25,189+ Senior Fullstack Developer Reactjava Jobs in Buenos Aires, Argentina — Local Employers 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

Remote Android Kotlin Engineer Build High Performance Apps

Rehire is seeking an experienced Android Mobile Developer for a fully remote position. The successful candidate will be responsible for developing and maintaining high-performance Android applications while collaborating with international teams to ensure efficient production releases. The role require ...

Remote Android Kotlin Engineer Build High Performance Apps

Rehire is seeking an experienced Android Mobile Developer for a fully remote position. Candidates should possess strong expertise in Kotlin and a solid understanding of Android development. The role involves developing and maintaining high-performance Android applications, collaborating with internatio ...

Remote Senior Backend Engineer — Scale SaaS & Mentor

Velozient in Argentina is seeking a full-time remote Agentic Developer with over 8 years of experience in .NET, C#, Python, or Node.js. The role focuses on building and enhancing core product capabilities for a mission-critical SaaS platform. Responsibilities include designing scalable systems, making ...

Remote Senior Backend Engineer — Scale SaaS & Mentor

Velozient in Argentina is seeking a full-time remote Agentic Developer with over 8 years of experience in .NET, C#, Python, or Node.js. The role focuses on building and enhancing core product capabilities for a mission-critical SaaS platform. Responsibilities include designing scalable systems, making ...

Senior Backend Engineer – Remote, SaaS/AI Platform

Velozient in Argentina is seeking a full-time remote Agentic Developer with over 8 years of experience in .NET, C#, Python, or Node.js. The successful candidate will contribute to a SaaS platform, focusing on designing scalable systems and mentoring engineers. This role requires excellent English commu ...

Senior Backend Engineer Remote Architecting Scalable SaaS

Velozient in Argentina is seeking a full-time remote Agentic Developer with over 8 years of experience in .NET, C#, Python, or Node.js. The role involves contributing to a mission-critical SaaS platform, focusing on system design and enhancing core product capabilities. Responsibilities include designi ...

Senior Backend Engineer Remote SaaS/AI Platform

Velozient in Argentina is seeking a full-time remote Agentic Developer. Applicants should have over 8 years of experience in .NET, C#, Python, or Node.js. The role involves designing scalable systems and contributing to a mission-critical SaaS platform. This position includes responsibilities like ment ...

Remote Android Kotlin Engineer Build High Performance Apps

Rehire is seeking an experienced Android Mobile Developer for a fully remote position. The successful candidate will be responsible for developing and maintaining high-performance Android applications while collaborating with international teams to ensure efficient production releases. The role require ...

AI Research Engineer Large Scale LLM Systems and Innovation

Framework Ventures is seeking an innovative AI Model Developer to enhance architectures for cutting-edge models. You will lead initiatives to drive efficiency and new capabilities, requiring expertise in LLM architectures and pre-training optimization. The ideal candidate will hold a degree in Computer ...

Senior .NET Full Stack Engineer: Modernize Monolith & Azure

Solvd is looking for an experienced .NET Developer to work on existing applications and modernize backend logic related to insurance policy configuration. The role involves setup, integration, and troubleshooting of applications in a cloud environment (Azure). The ideal candidate will have 5+ years of ...

Senior Backend Engineer — Node/Python, AWS & Microservices

Silver.dev, a forward-thinking tech company in Argentina, is seeking a Back-end Developer to join their team. This role focuses on collaboration with engineers to enhance system consistency and user experience. Candidates should have over 3 years of experience with Node.js and Python, alongside familia ...

.NET Microservices Engineer | REST APIs, Azure DevOps, SQL

Avalith, located in Buenos Aires, is seeking a .Net Developer to join our fast-growing team. You will work collaboratively with peers and clients to create exceptional products. Key responsibilities include designing applications using the .Net ecosystem and developing RESTful APIs. The ideal candidate ...

Lead Mobile Engineer, Crypto Wallets & DeFi

Framework Ventures in Argentina is seeking a skilled mobile developer to lead a dynamic team in building cutting-edge mobile applications. You will work on integrating crypto wallets and defining patterns for performance and security. The ideal candidate will have extensive experience in React and Reac ...

Ejecutivo de Growth Marketing y Negocios (Remoto)

SoftMiners, ubicada en Olavarría, Argentina, busca un Business Developer para unirse a su equipo. Este rol implica gestionar relaciones con clientes y diseñar campañas de marketing efectivas. El candidato ideal tiene experiencia en ventas B2B y habilidades en marketing digital. Se ofrece un horario de ...

Senior Frontend Engineer VTEX IO & FastStore Expert

Valtech is seeking a Frontend Developer in Buenos Aires, Argentina, skilled in VTEX IO and FastStore. The ideal candidate will have over 5 years of experience in frontend technologies, proficiency in tools such as npm, Webpack, and Gulp, and familiarity with responsive development practices. The role r ...

Remote Inventory Software Engineer – Carrier Grade Telecom

Ciena is seeking a Software Developer to join their Professional Services Inventory team. This role involves designing, developing, and unit testing software for carrier grade applications. The ideal candidate will have 2-15 years of experience with expertise in Java, TypeScript, and database technolog ...

Remote Inventory Software Engineer – Carrier Grade Telecom

Ciena is seeking a Software Developer to join their Professional Services Inventory team. This role involves designing, developing, and unit testing software for carrier grade applications. The ideal candidate will have 2-15 years of experience with expertise in Java, TypeScript, and database technolog ...

Remote Inventory Software Engineer – Java/TypeScript, Neo4j/SQL

Ciena is seeking a Software Developer for their Professional Services Inventory team. This role encompasses designing, developing, and unit testing software for carrier grade applications, supporting remote work from Argentina. The ideal candidate should have 2-15 years of experience and be proficient ...

Remote NetSuite Dev: Field Service & FSM Optimization

Ryz Labs is seeking a skilled NetSuite Developer to design and optimize solutions for field operations. This remote role requires expertise in customizing NetSuite and improving Field Service Management processes. The successful candidate will collaborate with various teams to enhance service delivery ...

Senior Backend Engineer Remote SaaS/AI Platform

Velozient in Argentina is seeking a full-time remote Agentic Developer. Applicants should have over 8 years of experience in .NET, C#, Python, or Node.js. The role involves designing scalable systems and contributing to a mission-critical SaaS platform. This position includes responsibilities like ment ...

Senior Backend Engineer Remote SaaS/AI Platform

Velozient in Argentina is seeking a full-time remote Agentic Developer. Applicants should have over 8 years of experience in .NET, C#, Python, or Node.js. The role involves designing scalable systems and contributing to a mission-critical SaaS platform. This position includes responsibilities like ment ...

Remote Android Kotlin Engineer Build High Performance Apps

Rehire is seeking an experienced Android Mobile Developer for a fully remote position. Candidates should possess strong expertise in Kotlin and a solid understanding of Android development. The role involves developing and maintaining high-performance Android applications, collaborating with internatio ...

Senior Backend Engineer Remote, SaaS/AI & Mentorship

Velozient in Argentina is seeking a full-time remote Agentic Developer to enhance their mission-critical SaaS platform. Candidates should have over 8 years of experience with technologies such as .NET, C#, Python, and Node.js. This role involves designing scalable systems, making architectural decision ...

Senior Backend Engineer – Remote, SaaS/AI Platform

Velozient in Argentina is seeking a full-time remote Agentic Developer with over 8 years of experience in .NET, C#, Python, or Node.js. The successful candidate will contribute to a SaaS platform, focusing on designing scalable systems and mentoring engineers. This role requires excellent English commu ...

Senior Backend Engineer — AI Powered Event Platform

Gomry Payments in Buenos Aires is seeking a backend developer to enhance their AI-native event platform. You will be responsible for building user-facing features and improving the infrastructure performance through innovative solutions. This role emphasizes collaboration, with a focus on quality and m ...

Remote NetSuite Dev: Field Service & FSM Optimization

Ryz Labs is seeking a skilled NetSuite Developer to design and optimize solutions for field operations. This remote role requires expertise in customizing NetSuite and improving Field Service Management processes. The successful candidate will collaborate with various teams to enhance service delivery ...

Lead Linux OS Engineer — Wayland & Cross Device OS

Framework Ventures in Argentina is looking for a Lead Linux Developer to innovate and develop a secure operating system using Wayland. The ideal candidate should possess a degree in Computer Science or Engineering and extensive experience in Linux development. This position not only involves designing ...

Remote Android Kotlin Engineer Build High Performance Apps

Rehire is seeking an experienced Android Mobile Developer for a fully remote position. Candidates should possess strong expertise in Kotlin and a solid understanding of Android development. The role involves developing and maintaining high-performance Android applications, collaborating with internatio ...

Senior Backend Engineer Remote, SaaS/AI & Mentorship

Velozient in Argentina is seeking a full-time remote Agentic Developer to enhance their mission-critical SaaS platform. Candidates should have over 8 years of experience with technologies such as .NET, C#, Python, and Node.js. This role involves designing scalable systems, making architectural decision ...

Remote Inventory Software Engineer – Java/TypeScript, Neo4j/SQL

Ciena is seeking a Software Developer for their Professional Services Inventory team. This role encompasses designing, developing, and unit testing software for carrier grade applications, supporting remote work from Argentina. The ideal candidate should have 2-15 years of experience and be proficient ...

AI Research Engineer Large Scale LLM Systems and Innovation

Framework Ventures is seeking an innovative AI Model Developer to enhance architectures for cutting-edge models. You will lead initiatives to drive efficiency and new capabilities, requiring expertise in LLM architectures and pre-training optimization. The ideal candidate will hold a degree in Computer ...

LLM Powered Full Stack Engineer (React + Python)

Agileengine is seeking a Full Stack Developer in Buenos Aires to build and integrate LLM-powered features across frontend and backend systems. Responsibilities include developing React components, extending Python backend services, and working directly with LLM APIs to deliver AI-driven functionality. ...

Senior .NET Tech Lead: Cloud, CI/CD & Global Impact

EPAM Systems is seeking a seasoned software developer in Buenos Aires to lead teams and ensure the delivery of high-quality projects. You will provide technical guidance, implement improvements, and own deliverables throughout the project lifecycle. Candidates should have over 8 years of .NET experienc ...

Remote Full Stack Engineer for Social Impact (Python/Django)

Silver.dev is looking for an experienced full-stack developer to join their remote team in Argentina. Candidates should have over 8 years of experience, with strong skills in Python and SQL. The role involves developing product features, enhancing code quality, and collaborating effectively with the te ...

Remote Full Stack Engineer — Build Modern Web Apps (Flexible Hours)

Hey Support in Argentina is seeking a Full Stack Developer to design, develop, and maintain web applications. You will collaborate with a dynamic team to implement user-friendly interfaces and integrate third-party services. The ideal candidate has experience with JavaScript frameworks and server-side ...

Marketo Migration Specialist: Pardot to Marketo Expert

FPT Latin America in Buenos Aires is seeking a Marketo Developer for a migration project from Salesforce Pardot to Adobe Marketo. This hands-on role focuses on campaign migration, data integrity, and maintaining integrations. The ideal candidate should have proven experience with Marketo, strong skills ...

Marketo Migration Specialist: Pardot to Marketo Expert

FPT Latin America, based in Buenos Aires, Argentina, is searching for a Marketo Developer to aid in migrating from Salesforce Pardot to Adobe Marketo. This role involves hands-on work in campaign migration and maintaining platform integrations. The ideal candidate will have proven experience with Marke ...

Remote Salesforce RevOps & CRM Data Specialist (Argentina)

OpsArmy Careers is seeking a Salesforce Developer based in Argentina to audit and clean Salesforce data and configure CRM processes. This full-time position allows for remote work within Argentina, emphasizing growth and efficiency in tech operations. The ideal candidate should possess strong Salesforc ...

Remote Salesforce RevOps & CRM Data Specialist (Argentina)

OpsArmy Careers is seeking a Salesforce Developer based in Argentina to audit and clean Salesforce data and configure CRM processes. This full-time position allows for remote work within Argentina, emphasizing growth and efficiency in tech operations. The ideal candidate should possess strong Salesforc ...

Marketo Migration Specialist: Pardot to Marketo Expert

FPT Latin America in Buenos Aires seeks a Marketo Developer to support migration projects from Salesforce Pardot to Adobe Marketo. The role involves hands-on technical tasks including campaign migration, data integrity, and maintaining platform integrations. Successful candidates should have proven exp ...

Senior .NET & SQL Engineer — Remote, Flexible

A leading recruitment firm in Buenos Aires is seeking a skilled Software Developer to design and implement enterprise-level technology initiatives. This role involves developing scalable and fault-tolerant software solutions, analyzing workflows, and collaborating with diverse teams. The ideal candidate will hav ...

Remote WordPress Architect & AI Specialist

A global talent solution company seeks a passionate WordPress Developer / AI Specialist to take ownership of web projects. Responsibilities include building custom themes, optimizing performance, and utilizing AI tools for development. The ideal candidate will have strong skills in PHP, JavaScript, and SEO pract ...

SAP BTP Dev SSr/Sr Remote Freelance (Automotive)

Una empresa de consultoría tecnológica busca un Consultor SAP #BTP #Developer (SSr/Sr) para un proyecto en Buenos Aires. Se requiere experiencia de 3 a 7 años para perfiles SSR y 8 o más años para SR, además de deseable conocimiento en implementaciones SAP y rubro automotriz. La posición es Freelance, con trabaj ...

Remote Senior Android Engineer: Kotlin & MVVM

A software development company is seeking an Android Developer to design and implement applications. The ideal candidate must be proficient in Kotlin, have experience with APIs, and be able to communicate effectively in English and Spanish. This position allows remote work with flexible hours, requiring at least ...

Remote Senior Android Engineer: Kotlin & MVVM

A software development company is seeking an Android Developer to design and implement applications. The ideal candidate must be proficient in Kotlin, have experience with APIs, and be able to communicate effectively in English and Spanish. This position allows remote work with flexible hours, requiring at least ...

Backend Engineer for AI Powered Event Platform

Gomry Payments is seeking a backend developer to build user-facing features and enhance system performance. You will focus on optimizing databases and infrastructure, as well as implementing better observability practices to respond to operational incidents efficiently. The ideal candidate thrives in a ...

Senior Full Stack Engineer: Microservices & Fintech APIs

NIR-YU, a digital solutions provider in Argentina, is seeking a developer with expertise in Java (Spring Boot) or Node.js. In this role, you will build microservices, integrate third-party APIs, and work with event-driven architecture. Experience in databases like PostgreSQL, MySQL, or NoSQL, along wit ...

MuleSoft API Integration Expert

Eleks, a technology solutions company, is looking for an experienced developer to focus on API-led integration solutions using MuleSoft. The role requires designing and implementing integrations, collaborating with architects, and troubleshooting issues. Candidates should have a solid background in Mul ...

Senior Frontend Engineer (VTEX IO / FastStore)

Valtech is seeking a Frontend Developer in Buenos Aires, Argentina, to join our team. The ideal candidate will have 5+ years of experience working with frontend technologies, especially VTEX IO and FastStore. Responsibilities include developing responsive web applications, collaborating in Scrum teams, ...

Senior Full Stack Engineer for Auctions Marketplace

Minutentag is seeking a skilled full-stack developer to enhance our digital auction platform based in Tandil, Buenos Aires. The role encompasses both frontend and backend responsibilities, requiring expertise in technologies like Python and Next.js. The ideal candidate will have over 4 years of experie ...

🚀 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 Fullstack Developer Reactjava Jobs in Buenos Aires Job Search Guide, Trends and Insights