68,267+ Senior Remote Fullstack Engineer Pythonreact Jobs in Argentina — Top Companies Hiring June 2026

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Senior Backend Engineer (Adtech) Id52365 (Bahía Blanca)

What you will do Architect, build, and evolve core systems for the Ads platform Design APIs and services supporting campaign management, targeting, delivery, attribution, and reporting Build and optimize high-throughput, low-latency systems processing large volumes of events ...

Senior QA Engineer (San Miguel de Tucumán)

About The Job AOA is seeking a collaborative and detail-oriented Senior QA Engineer to guide our QA processes and champion the integration of AI into our quality assurance practices. You'll play a key role in delivering exceptionally high-quality and performant applications while working closely w ...

Senior Electrical Engineer Data Center Power Architect

Uptalent.io is looking for a Senior Electrical Engineer to design the electrical architecture of modular data center power systems. The role is crucial for the integration of critical electrical infrastructure including UPS systems, power distribution units, and generators. With a requirement of a Bach ...

Senior QA Automation Engineer – UI (Bahía Blanca)

Backblaze is seeking a Senior QA Automation Engineer to ensure quality, reliability, and scalability of its products. The idóneo candidate will own end-to-end testing for UI and API, collaborate closely with product and engineering teams, and advocate for testability throughout the software. Respon ...

Senior Endpoint Engineer — Azure VDI & Intune Lead

EPAM Systems is seeking a Lead Endpoint Engineer to join their innovative team in Argentina. This role focuses on designing and supporting Azure Virtual Desktop and Microsoft Intune environments. The ideal candidate has over 5 years of experience with Microsoft Intune, strong leadership skills, and expertise ...

Senior PSA Engineer Nuclear Safety & Risk Analytics

SNC Lavalin is looking for an experienced engineer in Buenos Aires, Argentina, to conduct probabilistic safety assessments for CANDU nuclear power plants. The ideal candidate will have over 10 years of experience and strong knowledge of safety systems. You will work closely with clients, ensuring safe ...

Senior Software Engineer Scalable SaaS & Big Data

Innovid is the leading independent omnichannel ad tech platform, empowering marketers to create, deliver, measure, and optimize ad-supported experiences that people love. In 2025, Innovid and Flashtalking merged to create a transparent, scalable alternative to big-tech, walled-gardens, and point solutio ...

Senior Backend Engineer AI Driven Fintech Platform

Crew is seeking a Senior Backend Engineer for its LATAM engineering team in Buenos Aires, Argentina. The role involves designing and building backend systems that support a financial platform, focusing on payments and compliance. The ideal candidate will have strong backend engineering skills and exper ...

Senior Python Engineer — Build Scalable, Impactful Apps

Overview Lean Improvements, una empresa líder en el sector del desarrollo de software en Argentina, busca un Senior Dev con experiencia en Python y React. Te unirás a un equipo pequeño, donde la mejora continua es la clave de nuestro éxito. Buscamos a alguien que comparta nuestra pasión por la inn ...

Senior Node/TS/Python Backend & Integration Engineer

C&D Talent Advisory is seeking a Senior Backend Engineer for a fast-growing healthcare AI company based in Buenos Aires, Argentina. The ideal candidate will design scalable integration systems and develop backend services with technologies like Node.js, TypeScript, and Python. This remote position offers a sa ...

Senior Golang Backend Engineer Distributed Systems Expert

Nosotros, located in Buenos Aires, is looking for a highly skilled Backend Engineer with strong expertise in Golang and distributed systems. The ideal candidate will play a key role in developing and maintaining high-availability Golang backend services and implementing REST APIs while integrating systems usi ...

Senior MacOS Internals Lead Engineer (Ramos Mejía)

We're looking for a Senior macOS Internals Lead Engineer to drive the development of low-level security and compatibility functionality. You will lead a team of exceptional engineers while remaining deeply hands‑on—writing code, reverse engineering OS behavior, and directly owning key system‑level componen ...

Senior MacOS Internals Lead Engineer (Florencio Varela)

We're looking for a Senior macOS Internals Lead Engineer to drive the development of low-level security and compatibility functionality. You will lead a team of exceptional engineers while remaining deeply hands‑on—writing code, reverse engineering OS behavior, and directly owning key system-level componen ...

Senior Node/TS/Python Backend & Integration Engineer

C&D Talent Advisory is seeking a Senior Backend Engineer for a fast-growing healthcare AI company based in Buenos Aires, Argentina. The ideal candidate will design scalable integration systems and develop backend services with technologies like Node.js, TypeScript, and Python. This remote position offers a sa ...

Senior SQL Data Engineer (General San Martín)

Svitla Systems is seeking a Senior SQL Data Engineer for a full-time position in Argentina. You will utilize your 8+ years of SQL development experience to design complex queries and lead data integration efforts to ensure high performance. As part of a leading utility software solutions company, yo ...

Senior Go Engineer Build Robust Microservices (Jujuy)

TrueML Technology is seeking a Senior Engineer I to join their Communications team in San Salvador de Jujuy, Argentina. This role focuses on developing the company's communication infrastructure, where strong analytical skills are essential for solving complex challenges and ensuring robust systems. Th ...

Senior Azure Data Engineer: Pipelines & Governance Lead

Keste is seeking a Senior Data Engineer in Buenos Aires to lead the design and implementation of advanced data solutions. You will play a key role in developing data processing frameworks, optimizing performance, and ensuring data governance. The ideal candidate has a bachelor's degree in a relevant fi ...

Senior Rust AI Infra Engineer — Scalable Systems

Kraken is seeking an experienced engineer to join the AI Infrastructure team in Argentina. This role involves designing and building the infrastructure layer for AI agents, developing high-performance Rust services, and architecting scalable systems for millions of users. The adequate candidate should ...

Senior Web Engineer — AI Powered Marketing Frontend

Dialpad is seeking a Sr. Web Engineer to join their Marketing Web team in Buenos Aires, Argentina. In this role, you will leverage your 5+ years of engineering experience to develop AI-powered automations and improve customer journey through seamless integration of marketing, sales, and product platforms. Respon ...

Senior React Native Mobile Engineer — Flexible Hours

Bluelight Consulting is looking for an experienced React Native Developer to join our team in Buenos Aires. The ideal candidate should have at least 4 years of mobile application development experience for both iOS and Android. Your key responsibilities will involve developing and maintaining high-qual ...

Senior Go Engineer Knowledge Graphs & AI Pipelines

UCE Systems in Morón is seeking a backend engineer to develop expertise in data-intensive systems. The successful candidate will work on building the enterprise knowledge graph, semantic search, and real-time data ingestion pipelines utilizing Go. The role requires at least 4 years of experience in pro ...

Senior ML Engineer — AWS Solutions & Business Impact

Caylent in Buenos Aires is focusing on building a talent pipeline for a future Senior Machine Learning Engineer position. The role involves designing machine learning solutions on AWS, connecting business goals with feature design and model training. Key activities include developing ML model ...

Senior ML Engineer AWS, MLOps & Big Data

Caylent is seeking a Senior Machine Learning Engineer to join their team in Buenos Aires, Argentina. The role involves designing and documenting machine learning solutions on AWS, while working collaboratively with cross‑functional teams. The ideal candidate will have a robust understanding of machine ...

Senior Laravel & React Engineer | High Impact Developer

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 a competitive salary, adaptable working ...

Senior Python Engineer | Cloud, Flask & DevOps Lead

005_INAR Intive in Buenos Aires is seeking talented developers to design and write clean, scalable code. You will collaborate with product managers and lead the development process from design to deployment. The ideal candidate should have strong experience in Python, Flask, and AWS, along with profici ...

Senior Backend Engineer – Cloud Native (Node.js + Kubernetes)

We are looking for a talented Software Engineer to join our Backend Microservices team. The team develops an Azure SaaS solution for connecting bots to our high-performance SIP applications. The team develops large-scale microservices applications, primarily using Node.js and NestJS, wit ...

Senior Full Stack Engineer (React/Redux + TS)

Perform is seeking an experienced Full Stack Developer focused on React/Redux to design and maintain large-scale single-page applications. You will collaborate with cross-functional teams in an Agile environment, utilizing your skills in React.js, TypeScript, and Redux for high-quality software deliver ...

Senior Python Engineer | Cloud, Flask & DevOps Lead

005_INAR Intive in Buenos Aires is seeking talented developers to design and write clean, scalable code. You will collaborate with product managers using Agile methodologies and oversee the development process from design to deployment. The ideal candidate should have strong experience with Python, Fla ...

Senior Python Engineer | Cloud, Flask & DevOps Lead

005_INAR Intive in Comodoro Rivadavia, Argentina, is seeking talented developers to design and write clean, scalable code. You will lead the complete development process from design to deployment while collaborating with product managers using Agile methodologies. The ideal candidate should have strong ...

Senior Python Engineer | Cloud, Flask & DevOps Lead

005_INAR Intive is seeking talented developers in San Luis, Argentina, to design and write clean, scalable code. You will collaborate with product managers using Agile methodologies, leading projects from design to deployment. The ideal candidate should have substantial experience with Python, Flask, a ...

Senior Data Engineer — Real Time Telemetry & ClickHouse

Ciklum is seeking a Lead Data Engineer in San Justo, Argentina. The successful candidate will lead the migration of large-scale data to ClickHouse and design high-throughput ingestion pipelines for real-time telemetry. Candidates should have over 12 years of experience in data platform engineering and ...

Senior Security Software Engineer Power Platform & AI

EY is seeking a Senior Security Software Engineer focused on security application development. You'll design, develop, and maintain applications using Power Platform, integrating AI-driven features to enhance efficiency and security. Ideal candidates will have over 8 years of experience, strong program ...

Senior Backend Engineer AI Driven Fintech Platform

Crew is seeking a Senior Backend Engineer to join their LATAM engineering team. You will be responsible for designing and building the backend systems that power Crew's financial platform, notably in payments, cards, and spend management. Strong backend development skills and fluency in English are essential ...

Senior Data Engineer — Real Time Telemetry & ClickHouse

Ciklum is seeking a Lead Data Engineer in San Justo, Argentina. The successful candidate will lead the migration of large-scale data to ClickHouse and design high-throughput ingestion pipelines for real-time telemetry. Candidates should have over 12 years of experience in data platform engineering and ...

Senior Python Backend Engineer – Cloud Native & Microservices

EPAM Systems is seeking a Senior Python Engineer in Córdoba, Argentina, who will be responsible for designing, building, and maintaining scalable backend services using Python and cloud platforms. The ideal candidate will have solid backend development expertise, familiarity with frameworks like FastAP ...

Senior Java Engineer & Backend Architect Spring & GraphQL

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. Idea ...

Senior Data Engineer — Real Time Telemetry & ClickHouse

Ciklum is seeking a Lead Data Engineer in San Justo, Argentina. The successful candidate will lead the migration of large-scale data to ClickHouse and design high-throughput ingestion pipelines for real-time telemetry. Candidates should have over 12 years of experience in data platform engineering and ...

Senior Node.js Backend Engineer — Fintech Microservices, AWS

Distillery: A Software Development in Ezeiza, Argentina is seeking a highly experienced Senior Node.js Engineer to join our team. This role involves designing and building scalable systems in the fintech domain, focusing on performance, reliability, and collaboration. Candidates should have over 6 year ...

Senior Python Engineer | Cloud, Flask & DevOps Lead

005_INAR Intive in Ituzaingó, Corrientes is seeking talented developers to create and maintain high-quality code. You'll engage with product managers using Agile approaches, leading the full lifecycle of development from design through deployment. The ideal candidate should possess robust expertise in ...

Semi SR/ Senior DevOps Engineer ID #00265

#DevOps #SeniorDevOps #CloudEngineer #CICD #AWSJobs #Kubernetes #Docker #InfrastructureAsCode #Terraform #Automation #Observabilidad #Prometheus #Grafana #CloudComputing #TechJobs #IngenieriaCloud #SRE #WerbenHR #HiringIT #TrabajoEnTecnología Buscamos un/a DevOps Senior para diseñar arqu ...

Senior Backend Engineer AI Driven Fintech Platform

Crew is looking for a Senior Backend Engineer to join its LATAM team in Buenos Aires. You will design and build backend systems powering Crew's financial platform, focusing on payments, spend management, and compliance. Ideal candidates should possess strong backend engineering skills, understand how A ...

Senior Data Infra & Reliability Engineer — Scalable Datastores

Webflow, a leading digital experience company in Argentina, is looking for a Senior Infrastructure Engineer. The role focuses on enhancing the reliability and scalability of core datastores like MongoDB and PostgreSQL, with responsibilities that include supporting product onboarding and fostering technical gr ...

Senior Backend Engineer – Node.js/TypeScript, REST APIs

A technology firm located in Buenos Aires is seeking a Senior Software Engineer experienced in Node.js and Typescript. The role involves contributing to the architecture and design of web applications, participating in code reviews, and creating documentation. Candidates should have over 6 years of software deve ...

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 Backend Engineer Hybrid Role, Unlimited PTO

Innovid is looking for a senior developer in Buenos Aires to design, develop, and maintain backend systems. The ideal candidate will have over 5 years of experience and strong skills in Python, Java, or Go, contributing to high-performance applications. This role involves collaborating with product man ...

Senior Node/TS/Python Backend & Integration Engineer

C&D Talent Advisory is looking for a Senior Backend Engineer to join a fast-growing healthcare AI company transforming clinical workflows across Latin America. The position involves developing and maintaining integration systems using Node.js, TypeScript, and Python within a highly experienced engineering tea ...

Senior Backend Engineer AI Driven Fintech Platform

Crew is looking for a Senior Backend Engineer to join our LATAM engineering team in Buenos Aires, Argentina. The role requires designing and building the backend systems that power our financial platform, involving payments, cards, and compliance. The ideal candidate will have strong backend engineerin ...

Senior QA Engineer: Automation & Quality Assurance Lead

Tether Operations is seeking a Senior QA Engineer to ensure product quality and reliability through manual and automated testing. The role demands the design and execution of test plans, defect identification, and collaboration with development teams. Applicants must have at least 5 years of QA experience and ...

Senior Python Engineer: Scalable APIs & Secure Backend

Werben Hr in Tandil, Argentina is looking for a skilled Python Developer to join their software development team. The role involves writing efficient, reusable Python code and integrating user-facing elements with server-side logic. Responsibilities include coding, testing, and implementation of data s ...

Senior PSA Engineer Nuclear Safety & Risk Analytics

SNC Lavalin is seeking an experienced engineer to conduct probabilistic safety assessments for nuclear power plants in Buenos Aires, Argentina. The ideal candidate will have over 10 years of experience and a strong knowledge of CANDU systems. This role includes developing safety analyses and leading mu ...

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