22,247+ Senior Fullstack Developer Reactjava Jobs in Buenos Aires, Argentina — Local Employers Hiring June 2026

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Senior Software Sales Executive Payments & Fintech Growth

ELDAR, ubicada en Zárate, Argentina, busca un Sales Executive SR para manejar cartera de clientes y buscar nuevos negocios en la industria de software de medios de pago. El candidato ideal será graduado o estudiante avanzado en Comercial o Marketing, con experiencia relevante en ventas. Se ofrecen exce ...

Senior Backend Engineer — GCP Data Migration Lead

AgileEngine, LLC in Argentina is seeking a Senior Backend Engineer to lead a critical migration from a monolithic database to multiple domain-specific data stores within Google Cloud Platform. The ideal candidate will have over 6 years of experience, focusing on data migration and proficiency in Kotlin ...

Senior Backend Engineer: Lead GCP Data Migration

Agileengine is seeking a Senior Backend Engineer based in Buenos Aires, Argentina, to lead the migration from a monolithic database to specialized data stores within the Google Cloud Platform. You will design data operations including backfills and Change Data Capture, with a focus on large-scale data migrati ...

Ingeniero Químico Senior Proyectos LNG y Compresión

GALILEO TECHNOLOGIES se encuentra en la búsqueda de un Ingeniero Químico para unirse a su equipo en Buenos Aires, especializado en proyectos del sector Oil & Gas. Las responsabilidades incluyen analizar requerimientos técnicos, desarrollar ingeniería y realizar simulaciones de procesos. Se requiere exp ...

Senior Backend Engineer: Lead GCP Data Migration

Agileengine is seeking a Senior Backend Engineer to lead the migration from a monolithic database to multiple domain-specific data stores within Google Cloud Platform. The ideal candidate will have extensive experience in data migration and proficiency in programming languages like Kotlin or Java. You ...

Senior Java Engineer with Azure (San Fernando)

We are looking for a Senior Java Engineer with strong backend development experience and solid knowledge of cloud-based architectures. The adecuado candidate should have hands‑on experience with Java, Spring Boot, microservices, and Azure. Responsibilities Design, develop, and maintain ...

Senior Enterprise Account Executive — Remote Fintech SaaS

AltScore, a dynamic fintech startup in Argentina, is seeking a driven Senior Account Executive to scale their impact in the enterprise SaaS sector. This role involves engaging high-value clients and developing effective sales strategies. The ideal candidate will have over 7 years of experience in enter ...

Senior Machine Learning Engineer (Lomas de Zamora)

Key Responsibilities As a Sr. Machine Learning Engineer, you'll lead the development and deployment of advanced ML models and scalable systems that power critical business decisions. Develop production-ready machine learning systems with robust testing and scalable architecture <l ...

Senior Data Analyst, Growth Analytics (San Miguel)

About CookUnity Food has lost its soul to modern convenience. And with it, it has lost the power to nourish, inspire, and connect us. So in 2018, CookUnity was founded as the first‑of‑its‑kind platform that connects the world with the source of truly great food: chefs. Today, CookUnity delivers 50 million ...

Senior Java Engineer With Azure (La Plata)

We are looking for a Senior Java Engineer with strong backend development experience and solid knowledge of cloud-based architectures. The adecuado candidate should have hands‑on experience with Java, Spring Boot, microservices, and Azure. Responsibilities Design, develop, and m ...

Senior Cloud Migration And Infrastructure Engineer (Quilmes)

We are seeking a Senior Cloud Migration and Infrastructure Engineer to lead infrastructure workstreams for M&A integrations, driving Day 1 readiness, post-close execution and operational handover. This role combines strategic planning with hands‑on technical leadership across networking, identity, cloud pl ...

Senior Data Analyst — Looker & Cloud Analytics Leader

Qodea is seeking a Senior Data Analyst to join our Professional Services team in Argentina. You will leverage your cloud technology skills to solve complex customer-facing challenges, contribute to data analytics platform modernization, and manage project execution effectively. The ideal candidate has ...

Senior AI Automation & Systems Architect GoHighLevel Expert

About Huzzle At Huzzle, we connect high-performing B2B sales professionals with global companies across the UK, US, Canada, Europe, and Australia. Our clients include startups, digital agencies, and tech platforms in industries like SaaS, MarTech, FinTech, and EdTech. We match top sales talent to ...

Senior Backend .NET + Salesforce API Expert Remote

Una empresa de tecnología en Argentina busca un Senior Backend Engineer con más de 8 años de experiencia en .NET / C#. El candidato ideal contará con experiencia en integraciones con Salesforce y habilidades en el desarrollo de APIs escalables. Este rol ofrece un salario promedio de USD 4,500 y la modalidad de t ...

Remote Senior Python Backend Engineer FinTech Billing

A leading insurance technology company is seeking a Senior Python Backend Engineer to enhance financial systems for Property & Casualty carriers. This fully remote position requires expertise in Python, Django, and financial applications. Responsibilities include leading development on billing and payment module ...

Senior SAP HCM Consultant — Remote Part Time

Una empresa líder en servicios de tecnología busca un Consultor SAP HCM (Sr) para trabajo remoto a tiempo parcial en Buenos Aires. Se requieren 5 años de experiencia y habilidades en soporte de módulos PY y TM en S/4HANA. Se ofrecen beneficios como seguro médico, días libres y descuentos exclusivos en capacitaci ...

Semi Senior DevOps Engineer AWS, GitOps & Observability

Una empresa argentina de tecnología está buscando un Ssr DevOps Engineer para unirse a su equipo. El candidato ideal cuenta con más de 3 años de experiencia en infraestructura AWS, incluyendo EKS, Cognito y Lambda, así como configuraciones en Kubernetes y CI/CD. Se ofrece un ambiente flexible y remoto, con vacac ...

Senior Angular Frontend Engineer Own Architecture & Impact

Brightside IT Consulting busca Frontend Engineers Senior en Buenos Aires, Argentina, para un proyecto a corto plazo de 3 a 6 meses. Se requiere experiencia sólida en Angular 18+ y una fuerte capacidad para tomar decisiones técnicas en un entorno ágil. Los candidatos deberán demostrar autonomía y habili ...

Líder Senior SAP Analytics — Remoto, Impacto Global

Una consultora de tecnología líder en Buenos Aires busca un Consultor Líder SAP Analytics (Sr). Se requiere experiencia mínima de 5 años en el área y la posibilidad de trabajar en modalidad Remota. Se ofrecen beneficios como ajustes salariales trimestrales, prepaga de primer nivel, pago de guardería y más. Los c ...

Remote Senior Python Backend Engineer (NLP & Data)

Una empresa de desarrollo de software busca un Desarrollador Python con experiencia para unirse a su equipo. El candidato ideal debe tener entre 6-8 años de experiencia en el desarrollo de aplicaciones backend, especialmente en la creación y mantenimiento de APIs REST. Se ofrece un entorno de trabajo remoto y fl ...

Senior Architect for Digital Products US Market

En Baufest estamos buscando un Senior Architect para Digital Products con experiencia comprobada en la entrega de productos digitales para clientes en Estados Unidos. Esta posición requiere liderar la definición, entrega e implementación de Digital Products en el mercado de EE. UU., garanti ...

Senior React Native Architect — Cross Platform Mobile

A leading customer operations platform in Argentina is seeking an experienced Software Engineer to enhance their React Native mobile app for both Android and iOS. The role involves building and maintaining the codebase while improving user experience and performance. Ideal candidates will have a strong backgroun ...

Senior React Native Architect — Cross Platform Mobile

A leading customer operations platform in Argentina is seeking an experienced Software Engineer to enhance their React Native mobile app for both Android and iOS. The role involves building and maintaining the codebase while improving user experience and performance. Ideal candidates will have a strong backgroun ...

Senior Security Infrastructure Engineer — Cloud, SIEM & Automation

A leading fintech company is looking for a Senior Security Infrastructure Engineer to enhance security for cloud infrastructure and applications. The role requires 6+ years of experience in security and hands-on skills with AWS and Kubernetes. Responsibilities include managing vulnerabilities, incident response, ...

Senior PHP Architect – Remote, Build Scalable CRM

A global digital solutions company is seeking a Senior/Principal PHP Engineer for a full-time remote position in Argentina. The ideal candidate will have 7-10 years of experience in PHP, capable of developing complex web applications and optimizing them effectively. Responsibilities include delivering new featur ...

Remote Senior Frontend Engineer GraphQL & AI Tools

Svitla Systems is searching for a Senior Front End Engineer for a full-time remote position in Argentina. The successful candidate will integrate APIs using GraphQL and Apollo Client, while supporting analytics teams in project execution. The ideal candidate should have solid knowledge of HTML and CSS ...

Senior Remote AI/ML Strategy & Delivery Leader

Caylent is seeking a Senior Machine Learning Engineer to lead a team in Buenos Aires, enhancing client strategies using AWS. The ideal candidate will have over 10 years of AI experience and strong management skills. Responsibilities include customer engagement and driving pre-sales efforts. This positi ...

Senior iOS Engineer: Build Global Social Experiences

Gramian Consulting is seeking an iOS Engineer to contribute to the development of features for a leading social media platform. This role involves designing and building iOS applications that serve millions of international users and requires strong communication and technical skills. The ideal candida ...

Senior Backend Engineer GCP Data Migration & Dataflow

AgileEngine in Buenos Aires is seeking a Senior Data Migration Expert to lead the migration to multiple domain-specific data stores on Google Cloud Platform. You will implement complex data operations while leveraging your expertise in GCP technologies, especially Datastream and Dataflow. With a people ...

Senior AI Platform Engineer — Production AI Systems

Supernal AI in Buenos Aires is looking for a Senior AI Platform Engineer to build production software powering AI Employees. You will design, implement, and deliver core software foundations while ensuring successful customer outcomes in production. The ideal candidate has over 4 years of experience in ...

Senior SecOps Lead: SIEM & SOAR Adoption (LATAM)

EPAM Systems is looking for a Senior SecOps Engineering Manager based in Buenos Aires, Argentina, to lead LATAM clients in SIEM and SOAR adoption. The position entails managing client accounts, implementing effective onboarding strategies, and ensuring optimal security operations outcomes. The ideal ca ...

Senior Java Backend Architect – Spring, GraphQL, Kubernetes

Ciklum is seeking a Senior Java Engineer to join their team in Argentina. This role involves taking ownership of the full software development lifecycle, where you will design and develop robust backend systems using Java and Spring Framework for an international partner in the ticketing industry. The ...

Senior Web Designer: Growth Driven Branding & UX

Willow Health in Buenos Aires is seeking a Senior Web Designer to create impactful digital experiences. This role focuses on designing responsive, conversion-driven web experiences, particularly marketing landing pages and brand execution. Collaboration with various teams is crucial to align design decisions ...

Senior Cloud Migration And Infrastructure Engineer (Pilar)

We are seeking a Senior Cloud Migration and Infrastructure Engineer to lead infrastructure workstreams for M&A integrations, driving Day 1 readiness, post-close execution and operational handover. This role combines strategic planning with hands-on technical leadership across networking, identity, c ...

Remote Senior Frontend Engineer GraphQL & AI Tools

Svitla Systems is seeking a Senior Front End Engineer for a full-time remote position in Argentina. The role involves integrating APIs using GraphQL and Apollo Client while supporting analytics teams and project execution. Ideal candidates should have solid HTML and CSS knowledge, along with a preferen ...

Senior Graphic Designer — Remote, Flexible Hours, PTO

Verve Studios is seeking an experienced graphic designer to join its remote team in Buenos Aires. The role involves designing apps, websites, and various graphic materials while collaborating with the Head of Design and two other designers. Applicants should be proficient in Figma, possess strong UX an ...

Remote Senior Regulatory Medical Writer | Lead & Mentor

Syneos Health is seeking a Sr Regulatory Medical Writer in Buenos Aires, Argentina, to lead writing projects and mentor less experienced team members. This role focuses on managing medical writing activities, developing critical documents for clinical studies, and ensuring compliance with regulatory standards ...

Senior Go Backend Engineer for Distributed Systems

Nosotros in Buenos Aires is seeking an experienced Backend Engineer with strong expertise in Golang and distributed systems. You will be responsible for developing and maintaining highly available backend services and implementing REST APIs. The ideal candidate should have over 5 years of experience, t ...

Senior Backend Engineer Data Migration Lead (GCP)

AgileEngine, LLC in Argentina is seeking a Senior Backend Engineer to lead a critical migration from a monolithic database to multiple domain-specific data stores within Google Cloud Platform. The ideal candidate will have over 6 years of experience, focusing on data migration and proficiency in Kotlin or Jav ...

Senior DevOps Engineer: CI/CD, Cloud & Observability

Avenga is hiring a Senior DevOps Engineer in Berazategui, Argentina, to enhance the team's capabilities in designing and optimizing CI/CD pipelines and cloud infrastructure. This role involves ensuring high-quality implementations and collaborating with IT and Security teams. The ideal candidate will h ...

Senior AI Infra Engineer — Rust & Scalable Systems

Kraken is looking for an experienced engineer to join the AI Infrastructure team in Buenos Aires, Argentina. This role is crucial for designing and building the infrastructure layer for AI agents and developing high-performance Rust services. The ideal candidate should have over 5 years of experience i ...

Senior Software Sales Executive – Payments & FinTech LATAM

ELDAR busca a un Ejecutivo de Ventas SR en Buenos Aires para unirse a su equipo en soluciones de software para la industria de medios de pago. El rol implica manejar una cartera de clientes propia, buscar nuevos negocios y realizar presentaciones de servicios. Se requiere experiencia en ventas de servicios de ...

Arquitecto Senior de Redes y Conectividad Híbrido

HeyClue en Argentina busca un competente para administrar su red, asegurando su estabilidad y operabilidad. El puesto involucra la gestión de redes LAN, WAN y SD-WAN, así como el manejo de incidentes críticos y el mantenimiento preventivo de equipos. Se valoran habilidades analíticas y auto-organizació ...

Senior Software Engineer: Java/React + AWS, Autonomy

Globallogic is seeking a Senior Software Engineer skilled in Java, AWS, and React. The role focuses on end-to-end backend development, API design, and database management, contributing to impactful projects within a culture of caring. With a strong emphasis on technical autonomy, you'll lead projects f ...

Senior Go & React Engineer – Remote, Flexible Hours

Bluelight Consulting LLC, a leading software consultancy in Argentina, is seeking skilled Senior-level software engineers with proficiency in Go (Golang) and React, along with experience in data processing with Python and familiarity with Google Cloud Platform. The position offers a competitive salary, flexible ...

Senior Accounting Specialist IFRS | Multi Entity Expert

EBANX is seeking a Senior Accounting Specialist in Argentina to ensure accuracy and reliability of financial information. You will lead critical accounting activities, oversee month-end and year-end closes, and support audit processes. The ideal candidate has a Bachelor's degree in Accounting and 5+ years of rel ...

Ejecutivo Comercial Senior (Remoto) Segmentos Corporate & Leisure

Hotel 4 estrellas en Puerto Madryn El puesto de Ejecutivo Comercial para un hotel, especialmente bajo modalidad remota, es el motor que genera ingresos por fuera de lo que entra solo por las plataformas como Booking o Despegar. Su función principal es salir a buscar el negocio de for ...

Senior Go & React Engineer – Remote, Flexible Hours

Bluelight Consulting LLC, a leading software consultancy in Argentina, is seeking skilled Senior-level software engineers with proficiency in Go (Golang) and React, along with experience in data processing with Python and familiarity with Google Cloud Platform. The position offers a competitive salary, flexible ...

Remote Senior Full Stack Engineer (Laravel & React)

About Curotec We are a globally leading software services company specializing in developing enterprise-level projects for clients worldwide.Our team is a unique blend of diverse skill sets, cultures, and backgrounds—a true melting pot of talent. One of the most rewarding aspects ...

Senior Laravel/Vue Full Stack Engineer Remote

About Curotec We are a globally leading software services company specializing in developing enterprise-level projects for clients worldwide.Our team is a unique blend of diverse skill sets, cultures, and backgrounds—a true melting pot of talent. One of the most rewarding aspects ...

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