93,310+ Senior Remote Fullstack Engineer Pythonreact Jobs in Argentina — Top Companies Hiring July 2026

Professional job seekers finding Argentina jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Product Support Engineer VoIP, API & Fax Troubleshooter

Telnyx is seeking a Product Support Engineer in San Miguel, Buenos Aires, to troubleshoot VoIP/SIP issues, assist customers with API inquiries, and ensure high-quality customer service. You will work with tools like Wireshark and Postman, and engage directly with clients through various communication channels ...

AI & Optimization Engineer for Mining Ops & Automation

Tether Operations is looking for an AI & Optimization Lead for their Bitcoin Mining Operations in Buenos Aires. You will define the AI vision, focusing on optimizing operational efficiency through data and AI models. Your responsibilities include designing data baselines, developing AI models for perfo ...

AI & Optimization Engineer for Mining Ops & Automation

Tether Operations is looking for an AI & Optimization Lead for their Bitcoin Mining Operations in Buenos Aires. You will define the AI vision, focusing on optimizing operational efficiency through data and AI models. Your responsibilities include designing data baselines, developing AI models for perfo ...

AI Research Engineer: Large Scale LLM Architect

Framework Ventures is seeking an experienced AI model architect to innovate in architecture development for advanced AI models. In this role, you will focus on enhancing intelligence and efficiency of models through deep expertise in LLM architectures. Your responsibilities include conducting pre-train ...

AI Research Engineer: Large Scale LLM Architect

Framework Ventures is seeking an experienced AI model architect to innovate in architecture development for advanced AI models. In this role, you will focus on enhancing intelligence and efficiency of models through deep expertise in LLM architectures. Your responsibilities include conducting pre-train ...

Product Support Engineer VoIP, API & Fax Troubleshooter

Telnyx is seeking a Product Support Engineer in Comodoro Rivadavia, Argentina, to troubleshoot VoIP and API issues and provide top-notch support to customers. You'll work with various technologies like Wireshark and Postman. The ideal candidate has a strong customer focus and knowledge of SIP and RTP p ...

Azure Data Engineer: Pipelines, Power BI & Fabric

Allata is seeking a Data Engineer to design and maintain scalable data pipelines using Azure Data Factory and SQL. The ideal candidate will have strong analytical skills and experience in developing ETL processes, while ensuring data quality and performance. This role involves collaboration with various stake ...

Product Support Engineer VoIP, API & Fax Troubleshooter

Telnyx is seeking a Product Support Engineer in Comodoro Rivadavia, Argentina, to troubleshoot VoIP and API issues and provide top-notch support to customers. You'll work with various technologies like Wireshark and Postman. The ideal candidate has a strong customer focus and knowledge of SIP and RTP p ...

LLM Powered Full Stack Engineer — React & Python

AgileEngine is seeking a Full Stack Developer located in Santa Fe, Venado Tuerto, to build and integrate LLM-powered features across frontend and backend systems. You will collaborate with product, QA, and engineering teams during overlapping EST hours to deliver AI-driven product functionality. The su ...

Product Support Engineer VoIP, API & Fax Troubleshooter

Telnyx is seeking a Product Support Engineer in Comodoro Rivadavia, Argentina, to troubleshoot VoIP and API issues and provide top-notch support to customers. You'll work with various technologies like Wireshark and Postman. The ideal candidate has a strong customer focus and knowledge of SIP and RTP p ...

Junior Software Engineer — AI Training & Code QA

Outlier Ai in Argentina is seeking proficient programming experts to enhance AI’s ability to solve programming issues. The responsibilities include creating questions for AI training and providing feedback to ensure code accuracy. The ideal candidate will have a degree in Computer Science, fluency in b ...

Product Support Engineer VoIP, API & Fax Troubleshooter

Telnyx, located in Santa Fe Capital, Argentina, is seeking a Product Support Engineer to join its innovative team. You will be responsible for troubleshooting VoIP/SIP issues using tools like Wireshark and assisting customers through chat, calls, and tickets. The ideal candidate has a strong understand ...

Junior AI Software Engineer — Code QA & Feedback

Outlier Ai in Buenos Aires is on the lookout for proficient programming experts to enhance its AI's problem-solving abilities. The ideal candidate will hold a degree in Computer Science and have fluency in both Spanish and English, along with experience in programming languages such as Python, Java, and C++. ...

Bilingual Junior Software Engineer — AI Code & Review

Outlier Ai is looking for proficient programming experts in Córdoba, Argentina, to enhance AI's problem-solving abilities. The ideal candidate will hold a degree in Computer Science and be fluent in both Spanish and English, with expertise in programming languages like Python, Java, and C++. Responsibi ...

LLM Driven Full Stack Engineer (React + Python)

AgileEngine in Argentina is seeking a Full Stack Developer to create and integrate LLM-powered features across both frontend and backend systems. Your role will involve developing React components, extending Python backend services, and using LLM APIs to enhance product functionality. This position emp ...

AI Research Engineer: Large Scale LLM Architect

Framework Ventures in Buenos Aires is searching for an expert to join their AI model team. This role focuses on developing innovative architectures for AI models, enhancing efficiency and intelligence across various scales. The ideal candidate will hold a PhD in NLP or Machine Learning and possess exte ...

AI Research Engineer: Large Scale LLM Architect

Framework Ventures in Buenos Aires seeks an AI Model Developer to innovate in architecture for cutting-edge models. Your role involves driving advancements through distributed training on NVIDIA GPUs and enhancing intelligence across various scales. The ideal candidate has a PhD in NLP or Machine Learn ...

Ai & Backend Engineer — Llm Orchestration Lead (Tandil)

A financial technology startup is seeking an AI/Backend Engineer to lead the evolution of their AI orchestration pipeline. The role involves optimizing systems, developing production APIs, and contributing to a collaborative team culture. Adecuado candidates will have 4+ years of production P ...

LLM Training Engineer for AI Code Mastery

Outlier Ai in Tandil, Argentina is seeking proficient programming experts to help teach AI how to interpret and solve complex programming problems. The role involves creating and answering computer science-related questions for AI training, reviewing AI-generated code for correctness, and providing constructi ...

Bilingual Junior Software Engineer — AI Code & Review

Outlier Ai is looking for proficient programming experts based in Rosario, Argentina, to enhance the problem-solving abilities of AI. Candidates should possess a degree in Computer Science and be fluent in both Spanish and English, with experience in programming languages such as Python, Java, and C++. <p ...

Bilingual AI Training Engineer Code Quality & Feedback

Outlier Ai in Argentina is seeking proficient programming experts to enhance AI's ability to solve programming issues. Your role involves creating questions for AI training and providing feedback to ensure code accuracy. The idóneo candidate should have a degree in Computer Science, fluency in both Spa ...

LLM Powered Full Stack Engineer — React & Python

AgileEngine is hiring a Full Stack Developer in Buenos Aires to enhance LLM-powered features across frontend and backend systems. Candidates should have strong expertise in React and Python, as well as experience with LLM technologies. The position requires collaboration with product, QA, and engineeri ...

Kotlin Android Engineer — AI Coding Trainer (Freelance)

Invisible Agency is looking for a Kotlin Coding Specialist for a freelance AI Trainer project based in Argentina. You will use your Kotlin skills to create effective coding solutions and assess AI-generated code. The ideal candidate should possess hands-on experience in modern Android development, incl ...

AI Research Engineer: Large Scale LLM Architect

Framework Ventures is seeking a talented individual to join the AI model team, focusing on architecture development for cutting-edge AI models. This role requires deep expertise in LLM architectures, as well as a research-driven approach to optimization and novel technique implementation. The ideal can ...

AI Research Engineer: Large Scale LLM Architect

Framework Ventures is seeking a talented individual to join the AI model team, focusing on architecture development for cutting-edge AI models. This role requires deep expertise in LLM architectures, as well as a research-driven approach to optimization and novel technique implementation. The ideal can ...

AI Research Engineer: Large Scale LLM Architect

Framework Ventures in Buenos Aires is searching for an expert to join their AI model team. This role focuses on developing innovative architectures for AI models, enhancing efficiency and intelligence across various scales. The ideal candidate will hold a PhD in NLP or Machine Learning and possess exte ...

ML Ops Engineer: Build AI Pipelines & Infra

Newsela, a leading education technology company in Argentina, is searching for an experienced ML Ops Engineer to join their innovative ML/AI team. In this hands-on role, you will manage CI/CD pipelines and automate infrastructure with Terraform while collaborating closely with ML engineers. The ideal c ...

Junior Software Engineer — AI Training & Code QA

Outlier Ai in Argentina is seeking proficient programming experts to enhance AI’s ability to solve programming issues. The role includes creating training questions and providing feedback on code accuracy. Ideal candidates will have a degree in Computer Science and be fluent in Spanish and English. Thi ...

Bilingual Junior Software Engineer — AI Code & Review

Outlier Ai 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, along with experience in programming languages such as Python, Java, and C++. Responsibilities include crea ...

LLM Powered Full Stack Engineer — React & Python

AgileEngine is looking for a Full Stack Developer based in Argentina, Buenos Aires. The role involves building and integrating features powered by LLMs across both frontend and backend systems. You will work closely with diverse teams, particularly during EST hours. Ideal candidates will have a strong ...

AI Research Engineer: Large Scale LLM Architect

Framework Ventures in Buenos Aires is searching for an expert to join their AI model team. This role focuses on developing innovative architectures for AI models, enhancing efficiency and intelligence across various scales. The ideal candidate will hold a PhD in NLP or Machine Learning and possess exte ...

AI Research Engineer: Large Scale LLM Architect

Framework Ventures in Buenos Aires is searching for an expert to join their AI model team. This role focuses on developing innovative architectures for AI models, enhancing efficiency and intelligence across various scales. The ideal candidate will hold a PhD in NLP or Machine Learning and possess exte ...

Lead Mobile Engineer – React Native & AI Wallets

Framework Ventures is seeking a skilled Lead Engineer to work on cutting-edge mobile applications that integrate crypto wallets and DeFi features. You will lead a team of React Native engineers and ensure high-quality delivery aligned with best engineering practices. Your expertise in JavaScript, React ...

Lead Mobile Engineer – React Native & AI Wallets

Framework Ventures in Tandil, Argentina is looking for a skilled mobile application developer to lead a team working on cutting-edge React Native applications. You will collaborate with senior developers and product managers to deliver innovative mobile solutions integrating crypto wallets and defi features. ...

Chief Data Engineer: Salesforce, Tableau & ThoughtSpot Lead

EPAM Systems is looking for a Chief Data Engineer in Buenos Aires to lead impactful reporting initiatives. The ideal candidate will have over 7 years of experience in data engineering and strong data integration skills. This role offers international projects and a dynamic work environment with plenty ...

LLM Training Engineer for AI Code Mastery

Outlier Ai in Tandil, Argentina is seeking proficient programming experts to help teach AI how to interpret and solve complex programming problems. The role involves creating and answering computer science-related questions for AI training, reviewing AI-generated code for correctness, and providing constructi ...

AI Powered Full Stack Engineer (React + Python)

AgileEngine is looking for a Full Stack Developer based in Buenos Aires, Pilar. In this role, you will build and integrate features powered by large language models across both frontend and backend systems, collaborating with product and engineering teams to ensure AI-driven functionality. The ideal ca ...

LLM Driven Full Stack Engineer (React + Python)

AgileEngine in Argentina is seeking a Full Stack Developer to create and integrate LLM-powered features across both frontend and backend systems. Your role will involve developing React components, extending Python backend services, and using LLM APIs to enhance product functionality. This position emp ...

AI Research Engineer: Large Scale LLM Architect

Framework Ventures in Tigre, Argentina is seeking an AI Model Architect to innovate on cutting-edge model architectures. You will apply your expertise in LLM architectures to enhance model performance and scalability using state-of-the-art techniques. The ideal candidate should have a PhD in NLP or Mac ...

AI Training Software Engineer – Junior (EN/ES)

Outlier Ai in Argentina is looking for proficient programming experts to enhance the AI's ability to tackle programming issues. The role involves creating questions for AI training and providing feedback to ensure code accuracy. Candidates should hold a Degree in Computer Science and be fluent in both ...

Backend Engineer, Wallets: Scalable & Secure Microservices (Córdoba)

Framework Ventures in Argentina is seeking a skilled backend developer to create robust, scalable, and secure backend solutions. The candidate will contribute to groundbreaking projects and ensure services remain responsive as the platform grows. Successful candidates will have expertise in Node.js ...

LLM Training Engineer for AI Code Mastery

Outlier Ai in Ezeiza, Buenos Aires, is searching for skilled programming experts to teach AI complex programming problem-solving. Responsibilities include creating programming questions for AI training, reviewing AI-generated code for quality, and enhancing AI performance through feedback. The successf ...

LLM Training Engineer for AI Code Mastery

Outlier Ai in Ezeiza, Buenos Aires, is searching for skilled programming experts to teach AI complex programming problem-solving. Responsibilities include creating programming questions for AI training, reviewing AI-generated code for quality, and enhancing AI performance through feedback. The successf ...

AI Research Engineer: Large Scale LLM Architect

Framework Ventures, located in Argentina, seeks a professional to join the AI model team and drive innovation in architecture development for cutting-edge models. You will work with small, large, and multi-modal systems to enhance intelligence and efficiency. The ideal candidate has a PhD in a relevant ...

Bilingual AI Training Engineer Code Quality & Feedback

Outlier Ai in Argentina is seeking proficient programming experts to enhance AI's ability to solve programming issues. Your role involves creating questions for AI training and providing feedback to ensure code accuracy. The idóneo candidate should have a degree in Computer Science, fluency in both Spa ...

Backend Engineer — Public API (V1), Scalable Systems

Pasito is seeking a talented Backend Engineer to design and build the v1 of their public-facing API. The role demands a strong focus on reliability and scalability, allowing the engineer to own features like infrastructure and API design. As part of a dynamic team, you will influence architecture and s ...

LLM Training Engineer for AI Code Mastery

Outlier Ai in Buenos Aires, Argentina is looking for proficient programming experts to assist in teaching AI how to interpret and solve complex programming problems. You will create and answer computer science-related questions for AI training, review AI-generated code for correctness, and provide constructiv ...

LLM Training Engineer for AI Code Mastery

Outlier Ai, located in Chubut, Argentina, is seeking proficient programming experts to help teach AI how to interpret and solve complex programming problems. The ideal candidate will create and answer computer science-related questions for AI training, review AI-generated code for correctness and quality, and ...

AI Training Software Engineer – Junior (EN/ES)

Outlier Ai in Argentina is looking for proficient programming experts to enhance the AI's ability to tackle programming issues. The role involves creating questions for AI training and providing feedback to ensure code accuracy. Candidates should hold a Degree in Computer Science and be fluent in both ...

AI Research Engineer: Large Scale LLM Architect

Framework Ventures in Argentina seeks a talented AI model team member to innovate in architecture development for cutting-edge models, enhancing intelligence and efficiency in AI performance. Candidates should have a strong background in LLMs, ideally holding a PhD in NLP or Machine Learning. Responsib ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

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