analyst - Agentic AI, Backend & Data Developer to build ML models for document understanding and NLP tasks in a fintech context. You will leverage Python, Pandas, and scikit-learn, applying OCR and NLP techniques to processing pipelines. You will deploy models via REST APIs using Docker and Azure ML, collaborating across teams. The...

Senior Frontend Developer (Angular.js/React.js) Talent has no borders. Proxify's mission is to connect top developers around the world with opportunities they deserve. So, it doesn't matter where you are; we are here to help you fast-track your independent career in the right direction. Since our launch, Proxify's developers have successfully worked with...

Bluelight is seeking a senior backend-focused developer to design and build high-performance services. You will work across Node.js, TypeScript, and AWS to deliver low-latency APIs and secure multi-tenant data models. The role emphasizes collaboration, learning, and contributing to challenging projects for an expanding client base across the Americas. A...

Confidencial busca Ingeniero/a de Software Senior para roles de backend y verificación determinista para entrenamiento de IA. El puesto implica desarrollo, depuración, revisión de código y optimización de rendimiento en un entorno remoto. Se requieren habilidades en Python, Java, Go, Rust, TypeScript, C++, Node.js y APIs; experiencia en algoritmos y...

As a Senior Java React Fullstack Software Engineer, you will own features end-to-end, from backend microservices through the user interface. You will make architecture and technology decisions that other engineers build on, working confidently across the stack from data model to UI. You will work within a modern Java/Spring Boot microservices backend and a...

IESF AG is seeking a Senior Java Engineer for a long-term remote engagement as a Contractor (B2B)/Freelancer. The role focuses on building scalable backend services, APIs, and cloud-enabled solutions for global clients. You will design, implement, and optimize high-performance systems while collaborating with international teams. The ideal candidate holds a...

Abstra is hiring a Senior Java React Fullstack Software Engineer to own features end-to-end—from backend microservices to the user interface. You will drive architecture decisions across the stack in a modern Java/Spring Boot backend and a Next.js/React frontend, deployed on AWS. You will work with US-based leadership and Spanish-speaking stakeholders...

Binagora is a remote-first software crafters collective specializing in building high-quality, custom solutions for diverse sectors. They seek a Senior Python Developer to drive backend engineering for migrating from Java Spring Boot to a Django-based Python API and React frontend. You will design scalable RESTful APIs, collaborate across teams to migrate...

Prometeo Talent is partnering with a fast-growing US-based cybersecurity startup to hire a Senior Backend Engineer. The role focuses on building scalable backend systems using Java and Python, with AI-assisted development workflows in a distributed, production-grade environment. The ideal candidate has 8+ years in software backend, strong Java and Python...

Techunting in Argentina is seeking a Senior Full-Stack Python Developer to join a healthcare-focused tech team. You will work across Python/FastAPI backend and React/TypeScript frontend, with PostgreSQL databases and cloud infra on AWS or GCP. The role emphasizes strong testing, data interoperability (FHIR HL7/C-CDA), and HIPAA/PHI compliance. Remote work is...