29,930+ Fullstack Ai Engineer Llmpowered Reactpython Jobs in Argentina — Top Companies Hiring June 2026

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Principal Data Science Engineer Hybrid AI & Graph Systems

Beyond in Buenos Aires is seeking a Principal Data Science Engineer to lead the development of advanced analytical solutions. This role involves leveraging knowledge graphs, statistical models, and LLMs to deliver scalable implementations that drive business value. Ideal candidates will be innovative l ...

Remote Senior AI Engineer Production ML & LLM Pipelines

Jeeves is seeking a Senior AI Engineer to design and implement AI-powered features for their financial operating system. This full-time remote position is based in Argentina and focuses on building reliable LLM integration pipelines while collaborating closely with product and engineering teams. The id ...

Full Stack Product Engineer: Operator Dashboards & AI UIs

Squad | Bowery is seeking a Full-Stack Product Engineer in Argentina. The role involves developing applications for mining operations, integrating AI/ML outputs into user-friendly tools and dashboards. With a strong emphasis on high performance and UX, candidates should have over 5 years of full-stack experience ...

Full Stack Engineer for AI IDE (TypeScript + React)

Tempo (YC S23) is an innovative tech startup based in Comodoro Rivadavia, Argentina, seeking a full-stack engineer to develop high-performance web applications. In this role, you will design and implement robust front-end solutions while closely collaborating with UX/UI designers and building backend capabili ...

Senior QA Engineer AI Driven Testing & Quality Leader

AOA is looking for a Senior QA Engineer based in Venado Tuerto, Argentina to enhance their quality assurance processes. You will ensure the delivery of high-quality applications while collaborating with various teams and managing multiple projects, including eCommerce and AI-native applications. The id ...

Remote AI Forward Deployed Engineer (LLMs & Data Infra)

NextLink Labs is seeking a remote Forward Deployed Engineer to enhance its AI practice. The ideal candidate will work with clients to design and implement production AI systems, ensuring robust data infrastructure and effective integration with existing workflows. This position requires strong Python s ...

Remote AI Full Stack Engineer for Social Impact

LegalAtoms, a remote-first legal tech startup in Argentina, seeks an AI-focused engineer to develop innovative legal solutions using AI technologies. You will work closely with the founders and the team to create scalable features that ensure high code quality. This role emphasizes a commitment to maki ...

Remote AI Full Stack Engineer for Social Impact

LegalAtoms, a remote-first legal tech startup in Argentina, seeks an AI-focused engineer to develop innovative legal solutions using AI technologies. You will work closely with the founders and the team to create scalable features that ensure high code quality. This role emphasizes a commitment to maki ...

Senior .NET Full Stack Engineer Travel Platform & AI

EPAM Systems is looking for a Senior .NET Full‑Stack Developer to enhance our travel platform using innovative full‑stack engineering and AI collaboration. The role requires strong expertise in RESTful APIs, cloud platforms, and modern frontend frameworks. The ideal candidate holds a degree in Computer ...

Remote AI Full Stack Engineer for Social Impact

LegalAtoms, a remote-first legal tech startup in Argentina, seeks an AI-focused engineer to develop innovative legal solutions using AI technologies. You will work closely with the founders and the team to create scalable features that ensure high code quality. This role emphasizes a commitment to maki ...

Senior Backend Engineer Remote First, Argentina AI Driven

Backblaze is seeking a Senior Software Engineer located in Argentina to enhance their Foundation Services Team. This role requires a minimum of 7 years of experience in Java and backend architecture, as well as proficiency in AI-assisted development tools. The successful candidate will design scalable ...

Remote AI Forward Deployed Engineer — LLMs & Data Infra

NextLink Labs is looking for a Forward Deployed Engineer to enhance their AI practice remotely with significant overlap with US Eastern Time. You will work with clients to design and implement AI systems, ensuring robust data infrastructure and workflow integration. The ideal candidate will possess str ...

Remote AI Engineer Scale Autonomous Agents & Mentor Team

Félix in Argentina is seeking an experienced AI Engineer to design and scale autonomous AI agents. This role involves developing scalable AI agents, optimizing workflows, and mentoring junior staff. Candidates should have over 7 years of experience in software engineering with a strong focus on AI application ...

AI‑First Full‑Stack Engineer for Healthcare Ops

A healthcare technology company is seeking a Full Stack Engineer to redefine healthcare operations by developing reliable, scalable systems. Ideal candidates will have over 4 years of experience in software engineering, particularly with Python and React. The role includes collaboration with product teams to tac ...

Full Stack AI Engineer LLM Features (React/Python)

AgileEngine is looking for a Full Stack Developer in Rosario, Argentina to create and enhance LLM-powered features for both frontend and backend systems. This role is crucial for integrating AI functionalities while ensuring collaboration with cross-functional teams. The ideal candidate will possess co ...

Senior QA Automation Engineer – AI & E‑Commerce (Remote)

Trafilea is seeking a Senior QA Specialist based in Argentina. This remote role focuses on designing and executing testing strategies to ensure product quality while collaborating with cross-functional teams to enhance user experience. The ideal candidate should have proficiency in automation framework ...

Senior QA Engineer AI & E Commerce Automation (Remote)

Trafilea, a leading eCommerce technology company, is looking for a Senior QA Specialist based in Argentina. You will design and execute rigorous testing strategies while ensuring product quality and enhancing user experience through collaboration with cross-functional teams. The ideal candidate must ha ...

Senior Full Stack Quality Engineer: AI & API Testing

Newsela in Buenos Aires is seeking a Senior Full-Stack Quality Engineer to ensure the delivery of high-quality software. You will work closely with product engineers, testing front-end applications powered by advanced back-end services and AI tools. The ideal candidate has over 7 years of experience in ...

Senior QA Engineer AI & E Commerce Automation (Remote)

Trafilea is looking for a Senior QA Specialist to join their team. This remote position based in Argentina involves designing testing strategies, ensuring product quality, and working closely with teams to improve user experience. The ideal candidate will have at least 5 years of QA experience, experti ...

Remote First Backend Engineer — AI Driven API Services

Backblaze is seeking a Backend Engineer to join their Foundation Services Team in Neuquén, Argentina. In this role, you will design and develop scalable APIs and services using Java, while leveraging modern AI tools for improved efficiency. This position promotes collaboration across the organization, ...

Senior Android Engineer: AI Driven Features & Flexible Work

AgileEngine, LLC. in San Miguel de Tucumán, Argentina is seeking a Senior Android Engineer to design and maintain features for Bumble’s dating experience. Ideal candidates should have over 5 years of Android development experience and strong proficiency in Kotlin, along with skills in Jetpack Compose. < ...

Kotlin Android Engineer for AI Driven Coding (Freelance)

Invisible Agency is looking for a Kotlin Coding Specialist for a freelance AI Trainer project based in Argentina. This role involves leveraging your Kotlin expertise to create efficient coding solutions and evaluate AI-generated code. The ideal candidate will have hands-on experience with modern Androi ...

Remote Full Stack AI Engineer (Kotlin) Flexible Hours

DataAnnotation is seeking proficient programmers to work remotely on innovative AI systems. You will join a vibrant community of over 100,000 professionals, involved in coding challenges and app development. Your duties include designing coding problems for AI training and evaluating AI-generated code. ...

Senior Software Engineer, Ai Infrastructure (Rust) (Comodoro Rivadavia)

Kraken is seeking an experienced engineer to design and build infrastructure for AI agent systems. You will develop high-performance Rust services to support million-user workloads, ensuring reliability and performance in a production environment. The adecuado candidate will have over 5 years ...

Full Stack AI Engineer LLM Features (React/Python)

AgileEngine is looking for a Full Stack Developer in Rosario, Argentina to create and enhance LLM-powered features for both frontend and backend systems. This role is crucial for integrating AI functionalities while ensuring collaboration with cross-functional teams. The ideal candidate will possess co ...

Ai Research Engineer Llm Architect & Pretraining Expert (Avellaneda)

Framework Ventures in Buenos Aires is seeking a talented AI model team member to lead architectural innovation for cutting‑edge models, focusing on enhancing intelligence and efficiency. The role requires hands‑on expertise in LLM architectures and experience with large‑scale distributed training. < ...

Remote AI Training Engineer: Full Stack & Code Reviewer

Outlier Ai, located in Argentina, is seeking proficient programming experts dedicated to teaching AI how to interpret and solve complex programming problems. The role involves creating computer science–related questions and reviewing AI-generated code for accuracy. Applicants should hold a Bachelor's d ...

Reinforcement Learning Research Engineer for Real World AI

Framework Ventures in San Fernando, Buenos Aires is seeking a skilled AI model team member to drive innovation in reinforcement learning approaches. You will design advanced algorithms that enhance decision-making and performance for real-world applications. The ideal candidate must have expertise in r ...

Remote AI Engineer Scale Autonomous Agents & Mentor Team

Félix in Argentina is seeking an experienced AI Engineer to design and scale autonomous AI agents. This role involves developing scalable AI agents, optimizing workflows, and mentoring junior staff. Candidates should have over 7 years of experience in software engineering with a strong focus on AI application ...

Remote AI Engineer: Scalable Autonomous Agents for Fintech

Félix in Argentina is looking for a skilled AI Engineer to design and scale autonomous AI agents crucial for their product infrastructure. Responsibilities include developing scalable AI agents, optimizing workflows, and mentoring junior staff. The position offers excellent benefits including a competitive sa ...

AI Driven Detection Engineer | Build Next Gen Security

A leading security operations company in Buenos Aires is seeking a skilled Security Engineer. In this dynamic role, you will create detection rules and support the development of an AI-driven detection platform. You're expected to have a strong background in detection content writing, experience with LLMs, a ...

Senior QA Engineer AI & E Commerce Automation (Remote)

Trafilea, a leading eCommerce technology company, is looking for a Senior QA Specialist based in Argentina. This role requires designing and executing testing strategies, guaranteeing product quality, and collaborating with cross-functional teams to enhance user experience. The ideal candidate should h ...

Senior Agentic AI Engineer — Builder of Seller Assistant

Valtech is seeking an Agentic AI Engineer in Salta, Argentina, to help build new AI capabilities for clients. The role involves designing, prototyping, and experimenting with AI systems that enhance seller productivity and decision-making. The ideal candidate will have senior-level experience in AI or ...

Remote AI Code Evaluation Engineer | CS/Python/Java

Outlier Ai is looking for programming experts in Buenos Aires to teach AI how to interpret and solve complex programming problems. The role involves creating computer science questions and giving constructive feedback on AI responses. The ideal candidate should possess a Bachelor's degree in Computer S ...

Senior QA Engineer AI & E Commerce Automation (Remote)

Trafilea is looking for a Senior QA Specialist based in Argentina to join their team. This individual will design and execute testing strategies to ensure product quality and will work with cross-functional teams to enhance user experience. The ideal candidate will have at least 5 years of QA experienc ...

Remote AI Code Evaluation Engineer Create CS Tasks

Outlier Ai is looking for programming experts based in San Justo, Buenos Aires, Argentina. The role involves teaching AI how to interpret complex programming problems, developing questions related to computer science, and offering feedback to enhance AI responses. Ideal candidates should have a Bachelo ...

Senior QA Automation Engineer AI & E Commerce (Remote)

Trafilea, a leading eCommerce technology company, is looking for a Senior QA Specialist in Buenos Aires, Argentina. You will design and implement testing strategies to ensure product quality and work collaboratively with cross-functional teams to improve user experience. The ideal candidate will have p ...

AI Research Engineer (Agentic Posttraining) 100% Remote Worldwide

Join Tether and Shape the Future of Digital Finance At Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate re ...

Reinforcement Learning Research Engineer for Real World AI

Framework Ventures in Buenos Aires is seeking an expert in reinforcement learning systems to innovate and optimize decision-making for advanced AI models. You will work on optimizing adaptive behavior and enhancing intelligence across multiple domains. Your responsibilities include developing cutting-e ...

Senior AI Engineer — Remote (LATAM) | Azure ML & LLM

Business Commercial Management en Argentina busca un Senior AI Engineer para trabajar de forma remota. El candidato ideal contará con una sólida experiencia en IA y ML, habilidades en Azure y un dominio del inglés B2. Las responsabilidades incluyen el diseño de algoritmos, la optimización del rendimien ...

Remote AI Trainer: Full Stack Engineer (Flexible Hours)

DataAnnotation is seeking a proficient Full Stack Engineer - AI Trainer to join their team in Argentina. In this role, you will develop cutting-edge AI systems while enjoying the flexibility of remote work and setting your own schedule. Collaborate on challenging projects with real-world impact in AI developm ...

Remote Software Engineer for AI Training & Code Evaluation

Alignerr is seeking a Software Engineer to contribute to AI development in La Plata. You’ll write and optimize code while reviewing AI-generated outputs to enhance coding assistants. This role offers flexibility, autonomy, and the chance to influence AI software capabilities directly. Ideal candidates ...

Remote AI Training Engineer: Full Stack & Code Reviewer

Outlier Ai, located in Argentina, is seeking proficient programming experts dedicated to teaching AI how to interpret and solve complex programming problems. The role involves creating computer science–related questions and reviewing AI-generated code for accuracy. Applicants should hold a Bachelor's d ...

Remote AI Training Engineer: Full Stack & Code Reviewer

Outlier Ai, based in Argentina, is looking for skilled programming experts to enhance AI understanding and problem-solving capabilities. The job involves developing technical questions for AI and ensuring the quality of AI outputs. Applicants must possess a Bachelor's degree in Computer Science, be pro ...

Remote Junior Software Engineer — Bilingual AI Code Reviewer

Outlier Ai in Posadas, Argentina, is seeking proficient programming experts to enhance AI's problem-solving abilities. The ideal candidate will have a degree in Computer Science and fluency in both Spanish and English, with experience in programming languages like Python, Java, and C++. Join a dynamic ...

Remote AI Training Engineer: Full Stack & Code Reviewer

Outlier Ai, located in Argentina, is seeking proficient programming experts dedicated to teaching AI how to interpret and solve complex programming problems. The role involves creating computer science–related questions and reviewing AI-generated code for accuracy. Applicants should hold a Bachelor's d ...

Lead AI Architect & Mentor — Growth‑Driven Engineer Leader

N-iX is seeking a Lead AI Engineer in Comodoro Rivadavia, Argentina, to drive the design and evolution of AI-powered solutions. You will lead the technical discovery and implementation of intelligent systems while mentoring a team of engineers. This role requires at least 6 years in software engineerin ...

Lead AI Engineer LLM/NLP Expert, Adaptable Work

N-iX in Buenos Aires is seeking a Lead AI Engineer to drive the design and evolution of AI-powered solutions. The role involves building and scaling intelligent systems, guiding clients through technical discovery and AI adoption strategies. The ideal candidate will have over 6 years of software engine ...

Remote AI Engineer: Scale Autonomous Agents & Lead Teams

Félix in Argentina is seeking an experienced AI Engineer to design and scale autonomous AI agents. The ideal candidate will have more than 7 years of software engineering experience focused on AI applications. The role includes developing scalable AI solutions, optimizing workflows, and mentoring junio ...

Senior .NET Full Stack Engineer — AI & Cloud Native

EPAM Systems is looking for a Senior .NET Full-Stack Developer in Argentina to enhance their travel platform. The ideal candidate will have over three years of experience in full-stack development, familiarity with AI coding tools, and cloud environments. This position offers opportunities for professi ...

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