Senior Fullstack Developer Reactjava Jobs in Buenos Aires, Argentina

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Remote Backend Engineer — Flexible Hours & Impact

Avature is seeking a backend software developer to join their team in Buenos Aires. You'll engage in developing sophisticated products while maintaining high availability and performance standards. This position provides flexibility for remote work or office attendance. The ideal candidate should be fl ...

AI/LLM Engineer: Python, LangChain, RAG & Lambda

OneSeven Tech (OST) in Buenos Aires is seeking an experienced AI Developer to lead the development of AI features using LLM APIs. You will own the end-to-end development of solutions focused on reliability, accuracy, and scalability. The ideal candidate must have strong Python skills, hands-on experien ...

Senior .NET Full Stack Engineer: Modernize Monolith & Azure

Solvd is looking for an experienced .NET Developer in Buenos Aires. You will be responsible for setting up and architecting a .NET monolithic application, implementing backend logic for insurance policies, and ensuring deployment in Azure. The ideal candidate should have over 5 years of experience with ...

Senior Backend Engineer — AI Powered Event Platform

Gomry Payments, located in Ciudadela, Argentina, is seeking a skilled backend developer to enhance our AI-native event platform. You will be responsible for building user-facing features and improving database performance through innovative solutions. You will join a small team dedicated to quality and ...

Senior Full Stack Engineer: Microservices & Fintech APIs

NIR-YU, a digital solutions provider in Buenos Aires, Argentina, is seeking a developer with strong expertise in Java (Spring Boot) or Node.js. Key responsibilities include building microservices and RESTful APIs, integrating third-party APIs, and working in a fast-paced environment. The ideal candidat ...

Remote Senior React Native Engineer

Bluelight, a leading software consultancy in Buenos Aires, is seeking an experienced React Native Developer to join our dynamic team. The ideal candidate should have over 4 years of experience in building and maintaining mobile applications for iOS and Android. Responsibilities include developing high- ...

Senior API Engineer SDUI & Backend Reliability Lead

TurnKey Tech Staffing is seeking an experienced Backend Developer to lead the design and operation of APIs for Server-Driven UI. In this role, you will own backend services, mentor peers, and enhance system reliability. The ideal candidate has a minimum of 7 years in microservices, strong OOP practices ...

MuleSoft API Integration Engineer for Scalable Solutions

Eleks, a technology solutions company based in Buenos Aires, Argentina, is seeking an experienced developer for API-led integration solutions using MuleSoft. The role includes designing, implementing integrations, and collaborating with architects and business analysts. Candidates should possess solid ...

Hyperautomation & Automation Engineer (n8n)

Baufest está buscando un/a Automation & Hyperautomation Developer (n8n) en Argentina para unirse a su equipo. El rol implica diseñar, desarrollar e implementar flujos de automatización, integrar APIs y mejorar procesos de negocio. Se valorará experiencia con n8n y otras herramientas de automatización. Ofrecen be ...

Hyperautomation & Automation Engineer (n8n)

Baufest está buscando un/a Automation & Hyperautomation Developer (n8n) en Argentina para unirse a su equipo. El rol implica diseñar, desarrollar e implementar flujos de automatización, integrar APIs y mejorar procesos de negocio. Se valorará experiencia con n8n y otras herramientas de automatización. Ofrecen be ...

Remote Laravel & React Engineer — Growth & Flex Hours

Bluelight Consulting, a leading software consultancy in Buenos Aires, is looking for a skilled Laravel developer with at least 4 years of experience, particularly with Laravel 8 and above. The role offers competitive salary and bonuses, a generous paid-time-off policy, flexible working hours, and the option to w ...

Remote Laravel & React Engineer — Growth & Flex Hours

Bluelight Consulting in Rosario, Argentina is seeking a skilled software developer with over 4 years of experience in Laravel, particularly Laravel 8 and above. This role allows you to thrive in a dynamic environment and work on impactful, high-quality applications. Competitive salary, generous paid-time-off, fl ...

Senior Python+React Full Stack Engineer for AI Platform

Intellectsoft is looking for an experienced software developer to build scalable backend services and APIs using Python and FastAPI. You will work on impactful projects, develop clean code, and collaborate closely with product and design teams. The ideal candidate has strong skills in Python and React. ...

Cybersecurity Integrations Architect & API Engineer

Silver.dev is looking for an experienced developer to enhance and create integration connectors for security platforms. The ideal candidate will have over 3 years of expertise in Python and hands-on experience with SIEM and EDR tools. You will work on maintaining existing connectors, building new solut ...

Senior Python & React Full Stack Engineer Remote

Intellectsoft is seeking an experienced software developer in Argentina to build scalable backend services using Python and FastAPI. The ideal candidate will have over 7 years of software development experience with strong skills in Python and React.js. This role offers excellent benefits, including fl ...

Remote Android Kotlin Engineer Build High Performance Apps

Rehire, a technology support company, is seeking an experienced Android Mobile Developer for a fully remote position. The role requires strong expertise in Kotlin and Android development. Responsibilities include developing and maintaining high-performance Android applications, collaborating with inter ...

Senior Backend Engineer Remote Architecting Scalable SaaS

Velozient in Argentina is seeking a full-time remote Agentic Developer with over 8 years of experience to contribute to a mission‑critical SaaS platform. The ideal candidate will focus on building and enhancing core product capabilities while mentoring other engineers. Key responsibilities include desi ...

Senior Backend Engineer Remote Architecting Scalable SaaS

Velozient in Argentina is looking for 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 designing scalable systems and mentoring engineers. The ideal candidate will have e ...

Senior Java Backend Architect — Hybrid (AWS, Spring, CI/CD)

Flux It, una empresa tecnológica innovadora en Buenos Aires, busca un Java Developer Sr. con más de 5 años de experiencia en desarrollo backend y sólidos conocimientos en arquitecturas escalables. Este rol híbrido permite trabajar desde casa y en la oficina una vez por semana. Se ofrecen beneficios com ...

Senior Backend Engineer SaaS/AI, Remote & Mentorship

Velozient in Argentina is looking for a full-time, remote Agentic Developer with over 8 years of experience in .NET, C#, Python, Node.js, or similar. You will contribute to a mission-critical SaaS platform, focusing on building and enhancing core product capabilities. The role includes designing scalab ...

Remote Blockchain Engineer: Solidity & TS — Equity

Silver.dev, a leading blockchain company in Argentina, is seeking an experienced software developer to join their remote team. You will develop new features using Node.js and TypeScript, design and deploy Solidity smart contracts, and contribute to CI/CD processes. The ideal candidate should have over ...

Remote Senior Backend Engineer — Scale SaaS & Mentor

Velozient in Argentina is seeking an experienced Agentic Developer for a full-time remote position. The role focuses on contributing to a mission-critical SaaS platform, enhancing its core product capabilities. Ideal candidates will have over 8 years of experience with technologies such as .NET, C#, Py ...

Remote Senior Backend Engineer — Scale SaaS & Mentor

Velozient in Argentina is seeking an experienced Agentic Developer for a full-time remote position. The role focuses on contributing to a mission-critical SaaS platform, enhancing its core product capabilities. Ideal candidates will have over 8 years of experience with technologies such as .NET, C#, Py ...

Senior Frontend Engineer: VTEX IO Specialist

Valtech is seeking a Frontend Developer in Buenos Aires, Argentina, with strong expertise in VTEX IO and FastStore. The ideal candidate has over 5 years in frontend technologies, proficiency with SASS or LESS, and familiarity with Node.js. The role demands responsive development skills and a good grasp ...

Salesforce Commerce Cloud Dev — Remote, Growth & PWA

NTT DATA busca un/a Salesforce Commerce Cloud Developer para diseñar y mantener soluciones eficientes en su plataforma. Buscamos un perfil con sólidos conocimientos técnicos y experiencia en desarrollos front-end utilizando tecnologías como PWA o React. Ofrecemos un ambiente laboral en equipos ágiles, ...

Senior Remote Full Stack Laravel & React Engineer

Bluelight Consulting LLC is seeking a skilled software developer with 4+ years of Laravel experience in Córdoba, Argentina. The role focuses on delivering high-quality applications and fostering a positive, collaborative environment. Candidates should have expertise in Laravel 8+, Eloquent ORM, and frontend tech ...

Senior Remote Full Stack Laravel & React Engineer

Bluelight Consulting LLC is seeking a skilled software developer with 4+ years of Laravel experience in Córdoba, Argentina. The role focuses on delivering high-quality applications and fostering a positive, collaborative environment. Candidates should have expertise in Laravel 8+, Eloquent ORM, and frontend tech ...

Integrations Engineer SaaS & API Solutions

Toolbox OTT in Argentina is seeking an Integrations Developer to incorporate new clients into its SaaS solutions effectively. This role requires strong communication skills and technical expertise, focusing on creating and maintaining integration pipelines. The ideal candidate should be proactive, poss ...

Integrations Engineer SaaS & API Solutions

Toolbox OTT in Argentina is seeking an Integrations Developer to incorporate new clients into its SaaS solutions effectively. This role requires strong communication skills and technical expertise, focusing on creating and maintaining integration pipelines. The ideal candidate should be proactive, poss ...

Backend Engineer, Wallets: Scalable & Secure Microservices

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

Backend Engineer, Wallets: Scalable & Secure Microservices

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

Remote Laravel & React Engineer — Growth & Flex Hours

Bluelight Consulting in Buenos Aires is seeking a skilled software developer with at least 4 years of experience in Laravel development. You will work in a collaborative environment developing high-quality applications that meet client needs. The position offers competitive salary, flexible working hours, and op ...

Remote Laravel & React Engineer — Growth & Flex Hours

Bluelight Consulting in Buenos Aires is looking for a skilled developer with extensive experience in Laravel (version 8 and above) and proficiency in testing tools such as Pest PHP and PHPUnit. The ideal candidate will work in a dynamic environment, contributing to meaningful projects while also enjoying competi ...

Remote Laravel & React Engineer — Growth & Flex Hours

Bluelight Consulting in Rosario, Argentina is seeking a skilled software developer with over 4 years of experience in Laravel, particularly Laravel 8 and above. This role allows you to thrive in a dynamic environment and work on impactful, high-quality applications. Competitive salary, generous paid-time-off, fl ...

Remote Laravel & React Engineer — Growth & Flex Hours

Bluelight Consulting, a leading software consultancy in Buenos Aires, is looking for a skilled Laravel developer with at least 4 years of experience, particularly with Laravel 8 and above. The role offers competitive salary and bonuses, a generous paid-time-off policy, flexible working hours, and the option to w ...

Remote Laravel & React Engineer — Growth & Flex Hours

Bluelight Consulting in Buenos Aires is seeking a skilled software developer with at least 4 years of experience in Laravel development. You will work in a collaborative environment developing high-quality applications that meet client needs. The position offers competitive salary, flexible working hours, and op ...

Remote Laravel & React Engineer — Growth & Flex Hours

Bluelight Consulting, a leading software consultancy in Buenos Aires, is looking for a skilled Laravel developer with at least 4 years of experience, particularly with Laravel 8 and above. The role offers competitive salary and bonuses, a generous paid-time-off policy, flexible working hours, and the option to w ...

Remote Laravel & React Engineer — Growth & Flex Hours

Bluelight Consulting in Buenos Aires is seeking a skilled software developer with at least 4 years of experience in Laravel development. You will work in a collaborative environment developing high-quality applications that meet client needs. The position offers competitive salary, flexible working hours, and op ...

Remote Laravel & React Engineer — Growth & Flex Hours

Bluelight Consulting in Buenos Aires is looking for a skilled developer with extensive experience in Laravel (version 8 and above) and proficiency in testing tools such as Pest PHP and PHPUnit. The ideal candidate will work in a dynamic environment, contributing to meaningful projects while also enjoying competi ...

Remote Laravel & React Engineer — Growth & Flex Hours

Bluelight Consulting in Rosario, Argentina is seeking a skilled software developer with over 4 years of experience in Laravel, particularly Laravel 8 and above. This role allows you to thrive in a dynamic environment and work on impactful, high-quality applications. Competitive salary, generous paid-time-off, fl ...

Remote Laravel & React Engineer — Growth & Flex Hours

Bluelight Consulting in Buenos Aires is looking for a skilled developer with extensive experience in Laravel (version 8 and above) and proficiency in testing tools such as Pest PHP and PHPUnit. The ideal candidate will work in a dynamic environment, contributing to meaningful projects while also enjoying competi ...

Remote Full Stack Magento 2 & WordPress Engineer

Bluelight Consulting LLC in Mendoza, Argentina is seeking a Full Stack Developer to manage and maintain clients' Magento and WordPress systems. You'll ensure stability and execute seamless deployments, with a focus on performance and security. The ideal candidate has deep experience in Magento 2.x, Wor ...

Remote Full Stack Magento 2 & WordPress Engineer

Bluelight Consulting LLC in Mendoza, Argentina is seeking a Full Stack Developer to manage and maintain clients' Magento and WordPress systems. You'll ensure stability and execute seamless deployments, with a focus on performance and security. The ideal candidate has deep experience in Magento 2.x, Wor ...

Lead Ruby Engineer – Secure Auth & Scalable Backend

EPAM Systems in Buenos Aires is seeking a Lead Ruby Developer to advance secure authentication and authorization services. In this role, you will guide key technical efforts, enhance code quality, and collaborate across teams to shape the platform. The ideal candidate has 5+ years of experience, deep e ...

Lead Ruby Engineer: Build Secure, Scalable Auth

EPAM Systems is looking for a Lead Ruby Developer to enhance our Identity and Access Management Team. You will develop reliable authentication services, collaborate with teams, and ensure high code quality. Ideal candidates have 5+ years of software engineering experience, are proficient in Ruby, React ...

Remote Backend Engineer Scalable, High Availability

Avature is seeking a Backend Software Developer to enhance our sophisticated products while contributing to a flexible and engaging work environment. Candidates should possess expertise in PHP, Python, or Java and demonstrate strong analytical skills. This role allows for remote work with an emphasis o ...

Backend Engineer — AI‑Native Event Platform

Gomry Payments in San Miguel, Buenos Aires is seeking a backend developer to enhance user-facing features and improve database performance. The ideal candidate will work on scaling services through architectural changes and refining software development processes. The position emphasizes a culture of t ...

Remote Python Backend Engineer for AI Platform (Contract)

BriteCore is seeking a skilled AI Developer to drive our product's innovation through advanced AI solutions. The ideal candidate will work remotely from Argentina or Brazil, and must have over 5 years in Python, alongside substantial experience in SaaS environments. This role involves pushing AI agents ...

Senior Full Stack Engineer: Microservices & Fintech APIs

NIR-YU in Bahía Blanca, Argentina, is looking for a skilled developer proficient in Java (Spring Boot) or Node.js. The ideal candidate will have experience building microservices and RESTful APIs, along with expertise in integrating third-party APIs. Essential skills include knowledge of databases like ...

MuleSoft API Integration Engineer for Scalable Solutions

Eleks, a technology solutions company in Argentina, is looking for an experienced developer focused on API-led integration solutions using MuleSoft. The role requires designing and implementing integrations, working closely with architects and business analysts, and addressing integration issues. Candi ...

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