Senior Fullstack Developer Reactjava Jobs in Buenos Aires, Argentina

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Senior Lead AI Architect (Remote) – RAG SaaS Platform

A tech-focused company in Buenos Aires is seeking a Senior Lead AI Developer to scale a cutting-edge AI platform. You will architect intelligent systems, integrate multi-modal models, and lead a team of developers. The ideal candidate has strong experience with RAG-based systems and SaaS platforms. This remote r ...

Senior MuleSoft Integration Engineer (Remote)

A prominent international BPO company is seeking a Senior MuleSoft Developer to design and maintain integration solutions using the MuleSoft Anypoint Platform. The role involves implementing API-led connectivity and involves collaboration with various teams to deliver scalable integration solutions. Beneficial s ...

Senior .NET Architect: Lead Scalable Backend Systems

Unosquare is seeking a Senior .NET Developer in Argentina to join our dynamic team. You'll be responsible for designing scalable backend systems and refactoring existing code. The ideal candidate will have over 5 years of software development experience and strong proficiency in C# and .NET Core. Famil ...

Senior Python Backend Engineer AI Driven Supply Chain

EPAM Systems is seeking a Senior Python Back-End Developer in Buenos Aires to enhance our supply-chain data analytics platform. You will develop robust back-end components using Python with Flask or FastAPI and implement RESTful APIs. The ideal candidate has over 3 years of experience in developing hig ...

Senior Ruby Engineer: IAM Security & Scale

EPAM Systems is looking for a Senior Ruby Developer to join our Identity and Access Management Team in Lomas de Zamora, Argentina. In this role, you will design, build, and enhance authentication and authorization services, ensuring robust security. You will develop high-quality Ruby-based code, mentor ...

Senior DevTools Engineer Atlassian Automations

Mccain Foods is looking for a Senior DevTools Engineer / Atlassian Developer in Buenos Aires. This full-time position involves designing and maintaining workflows and automations across Jira, Confluence, and ServiceNow, with a hands-on approach to improve IT productivity. The ideal candidate should hav ...

Senior MuleSoft Integration Architect — Flexible Role

Baufest, una empresa de tecnología en Argentina, busca un/a MuleSoft Senior Developer / Integration Architect para unirse a su equipo. Se requiere más de 5 años de experiencia en desarrollo de integración con MuleSoft, así como experiencia en sistemas hoteleros como OPERA. Las responsabilidades incluye ...

Senior Ruby on Rails Dev — Remote, Growth & Impact

Rootstrap is looking for a Semi Senior Ruby on Rails Developer based in Buenos Aires, Argentina. You will be responsible for developing well-designed, high-quality code and participating in project management tasks. The ideal candidate should have at least 2 years of experience with Ruby on Rails, strong SQL ...

Senior Python Backend Engineer — AI Driven Supply Chain

EPAM Systems is seeking a Senior Python Back-End Developer in Buenos Aires. You will be responsible for developing scalable back-end components for an innovative supply-chain data analytics platform. The ideal candidate has over 3 years of experience in web applications, solid Python and Flask skills, and the ...

Senior Python Backend Engineer – Analytics Platform

EPAM Systems is searching for a Senior Python Back-End Developer in Campana, Argentina, to enhance their supply-chain data analytics platform. The ideal candidate will develop back-end components with Python and Flask, implement RESTful APIs, and optimize PostgreSQL databases. This role includes workin ...

Senior MuleSoft Integration Architect — Flexible Work

Baufest, ubicado en Ezeiza, Argentina, busca un/a MuleSoft Senior Developer / Integration Architect para unirse a su equipo. El candidato ideal tiene más de 5 años de experiencia en desarrollo de integración con MuleSoft y experiencia en sistemas hoteleros como OPERA. Las responsabilidades incluyen cod ...

Senior Ruby Engineer: IAM Security & Scale

EPAM Systems is looking for a Senior Ruby Developer to join our Identity and Access Management Team in Buenos Aires. You will design and enhance critical authentication and authorization services, focusing on security and performance. The ideal candidate has over 3 years of experience in software engin ...

Senior Backend Architect, AdTech Platform (Remote/Flex)

AgileEngine is seeking a Senior Backend Developer (AdTech) in Buenos Aires, Argentina, to help build a cutting-edge advertising platform. You will leverage technologies like Python, Django, and Kubernetes while owning critical systems and driving architectural decisions. Ideal candidates should have at least 5 y ...

Senior Lead AI Architect (Remote) – RAG SaaS Platform

A tech-focused company in Buenos Aires is seeking a Senior Lead AI Developer to scale a cutting-edge AI platform. You will architect intelligent systems, integrate multi-modal models, and lead a team of developers. The ideal candidate has strong experience with RAG-based systems and SaaS platforms. This remote r ...

Senior Python Backend Engineer — AI Driven Supply Chain

EPAM Systems is seeking a Senior Python Back-End Developer in Buenos Aires, Argentina, to enhance our innovative supply-chain data analytics platform. You will develop robust back-end components, implement seamless APIs, and optimize high-load database interactions. The ideal candidate will possess 3+ ...

Senior Python Backend Engineer – Analytics Platform

EPAM Systems is looking for a Senior Python Back-End Developer based in Lomas de Zamora, Buenos Aires, to enhance their innovative supply-chain data analytics platform. You will be responsible for developing scalable back-end components using Python and Flask, implementing RESTful APIs, and optimizing Postgre ...

Senior Python Backend Engineer — AI Driven Supply Chain

EPAM Systems is seeking a Senior Python Back-End Developer in Bahía Blanca, Argentina. You will contribute to our supply-chain data analytics platform by developing robust back-end components using Python, Flask, and PostgreSQL. Your role includes optimizing database performance, managing code quality, ...

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 ...

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 ...

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 ...

Remote Senior Full Stack Lead HealthTech Impact

TurnKey Tech Staffing seeks a Senior Full-stack Software Developer to transform healthcare experiences. In this role, you'll lead projects from design to delivery, collaborating with teams to deliver impactful features. Your expertise in Python, React, and Agile methodologies will help improve system e ...

Senior Data & API Engineer | ETL & Cloud Native

Metova is seeking a Senior Developer / Systems & ETL Engineer in Argentina to lead the design and implementation of scalable information processing systems. The role requires expertise in Java, Python, RESTful APIs, and cloud-native architectures. You will manage projects independently, collaborate with clients, ...

Lead Mobile Engineer for Crypto Wallet & DeFi Apps

Tether.io is seeking a senior backend developer to lead a team in developing cutting-edge mobile applications integrating crypto wallet solutions. The role involves working in a dynamic environment with a diverse team to deliver high-performance applications and provide technical leadership. The ideal ...

Senior Backend Engineer Fintech & Blockchain Scale

A leading fintech company is looking for a Senior Backend Developer in Argentina. You will be integral in developing and maintaining backend components for innovative digital finance solutions. The role requires at least 5 years of experience with Javascript/Node.js, familiarity with microservices, and a strong ...

Senior Backend Engineer (Golang/Node) Remote LATAM

A leading software development firm is seeking a Senior Back End Developer to work remotely from LATAM. You will be responsible for building reliable backend services and collaborating with stakeholders to deliver high-impact features. The ideal candidate has 4-6 years of experience in Golang and Node.js, strong ...

Senior Salesforce Engineer (Remote)

A global technology recruitment firm is seeking a Senior Salesforce Developer to join a dynamic team. In this remote full-time position, you'll develop scalable Salesforce solutions, utilize your expertise in Apex and Lightning Web Components, and collaborate with cross-functional teams. Ideal candidates should ...

Senior Front‑End Engineer: Design System Lead (Blazor)

A healthcare technology company is seeking a Senior Front End Developer to lead the evolution of a scalable Design System for an Electronic Health Record platform. This remote role requires strong experience with Blazor and Telerik Control Libraries, with responsibilities including auditing, designing reusable U ...

Remote PHP Architect: API & Cloud Scale Leader

A leading software talent provider is seeking a Senior Developer specializing in PHP Architecture. This role focuses on leading system design, implementing cloud infrastructure, and ensuring high availability for applications. Candidates should have strong PHP skills and experience with frameworks like Laravel o ...

Senior .NET Tech Lead & Applications Engineer

EY is seeking a NET Developer/Analyst Engineer – Assistant Director in Buenos Aires to lead and manage technical deliverables for various projects. In this senior role, you’ll have the opportunity to enhance technology solutions and coordinate with project teams, ensuring quality and adherence to coding stand ...

Senior Python Backend Engineer – Analytics Platform

EPAM Systems is seeking a Senior Python Back-End Developer in Argentina to enhance their innovative supply‑chain data analytics platform. You will develop scalable back‑end components using Python and Flask, implement RESTful APIs, and optimize PostgreSQL databases. The role promises international proj ...

Senior Android Engineer — Kotlin, AI & Cloud

Bynd Limited is seeking a Senior Android Developer in Buenos Aires to lead the development of high-performance Android applications. This role requires at least 6 years of expertise in Kotlin and modern Android architectures, including MVVM. You will be responsible for integrating AI features and collaborating g ...

Senior Android Engineer: Kotlin, AI & Cloud (Hybrid)

Qodea is seeking a Senior Android Developer in Buenos Aires, Argentina, with deep expertise in Kotlin and modern Android frameworks. This role involves building AI-driven mobile applications and collaborating with international teams. Candidates should have over 6 years in Android development and strong Kotlin s ...

Senior Full Stack Engineer (Node/React) — Lead & Deliver

GlobalLogic is seeking a Senior Full Stack Node/React Developer based in Buenos Aires, Argentina. This role involves building product features, mentoring engineers, and developing both back-end and front-end applications. The ideal candidate has at least 7 years of experience in web-based development, fluent Eng ...

Senior Full Stack Dev: Angular + .NET Core

Capgemini busca un Senior Full Stack Developer (.NET Core/Angular) en Buenos Aires. Se requiere un profesional con más de 6 años de experiencia en desarrollo full stack, habilidades sólidas en Angular y .NET Core, y conocimiento en metodologías Agile. Se ofrece un salario dolarizado y beneficios como OSDE y días ...

Senior Oracle DB & Linux DevOps Engineer

MVL Consulting busca un Senior Developer Database en Linux Server, con 3 años de experiencia en base de datos Oracle y sistema operativo Linux. El candidato será responsable de operaciones en plataformas Unix y gestión de servidores, asegurando un entorno óptimo para el procesamiento de datos. Se valor ...

Senior Flutter Architect & Mobile Lead

Techunting is looking for a highly skilled Senior Flutter Developer in Buenos Aires to own mobile architecture and lead development. You will work directly with stakeholders to turn a high-level vision into reality. The ideal candidate has a minimum of 5 years in mobile development, with 3 years focuse ...

Senior Full Stack React Engineer – Remote

Sophilabs is looking for a Senior Full Stack React Developer in Entre Ríos, Argentina. You will be responsible for developing high-performing applications and interpreting pixel-perfect designs. A strong background in React, CSS, and back-end technologies is essential, alongside excellent problem-solving and com ...

Senior React Front End Architect Remote LATAM

A leading software development company is seeking a Senior Front-End Developer with solid experience in React.js to join their remote team across LATAM. The ideal candidate has over 6 years of front-end development experience, including at least 4 years with React.js. Responsibilities include leading front-end f ...

Senior Full Stack Dev: Angular + .NET Core

Capgemini busca un Senior Full Stack Developer (.NET Core/Angular) en Buenos Aires. Se requiere un profesional con más de 6 años de experiencia en desarrollo full stack, habilidades sólidas en Angular y .NET Core, y conocimiento en metodologías Agile. Se ofrece un salario dolarizado y beneficios como OSDE y días ...

Senior Flutter Architect & Mobile Lead

Techunting is looking for a highly skilled Senior Flutter Developer in Buenos Aires to own mobile architecture and lead development. You will work directly with stakeholders to turn a high-level vision into reality. The ideal candidate has a minimum of 5 years in mobile development, with 3 years foc ...

Senior Oracle DB & Linux DevOps Engineer

MVL Consulting busca un Senior Developer Database en Linux Server, con 3 años de experiencia en base de datos Oracle y sistema operativo Linux. El candidato será responsable de operaciones en plataformas Unix y gestión de servidores, asegurando un entorno óptimo para el procesamiento de datos. Se va ...

Senior Flutter Platform Engineer SDK Upgrades Automation

Somnio Software is seeking a Senior Core Flutter Engineer in Buenos Aires to work on high-impact mobile developer experience projects. This role focuses on automating SDK and dependency upgrades, enhancing the mobile platform's performance and maintainability. Candidates should have over 5 years of software ...

Senior Android Engineer — Kotlin, AI & Cloud

Bynd Limited is seeking a Senior Android Developer in Buenos Aires to lead the development of high-performance Android applications. This role requires at least 6 years of expertise in Kotlin and modern Android architectures, including MVVM. You will be responsible for integrating AI features and collaborating g ...

Senior Android Engineer: Kotlin, AI & Cloud (Hybrid)

Qodea is seeking a Senior Android Developer in Buenos Aires, Argentina, with deep expertise in Kotlin and modern Android frameworks. This role involves building AI-driven mobile applications and collaborating with international teams. Candidates should have over 6 years in Android development and strong Kotlin s ...

Remote Python Backend Engineer in LATAM for AI Infra

A technology company is seeking a Python Fullstack Engineer to develop scalable software infrastructures. This remote role requires 5+ years of backend development experience with Python and frameworks like Django and Flask. Responsibilities include designing robust APIs and integrating applications. The positio ...

Remote Full Stack Engineer (LatAm) — Global Impact

FullStack is hiring a Full Stack Engineer based in Mar del Plata, Argentina. This 100% remote role involves connecting clients with talented software professionals. The ideal candidate will have extensive experience in Java, Kotlin, and React, along with a proactive and positive attitude. Responsibilities includ ...

Remote AWS DevOps Engineer | AI Driven Automation

FullStack, located in Buenos Aires, is looking for an Agentic AWS DevOps Engineer to connect with U.S. clients for flexible, project-based work. The ideal candidate will have over 5 years of DevOps Engineering experience, strong skills in AWS services, and expertise in CI/CD pipelines and containerization. The p ...

Remote AWS DevOps Engineer — CI/CD, Terraform, Kubernetes

FullStack is seeking an Agentic AWS DevOps Engineer in Salta, Argentina, for flexible, project-based work with U.S. clients. Candidates must have over 5 years in DevOps, advanced English communication, and a college degree. Responsibilities include integrating into teams, automating workflows, optimizing cloud i ...

Remote Full Stack Engineer (Java/Kotlin + React)

FullStack in Buenos Aires is hiring a Full Stack Engineer to connect with U.S. clients and provide flexible, project-based software development. Candidates must have over 5 years of experience in Kotlin and Java, a four-year degree, and a strong understanding of object-oriented programming. This remote position ...

Remote Azure DevOps Engineer (Latin America)

FullStack is seeking an experienced Agentic Azure DevOps Engineer to join their talent network in Buenos Aires, Argentina. This role involves direct integration into client teams, requiring over 4 years of DevOps experience and proficiency in Azure. Responsibilities include building CI/CD pipelines and leveragin ...

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    Senior Fullstack Developer Reactjava Jobs in Buenos Aires Job Search Guide, Trends and Insights