100,476+ Senior Full Stack Developer React Node Python Jobs in Buenos Aires, Argentina — Local Employers Hiring June 2026

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Production AI & LLM Engineer: End to End Pipelines

OneSeven Tech (OST) in Buenos Aires is looking for a talented developer to build AI-powered products. You will own the development of AI features, focusing on reliability and scalable delivery, while collaborating with Applied Science teams. The ideal candidate has solid Python engineering skills, expe ...

Production AI & LLM Engineer: End to End Pipelines

OneSeven Tech (OST) in Campana, Argentina, is seeking a skilled developer with strong Python engineering abilities to drive the development of AI-powered products. This role involves working with LLM APIs and developing intelligent agents, while collaborating with Applied Science teams to enhance our offering ...

AI & LLM Engineer Build Production Grade AI Features

OneSeven Tech (OST) in Argentina is seeking a skilled AI Developer to lead the end-to-end development of AI features. Responsibilities include automating workflows, building intelligent agents, and collaborating with Applied Science teams to enhance product capabilities. Candidates must have strong Pyt ...

Remote AI/LLM Engineer — Build Production Pipelines

OneSeven Tech (OST) seeks a skilled developer to build AI-powered products leveraging LLM APIs and custom models. You will own the development of AI features from prototyping to production, focusing on reliability and accuracy. This role requires strong Python engineering skills, AWS experience, and th ...

Data Scientist/Machine Learning Semi Sr Híbrido

Data Scientist / Machine Learning (Semi Senior) – Python (Híbrido | CABA) Ubicación: Buenos Aires (esquema híbrido) Modalidad: Full-time Sobre el rol Nos encontramos en la búsqueda de un/a Data Scientist / Machine Learning Semi Senior para sumarse ...

Senior Bookkeeper — Fashion Retail (Part Time, Potential Full Time) (Lomas de Zamora)

Virtustant is seeking a Senior Bookkeeper in Argentina to manage financial records, handle invoicing, and oversee bookkeeping for various projects. This part‑time role has the potential to transition to a full‑time position. Responsibilities Manage financial records and documentation f ...

Mesero/A Senior 3+ Años | Gastronomía | Zona Norte | Full Time (San Isidro)

MASAII Resto en San Isidro, Buenos Aires, busca un/a camarero/a con más de 3 años de experiencia en atención al cliente dentro de cadenas gastronómicas o hoteles. Responsabilidades Asegurar una destacada experiencia gastronómica. Despachar alimentos. Organizar el saló ...

Senior / Staff Backend Engineer, Full Time (Argentina) (San Nicolás de Los Arroyos)

What you'll do Build the backend for various user-facing features. Improve database and infrastructure performance by implementing caching solutions and connection pooling. Enhance observability, monitoring, and alerting so we can respond more effectively to operational inci ...

Backend Engineer Remote, Flexible Hours, Growth

Avature is seeking a backend software developer to join our innovative team in Buenos Aires. You will work on developing and implementing advanced tools and systems while contributing to a diverse and inclusive culture. We offer flexible hours with options for remote work, a supportive environment, and ...

AI & LLM Engineer — Python, LangChain, RAG & Lambda

OneSeven Tech (OST) is looking for a developer with strong Python and AWS skills to build AI-powered products. You will own the end-to-end development of AI features, focusing on reliability and scalability, while collaborating with applied science teams. The ideal candidate has experience with LLM API ...

Production AI Engineer Build Multi Agent LLM Pipelines

OneSeven Tech (OST) is seeking a skilled developer to lead the design and development of AI features utilizing LLM APIs. This role requires strong Python engineering expertise and hands-on experience with AWS services like Lambda. You will be responsible for building intelligent agents and custom AI co ...

Production AI Engineer Build Multi Agent LLM Pipelines

OneSeven Tech (OST) is seeking a skilled developer to lead the design and development of AI features utilizing LLM APIs. This role requires strong Python engineering expertise and hands-on experience with AWS services like Lambda. You will be responsible for building intelligent agents and custom AI co ...

Production AI & LLM Engineer: End to End Pipelines

OneSeven Tech (OST) in Buenos Aires is looking for a talented developer to build AI-powered products. You will own the development of AI features, focusing on reliability and scalable delivery, while collaborating with Applied Science teams. The ideal candidate has solid Python engineering skills, expe ...

Production AI & LLM Engineer: End to End Pipelines

OneSeven Tech (OST) in Campana, Argentina, is seeking a skilled developer with strong Python engineering abilities to drive the development of AI-powered products. This role involves working with LLM APIs and developing intelligent agents, while collaborating with Applied Science teams to enhance our offering ...

Production AI & LLM Engineer: End to End Pipelines

OneSeven Tech (OST) in Buenos Aires is looking for a talented developer to build AI-powered products. You will own the development of AI features, focusing on reliability and scalable delivery, while collaborating with Applied Science teams. The ideal candidate has solid Python engineering skills, expe ...

Production AI & LLM Engineer: End to End Pipelines

OneSeven Tech (OST) in Buenos Aires is looking for a talented developer to build AI-powered products. You will own the development of AI features, focusing on reliability and scalable delivery, while collaborating with Applied Science teams. The ideal candidate has solid Python engineering skills, expe ...

Remote Backend Engineer — Flexible Hours & Impact

Avature, based in Buenos Aires, is seeking a backend software developer to contribute to the development and improvement of their tools and systems. The role emphasizes excellent analytical and troubleshooting skills and mastery in PHP, Python, or Java. We offer a dynamic environment with adaptable hou ...

Production AI & LLM Engineer: End to End Pipelines

OneSeven Tech (OST) in Campana, Argentina, is seeking a skilled developer with strong Python engineering abilities to drive the development of AI-powered products. This role involves working with LLM APIs and developing intelligent agents, while collaborating with Applied Science teams to enhance our offering ...

Production AI & LLM Engineer: End to End Pipelines

OneSeven Tech (OST) in Campana, Argentina, is seeking a skilled developer with strong Python engineering abilities to drive the development of AI-powered products. This role involves working with LLM APIs and developing intelligent agents, while collaborating with Applied Science teams to enhance our offering ...

Production AI Engineer Build Multi Agent LLM Pipelines

OneSeven Tech (OST) is seeking a skilled developer to lead the design and development of AI features utilizing LLM APIs. This role requires strong Python engineering expertise and hands-on experience with AWS services like Lambda. You will be responsible for building intelligent agents and custom AI co ...

AI & LLM Engineer Build Production Grade AI Features

OneSeven Tech (OST) in Argentina is seeking a skilled AI Developer to lead the end-to-end development of AI features. Responsibilities include automating workflows, building intelligent agents, and collaborating with Applied Science teams to enhance product capabilities. Candidates must have strong Pyt ...

AI & LLM Engineer Build Production Grade AI Features

OneSeven Tech (OST) in Argentina is seeking a skilled AI Developer to lead the end-to-end development of AI features. Responsibilities include automating workflows, building intelligent agents, and collaborating with Applied Science teams to enhance product capabilities. Candidates must have strong Pyt ...

Remote AI/LLM Engineer — Build Production Pipelines

OneSeven Tech (OST) seeks a skilled developer to build AI-powered products leveraging LLM APIs and custom models. You will own the development of AI features from prototyping to production, focusing on reliability and accuracy. This role requires strong Python engineering skills, AWS experience, and th ...

Remote AI/LLM Engineer — Build Production Pipelines

OneSeven Tech (OST) seeks a skilled developer to build AI-powered products leveraging LLM APIs and custom models. You will own the development of AI features from prototyping to production, focusing on reliability and accuracy. This role requires strong Python engineering skills, AWS experience, and th ...

AI Lead Engineer — Conversational Agents & Automation

Seleccionamos Lead IA Engineer para Accusys , empresa líder en desarrollo y mantenimiento de software. Ubicación: CABA (preferentemente) o REMOTO en caso de residir fuera de la zona. Horario: jornada full time de lunes a viernes. Hibrido (3x2) Dise ...

Lead IA Engineer

Seleccionamos Lead IA Engineer para Accusys , empresa líder en desarrollo y mantenimiento de software. Ubicación: CABA (preferentemente) o REMOTO en caso de residir fuera de la zona. Horario: jornada full time de lunes a viernes. Hibrido (3x2) Diseñar e implemen ...

Data Scientist SSR/SR ID #00267

Buenos Aires / Argentina (modalidad flexible – remoto con encuentros puntuales) Full time Área: Data Science LATAM El rol Buscamos un/a Data Scientist Semi Senior / Senior con fuerte orientación hands-on para sumarse a un equipo regional de Data Scie ...

Data Scientist SSR/SR ID #00267

Buenos Aires / Argentina (modalidad flexible – remoto con encuentros puntuales) Full time Área: Data Science LATAM El rol Buscamos un/a Data Scientist Semi Senior / Senior con fuerte orientación hands-on para sumarse a un equipo regional de Data Science. V ...

AI Engineer (AI Agentic) Ssr. 1/MO

Buscamos: AI Engineer / Agentic Systems Developer Misión de la ocupación Responsable de diseñar, implementar y escalar sistemas multi-agente y productos impulsados por inteligencia artificial autónoma (Agentic AI). Su misión es crear arquitecturas donde agentes especializado ...

AI Engineer SSR / SR

We’re looking for an SSR/SR AI Engineer to join a fast-growing AI startup focused on automating back-office operations for companies. The platform builds AI agents capable of reading invoices and documents, validating information, interacting with management systems, and generating insights, dashboa ...

Fullstack SSR/SR – ID #00010

Overview En esta oportunidad lo que buscamos es perfiles Full-Stack SSR/ Sr. (Más de 5 años de experiencia en desarrollo) . No buscamos que sea experto en ninguna tecnología, más que eso lo que vamos a priorizar es las ganas de aprender y la flexibilidad para cambiar de lenguajes. Capac ...

Senior Go Engineer (Remote) — Build 0 to 1 Products

Bluelight Consulting LLC is expanding and seeking skilled Senior and exceptional Mid-level engineers proficient in Go (Golang) and React, with a strong emphasis on autonomy and product thinking. This role offers remote working, competitive salaries, and generous benefits including paid time off and opportunities ...

Back End Software Engineer

As an engineer at Bask you will work directly with the CEO and CTO to build and design the software infrastructure that will serve as the backbone of telehealth. We are looking to expand our software engineers, seeking those with deep rooted entrepreneurial spirit. Our serverless platform is bui ...

Back End Software Engineer

As an engineer at Bask you will work directly with the CEO and CTO to build and design the software infrastructure that will serve as the backbone of telehealth.We are looking to expand our software engineers, seeking those with deep rooted entrepreneurial spirit.Our serverless platform is built ...

BI Project Lead Microsoft Tech Stack

Ecosistemas SRL busca un Líder de proyecto para una importante empresa multinacional en Buenos Aires, especializado en aplicaciones de Business Intelligence basadas en tecnología Microsoft. Las principales responsabilidades incluyen la implementación de proyectos y la interacción con el área de IT. Se ...

Software Engineer – Cloud & Microservices, CI/CD

Kyndryl is looking for a Software Engineering - Developer in Buenos Aires, Argentina. This role involves designing and implementing innovative software solutions, requiring expertise in Java/Python, SQL databases, and microservices architecture. Candidates should have 2-3 years of development experience and a Ba ...

Lead Fullstack Dev (Remote, Contractor) AI & Cloud Focus

Teravision Technologies is looking for an experienced backend developer for a fully remote contractor position. Ideal candidates will have strong expertise in Java or .NET, along with production experience in Node.js or Python and solid React.js skills. Team leadership experience is essential. Employee ...

Backend Engineer: APIs Escalables y Arquitecturas Distribuidas

MercadoLibre busca un Software Developer Backend en Buenos Aires. En este rol, diseñarás sistemas innovadores que resuelven problemas reales en la industria de comercio electrónico y servicios financieros. Trabajarás en un entorno dinámico aplicando buenas prácticas de ingeniería y modelos de IA, contribuyend ...

Remote AI/LLM Engineer End to End AI Pipelines

OneSeven Tech (OST) in Corrientes, Argentina, is looking for a developer with strong Python skills to build AI-powered features. You will lead end-to-end development, focusing on custom AI components and improving response accuracy using LLMs. Experience with AWS, LLM APIs, and backend engineering is e ...

Remote AI/LLM Engineer End to End AI Pipelines

OneSeven Tech (OST) is seeking a skilled AI Developer in Buenos Aires to drive development of AI features leveraging off-the-shelf LLM APIs and custom models. You will own the end-to-end process from prototyping to production, focusing on reliability and scalability. The ideal candidate possesses stron ...

Fullstack SSR/SR – ID #00010

Overview En esta oportunidad lo que buscamos es perfiles Full-Stack SSR/ Sr. (Más de 5 años de experiencia en desarrollo) . No buscamos que sea experto en ninguna tecnología, más que eso lo que vamos a priorizar es las ganas de aprender y la flexibilidad para cambiar de lenguajes. Capac ...

Fullstack SSR/SR – ID #00010

Overview En esta oportunidad lo que buscamos es perfiles Full-Stack SSR/ Sr. (Más de 5 años de experiencia en desarrollo) . No buscamos que sea experto en ninguna tecnología, más que eso lo que vamos a priorizar es las ganas de aprender y la flexibilidad para cambiar de lenguajes. Capac ...

Senior Go Engineer (Remote) — Build 0 to 1 Products

Bluelight Consulting LLC is expanding and seeking skilled Senior and exceptional Mid-level engineers proficient in Go (Golang) and React, with a strong emphasis on autonomy and product thinking. This role offers remote working, competitive salaries, and generous benefits including paid time off and opportunities ...

Senior Go Engineer (Remote) — Build 0 to 1 Products

Bluelight Consulting LLC is expanding and seeking skilled Senior and exceptional Mid-level engineers proficient in Go (Golang) and React, with a strong emphasis on autonomy and product thinking. This role offers remote working, competitive salaries, and generous benefits including paid time off and opportunities ...

Space Grade Embedded Engineer (FPGA/Linux)

A pioneering tech startup in Buenos Aires is seeking an Embedded Systems Developer to create cutting-edge, radiation-tolerant computers for autonomous systems and machine learning applications. The role involves developing high-quality code for FPGA and Linux drivers, requiring strong knowledge in Python, C, and ...

Customer Support Specialist Fully Remote

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Ange ...

Customer Success Engineer SaaS Expert

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Ange ...

Technical Support Engineer

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Ange ...

UI Designer SR Remoto Argentina ID #00182

UI Designer SR Remoto Argentina ID #00182 Skills: #Adobe XD #Sketch #Figma Date: 21 February, 2025 Location: Argentina Key Responsibilities: UI Design and Development: Implement UI components and features based on design specifications ...

Lead Technical Support Engineer | Upto $50K/yr

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Ange ...

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