46,578+ Senior Fullstack Developer React Java Jobs in Argentina — Top Companies Hiring June 2026

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Remote Senior Python Backend Engineer FastAPI & LLM

Kaizen Recursos Humanos busca un Senior Backend Python Developer para unirse a una compañía líder en desarrollo de software en el segmento bancario. La posición es totalmente remota y ofrece responsabilidades como diseñar y optimizar aplicaciones basadas en Python, integración de APIs y colaborar en la mejora co ...

Senior DevOps Engineer, Delivery Loop

Webflow is seeking a Senior Software Engineer, Delivery Loop to enhance our Developer Productivity Pillar. This remote-first role focuses on streamlining how Webflow engineers build, test, and deliver value. You’ll lead efforts on building systems to improve scalability and efficiency while mentoring junior DevO ...

AI Platform Lead: Retrieval & Generation on AWS Bedrock

Santex Group, based in Argentina, is seeking a Senior AI Developer to lead the transformation to an AI-native platform. This role emphasizes leveraging retrieval and generation solutions to enhance functionality.The ideal candidate will have over 5 years of experience in ML engineering, with proficiency ...

Remote Senior .NET Engineer for SaaS Web Apps

Optive is seeking a Senior .NET Developer to join their remote team in Buenos Aires. The ideal candidate will have over 10 years of hands-on .NET development experience, focusing on developing and improving web applications. Strong English communication skills and experience with customer-facing SaaS applicat ...

Senior Backend Engineer: AI Orchestration & Microservices

EPAM Systems is seeking a Senior Backend Developer to join our AI Pods team in Argentina. In this role, you will architect and develop backend API services, ensuring service reliability and security. The ideal candidate has extensive experience with microservices, Python, and cloud-native APIs. Join us ...

Senior MuleSoft Integration Architect — API Design & Testing

Baufest en Córdoba, Argentina busca un/a MuleSoft Senior Developer / Integration Architect para unirse a su equipo. Se requiere más de 5 años de experiencia en integración con MuleSoft y conocimientos en sistemas hoteleros como OPERA. Las responsabilidades incluyen codiseñar contratos de API y particip ...

Remote Senior .NET Engineer for SaaS Web Apps

Optive is seeking a Senior .NET Developer to join their remote team in Buenos Aires. The ideal candidate will have over 10 years of hands-on .NET development experience, focusing on developing and improving web applications. Strong English communication skills and experience with customer-facing SaaS applicat ...

Remote Senior .NET Engineer for SaaS Web Apps

Optive is seeking a Senior .NET Developer to join their remote team in Buenos Aires. The ideal candidate will have over 10 years of hands-on .NET development experience, focusing on developing and improving web applications. Strong English communication skills and experience with customer-facing SaaS applicat ...

Remote Senior .NET Engineer for SaaS Web Apps

Optive is seeking a Senior .NET Developer to join their remote team in Buenos Aires. The ideal candidate will have over 10 years of hands-on .NET development experience, focusing on developing and improving web applications. Strong English communication skills and experience with customer-facing SaaS applicat ...

Senior Flutter Architect & Mobile Lead — Shape the Mobile

Techunting is seeking a highly skilled Senior Flutter Developer in Buenos Aires to own the mobile architecture and lead development. The ideal candidate will have at least 5 years of experience in mobile development, focusing on 3 years with Flutter. This is a full-time, long-term position in a dynamic ...

Senior Backend Engineer: AI Orchestration & Microservices

EPAM Systems is seeking a Senior Backend Developer to join our AI Pods team in Argentina. The role involves architecting and developing backend API services, emphasizing service reliability and security. Adequate candidates will have extensive experience in backend engineering, particularly with micros ...

Remote Senior .NET Engineer for SaaS Web Apps

Optive is seeking a Senior .NET Developer to join their remote team in Buenos Aires. The ideal candidate will have over 10 years of hands-on .NET development experience, focusing on developing and improving web applications. Strong English communication skills and experience with customer-facing SaaS applicat ...

Remote Senior .NET Engineer for SaaS Web Apps

Optive is seeking a Senior .NET Developer to join their remote team in Buenos Aires. The ideal candidate will have over 10 years of hands-on .NET development experience, focusing on developing and improving web applications. Strong English communication skills and experience with customer-facing SaaS applicat ...

Senior Node.js Backend Engineer – Microservices & Security

Framework Ventures in Argentina is seeking a Senior Backend Developer to enhance their platform's backend services. The ideal candidate will have over 5 years of experience in Javascript/Node.js and expertise in microservices architecture. You will design architectures, improve existing services, and m ...

Senior Flutter Architect: Lead Mobile Architecture

Techunting, a growing tech startup in Argentina, is seeking a highly skilled Senior Flutter Developer to take ownership of mobile architecture and lead app development. This role involves direct collaboration with stakeholders to realize the company's high-level vision. The ideal candidate will have at ...

Remote Senior .NET Engineer for SaaS Web Apps

Optive is seeking a Senior .NET Developer to join their remote team in Buenos Aires. The ideal candidate will have over 10 years of hands-on .NET development experience, focusing on developing and improving web applications. Strong English communication skills and experience with customer-facing SaaS applicat ...

Senior MicroStrategy Lead (Remote)

A global digital solutions company is seeking a Senior MicroStrategy Developer for a full-time remote position in Argentina. The role demands a strong background in developing complex MicroStrategy reports and dashboards, as well as expertise in T-SQL and ETL methods. As part of the Business Intelligence Team, y ...

Remote Senior Python Backend Engineer FastAPI & LLM

Kaizen Recursos Humanos busca un Senior Backend Python Developer para unirse a una compañía líder en desarrollo de software en el segmento bancario. La posición es totalmente remota y ofrece responsabilidades como diseñar y optimizar aplicaciones basadas en Python, integración de APIs y colaborar en la mejora co ...

Remote Senior .NET Engineer for SaaS Web Apps

Optive is seeking a Senior .NET Developer to join their remote team in Buenos Aires. The ideal candidate will have over 10 years of hands-on .NET development experience, focusing on developing and improving web applications. Strong English communication skills and experience with customer-facing SaaS applicat ...

Senior Ruby Engineer IAM & Security Lead

EPAM Systems is seeking a Senior Ruby Developer to join our Identity and Access Management Team in Zárate, Buenos Aires. You will be responsible for designing and enhancing security services while collaborating with integral teams. The ideal candidate has at least 3 years of experience in Ruby, excels ...

Remote Senior .NET Engineer for SaaS Web Apps

Optive is seeking a Senior .NET Developer to join their remote team in Buenos Aires. The ideal candidate will have over 10 years of hands-on .NET development experience, focusing on developing and improving web applications. Strong English communication skills and experience with customer-facing SaaS applicat ...

Senior SharePoint Solutions Engineer

Proxify is looking for a Senior SharePoint Developer located in Comodoro Rivadavia, Argentina. The role requires over 5 years of experience in SharePoint development, with expertise in SharePoint Online and On-Premises. Candidates should have knowledge in SharePoint Framework, Microsoft Power Platform, and RE ...

Senior Backend Engineer: AI Powered API Orchestration

EPAM Systems is seeking a Senior Backend Developer to join our AI Pods team in Argentina. The role focuses on architecting and developing backend API services, emphasizing service reliability and security. Adequate candidates will have extensive experience in backend engineering, especially with micros ...

Senior .NET Engineer AI Driven Backend Microservices

Avenga is seeking a Senior .NET Developer in Córdoba, Argentina to design and develop high-performance backend microservices. The ideal candidate has over 5 years of experience with .NET 8+, microservices architecture, and proficiency in AI tools for development. The role emphasizes collaboration, perf ...

Senior Tableau Engineer Remote & Flexible Hours

AgileEngine, LLC. in Rosario, Argentina is seeking a Senior Tableau Developer to manage Tableau Server administration and dashboard development. This role involves troubleshooting AWS infrastructure and supporting BI tools like Power BI and AWS QuickSight within a dynamic data engineering team. The ide ...

Senior Backend Tech Lead Architect & Mentor | Equity

Unknown Organization is seeking a Senior Back-End Developer and Tech Lead to architect and maintain back-end infrastructure. This role involves significant coding, working with cross-functional teams, and mentoring junior developers. The ideal candidate has 7+ years in back-end development and strong l ...

Senior Backend Engineer AdTech Remote Options & Impact

AgileEngine, located in Santa Fe, Rosario, is seeking a Senior Backend Developer (AdTech) to architect and build core systems for a next-generation advertising platform. The role involves high ownership and collaboration with experienced engineers. Applicants should have at least 5 years of software development ...

Senior MicroStrategy Lead (Remote)

A global digital solutions company is seeking a Senior MicroStrategy Developer for a full-time remote position in Argentina. The role demands a strong background in developing complex MicroStrategy reports and dashboards, as well as expertise in T-SQL and ETL methods. As part of the Business Intelligence Team, y ...

Senior Data Engineer — Azure Cloud & Data Platform Expert

Eleks is seeking a Senior Data Engineer to join their team in San Isidro, Buenos Aires, Argentina. The ideal candidate will have over 4 years of experience, strong expertise in Azure Cloud, and proficiency in SQL and data visualization with Power BI. The role involves designing and maintaining software ...

Remote Node Developer (Mid Level) — AI Driven & CI/CD

A dynamic technology company in Argentina is seeking a Semi Senior Node Developer to join their remote multicultural team. You will be responsible for developing high-quality software aligned with client needs while participating in project management and ensuring code quality. The ideal candidate has a degree i ...

Senior Magento PHP Engineer — Part Time, Remote

A leading IT services and consulting company is looking for an experienced Senior PHP Developer with strong Magento expertise. The ideal candidate will maintain and support existing Magento-based solutions, troubleshooting and optimizing eCommerce platforms. This part-time position requires solid experience in P ...

Senior Platform Infra Engineer – DevEx

Silver.dev is seeking a Senior Infrastructure Engineer to design and build an internal platform for product teams, focusing on software reliability and scalability. The role involves working with a TypeScript Pulumi codebase and Kubernetes-based environments. The successful candidate will leverage thei ...

Senior Node.js Backend Engineer Scalable & Secure

Framework Ventures in Argentina is looking for a Senior Backend Developer to enhance their platform's backend services. In this role, you will work with teams to design architectures, improve existing services, and ensure the highest security standards while managing core services like MySQL and MongoDB. The ide ...

Lead Drupal Engineer: Upgrade, Optimize & Scale (Remote)

Svitla Systems, Inc. is seeking a Senior/Lead Drupal Developer in Argentina for a full-time position (40 hours/week). The role involves leading the upgrade of existing Drupal sites, refactoring legacy code, and ensuring best practices in security and performance. Candidates should possess strong knowledge of Dru ...

Senior Angular Frontend Engineer Hybrid/Remote

ACCIONA IT en Buenos Aires busca un Front End Angular Developer Senior para un proyecto de 6 meses en modalidad freelance híbrida. Se requiere un mínimo de 5 años de experiencia en Angular y habilidades en APIs REST y diseño ágil. El rol implica participar en prácticas de desarrollo modernas y colabora ...

Senior MuleSoft Integration Architect | API Design Lead

Baufest en Argentina busca un/a MuleSoft Senior Developer / Integration Architect para unirse a su equipo. El candidato adecuado debe tener más de 5 años de experiencia en desarrollo de integración con MuleSoft y experiencia en sistemas hoteleros como OPERA. Las responsabilidades incluyen codiseñar con ...

Senior Backend Engineer – Real Time Auctions Platform

Topsort in Argentina is looking for a Senior Software Developer to build back-end services and APIs that promote auction-based infrastructure. The role demands strong backend engineering skills with a focus on Python and TypeScript, and the ability to work collaboratively across teams. Candidates should ideally ...

Senior IAM Engineer: Okta, SSO & MFA Specialist

EPAM Systems is seeking a Senior Security IAM Developer in Argentina to enhance enterprise identity and access management. You will optimize Okta environments, manage user lifecycle workflows, and deal with incident triage in a security-focused team. The ideal candidate will have over three years of experience w ...

Senior AI Lead — Retrieval & Generation on AWS Bedrock

Santex Group, based in Argentina, seeks a Senior AI Developer to lead the transformation to an AI-native platform, emphasizing retrieval and generation solutions. This role demands over 5 years of ML engineering experience, particularly with production RAG systems, embedding pipelines, and hybrid retrieval de ...

Senior MuleSoft Architect — API Design & Integrations

Baufest, una empresa de tecnología en Argentina, busca un/a MuleSoft Senior Developer / Integration Architect para unirse a su equipo. El candidato ideal debe tener más de 5 años de experiencia en desarrollo de integración con MuleSoft y experiencia en sistemas hoteleros como OPERA. Las responsabilidad ...

Senior Software Engineer Ai Integrations & Full Stack (Olavarría)

A leading tech company is hiring a Senior Software Engineer to design and deliver core features for their AI-powered platform. This role requires 5+ years of full stack development experience, proficiency in Ruby on Rails, and strong skills in React. Idóneo candidates will also have experienc ...

Remote Senior Node.js Engineer — APIs & Scale

AspenView Technology Partners is hiring a Senior Node.js Developer to work remotely from Argentina, Misiones. In this role, you will design RESTful APIs, manage databases, and collaborate on architectural improvements in a diverse team. We value candidates with a degree in Systems Engineering or Comput ...

Senior Backend Engineer AI API Orchestration & Reliability

EPAM Systems is looking for a Senior Backend Developer in Chubut, Argentina to join the AI Pods team. You will architect dependable API services, work with LLM orchestration, and ensure service reliability. Ideal candidates have over 3 years in backend engineering, strong Python skills, and experience ...

Engineering Manager

En Accusys desarrollamos ProBatch (AST Probatch) , una solución de Workload Automation / Batch Management para planificar, automatizar, ejecutar y monitorear procesos críticos del negocio .ProBatch permite orquestar procesos en múltiples plataformas heterogéneas y entorno ...

Senior UX Designer Remote Latin America

FullStack is the fastest-growing software consultancy in the Americas. We help organizations like Uber, GoDaddy, MGM, Siemens, and Stanford University build distributed software development teams, and deliver transformational digital solutions. As an employee-first company, we focus on hiring the most talented s ...

Senior Backend Engineer — Remote, Flexible Hours, Usd Pay (Santiago del Estero)

Job Overview Avature is seeking Senior Backend Software Engineers to join fully remote teams based in Argentina. Responsibilities You will work in small development teams to develop high-performance, high-availability products while participating in all aspects of the software desi ...

Senior Backend Engineer — Remote, Flexible Hours, Usd Pay (Neuquén)

Job Overview Avature is seeking Senior Backend Software Engineers to join fully remote teams based in Argentina. Responsibilities You will work in small development teams to develop high-performance, high-availability products while participating in all aspects of the software desi ...

Senior Backend Engineer — Remote, Flexible Hours, Usd Pay (La Plata)

Job Overview Avature is seeking Senior Backend Software Engineers to join fully remote teams based in Argentina. Responsibilities You will work in small development teams to develop high-performance, high-availability products while participating in all aspects of the software desi ...

Senior Backend Engineer — Remote, Flexible Hours, Usd Pay (Berazategui)

Job Overview Avature is seeking Senior Backend Software Engineers to join fully remote teams based in Argentina. Responsibilities You will work in small development teams to develop high-performance, high-availability products while participating in all aspects of the software desi ...

Desarrollador Frontend Senior: Fintech UI/UX, Trabajo Flexible

Ubicación AR Descripción Somos Personal, una empresa que acompaña y potencia la vida de las personas a través de la tecnología. Nuestra propuesta está pensada para que cada persona, comunidad y organización pueda avanzar, conectarse, disfrutar y transformar su realidad. En Perso ...

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