316,184+ Senior Full Stack Developer React Java Jobs in Argentina — Top Companies Hiring June 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

Senior .NET Architect & Backend Lead

Unosquare is seeking a Senior .NET Developer in Argentina to join our dynamic team. The ideal candidate has over 5 years of experience in software development and demonstrates strong proficiency in C# and .NET Core. You will design and develop scalable backend systems, refactor existing code, and colla ...

Senior .NET Backend Architect — Build Scalable Systems

Unosquare is seeking a Senior .NET Developer in Argentina to join our dynamic team. The ideal candidate has over 5 years of experience in software development and demonstrates strong proficiency in C# and .NET Core. You will design and develop scalable backend systems, refactor existing code, and colla ...

Senior .Net Lead & Architect — Build Scalable Backends (San Juan)

Unosquare is seeking a Senior .NET Developer in Argentina to join our dynamic team. The adecuado candidate has over 5 years of experience in software development and demonstrates strong proficiency in C# and .NET Core. You will design and develop scalable backend systems, refactor existing code, and ...

Senior .NET Architect: Lead Scalable Backend Systems

Unosquare is seeking a Senior .NET Developer in Argentina to join our dynamic team. The adequate candidate has over 5 years of experience in software development and demonstrates strong proficiency in C# and .NET Core. You will design and develop scalable backend systems, refactor existing code, and co ...

Senior .Net Architect: Lead Scalable Backend Systems (San Carlos de Bariloche)

Unosquare is seeking a Senior .NET Developer in Argentina to join our dynamic team. The adecuado candidate has over 5 years of experience in software development and demonstrates strong proficiency in C# and .NET Core. You will design and develop scalable backend systems, refactor existing code, and ...

Senior Ruby Engineer Iam Security & Global Scale (San Nicolás de Los Arroyos)

EPAM Systems is seeking a Senior Ruby Developer in Buenos Aires to join our Identity and Access Management Team. This role involves designing and enhancing services for authentication and authorization, ensuring security and reliability. The idóneo candidate will have at least 3 years of expe ...

Senior Ruby Engineer — Iam Security & Auth Platform (Bahía Blanca)

EPAM Systems is looking for a Senior Ruby Developer to join our Identity and Access Management Team in Bahía Blanca, Argentina. In this role, you will design, build, and enhance authentication and authorization services, ensuring security and reliability. The idóneo candidate will have at lea ...

Senior Ruby on Rails Engineer — Remote, Long Term Contract

A tech-focused recruitment agency is seeking a Senior Ruby on Rails developer to create high-quality web applications for clients. The ideal candidate will have at least 5 years of experience, strong knowledge of relational databases, and proficiency in testing frameworks. Responsibilities include designing appl ...

Senior .Net Lead & Architect — Build Scalable Backends (San Nicolás de Los Arroyos)

Unosquare is seeking a Senior .NET Developer in Argentina to join our dynamic team. The adecuado candidate has over 5 years of experience in software development and demonstrates strong proficiency in C# and .NET Core. You will design and develop scalable backend systems, refactor existing code, and ...

Senior .NET Lead & Architect — Scalable Backend Excellence

Unosquare is looking for a Senior .NET Developer to join our team in Salta, Argentina. The successful candidate will have over 5 years of software development experience with strong proficiency in C# and .NET Core. You will be responsible for designing scalable backend systems, refactoring code, and co ...

Senior .Net Lead & Architect — Build Scalable Backends (La Plata)

Unosquare is seeking a Senior .NET Developer in Argentina to join our dynamic team. The adecuado candidate has over 5 years of experience in software development and demonstrates strong proficiency in C# and .NET Core. You will design and develop scalable backend systems, refactor existing code, and ...

Senior .NET Lead & Architect: Build Scalable Backends

Unosquare is looking for a Senior .NET Developer in Argentina to join our dynamic team. The ideal candidate must have over 5 years of software development experience and strong proficiency in C# and .NET Core. You will be responsible for designing and developing scalable backend systems, refactoring ex ...

Senior .Net Lead & Architect — Build Scalable Backends (Caseros)

Unosquare is seeking a Senior .NET Developer in Argentina to join our dynamic team. The adecuado candidate has over 5 years of experience in software development and demonstrates strong proficiency in C# and .NET Core. You will design and develop scalable backend systems, refactor existing code, and ...

Senior Mulesoft Integration Architect (Ituzaingó) (Corrientes)

Una empresa de tecnología en Argentina busca un/a MuleSoft Senior Developer / Integration Architect para unirse a su equipo. El candidato ideal debe tener más de 5 años de experiencia en desarrollo de integración con MuleSoft y experiencia en sistemas hoteleros como OPERA. Responsabilidades: ...

Senior .NET Lead & Architect: Build Scalable Backends

Unosquare is seeking a Senior .NET Developer in Argentina to join our dynamic team. The ideal candidate has over 5 years of experience in software development and demonstrates strong proficiency in C# and .NET Core. You will design and develop scalable backend systems, refactor existing code, and colla ...

Senior Frontend Architect Design System & AI Driven UI

Werben Hr is seeking a Senior Front end Developer to enhance a Design System for an Electronic Health Record platform. In this role, you will create reusable UI controls, ensuring a seamless user experience across complex workflows. The ideal candidate will have strong skills in Blazor and HTML/SCSS, e ...

Remote GenAI Engineer for Healthcare Ops & AI Workflows

TeamEx in Buenos Aires is searching for a Senior AI Developer to enhance user experiences through AI systems. This role involves designing LLM-powered agents and managing the AI system lifecycle from experimentation to deployment. The right candidate will be adept in Generative AI, work collaboratively ...

Remote GenAI Engineer for Healthcare Ops & AI Workflows

TeamEx in Buenos Aires is searching for a Senior AI Developer to enhance user experiences through AI systems. This role involves designing LLM-powered agents and managing the AI system lifecycle from experimentation to deployment. The right candidate will be adept in Generative AI, work collaboratively ...

Senior GenAI Engineer for Healthcare Ops Remote

TeamEx is seeking a Senior AI Developer to work fully remote in Buenos Aires. Your role will involve creating, developing, and managing AI-driven features that enhance user experiences in healthcare operations. You’ll be responsible for the AI system lifecycle from initial prototyping to deployment, co ...

Senior GenAI Engineer for Healthcare Ops Remote

TeamEx is seeking a Senior AI Developer to work fully remote in Buenos Aires. Your role will involve creating, developing, and managing AI-driven features that enhance user experiences in healthcare operations. You’ll be responsible for the AI system lifecycle from initial prototyping to deployment, co ...

Senior GenAI Engineer for Healthcare Ops Remote

TeamEx is seeking a Senior AI Developer based in Buenos Aires, Argentina, to design and develop AI-driven features aimed at enhancing user experiences in the healthcare sector. This fully remote position involves working on Generative AI systems and managing the entire AI system lifecycle from development to ...

Senior GenAI Engineer for Healthcare Ops Remote

TeamEx is seeking a Senior AI Developer to create and manage AI-driven products that improve user experiences. This role involves designing LLM-powered agents, implementing AI functionalities, and collaborating with diverse teams to address significant business challenges. The ideal candidate will have ...

Senior Generative AI Engineer Remote

TeamEx is seeking a Senior AI Developer to create and manage AI-driven features focused on Generative AI while working fully remotely from Buenos Aires, Argentina. This role involves implementing AI functionalities within backend applications and designing AI process flows to enhance user experiences. ...

Senior Generative AI Engineer Remote

TeamEx is seeking a Senior AI Developer to create and manage AI-driven features focused on Generative AI while working fully remotely from Buenos Aires, Argentina. This role involves implementing AI functionalities within backend applications and designing AI process flows to enhance user experiences. ...

Senior GenAI Engineer for Healthcare Ops Remote

TeamEx is seeking a Senior AI Developer to create and manage AI-driven products that improve user experiences. This role involves designing LLM-powered agents, implementing AI functionalities, and collaborating with diverse teams to address significant business challenges. The ideal candidate will have ...

Senior GenAI Engineer for Healthcare Ops Remote

TeamEx is seeking a Senior AI Developer to create and manage AI-driven products that improve user experiences. This role involves designing LLM-powered agents, implementing AI functionalities, and collaborating with diverse teams to address significant business challenges. The ideal candidate will have ...

Remote GenAI Engineer for Healthcare Ops & AI Workflows

TeamEx in Buenos Aires is searching for a Senior AI Developer to enhance user experiences through AI systems. This role involves designing LLM-powered agents and managing the AI system lifecycle from experimentation to deployment. The right candidate will be adept in Generative AI, work collaboratively ...

Remote GenAI Engineer for Healthcare Ops & AI Workflows

TeamEx in Buenos Aires is searching for a Senior AI Developer to enhance user experiences through AI systems. This role involves designing LLM-powered agents and managing the AI system lifecycle from experimentation to deployment. The right candidate will be adept in Generative AI, work collaboratively ...

Senior Generative AI Engineer Remote

TeamEx is seeking a Senior AI Developer to create and manage AI-driven features focused on Generative AI while working fully remotely from Buenos Aires, Argentina. This role involves implementing AI functionalities within backend applications and designing AI process flows to enhance user experiences. ...

Senior GenAI Engineer for Healthcare Ops Remote

TeamEx is seeking a Senior AI Developer to work fully remote in Buenos Aires. Your role will involve creating, developing, and managing AI-driven features that enhance user experiences in healthcare operations. You’ll be responsible for the AI system lifecycle from initial prototyping to deployment, co ...

Senior .NET Lead & Architect — Build Scalable Backend Systems

Unosquare is seeking a Senior .NET Developer in Argentina to join our dynamic team. The ideal candidate has over 5 years of experience in software development and demonstrates strong proficiency in C# and .NET Core. You will design and develop scalable backend systems, refactor existing code, and colla ...

Senior AI Engineer: GenAI for Healthcare Ops (Remote)

TeamEx is seeking a Senior AI Developer in Buenos Aires to lead the development and management of AI-driven products that enhance user experiences in the healthcare domain. In this fully remote role, you will work on the entire AI system lifecycle, from prototyping to deployment, ensuring high-quality standar ...

Remote GenAI Engineer for Healthcare Ops & AI Workflows

TeamEx in Buenos Aires is searching for a Senior AI Developer to enhance user experiences through AI systems. This role involves designing LLM-powered agents and managing the AI system lifecycle from experimentation to deployment. The right candidate will be adept in Generative AI, work collaboratively ...

Senior .Net Lead & Architect — Build Scalable Backends (San Carlos de Bariloche)

Unosquare is seeking a Senior .NET Developer in Argentina to join our dynamic team. The adecuado candidate has over 5 years of experience in software development and demonstrates strong proficiency in C# and .NET Core. You will design and develop scalable backend systems, refactor existing code, and ...

Senior Ruby Engineer Identity & Access Security

EPAM Systems is seeking a Senior Ruby Developer to join our Identity and Access Management Team in Mendoza, Argentina. In this role, you will design, build, and enhance critical authentication and authorization services, focusing on security and reliability. The ideal candidate will have a minimum of 3 ...

Senior Ruby Engineer For Iam Security & Scalability (Corrientes)

Overview EPAM Systems is seeking a Senior Ruby Developer to join their Identity and Access Management Team in Corrientes, Argentina. Responsibilities Designing, building, and enhancing security services. Collaborating with global teams, developing high-quality code, a ...

Senior .Net Lead & Architect — Build Scalable Backends (Moreno)

Unosquare is seeking a Senior .NET Developer in Argentina to join our dynamic team. The adecuado candidate has over 5 years of experience in software development and demonstrates strong proficiency in C# and .NET Core. You will design and develop scalable backend systems, refactor existing code, and ...

Senior .NET Backend Architect — Build Scalable Systems

Unosquare is seeking a Senior .NET Developer in Argentina to join our dynamic team. You will design and develop scalable backend systems, refactor existing code, and collaborate across teams. The ideal candidate has over 5 years of experience in software development and strong proficiency in C# and .NE ...

Senior Product Manager, DevSec Platform & Security Tools

AgileEngine is searching for a Senior Product Manager in San Miguel de Tucumán, Argentina. You will own the strategic vision for internal security tools and developer portals within a large-scale enterprise security program. The role emphasizes prioritized user stories and collaboration with stakeholders. </p ...

Senior AI Engineer: Gen AI, LLMs & Auto‑Agents (Remote)

TeamEx is searching for a Senior AI Developer to design and ship AI systems that enhance user experiences. You will be responsible for developing intelligent automation and LLM-powered agents while working in a fast-moving, fully remote environment. The ideal candidate will blend deep technical skills ...

Senior AI Engineer: Gen AI, LLMs & Auto‑Agents (Remote)

TeamEx is searching for a Senior AI Developer to design and ship AI systems that enhance user experiences. You will be responsible for developing intelligent automation and LLM-powered agents while working in a fast-moving, fully remote environment. The ideal candidate will blend deep technical skills ...

Senior AI Engineer: Gen AI, LLMs & Auto‑Agents (Remote)

TeamEx is searching for a Senior AI Developer to design and ship AI systems that enhance user experiences. You will be responsible for developing intelligent automation and LLM-powered agents while working in a fast-moving, fully remote environment. The ideal candidate will blend deep technical skills ...

Senior AI Engineer: GenAI for Healthcare Ops (Remote)

TeamEx is seeking a Senior AI Developer to design and implement AI-driven features that revolutionize user experiences. This fully remote position involves working with Generative AI, developing intelligent automation systems, and collaborating with various teams to drive impactful AI solutions. The id ...

Senior AI Engineer: GenAI for Healthcare Ops (Remote)

TeamEx is seeking a Senior AI Developer to design and implement AI-driven features that revolutionize user experiences. This fully remote position involves working with Generative AI, developing intelligent automation systems, and collaborating with various teams to drive impactful AI solutions. The id ...

Senior AI Engineer: GenAI for Healthcare Ops (Remote)

TeamEx is seeking a Senior AI Developer to design and implement AI-driven features that revolutionize user experiences. This fully remote position involves working with Generative AI, developing intelligent automation systems, and collaborating with various teams to drive impactful AI solutions. The id ...

Senior AI Engineer: Gen AI, LLMs & Auto‑Agents (Remote)

TeamEx is searching for a Senior AI Developer to design and ship AI systems that enhance user experiences. You will be responsible for developing intelligent automation and LLM-powered agents while working in a fast-moving, fully remote environment. The ideal candidate will blend deep technical skills ...

Magento PHP Specialist — Part Time (EST overlap)

Miratech is looking for an experienced Senior PHP Developer with strong Magento expertise for a part-time role focused on support and maintenance. The ideal candidate should have solid experience with eCommerce platforms, particularly Magento, and possess a strong understanding of MySQL. This position ...

Senior Python Backend Engineer for AI Driven Data Platform

EPAM Systems is seeking a Senior Python Back‑End Developer in Chubut, Argentina, to help build a supply-chain data analytics platform. This role involves developing robust back-end components using Python, optimizing databases, and managing RESTful APIs. Ideal candidates will have 3+ years of experience in we ...

Senior Python Backend Engineer Ai Driven Supply Chain (Río Cuarto)

EPAM Systems is seeking a Senior Python Back-End Developer to enhance their supply‑chain data analytics platform. The role involves developing scalable back‑end systems using Python and Flask, implementing RESTful APIs, and ensuring high performance with PostgreSQL. The adecuado candidate has ...

Senior .NET Backend Architect — Build Scalable Systems

Unosquare is seeking a Senior .NET Developer in Argentina to join our dynamic team. The ideal candidate has over 5 years of experience in software development and demonstrates strong proficiency in C# and .NET Core. You will design and develop scalable backend systems, refactor existing code, and colla ...

🚀 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 Full Stack Developer React Java Jobs in Argentina Job Search Guide, Trends and Insights