14,355+ Senior Reactnodejs Fullstack Developer 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

Senior Data Scientist: MMM & ML Deployment (Remote)

AgileEngine, LLC is seeking a Senior Data Scientist to lead the implementation of Marketing Mix Modeling within a cross‑channel optimization product. You will own end‑to‑end MMM projects using Bayesian frameworks, build production‑ready models in Python and SQL, and collaborate with MLOps to set the deploymen ...

Senior DevOps Engineer Cloud Automation & SRE (Remote)

AgileEngine, LLC is seeking a Senior DevOps Engineer to support a Dev Environments team, optimizing infrastructure, enabling cost-saving automation, and driving operational excellence for internal tooling and cloud environments. You will design and maintain CI/CD pipelines using GitLab CI, manage IaC with Ter ...

Senior Java Engineer Remote, Flexible Hours, Growth

AgileEngine is seeking a Senior Java Engineer to implement features, build integrations, and maintain the Metadata Bus platform supporting Indeed’s Compliance infrastructure. You will design and integrate REST APIs across MongoDB and SQL databases, troubleshoot complex integrations, and collaborate with multi ...

Senior Salesforce Data Cloud Analyst Remote & Flexible

AgileEngine seeks a Senior Business Analyst to support Indeed’s migration from a legacy MDM platform to Salesforce Data Cloud, partnering with marketing and product teams to translate requirements into scalable data solutions. You will design data flows in Salesforce Data Cloud, validate pipelines usin ...

Senior Data Scientist MMM Modeling & Bayesian ML

AgileEngine, LLC. is seeking a Senior Data Scientist to lead the implementation of a Marketing Mix Modeling framework into a cross-channel optimization product, building client-specific MMM models using Bayesian frameworks including Meridian and Robin. You will develop scalable, production-ready models ...

Senior Java Backend Engineer — Remote & Flexible Hours

AgileEngine is seeking a Senior Java Engineer to implement new features, build integrations, and maintain the Metadata Bus platform supporting Indeed’s Compliance infrastructure. You will design and integrate REST APIs with internal and external systems, and work across MongoDB and SQL databases. Join ...

Senior Java Engineer: APIs & Integrations (Remote/Flex)

AgileEngine is seeking a Senior Java Engineer to implement new features and integrations for the Metadata Bus platform supporting Indeed’s Compliance infrastructure. You will design and integrate REST APIs with internal and external systems, work across MongoDB and SQL databases, and collaborate with multiple ...

Senior Java Engineer: API Integrations & Cloud Flextime

AgileEngine is seeking a Senior Java Engineer to implement features, build integrations, and maintain the Metadata Bus platform supporting Indeed’s Compliance infrastructure. You will design and integrate REST APIs with internal and external systems, work across MongoDB and SQL databases, troubleshoot complex ...

Senior DevOps Engineer Remote, SRE & CI/CD

AgileEngine is seeking a Senior DevOps Engineer to support the Dev Environments team, optimizing infrastructure, automating costs, and delivering reliable internal tooling on AWS. You will design and maintain CI/CD pipelines with GitLab CI, implement IaC with Terraform and Ansible, and write Python automation ...

Senior Java Backend Engineer — Remote & Flexible Hours

AgileEngine is seeking a Senior Java Engineer to implement new features, build integrations, and maintain the Metadata Bus platform supporting Indeed’s Compliance infrastructure. You will design and integrate REST APIs with internal and external systems, and work across MongoDB and SQL databases. Join ...

Senior AppSec Engineer AI Driven Secure SDLC

AgileEngine, LLC. in Buenos Aires seeks a Senior Application Security Engineer to architect and build automated security layers within the SDLC, implement AI-enabled secure code scanning, and integrate CI/CD security tooling for a large-scale financial services program. You will mainly work in Python t ...

Senior Java Backend Engineer — Remote & Flexible Hours

AgileEngine is seeking a Senior Java Engineer to implement new features, build integrations, and maintain the Metadata Bus platform supporting Indeed’s Compliance infrastructure. You will design and integrate REST APIs with internal and external systems, and work across MongoDB and SQL databases. Join ...

Senior Frontend Engineer — AI Driven Email Personalization

AgileEngine is seeking a Senior/Lead Frontend Engineer to craft scalable, data-heavy email experiences. You will build personalized templates with React and Apache Velocity, consuming APIs to drive logic and personalization across email channels. You will translate designs into modular email components ...

Senior Java Backend Engineer — Remote & Flexible Hours

AgileEngine is seeking a Senior Java Engineer to implement new features, build integrations, and maintain the Metadata Bus platform supporting Indeed’s Compliance infrastructure. You will design and integrate REST APIs with internal and external systems, and work across MongoDB and SQL databases. Join ...

Salesforce Data Cloud Senior BA — Remote & Flexible

AgileEngine is seeking a Senior Business Analyst to support an enterprise migration from a legacy MDM to Salesforce Data Cloud. You will work with marketing and product teams to translate requirements into scalable cloud data workflows, validate pipelines with SQL and Snowflake, and connect data teams with le ...

Senior Business Analyst — Salesforce Data Cloud (Remote)

AgileEngine, LLC. is seeking a Senior Business Analyst to support Salesforce Data Cloud migration and design scalable data flows in collaboration with marketing and product teams. You will translate requirements into Salesforce Data Cloud use cases and validate data pipelines to ensure high-quality dat ...

Senior Java Backend Engineer — Remote & Flexible Hours

AgileEngine is seeking a Senior Java Engineer to implement new features, build integrations, and maintain the Metadata Bus platform supporting Indeed’s Compliance infrastructure. You will design and integrate REST APIs with internal and external systems, and work across MongoDB and SQL databases. Join ...

Senior Frontend Engineer — Email Personalization & AI Remote

AgileEngine, LLC. is seeking a Senior/Lead Frontend Engineer to craft highly scalable, data-driven email experiences at the intersection of frontend engineering and lifecycle marketing. You will develop personalized, data-heavy email templates and reusable components using React and Apache Velocity, co ...

Senior React Native Engineer Offline First, Distributed

AgileEngine in Argentina is seeking a Senior Software Engineer to design and implement a multi-tier sync architecture for a high-volume QSR platform. You will work across local device store, restaurant edge, and cloud backend, applying conflict-resolution strategies and ensuring offline-first guarantees. ...

Senior Program Manager – Japanese Speaking PMO (Remote)

AgileEngine, LLC. in Rosario, Argentina, is seeking a Senior Program Manager with advanced Japanese language skills to lead an Application Security program. You will coordinate code hygiene, manage change initiatives, and track progress and risks across PMO teams. The role requires 8+ years in program ...

Senior Java Engineer — Remote, API Integrations & Cloud

AgileEngine, LLC. is seeking a Senior Java Engineer to implement new features on the Metadata Bus platform, design REST APIs, and ensure robust integrations for our compliance infrastructure. You will work across MongoDB and SQL databases, optimize data models, and contribute to CI/CD pipelines and clo ...

Senior AI Driven AppSec Engineer — Remote/Flex

AgileEngine, LLC. in Rosario, Argentina, is seeking a Senior Application Security Engineer to architect and build automated security layers within the SDLC, delivering AI-enabled secure code scanning, hardened automation, and CI/CD security tooling integration for a large-scale financial services program. </p ...

Senior Java Backend Engineer — Remote & Flexible Hours

AgileEngine is seeking a Senior Java Engineer to implement new features, build integrations, and maintain the Metadata Bus platform supporting Indeed’s Compliance infrastructure. You will design and integrate REST APIs with internal and external systems, and work across MongoDB and SQL databases. Join ...

Senior Data Scientist MMM Lead (Remote/Flexible)

AgileEngine is seeking a Senior Data Scientist to lead the implementation of a Marketing Mix Modeling framework into a cross-channel optimization product. You will build client-specific MMM models using Bayesian frameworks and develop scalable, production-ready data science solutions in Python, SQL, and AWS. ...

Senior Backend Engineer Go/GCP Microservices (Remote)

AgileEngine is seeking a Lead Backend Engineer to design and build scalable microservices in Golang as part of a cloud-native modernization on Google Cloud Platform. You will own infrastructure provisioning with Terraform and migrate data to Cloud SQL/Spanner, collaborating with mobile engineers on API schema ...

Senior Elixir Engineer — Remote, LiveView & Evented Systems

RYZ Labs is seeking a Senior Software Engineer to join one of our client’s teams in the sports merchandising industry. The role focuses on developing, maintaining, and evolving a service-oriented, event-driven ecosystem using Elixir, Phoenix, LiveView, PostgreSQL, and RabbitMQ. You will work in a distr ...

Senior Elixir Engineer — Remote, LiveView & Evented Systems

RYZ Labs is seeking a Senior Software Engineer to join one of our client’s teams in the sports merchandising industry. The role focuses on developing, maintaining, and evolving a service-oriented, event-driven ecosystem using Elixir, Phoenix, LiveView, PostgreSQL, and RabbitMQ. You will work in a distr ...

Ingeniero de Instrumentación y Control – Semi Senior

CSI busca un/a Ingeniero/a de Instrumentación Semi Senior para sumarse al equipo de Ingeniería Eléctrica y participar en proyectos industriales, energéticos y de procesos. Se trabajará en estándares globales, integrando equipos multidisciplinarios y con autonomía para ejecutar actividades de instrument ...

Senior Elixir Engineer — Remote, LiveView & Evented Systems

RYZ Labs is seeking a Senior Software Engineer to join one of our client’s teams in the sports merchandising industry. The role focuses on developing, maintaining, and evolving a service-oriented, event-driven ecosystem using Elixir, Phoenix, LiveView, PostgreSQL, and RabbitMQ. You will work in a distr ...

Senior Windows Desktop Architect Lead UI & Accessibility

Speechify is seeking a Senior Software Engineer to lead the design, architecture, and development of native Windows desktop applications using Windows App SDK, WinUI, C#, XAML, and occasionally C++. You will drive best practices, ensure accessibility, collaborate with product designers, and mentor engineers w ...

Senior Elixir Engineer — Remote, LiveView & Evented Systems

RYZ Labs is seeking a Senior Software Engineer to join one of our client’s teams in the sports merchandising industry. The role focuses on developing, maintaining, and evolving a service-oriented, event-driven ecosystem using Elixir, Phoenix, LiveView, PostgreSQL, and RabbitMQ. You will work in a distr ...

Senior Elixir Engineer — Remote, LiveView & Evented Systems

RYZ Labs is seeking a Senior Software Engineer to join one of our client’s teams in the sports merchandising industry. The role focuses on developing, maintaining, and evolving a service-oriented, event-driven ecosystem using Elixir, Phoenix, LiveView, PostgreSQL, and RabbitMQ. You will work in a distr ...

Senior Elixir Engineer — Remote, LiveView & Evented Systems

RYZ Labs is seeking a Senior Software Engineer to join one of our client’s teams in the sports merchandising industry. The role focuses on developing, maintaining, and evolving a service-oriented, event-driven ecosystem using Elixir, Phoenix, LiveView, PostgreSQL, and RabbitMQ. You will work in a distr ...

Senior Backend Engineer Java & AI Systems (Hybrid)

Lato Jobs busca un Ingeniero de Software Senior para un rol de tiempo completo en Buenos Aires, Argentina, con modalidad híbrida. Diseñarás arquitecturas escalables con foco en seguridad, rendimiento y coste, y desarrollarás características end‑to‑end para el dominio de Afiliados. Se requiere experienc ...

Senior Java Staff Engineer Microservices & Cloud Lead

dLocal in Buenos Aires, Argentina, seeks a Staff Engineer (Java) to lead design and delivery of reliable Java microservices for finance core and reconciliation. You will define engineering standards, drive automation, and mentor teammates through reviews and knowledge sharing. The role requires deep Ja ...

Senior Biodiversity Lead for High Altitude Mining

First Quantum Minerals Ltd está buscando un Superintendente de Biodiversidad para apoyar un proyecto minero en la región de Salta, Argentina. Debe aportar conocimientos técnicos en biodiversidad y ecología para evaluar, gestionar y supervisar impactos en ecosistemas de gran altitud. Las responsabilidad ...

Senior Elixir Engineer — Remote, LiveView & Evented Systems

RYZ Labs is seeking a Senior Software Engineer to join one of our client’s teams in the sports merchandising industry. The role focuses on developing, maintaining, and evolving a service-oriented, event-driven ecosystem using Elixir, Phoenix, LiveView, PostgreSQL, and RabbitMQ. You will work in a distr ...

Senior Designated Services Engineer – Customer Success Liaison

WEKA in Buenos Aires, Argentina, seeks a Senior Designated Services Engineer to strengthen customer success for leading enterprises. You will resolve complex technical issues, bridge gaps between customers and Engineering, and drive higher customer satisfaction through proactive monitoring and thorough docume ...

Senior QA Automation Engineer — AI API & Serverless

AgileEngine, LLC. is looking for a Senior QA Automation Engineer to own the quality strategy for serverless middleware powering ordering, loyalty, payments, and third‑party integrations across a major consumer platform. You will design and maintain automated test suites for RESTful APIs and event‑drive ...

Senior Designated Services Engineer – Customer Success Liaison

WEKA in Buenos Aires, Argentina, seeks a Senior Designated Services Engineer to strengthen customer success for leading enterprises. You will resolve complex technical issues, bridge gaps between customers and Engineering, and drive higher customer satisfaction through proactive monitoring and thorough docume ...

Remote Senior AI Engineer LLM & Prompt Expert

Yuno is seeking a Senior AI Engineer to lead AI-driven product initiatives built on large language models. You will design prompts, implement scalable AI capabilities, and work with cross‑functional teams to embed AI into our payment orchestration platform. The role emphasizes hands‑on Python developme ...

Senior Designated Services Engineer – Customer Success Liaison

WEKA in Buenos Aires, Argentina, seeks a Senior Designated Services Engineer to strengthen customer success for leading enterprises. You will resolve complex technical issues, bridge gaps between customers and Engineering, and drive higher customer satisfaction through proactive monitoring and thorough docume ...

Senior Designated Services Engineer – Customer Success Liaison

WEKA in Buenos Aires, Argentina, seeks a Senior Designated Services Engineer to strengthen customer success for leading enterprises. You will resolve complex technical issues, bridge gaps between customers and Engineering, and drive higher customer satisfaction through proactive monitoring and thorough docume ...

Senior React Native Engineer — Offline First Sync

AgileEngine is seeking a Senior Software Engineer to design and implement a multi-tier sync architecture for a high-volume QSR platform. You will work across local device stores, restaurant edge, and cloud backend with offline-first guarantees, applying conflict-resolution strategies and event-driven patterns ...

Ingeniero de Procesos Senior – Facilities Oil & Gas

RSN busca un Ingeniero/a de Procesos Senior para liderar proyectos de Facilities Oil & Gas en Buenos Aires, coordinando ingeniería multidisciplinaria y gestionando contratistas externos. La posición requiere experiencia en plantas de superficie, redes y ductos, dominio de Aspen HYSYS/PIPESIM y nivel de ...

Senior QA Automation Engineer Remote & Flexible Growth

AgileEngine is seeking a Senior QA Automation Engineer to own quality for serverless middleware services powering a major consumer platform. You will design and maintain automated test suites for RESTful APIs and event-driven architectures on AWS, run performance tests, validate partner integrations, and inte ...

Senior Backend Engineer AI Powered Serverless Scale

AgileEngine, LLC. is seeking a Senior Backend Engineer to design scalable middleware powering digital ordering, payments, loyalty, and third‑party integrations. You will develop serverless apps with AWS Lambda/API Gateway, and build Node.js/TypeScript microservices with Terraform for infrastructure as ...

Senior Designated Services Engineer – Customer Success Liaison

WEKA in Buenos Aires, Argentina, seeks a Senior Designated Services Engineer to strengthen customer success for leading enterprises. You will resolve complex technical issues, bridge gaps between customers and Engineering, and drive higher customer satisfaction through proactive monitoring and thorough docume ...

Senior Front End Engineer React & Next.js (Remote)

SOFTGIC is seeking a highly skilled Front-End Engineer with deep React and Next.js expertise to build enterprise-grade web apps. You will work on data-intensive platforms, optimize frontend performance, and integrate with secure APIs and authentication systems in a fully remote setting. The role requir ...

Senior AppSec Engineer AI Driven DevSecOps (Remote)

AgileEngine is seeking a Senior Application Security Engineer to architect and build automated security layers within the SDLC, focusing on AI-enabled secure code scanning, hardened automation, and CI/CD security tooling for a large-scale financial services program. You will work in Python and Java to ...

🚀 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 Reactnodejs Fullstack Developer Jobs in Argentina Job Search Guide, Trends and Insights