27,768+ Senior Fullstack Developer Reactjava Jobs in Buenos Aires, Argentina — Local Employers Hiring June 2026

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Demo Platform Engineer Automate Demos & Innovate

A leading cloud software company based in Buenos Aires is seeking a talented Solution Developer to enhance its Demo Platform. The successful candidate will collaborate closely with Product Managers to design innovative features and utilize Salesforce APIs for automation. Responsibilities include ensuring the qua ...

Remote Monday.com Implementation Consultant (Part Time)

A certified monday.com partner is seeking a technically strong Implementation Consultant. This fully remote role focuses on working directly with clients to design and deploy monday.com solutions. Ideal candidates will have developer-level experience in monday.com and 2+ years in SaaS implementation. Responsibil ...

Full Stack Engineer: Build Modern, Secure Web Apps

A leading software development company in Buenos Aires is seeking a skilled application developer. The role involves developing and maintaining web applications using React.js and Node.js, implementing RESTful APIs, and providing production support. Candidates should be fluent in Spanish and professional in Engl ...

Remote Full Stack Engineer: Golang & React for AI Growth

A leading consumer tech platform is seeking a talented frontend developer to join their remote team. The role focuses on advanced frontend development with strong proficiency in React and Next.js. Responsibilities include building high-quality user interfaces and effectively handling API integrations. The compan ...

Senior Backend Engineer — AI‑Native Event Platform (On‑Site BA)

A forward-thinking tech company in Buenos Aires is looking for a talented backend developer. In this role, you will build user-facing features, improve database performance, and enhance observability and monitoring. The ideal candidate will enjoy interesting work, and competitive compensation, including a mix of ...

GenAI Backend Engineer – Cloud & AI APIs

A global technology services provider is looking for an experienced Backend Developer – GenAI Projects in Buenos Aires. This role focuses on designing backend solutions utilizing Generative AI technologies. Ideal candidates should have over 3 years of backend development experience with proficiency in Python or ...

Demo Platform Engineer (Solutions & AI)

A leading technology company is seeking a Solution Developer for their Demos team based in Buenos Aires, Argentina. The role involves collaborating with Product Managers to design new features for demo environments, innovating solutions through Salesforce APIs, and ensuring high-quality deliverables. Candidates ...

Backend API Engineer — Swift/Vapor, Scalable Systems

A leading software development company in Argentina is seeking a skilled backend developer. This role involves creating and maintaining software documentation, integrating third-party APIs, and optimizing web applications for performance. Candidates should have a strong backend development background, with profi ...

B2B Growth Architect for US Accounts

A leading technology and AI company in Buenos Aires is looking for a Business Developer Market to drive prospects through multi-channel strategies. The ideal candidate will have 2+ years of B2B outbound experience with a strong background in technology services. You will also create and optimize outreach using G ...

Desarrollador/a de Negocios con Impacto Social – Remoto

Una organización dedicada a la inclusión social busca un Business Developer en Buenos Aires. El rol incluye liderar el posicionamiento, expandir la red de clientes, y desarrollar estrategias para la satisfacción del cliente. Se ofrece un horario flexible, trabajo remoto, 21 días de vacaciones, y beneficios adici ...

Senior Backend Engineer AI Driven Platform

A leading animation app company in Argentina is seeking a Backend Developer to own high-impact backend systems and influence technical decisions. The ideal candidate has over 5 years of experience with AWS, strong Node.js skills, and knowledge of modern React frameworks. You will work on innovative projects that ...

Node.js/TypeScript Backend Engineer Microservices & AWS

A technology company in Buenos Aires is looking for a skilled Backend Developer with expertise in Node.js and TypeScript. As a key member of the team, you will design and maintain scalable backend applications and participate in architectural decisions focusing on microservices. Candidates should have over 4 yea ...

Senior Remote Full Stack Laravel & React Engineer

Bluelight Consulting LLC is seeking a skilled software developer with 4+ years of Laravel experience in Córdoba, Argentina. The role focuses on delivering high-quality applications and fostering a positive, collaborative environment. Candidates should have expertise in Laravel 8+, Eloquent ORM, and frontend tech ...

Senior Full Stack Engineer (React+Java) — HealthTech Impact

Eleks is looking for an experienced Frontend Developer in Buenos Aires, Argentina, to work on complex features with a focus on performance and availability. The role requires 5+ years of frontend development experience, particularly hands-on with React and Java (Spring). You'll be involved in designing maintaina ...

Remote Windows App & Partner Engineer

SOUTHWORKS is looking for a Windows Application Developer - Partner Engineer to join their Windows Ecosystem Enablement team. This remote role requires a strong understanding of packaging and integration into the Windows ecosystem, with 5+ years of experience in desktop software distribution. Responsibilities in ...

Senior iOS Engineer — Swift, SwiftUI, Code Quality

A technology company is seeking an experienced iOS Developer to implement scalable applications using Swift and Objective-C. You will be responsible for coding, debugging, and collaborating with cross-functional teams to deliver high-quality projects. Candidates must hold a degree in Computer Science and have ov ...

Hyperautomation & Automation Engineer (n8n)

Baufest está buscando un/a Automation & Hyperautomation Developer (n8n) en Argentina para unirse a su equipo. El rol implica diseñar, desarrollar e implementar flujos de automatización, integrar APIs y mejorar procesos de negocio. Se valorará experiencia con n8n y otras herramientas de automatización. Ofrecen be ...

Java Backend Engineer: Cloud Native Microservices (AWS)

Cross Border Talents busca un/a Java Backend Developer para unirse a su equipo en Buenos Aires. Aportarás entre 3 a 5 años de experiencia en desarrollo backend con Java 17+ y Spring Boot, así como sólidos conocimientos en AWS, Docker y Kubernetes. Las responsabilidades incluyen diseñar microservicios escalables, ...

iOS Engineer — Native Swift, Agile Team (Buenos Aires/Córdoba)

Avenga is seeking an experienced iOS Developer to be based in Buenos Aires or Córdoba, Argentina. This role involves designing and implementing features to enhance user experience and requires collaboration with a multidisciplinary Agile team. The ideal candidate has 3+ years of experience with native ...

Senior .NET Full Stack Engineer: Modernize Monolith & Azure

Solvd is looking for a skilled .NET Developer in Buenos Aires with over 5 years of experience in C#/.NET development. The candidate will fork and set up an existing .NET application, implement adjustments, and ensure full deployment in Azure. The ideal applicant has strong expertise in monolithic archi ...

Senior Python & React Full Stack Engineer Remote

Intellectsoft is looking for an experienced software developer in Buenos Aires, Argentina, to create scalable backend services with Python and FastAPI. Candidates must have over 7 years of experience in software development, with strong expertise in Python (5+ years) and React.js (3+ years). This role ...

Senior Backend Engineer: Scale, APIs & Event Driven Systems

Werben Hr está buscando un/a Backend Developer para unirse a un equipo técnico desafiante. El rol implica diseñar, desarrollar y mantener servicios backend escalables, participar en decisiones de diseño técnico, y asegurar la calidad a través de colaboración cross-team. Buscamos un perfil con experienc ...

Remote Senior Backend Engineer — Scale SaaS & Mentor

Velozient in Argentina is seeking a full-time remote Agentic Developer with over 8 years of software development experience. The role involves building and enhancing a mission-critical SaaS platform, designing scalable systems, and contributing to architectural decisions. Strong English communication s ...

Remote Blockchain Engineer: Solidity & TS — Equity

Silver.dev, a leading blockchain company in Argentina, is seeking an experienced software developer to join their remote team. You will develop new features using Node.js and TypeScript, design and deploy Solidity smart contracts, and contribute to CI/CD processes. The ideal candidate should have over ...

Senior Frontend Engineer | React/Node & Agile

Werben HR busca un Developer Frontend en Buenos Aires. El candidato diseñará y desarrollará aplicaciones desde cero, asegurando el cumplimiento de objetivos y colaborando en equipos multidisciplinarios con metodologías ágiles. Es necesario contar con más de 5 años de experiencia en desarrollo de aplica ...

Senior Backend Engineer Remote Architecting Scalable SaaS

Velozient in Argentina is seeking a full-time remote Agentic Developer to contribute to a mission-critical SaaS platform. The ideal candidate should have over 8 years of experience in .NET, C#, Python, and Node.js. The role demands designing scalable systems, taking part in architectural decisions, and ...

Remote Business Development & Lead Gen Specialist

Uptalent.io is seeking a motivated Business Developer and Lead Generation Specialist to join their team, focusing on the AEC sector and generating business opportunities primarily in the Civil Engineering industry. The ideal candidate will engage potential clients, utilize various strategies for lead g ...

Desarrollador Android: Innovar y Optimizar Apps Móviles

Tata Consultancy Services busca un/a ANDROID DEVELOPER para unirse a su equipo en Buenos Aires, Argentina. El candidato ideal tendrá experiencia en el desarrollo de aplicaciones Android y una sólida comprensión de Kotlin y Espresso. Será responsable de diseñar y construir aplicaciones avanzadas, colabo ...

Backend .NET/C# Engineer Cloud APIs & Payments

Betsson Group in Buenos Aires is seeking a Backend Developer to design and maintain server-side applications. This role involves working with technologies like .NET, SQL, and cloud services such as AWS or Azure. The ideal candidate will have experience in backend development, RESTful APIs, and strong p ...

Remote Senior Backend Engineer — Scale SaaS & Mentor

Velozient in Argentina is looking for a full-time, remote Agentic Developer with over 8 years of experience in technologies like .NET, C#, Python, or Node.js. You will contribute to a mission-critical SaaS platform, focusing on enhancing core product capabilities. Your responsibilities include designin ...

Remote Blockchain Engineer — Solidity/TypeScript & Equity

Silver.dev, a leading blockchain company in Argentina, seeks an experienced software developer to join their remote team. You will develop new features using Node.js and TypeScript, design and deploy Solidity smart contracts, and contribute to CI/CD processes. The ideal candidate should have over 5 yea ...

Remote Android Kotlin Engineer Build High Performance Apps

Rehire, a technology support company, is seeking an experienced Android Mobile Developer for a fully remote position. The role requires strong expertise in Kotlin and Android development. Responsibilities include developing and maintaining high-performance Android applications, collaborating with inter ...

Remote Blockchain Engineer: Solidity & TS — Equity

Silver.dev, a leading blockchain company in Argentina, is seeking an experienced software developer to join their remote team. The ideal candidate will develop new features using Node.js and TypeScript, design and deploy Solidity smart contracts, and contribute to CI/CD processes. With over 5 years in ...

Remote Senior Backend Engineer — Scale SaaS & Mentor

Velozient in Argentina is seeking a full-time remote Agentic Developer to contribute to a mission-critical SaaS platform. Candidates should have over 8 years of experience in .NET, C#, Python, Node.js, or similar technologies, along with excellent English communication skills. The role involves designi ...

GenAI Backend Engineer Cloud & AI APIs (Flexible)

Kyndryl is seeking an experienced Backend Developer for GenAI Projects in Buenos Aires. This role will focus on designing backend solutions utilizing Generative AI technologies, playing a crucial part in enhancing client operations. Qualified candidates should possess over 3 years in backend developmen ...

Backend Integration Engineer — Python & Java

Werben HR is seeking a Backend Integration Developer to work in an Agile team focused on developing and supporting data integration solutions with major ERP platforms. The candidate should have strong skills in Python and Java, possess a self-motivated, independent work ethic, and effectively collaborate with ...

Production AI & LLM Engineer: End to End Pipelines

OneSeven Tech (OST) in Lomas de Zamora is seeking an experienced AI developer to own end-to-end development of AI features. The role requires strong Python engineering skills, experience with LLM APIs, and practical knowledge of AWS Lambda. As part of a dynamic team, you will automate workflows, build ...

Senior Backend Engineer Remote Architecting Scalable SaaS

Velozient in Argentina is seeking a full-time remote Agentic Developer with over 8 years of experience to contribute to a mission‑critical SaaS platform. The ideal candidate will focus on building and enhancing core product capabilities while mentoring other engineers. Key responsibilities include desi ...

Remote Senior Backend Engineer — Scale SaaS & Mentor

Velozient in Argentina is seeking a full-time, remote Agentic Developer with over 8 years of experience in .NET, C#, Python, or Node.js. This role involves contributing to a mission-critical SaaS platform, focusing on building and enhancing core product capabilities. Responsibilities include designing ...

Senior Backend Engineer Remote Architecting Scalable SaaS

Velozient in Argentina is looking for a full-time remote Agentic Developer with over 8 years of experience in .NET, C#, Python, or Node.js. The role involves contributing to a mission-critical SaaS platform, focusing on designing scalable systems and mentoring engineers. The ideal candidate will have e ...

Senior Backend Engineer SaaS/AI, Remote & Mentorship

Velozient in Argentina is looking for a full-time, remote Agentic Developer with over 8 years of experience in .NET, C#, Python, Node.js, or similar. You will contribute to a mission-critical SaaS platform, focusing on building and enhancing core product capabilities. The role includes designing scalab ...

Remote Android Engineer – LATAM, Data‑Driven & Hardware‑Focused

Zarego, a passionate team of developers, seeks an experienced Android Developer for remote work across LATAM. In this role, you'll develop and maintain high-quality Android native applications, ensuring data accuracy and enhancing app functionalities over time. Ideal candidates will have a solid backgr ...

Senior React Native Engineer Mobile Banking App

Baufest busca un/a React Native Developer SSr para unirse a su equipo en Buenos Aires. Esta posición implica desarrollar y mantener aplicaciones mobile, colaborando en la arquitectura y asegurando la calidad del código. Los candidatos deben tener experiencia con React Native, TypeScript y APIs REST, ad ...

Integrations Engineer SaaS & API Solutions

Toolbox OTT in Argentina is seeking an Integrations Developer to incorporate new clients into its SaaS solutions effectively. This role requires strong communication skills and technical expertise, focusing on creating and maintaining integration pipelines. The ideal candidate should be proactive, poss ...

Backend Engineer, Wallets: Scalable & Secure Microservices

Framework Ventures in Argentina is seeking a skilled backend developer to create robust, scalable, and secure backend solutions. The candidate will contribute to groundbreaking projects and ensure services remain responsive as the platform grows. Successful candidates will have expertise in Node.js and ...

Remote Laravel & React Engineer — Growth & Flex Hours

Bluelight Consulting in Buenos Aires is looking for a skilled developer with extensive experience in Laravel (version 8 and above) and proficiency in testing tools such as Pest PHP and PHPUnit. The ideal candidate will work in a dynamic environment, contributing to meaningful projects while also enjoying competi ...

Remote Laravel & React Engineer — Growth & Flex Hours

Bluelight Consulting in Rosario, Argentina is seeking a skilled software developer with over 4 years of experience in Laravel, particularly Laravel 8 and above. This role allows you to thrive in a dynamic environment and work on impactful, high-quality applications. Competitive salary, generous paid-time-off, fl ...

Remote Laravel & React Engineer — Growth & Flex Hours

Bluelight Consulting in Buenos Aires is seeking a skilled software developer with at least 4 years of experience in Laravel development. You will work in a collaborative environment developing high-quality applications that meet client needs. The position offers competitive salary, flexible working hours, and op ...

Remote Laravel & React Engineer — Growth & Flex Hours

Bluelight Consulting, a leading software consultancy in Buenos Aires, is looking for a skilled Laravel developer with at least 4 years of experience, particularly with Laravel 8 and above. The role offers competitive salary and bonuses, a generous paid-time-off policy, flexible working hours, and the option to w ...

Senior Backend Engineer: Hybrid, Scalable, Product Driven

Inviu busca un Backend Developer en Buenos Aires para unirse a su equipo en crecimiento. Con más de 5 años de experiencia en Java y habilidades en escalabilidad, transformarás la visión del producto en aplicaciones eficientes para diversos usuarios. Requerimos conocimientos en patrones de diseño y un e ...

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