112,567+ Remote Senior Pythonreact Fullstack Engineer Jobs in Argentina — Top Companies Hiring June 2026

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Senior Frontend Engineer — AI Interfaces & Design Systems

Bynd Limited is seeking a Senior Frontend Engineer in Buenos Aires to build high-performance, accessible user experiences. The role demands deep expertise in modern JavaScript and involves architecting design systems, implementing AI technologies, and collaborating with global teams. Candidates should have over ...

Senior Generative AI Backend Engineer Python&Microservices

Cross Border Talents busca un/a AI Engineer SSR para unirse a su equipo innovador en Buenos Aires. El rol implica el desarrollo de APIs y microservicios en Python, integración de modelos de lenguaje y optimización de rendimiento en Azure. Buscamos personas con experiencia en desarrollo backend, integración de mi ...

Senior Core Flutter Engineer (AI Tooling / Harness)

We are looking for a Senior Core Flutter Engineer to join a high-impact engineering initiative focused on AI tooling and harness capabilities for the mobile platform. In this context, a Flutter AI Harness is the control and context layer that transforms a generic AI into a Flutter specialist that understan ...

Senior AWS Cloud Platform Engineer (Data/ETL)

JPMorgan Chase & Co. is seeking an experienced Infrastructure engineer in Buenos Aires to join its Market Data Services team. This role focuses on building and maintaining AWS environments, configuring monitoring for cloud platforms, and extracting data from third-party sources. Candidates should have strong exp ...

Senior Python Microservices Engineer – AI & Data Analytics

A tech-focused company in Argentina is looking for a Sr Software Engineer to optimize building performance through AI and advanced analytics. You will develop Python microservices, maintain data pipelines, and collaborate cross-functionally. Must have 5+ years in backend development, strong REST API and Docker s ...

Senior Production Reliability Engineer AWS & Data Pipelines

JPMorgan Chase & Co. is looking for an experienced IT Manager in Buenos Aires to oversee the management of production and UAT environments and drive incident management. The ideal candidate will have over 5 years of experience in troubleshooting IT services, expertise in AWS services, and proficiency in monitori ...

Senior Data Engineer: Data Pipelines & Cloud Solutions

Dept Holding B.V. is seeking a Data Engineer in Buenos Aires to translate business objectives into data solutions. Ideal candidates will have over 3 years of programming experience, familiarity with MongoDB and Kafka, and 2+ years in data management tools. Responsibilities include identifying technical solutions ...

Senior iOS Engineer Build Scalable SwiftUI Features

GoFundMe in Buenos Aires is looking for a skilled iOS Software Developer with 5+ years of experience. You will drive architectural decisions, collaborate with product managers, and implement new features from scratch. The role offers competitive pay, comprehensive benefits, and growth opportunities in a diverse, ...

Senior Healthcare Full Stack Engineer: .NET & React

Internetwork Expert is seeking an experienced Full Stack Engineer for a long-term project with a US-based client in the healthcare domain. The role involves designing and maintaining applications using .NET and React or Angular, optimizing SQL Server queries, and developing RESTful APIs. Ideal candidates should ...

Senior QA Engineer Automation & CMS Testing Lead

Bynd Limited is looking for a Senior QA Engineer in Buenos Aires to ensure quality assurance for complex, AI-driven applications. This role requires expertise in automation frameworks and collaboration with global engineering teams. You will lead functional QA, develop automated test suites using tools like Cypr ...

Senior ML & MLOps Engineer – RAG, GenAI, Hybrid

ADN Recursos Humanos busca un profesional con más de cinco años de experiencia en ML/AI engineering y habilidades sólidas en Python para liderar la implementación de modelos ML en producción. La modalidad del trabajo es híbrida en Buenos Aires, y se requiere inglés técnico. El candidato ideal debe tener capacida ...

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 Frontend Engineer: Real‑Time Trading UI

Framework Ventures in Argentina is looking for a Senior Frontend Developer to enhance their platform. Responsibilities include creating innovative features for web applications, ensuring scalability, and debugging complex issues using advanced tools. The ideal candidate will have over 5 years of experience, be p ...

Senior Frontend Engineer: Real‑Time Trading UI

Framework Ventures in Argentina is looking for a Senior Frontend Developer to enhance their platform. Responsibilities include creating innovative features for web applications, ensuring scalability, and debugging complex issues using advanced tools. The ideal candidate will have over 5 years of experience, be p ...

Senior Frontend Engineer: Real‑Time Trading UI

Framework Ventures in Argentina is looking for a Senior Frontend Developer to enhance their platform. Responsibilities include creating innovative features for web applications, ensuring scalability, and debugging complex issues using advanced tools. The ideal candidate will have over 5 years of experience, be p ...

Senior Python Engineer – Hybrid AI/LLM Backend

Accusys Technology, ubicada en Buenos Aires, está buscando un/a Senior Python Engineer con 5 años de experiencia en desarrollo backend. El rol incluye diseñar aplicaciones robustas, colaborar con equipos interdisciplinares, e integrar APIs de modelos de lenguaje. Se ofrece un esquema de trabajo mixto y beneficio ...

Senior AI/ML Engineer: Document Intelligence & Compliance

Techunting is seeking a Senior AI/ML Engineer in Buenos Aires, Argentina to lead AI capabilities across projects. The ideal candidate will have 5 to 8 years of engineering experience, with expertise in Azure AI services and strong proficiency in Python. Responsibilities include building reusable AI skills, imple ...

Senior Flutter Platform Engineer: SDK & Dependency Upgrades

Somniosoftware is seeking a Senior Core Flutter Engineer to lead automation efforts for SDK and dependency updates in mobile development. You will be responsible for enhancing Flutter and Dart tooling, handling native iOS and Android dependencies, and creating CI/CD workflows. Ideal candidates have over 5 years ...

Senior CI/CD Engineer (Build Pipeline Automation)

We are looking for a Senior CI/CD Engineer to join a high-impact engineering initiative focused on improving a mature mobile build and release platform with real reliability and throughput challenges. This role is centered on reducing build time, stabilizing flaky delivery paths, and increasing release con ...

Senior Core Flutter Engineer (AI Tooling / Harness)

We are looking for a Senior Core Flutter Engineer to join a high-impact engineering initiative focused on AI tooling and harness capabilities for the mobile platform. In this context, a Flutter AI Harness is the control and context layer that transforms a generic AI into a Flutter specialist that understan ...

Senior Data Engineer Medallion Pipelines & Search (CDMX)

Avenga is looking for a Senior Data Engineer based in CDMX to build and optimize end-to-end data pipelines under a Medallion architecture. The ideal candidate has a Bachelor’s degree and at least 5 years of experience, with expertise in Cloudera and Spark. Responsibilities include designing data flows, building ...

Senior Full Stack Engineer (React/Redux, TypeScript)

We are seeking an experienced Full Stack Developer (React/Redux focused) to design, develop, and maintain large-scale single-page web applications. You will collaborate with cross-functional teams in an Agile or Scaled Agile environment, leveraging your expertise in React.js, TypeScript, and ...

Senior Software Engineer, Scalable SaaS & Big Data

A leading ad tech platform in Buenos Aires is seeking experienced developers to join their R&D team. The role involves designing and developing innovative products, participating in full-stack development, and deploying code to production continuously. Applicants should have at least 4 years of software developm ...

Senior Backend Engineer – Fintech Scale & Policy Automation

A fintech company based in Argentina is seeking a backend engineer with at least 6 years of experience in software engineering. The role involves designing and building scalable backend systems for financial transactions and collaborating with cross-functional teams to deliver optimal user experiences. The ideal ...

Senior Backend Engineer – Fintech Scale & Policy Automation

A fintech company based in Argentina is seeking a backend engineer with at least 6 years of experience in software engineering. The role involves designing and building scalable backend systems for financial transactions and collaborating with cross-functional teams to deliver optimal user experiences. The ideal ...

Senior Backend Engineer (Node.js & Python), Scalable APIs

A global technology group is seeking a high-velocity Senior Engineer to join their team in Buenos Aires. This role involves building and scaling digital products, with responsibilities that include owning backend features and maintaining APIs. The ideal candidate has deep expertise in Django, SQL, and NoSQL, and ...

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 ...

Senior Backend Engineer – Fintech Scale & Policy Automation

A fintech company based in Argentina is seeking a backend engineer with at least 6 years of experience in software engineering. The role involves designing and building scalable backend systems for financial transactions and collaborating with cross-functional teams to deliver optimal user experiences. The ideal ...

Senior AI/ML Engineer — Production LLM Orchestration

RYZ Labs is seeking a Senior / Lead AI/ML Engineer to design and implement production-grade conversational AI agents. The role requires proven experience with production LLM agents, strong Python expertise, and hands-on experience in AWS environments. Candidates will work closely with internal teams, contributin ...

Senior Backend Engineer AI Driven Mobile Apps

The Mobile-First Company in Buenos Aires is looking for a Backend Engineer to work closely with the CTO on building and enhancing backend systems for mobile-first applications. You will focus on developing scalable backend architecture using Kotlin, Java, Go, or Python. Candidates should have over 4 years of exp ...

Senior Java Backend Engineer (Spring Boot, Microservices)

Talentcross busca un/a Senior Java Developer en Buenos Aires. Este rol implica diseñar y mantener aplicaciones backend escalables, liderar decisiones técnicas y colaborar con equipos multidisciplinarios. Se requieren más de 5 años de experiencia en Java, dominio de frameworks como Spring, y buenas prácticas de d ...

Senior Full Stack Engineer — Treasury & Payments Platform

EPAM Systems is seeking a Senior Full-Stack Engineer in Argentina to lead Treasury technology initiatives, focusing on wire transfer processing and global bank account management. This position requires 3+ years of experience with Python, FastAPI, and React, along with proficiency in Docker. A collabor ...

Senior .NET Full Stack Engineer Azure & Cloud

Solvd in Ezeiza, Buenos Aires is seeking a Senior Full-Stack C#/.NET Engineer to develop a prototype for an insurance domain project. You will fork an existing .NET monolithic application, implementing architectural changes and preparing the application for cloud deployment. The ideal candidate has ove ...

Senior Marketing Operations Engineer, Ai & Automation (Morón)

Senior Marketing Operations Engineer, AI & Automation You will be the architect and operator of an AI‑first marketing stack, using cutting‑edge tools and Model Context Protocol (MCP) integrations, including Meta's MCP, to dramatically increase the efficiency of our campaigns and the velocity of ou ...

Senior Full Stack Engineer (React/Redux, TypeScript)

We are seeking an experienced Full Stack Developer (React/Redux focused) to design, develop, and maintain large-scale single-page web applications. You will collaborate with cross-functional teams in an Agile or Scaled Agile environment, leveraging your expertise in React.js, TypeScript, and ...

Senior Network Engineer – Data Center & Automation (Mendoza)

Acronis International is looking for a Senior Network Engineer to monitor and troubleshoot network issues in their data centers. The adecuado candidate will have over 5 years of experience in Network Operations, strong expertise with Juniper or Arista platforms, and solid knowledge of routing protoc ...

Senior Full Stack Engineer — Python & Next.js Expert

Minutentag in Argentina is looking for a Full-Stack Developer to enhance their digital auction and marketplace platform. You will design full-stack features, develop RESTful APIs, and create responsive user interfaces while collaborating with product and design teams. Adequate candidates should have ov ...

Senior Full Stack Engineer Python + TS/Next.js

En Baufest, buscamos un/a Full Stack Engineer (Python + TypeScript / Next.js) Sr para unirse a nuestro equipo en Rosario, Argentina. Esta posición implica implementar tanto el frontend como el backend, así como asegurar la calidad del código mediante pruebas y documentación. Ofrecemos un entorno dinámi ...

Senior Data Engineer Medallion Pipelines & Spark (Hybrid)

Avenga is seeking a Senior Data Engineer based in Buenos Aires to build and optimize end-to-end data pipelines using a Medallion architecture. The ideal candidate has over 5 years of experience, with expertise in Cloudera/Hadoop, Spark, and advanced SQL skills. This hybrid role emphasizes both traditio ...

Senior Full Stack Engineer (Python & React (Avellaneda)

We are seeking a Senior Full-Stack Engineer to drive Treasury technology initiatives, focusing on applications for wire transfer processing and global bank account management. This role is critical to ensuring accuracy, compliance and operational reliability in business-critical Treasury operations, with e ...

Senior Full Stack Engineer (Python & React (Merlo)

We are seeking a Senior Full-Stack Engineer to drive Treasury technology initiatives, focusing on applications for wire transfer processing and global bank account management. This role is critical to ensuring accuracy, compliance and operational reliability in business‑critical Treasury operations, with e ...

Senior Data Engineer: Scalable Cloud Pipelines & Security

A data-driven tech company in Buenos Aires seeks a Senior Data Engineer to develop and manage secure data pipelines. The ideal candidate has extensive experience with SQL, AWS Glue, and data security practices. Responsibilities include optimizing data warehouse solutions in Amazon Redshift and Google BigQuery, a ...

Senior Full Stack Engineer: Legacy Modernization & AI

Desde 2023, en Promtior impulsamos la adopción de inteligencia artificial generativa dentro de empresas que buscan trabajar de manera más eficiente, ágil y estratégica. Diseñamos y desarrollamos soluciones de IA a medida, acompañando a nuestros clientes desde la detección de oportunidades y el dise ...

Senior Full Stack Engineer Microsoft Legacy & Modernization

Desde 2023, en Promtior impulsamos la adopción de inteligencia artificial generativa dentro de empresas que buscan trabajar de manera más eficiente, ágil y estratégica. Diseñamos y desarrollamos soluciones de IA a medida, acompañando a nuestros clientes desde la detección de oportunidades y el dise ...

Senior Backend Engineer – Fintech Scale & Policy Automation

A fintech company based in Argentina is seeking a backend engineer with at least 6 years of experience in software engineering. The role involves designing and building scalable backend systems for financial transactions and collaborating with cross-functional teams to deliver optimal user experiences. The ideal ...

Senior Software Engineer, Core Experiences Córdoba, Argentina

Mission Speechify is the easiest way to listen to the world’s information. Articles on the web, documents in the cloud, books on your phone. We absorb it all and let you listen to it at your desk, on the go, at your own speed, and with tools that make learning easier, deeper, and faster. ...

Senior Full Stack ML Engineer & MLOps Leader

The Role We're looking for a Senior Full-Stack Engineer to join our full stack team, which handles everything from ETL processes and Data Science to MLOps, end-to-end. In this unique role, you'll be a technical linchpin and mentor, driving best practices across the complete machine learning lifecycl ...

Senior Java Backend Engineer | Spring Boot & AWS

GlobalLogic in Buenos Aires seeks a skilled Software Engineer with over 10 years in software development, primarily using Java and Spring Boot. Responsibilities include designing robust backend services, optimizing MySQL databases, and managing AWS applications. The role emphasizes mentorship and high-quality co ...

Senior Android Engineer Kotlin, API Driven Apps

Tata Consultancy Services (TCS) is looking for an Android Developer to design, develop, and maintain high-quality mobile applications for Android devices, ensuring optimal performance and user experience. If you are passionate about mobile development, Android technologies, an ...

Senior Go/React Engineer – Build Scalable Permissions

GlobalLogic, a Hitachi Group Company, is a trusted digital engineering partner to the world’s largest and most forward-thinking companies. Since 2000, we’ve been at the forefront of the digital revolution – helping create some of the most innovative and widely used digital products and exper ...

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    Remote Senior Pythonreact Fullstack Engineer Jobs in Argentina Job Search Guide, Trends and Insights