For employers Upload your CV

11,915+ Fullstack React Nodejs Developer Jobs in Argentina — Top Companies Hiring October 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

Generative AI Engineer – LLMs, LangChain, Remote

Rocket Stars en Buenos Aires ofrece una vacante de IA Developer SSR en remoto. Buscamos un/a profesional con experiencia en IA generativa, modelos LLM y LangChain para desarrollar soluciones innovadoras para clientes reales. Se trabajará diseñando e implementando soluciones basadas en LLMs, integrando ...

Senior Full Stack Engineer: Java/TypeScript, Remote

AgileEngine is seeking a Senior Full Stack Engineer to extend an internal developer portal and dashboard. You will work on a Java backend with a potential TypeScript frontend rewrite, integrating with Snowflake and other databases. The role emphasizes RESTful APIs, unit testing, and performance profili ...

Senior Full Stack Tech Lead for Enterprise Clinical Apps

Cognizant is seeking an experienced Full Stack Developer / Technical Lead to design, develop, modernize, and support enterprise applications. You will handle both frontend and backend engineering, ensuring secure, scalable, and compliant solutions for clinical protocol authoring, review, and publishing. < ...

MuleSoft Java Integration Engineer (Salesforce)

AgileEngine is seeking a MuleSoft Developer to own the Java/MuleSoft integration layer connecting Salesforce Service Cloud with upstream and downstream systems. You will build and maintain API integrations, manage data synchronization, and support case creation workflows with on-call rotation. Responsi ...

Senior Front End Engineer: Design Systems & Immersive Web

WPP Production is seeking a Senior Front-End Developer to help build and maintain a mature design system and a suite of shared libraries used across multiple teams. You will collaborate with designers and engineers to define interactions and governance across repositories, and drive code quality and architect ...

Elixir/Phoenix Backend Engineer — Remote & Fast Growth

Bluelight LLC is seeking an experienced backend developer to design, build, and maintain high-performance services using Elixir and the Phoenix framework. You will collaborate with product teams to translate requirements into scalable APIs and robust systems. The role emphasizes ownership, testing, and ...

Elixir/Phoenix Backend Engineer — Remote & Fast Growth

Bluelight LLC is seeking an experienced backend developer to design, build, and maintain high-performance services using Elixir and the Phoenix framework. You will collaborate with product teams to translate requirements into scalable APIs and robust systems. The role emphasizes ownership, testing, and ...

Elixir/Phoenix Backend Engineer — Remote & Fast Growth

Bluelight LLC is seeking an experienced backend developer to design, build, and maintain high-performance services using Elixir and the Phoenix framework. You will collaborate with product teams to translate requirements into scalable APIs and robust systems. The role emphasizes ownership, testing, and ...

Remote AI Systems Engineering Content Architect

Jala University seeks a senior content developer for its Master in AI Systems Engineering. You will craft module content, labs, and reference implementations, plus an evaluation harness and instructor guide to enable high-quality course delivery. Strong production AI/ML background, architecture experie ...

Elixir/Phoenix Backend Engineer — Remote & Fast Growth

Bluelight LLC is seeking an experienced backend developer to design, build, and maintain high-performance services using Elixir and the Phoenix framework. You will collaborate with product teams to translate requirements into scalable APIs and robust systems. The role emphasizes ownership, testing, and ...

IAM Backend Engineer: Build Secure, Scalable Identities

Despegar busca un Backend Developer especializado en soluciones de identidad y acceso (IAM) para unirse al equipo de Identity & Access Management. Diseñarás, construirás y escalarás soluciones de gestión de identidades para la plataforma de Despegar, integrando sistemas IAM y servicios externos mediante APIs ...

Generative AI Engineer – LLMs, LangChain, Remote

Rocket Stars en Buenos Aires ofrece una vacante de IA Developer SSR en remoto. Buscamos un/a profesional con experiencia en IA generativa, modelos LLM y LangChain para desarrollar soluciones innovadoras para clientes reales. Se trabajará diseñando e implementando soluciones basadas en LLMs, integrando ...

Generative AI Engineer – LLMs, LangChain, Remote

Rocket Stars en Buenos Aires ofrece una vacante de IA Developer SSR en remoto. Buscamos un/a profesional con experiencia en IA generativa, modelos LLM y LangChain para desarrollar soluciones innovadoras para clientes reales. Se trabajará diseñando e implementando soluciones basadas en LLMs, integrando ...

Generative AI Engineer – LLMs, LangChain, Remote

Rocket Stars en Buenos Aires ofrece una vacante de IA Developer SSR en remoto. Buscamos un/a profesional con experiencia en IA generativa, modelos LLM y LangChain para desarrollar soluciones innovadoras para clientes reales. Se trabajará diseñando e implementando soluciones basadas en LLMs, integrando ...

Generative AI Engineer – LLMs, LangChain, Remote

Rocket Stars en Buenos Aires ofrece una vacante de IA Developer SSR en remoto. Buscamos un/a profesional con experiencia en IA generativa, modelos LLM y LangChain para desarrollar soluciones innovadoras para clientes reales. Se trabajará diseñando e implementando soluciones basadas en LLMs, integrando ...

Generative AI Engineer – LLMs, LangChain, Remote

Rocket Stars en Buenos Aires ofrece una vacante de IA Developer SSR en remoto. Buscamos un/a profesional con experiencia en IA generativa, modelos LLM y LangChain para desarrollar soluciones innovadoras para clientes reales. Se trabajará diseñando e implementando soluciones basadas en LLMs, integrando ...

Elixir/Phoenix Backend Engineer — Remote & Fast Growth

Bluelight LLC is seeking an experienced backend developer to design, build, and maintain high-performance services using Elixir and the Phoenix framework. You will collaborate with product teams to translate requirements into scalable APIs and robust systems. The role emphasizes ownership, testing, and ...

Remote AI Systems Engineering Content Architect

Jala University seeks a senior content developer for its Master in AI Systems Engineering. You will craft module content, labs, and reference implementations, plus an evaluation harness and instructor guide to enable high-quality course delivery. Strong production AI/ML background, architecture experie ...

Senior Unity Engineer: Immersive VR/AR & Cross Platform

Interesno is seeking a seasoned Unity developer to lead Unity-based applications, including VR/AR and mobile/web/standalone projects. You will optimize performance across platforms, mentor junior teammates, and help shape architectural decisions while collaborating with a cross-disciplinary team. A 4+ ...

Senior AI & Agentic Systems Engineer

Overseas is seeking a Senior AI and Agentic Engineer to design and build full-stack AI applications, agentic systems, and production-grade infrastructure. You will own the React frontend, the Python/Node backend, RAG pipelines, and evaluation suites while collaborating with global clients. You will spe ...

Senior Identity Engineer: Secure Auth & Self Service

Scribd is seeking an experienced backend-leaning engineer to join the Identity squad. You will own authentication, session management, and fraud prevention while building self-service flows to reduce support load. Expect collaboration with product, security, and legal teams, and a strong emphasis on te ...

Senior Full Stack Engineer — Remote AI Driven Platform

AgileEngine is seeking a Senior or Lead Full Stack Engineer to build a multi-tenant platform for clinical operations. You will work with .NET, C#, React, and Azure to guide AI agents through planning, testing, and deployment, ensuring output quality and robust security. You will deliver end-to-end feat ...

AI Engineer (SSR/SR) – (Híbrido, CABA)

AI Engineer (SSR/SR) – Python / LLMs / RAG / Azure (Híbrido) Argentina | Híbrido Full-time Sobre el rol Buscamos un/a AI Engineer Backend para sumarse al equipo de una empresa tecnológica líder en soluciones para grandes corporaciones. El rol ...

Elixir/Phoenix Backend Engineer — Remote & Fast Growth

Bluelight LLC is seeking an experienced backend developer to design, build, and maintain high-performance services using Elixir and the Phoenix framework. You will collaborate with product teams to translate requirements into scalable APIs and robust systems. The role emphasizes ownership, testing, and ...

Generative AI Engineer – LLMs, LangChain, Remote

Rocket Stars en Buenos Aires ofrece una vacante de IA Developer SSR en remoto. Buscamos un/a profesional con experiencia en IA generativa, modelos LLM y LangChain para desarrollar soluciones innovadoras para clientes reales. Se trabajará diseñando e implementando soluciones basadas en LLMs, integrando ...

Senior Full Stack Engineer: UI & Integrations

Monks is seeking a highly skilled Sr. Full-Stack Developer to enhance our central orchestration platform. This role will bridge user experience with server-side logic, focusing on building responsive interfaces and high-performance APIs. The ideal candidate will have a strong background in ReactJS, Typ ...

Remote Webflow Webmaster — Part Time, High Impact Site

Rumzer is seeking a Webflow Developer & Webmaster to own our website's development, deployment, and upkeep. This fully remote, part-time role (80 hours per month) lets you craft pages in Webflow, keep site health, and push updates. Fluent English is required; Spanish or German skills are a plus. You th ...

Remote Webflow Webmaster – End to End Site Ownership

Rumzer is seeking a skilled Webflow Developer & Webmaster to own our online presence. This remote, part-time role (80 hours/month) offers the chance to craft pages, maintain site health, and deploy updates. You should bring 5+ years as a Webmaster, with 2+ years in Webflow, fluent English, and a startu ...

Remote Webflow Webmaster — Part Time, Own the Website

Rumzer is seeking a talented Webflow Developer and Webmaster for a fully remote, part-time role (80 hours per month). You will own the website’s development, deployment, and ongoing health, building pages in Webflow and deploying updates. You should have at least 5 years as a Webmaster and 2 years in W ...

Desarrollador Backend Java Referente técnico

Buscamos un Desarrollador Backend Java con perfil de liderazgo técnico para sumarse a nuestro equipo y participar activamente en el diseño, evolución y mejora continua de nuestros servicios backend orientados al sector asegurador. La posición está pensada para alguien que, además de desarro ...

Remote Java/MuleSoft Integration Engineer

AgileEngine in Argentina is seeking a Middle Java/MuleSoft Developer to own the integration layer connecting Salesforce Service Cloud to upstream and downstream systems. You will build and maintain API integrations, routing, and data synchronization powering case creation and orchestration. The role in ...

Senior PlatformOps Engineer for AI SaaS Platform

Helpware is hiring a Sr PlatformOps Engineer to own reliability, security, and operability of the infrastructure. You will carry classic DevOps responsibilities: CI/CD, environments, and developer enablement, with a focus on platform ownership and scalable design across tenants. You will operate AWS se ...

Senior AI Architect Generative AI for Luxury Yachting

The Ritz-Carlton Yacht Collection is seeking an experienced Senior AI Developer to design, develop, and deploy enterprise-grade generative AI solutions using AWS Bedrock, Python, and modern cloud-native architectures. You will work with LLMs, RAG, and agentic AI systems to deliver secure, scalable AI applica ...

Salesforce Service Cloud Engineer & Support (Freelance)

Baufest busca un/a Salesforce Service Cloud Developer & Support Specialist para sumarse al equipo en modalidad freelance en Argentina. Administrar y dar soporte funcional y técnico de Salesforce Service Cloud, gestionando incidencias y requerimientos de usuarios finales. Se requiere +3 años en Sales ...

Senior Laravel Back End Engineer Fintech, Hybrid

Elpixel, empresa fintech líder, busca un Back End Developer Senior y Semi Senior en Laravel para unirse a su equipo. El rol se enfocará en diseño, desarrollo y optimización de servicios PHP con alta disponibilidad. Se requiere más de 3 años de experiencia en PHP/Laravel, dominio de MySQL o PostgreSQ ...

Senior .NET/Angular Full Stack Engineer — Remote, Azure & AI

GlobalLogic Inc. is seeking a Senior Full Stack .NET/Angular developer for a health care project tied to a TPA and Architecture team. You will work across multiple technologies and areas in a remote setting. Responsibilities include building full-stack apps with .NET, .NET Core, and SQL, deploying o ...

Salesforce Marketing Cloud Dev — Data Cloud & Omnichannel

Svitla Systems, Inc. is seeking a Salesforce Developer with expertise in Salesforce Data Cloud and Marketing Cloud to drive advanced customer engagement and lifecycle marketing initiatives. The role sits in a fast-paced environment supporting US CST time zones and offers remote or office options. You w ...

Senior Laravel Back End Engineer – Fintech, Hybrid

Elpixel, empresa fintech líder, busca un Back End Developer Senior y Semi Senior en Laravel para unirse a su equipo. El rol se enfocará en diseño, desarrollo y optimización de servicios PHP con alta disponibilidad. Se requiere más de 3 años de experiencia en PHP/Laravel, dominio de MySQL o PostgreSQL, ...

Senior PlatformOps Engineer for AI SaaS Platform

Helpware is hiring a Sr PlatformOps Engineer to own reliability, security, and operability of the infrastructure. You will carry classic DevOps responsibilities: CI/CD, environments, and developer enablement, with a focus on platform ownership and scalable design across tenants. You will operate AWS ...

SSIS & SQL Migration Specialist (Oracle to SQL Server)

OZ in Argentina is seeking a highly skilled SSIS / SQL Developer to lead large-scale data migrations from Oracle to Microsoft SQL Server. You will design, develop, and optimize ETL pipelines, write complex T-SQL, and ensure data integrity throughout the migration lifecycle. Responsibilities include bui ...

Senior AI Architect Generative AI for Luxury Yachting

The Ritz-Carlton Yacht Collection is seeking an experienced Senior AI Developer to design, develop, and deploy enterprise-grade generative AI solutions using AWS Bedrock, Python, and modern cloud-native architectures. You will work with LLMs, RAG, and agentic AI systems to deliver secure, scalable AI applicat ...

Senior .NET/Angular Full Stack Engineer — Remote, Azure & AI

GlobalLogic Inc. is seeking a Senior Full Stack .NET/Angular developer for a health care project tied to a TPA and Architecture team. You will work across multiple technologies and areas in a remote setting. Responsibilities include building full-stack apps with .NET, .NET Core, and SQL, deploying on A ...

Remote Salesforce Data & Process Specialist

Agileengine is seeking a highly skilled Salesforce Developer to manage data quality, configuration, and CRM processes. The role focuses on maintaining accurate sales data and optimizing CRM workflows in a remote setting. The candidate should have strong hands-on Salesforce expertise, data-management ex ...

Remote Full Stack Dev: Node/TS, APIs & DB Mastery

Black Dragon Capital is seeking a skilled Full Stack Developer to build and optimize frontend and backend systems including APIs and database management. The role emphasizes scalable services, robust security practices, and close collaboration with design, engineering, and product teams. You will desig ...

Staff Software Python Developer / 100% Remote / CAD Payment / Advanced E... BRAZIL, ARGENTINA ·

We’re hiring: Senior Python Engineer (AWS) – Fintech Remote (Contractor, USD)Only Argentina & Brazil Advanced English is a must. Join a leading fintech company and help build scalable, high-performance services that power critical business operations. What you’ll do: ...

Senior AI Security Engineer: Build Guardrails & Safeguards

Backblaze is seeking a Senior AI Security Engineer to design and implement safeguards for internal AI usage, focusing on agentic systems, developer protection, and runtime security. This hands-on role requires building enforcement layers, identity controls, and detection capabilities to constrain and monitor ...

Pricing Technology Engineer Automation & Data Orchestration

Worldwide Clinical Trials is seeking a skilled pricing tool developer to implement, configure, and maintain pricing automation systems using VBA, SQL, and Power Platform. You will lead modernization efforts and collaborate with cross-functional teams to translate requirements into scalable solutions. <p ...

Senior Backend Architect for MCP — Production Scale (Remote)

OneSeven Tech (OST) is seeking an experienced Java Developer to build and implement server components for an innovative agentic AI project. The successful candidate will work closely with a lead to design the backend architecture, leveraging a strong foundation in Java, SQL server, and cloud integration. ...

Senior Frontend Engineer for AI Platform & Data Pipelines

Senior Software Engineer Develop and own critical frontend components for Scale's core AI products Location: Argentina About The Role We are a cutting‑edge tech company focused on developing tools that cover the full AI development lifecycle. Our partners include indus ...

Account Executive Technology

About Huzzle At Huzzle, we connect exceptional talent with top opportunities at leading companies across the UK, US, Canada, Europe, and Australia. Our clients include fast-growing startups, digital agencies, SaaS companies, and tech-enabled businesses across industries such as MarTech, FinTech, EdTe ...

🚀 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 →

    Fullstack React Nodejs Developer Jobs in Argentina Job Search Guide, Trends and Insights