Empleos de junior frontend and backend developer 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...

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,...

Southbay is seeking a dynamic Backend Developer with strong Python experience to build scalable backend systems and APIs for our core application in Rosario. You will integrate third‑party services via REST and GraphQL, model data across NoSQL and relational databases, and deploy services to AWS using Lambda and API Gateway. You will also explore...

Seeds Renewables is seeking a dynamic Backend Developer with strong Python experience to build scalable backend systems and APIs. The role focuses on delivering MVPs quickly while exploring AI-powered tooling to accelerate development.You’ll work on cloud deployments and integrate third-party services to ensure robust data management and performance. The...

Southbay is seeking a dynamic Backend Developer with strong Python skills to build scalable backend systems and APIs. You will integrate third-party services via REST/GraphQL, model data in NoSQL and relational databases, and deploy services to AWS using Lambda and API Gateway. AI-powered tooling experience is a plus.You will work in Rosario, Argentina,...

Superprof seeks a dynamic Backend Developer with strong Python experience and a passion for problem-solving using modern AI tools. Build scalable backend systems and MVPs quickly, while suggesting innovative solutions.Responsibilities include developing APIs, integrating services via REST/GraphQL, working with NoSQL and relational databases, and deploying to...

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,...

Kids Us is seeking a dynamic Backend Developer with strong Python experience to build scalable backend systems and APIs for our core application. You will integrate third-party services via REST/GraphQL, work with NoSQL and relational databases, and contribute to AWS deployments using Lambda and API Gateway.You will explore AI-powered tooling to accelerate...

Iqvia is seeking a dynamic Backend Developer in Rosario, Argentina, focusing on Python-based backend systems and AI-driven tooling to accelerate MVP delivery. You will build and maintain APIs, integrate third-party services, and ensure scalable data models in NoSQL and relational databases.Ideal candidates have 4+ years of Python experience, strong API...

Arbeitskreis Lernforschung is seeking a dynamic Backend Developer to build and scale backend services using Python, with a strong focus on modern AI tooling. You will implement APIs, work with MongoDB, DynamoDB, PostgreSQL and MySQL, and collaborate on AWS deployments like Lambda and API Gateway.The role awards proactive problem-solvers who can drive MVPs...

Senior Fullstack Engineer (React/TypeScript/AI-Assisted Development) · LATAM Location: Anywhere in LATAM Work Model: 100% Remote Engagement: Full-time Contractor Project: FinTech · Customer Experience Operations Platform English Level: Advanced Seniority: Senior Commitment & Focus This role requires full‑time dedication, with clear priority given to...

Sercanto Srl is seeking a dynamic Backend Developer with strong Python experience to build scalable backend systems and explore AI tools for rapid MVP delivery. The role emphasizes critical thinking, fast iteration, and architecture improvements.The candidate will develop services, integrate external APIs, manage data across NoSQL and relational databases,...

Tether Operations Limited seeks a frontend/desktop developer to build and maintain Keet Desktop, a cross‑platform P2P app built with React and running on the Pear runtime. You will contribute from a remote, globally distributed team, focusing on UI/UX, performance, and robust testing.Experience with React, Redux/Redux Toolkit, and modern frontend tooling...

HoyCompany OverviewOur client is a remote product studio that builds MVPs and custom software for startups and companies past the idea stage. Clients pay for each build, and a small team works in two-week sprints with AI coding tools used every day. Clients are startup founders and their teams, so developers explain tradeoffs to them directly.They've been at...

Commitment & Focus This role requires full-time dedication, with clear priority given to Darwoft projects during the established working hours. It is not compatible with other full-time professional engagements. Any additional professional activities must be disclosed in advance and must not interfere with the responsibilities or working hours of this role....

Disclaimer – Must read: Commitment & Focus This role requires full-time dedication, with clear priority given to Darwoft projects during the established working hours. It is not compatible with other full-time professional engagements. Any additional professional activities must be disclosed in advance and must not interfere with the responsibilities or...

Bluelight is a leading software consultancy dedicated to designing and developing innovative technology that enhances users' lives. With a steadfast commitment to delivering exceptional service to our clients, Bluelight excels in its focus on quality and customer satisfaction. Our mission is not only to create cutting-edge applications but also to foster a...

vidIQ is hiring a frontend-leaning engineer who will own entire product surfaces from end to end, including UI, APIs, and data flows. You will shape how millions of creators experience vidIQ and contribute to AI-powered experiences across the stack.This remote role welcomes candidates worldwide, with flexible collaboration and a focus on building...

Tether is seeking a frontend-focused developer to build and maintain Keet Desktop on the Pear runtime, using React and modern state management. You will work on UI/UX, performance, and real-time features in a globally distributed team environment.Ideal candidates bring strong React/Redux skills, a passion for distributed systems, and the ability to ship...

Darwoft is seeking a Senior Fullstack Engineer with a strong frontend focus to join a high-impact international FinTech project. You will design and ship agent-facing experiences using React and TypeScript within a modern, modular frontend architecture, collaborating with backend services and APIs powering the platform.We value an agentic development...