76,275+ Senior Fullstack Engineer Reactnode Cloudnative Python Jobs in Argentina — Top Companies Hiring June 2026

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ARG Senior Reverse Engineer / Vulnerability researcher

Join our R&D Team to hunt and exploit bugs deep in System-on-Chips (SoC), mobile platforms, or IoT devices. We dive into bootchains, basebands, firmwares, secure enclaves, and low-level protocols, finding vulnerabilities that shape the next generation of security defenses. You’ll work with ...

Senior Reverse Engineer & Vulnerability Researcher — Remote

Quarkslab is seeking a skilled researcher to join its R&D Team in Argentina, focusing on vulnerabilities in System-on-Chips and IoT devices. You'll collaborate with world-class engineers to reverse engineer complex binaries and develop proof of concepts. Key responsibilities include fuzzing campaigns, ...

Senior Java Engineer Remote Backend Innovator

005_INAR Intive SA is seeking a skilled backend developer to design and maintain applications using Java and Spring Boot. You will implement REST APIs and work with SQL/NoSQL databases, while ensuring code quality through unit testing and collaboration with cross-functional teams. The ideal candidate h ...

Senior Cloud Engineer Cloud WAN & Networking

EPAM Systems is seeking a Senior Cloud Engineer to join our team in Argentina. You will own the strategy, design, and operations of enterprise cloud networking, enabling development teams to function efficiently while maintaining governance. The ideal candidate will have strong experience with AWS, VPC ...

Senior Backend Engineer Fintech Microservices (AWS)

PedidosYa, ubicada en Argentina, está buscando ingenieros e ingenieras para unirse al equipo de Ingeniería de Fintech. Este rol involucra la construcción de soluciones financieras que impactan a millones de usuarios, desafiando a los desarrolladores a resolver problemas técnicos complejos. Los candidat ...

Senior RPA & Automation Engineer – Mentor & Build

Ciklum is looking for a Senior Agentic Engineer to join their team in Argentina. In this role, you will be responsible for designing integrations and building automation solutions, as well as mentoring junior developers. The ideal candidate will have significant experience in RPA and be proficient in U ...

Senior Go Engineer Scalable Serverless Messaging

TrueML Technology, LLC in Argentina is seeking a Senior Engineer I for the Communications team. In this role, you'll develop and maintain our communication infrastructure, focusing on high-volume messaging using AWS Lambda and other serverless architectures. The ideal candidate will have a Bachelor's d ...

Senior Go Engineer Scalable Serverless Messaging

TrueML Technology, LLC in Argentina is looking for a Senior Engineer I to develop and maintain communication infrastructure. This role focuses on high-volume messaging, utilizing AWS Lambda and serverless architectures. The ideal candidate will have a Bachelor's degree and at least 5 years of software ...

Senior Golang Engineer Serverless Messaging (Argentina)

TrueML Technology, LLC in Argentina is looking for a Senior Engineer I to enhance our communication infrastructure. You will focus on high-volume messaging using AWS Lambda and other serverless architectures. Ideal candidates should possess a Bachelor's degree and a minimum of 5 years in software devel ...

Senior Software Engineer — Ads Platform Architect

Agileengine is looking for a seasoned software developer in Argentina to architect and evolve core systems for the Ads platform. You will design APIs and services to manage campaigns effectively while working closely with product and data teams. The ideal candidate has over 5 years of experience, a sol ...

Senior Backend Engineer: Java 17+ & Microservices

Brightside It Consulting busca incorporar un Backend Engineer Senior para unirse a un equipo técnico dedicado al desarrollo de servicios de alta calidad y escalables en un entorno de microservicios. Se requiere experiencia sólida en Java 17 y Spring Boot 3, así como habilidades en el diseño de APIs RES ...

Senior Backend Engineer: Scalable JVM Microservices

Door is seeking a Senior Backend Engineer to design and scale core systems for its platform. This highly technical role emphasizes building resilient backend services and optimizing performance in a cloud-native environment. As a senior member of the team, you will develop microservices using Kotlin/Ja ...

Senior Mobile QA Engineer – Remote, Automation

Framework Ventures is seeking a Senior QA Engineer to join our remote team. The ideal candidate will have at least 4 years of experience in Software Quality Assurance and will work closely with teams to diagnose issues and improve processes. Your role will involve creating and maintaining test plans, u ...

Senior Mobile QA Engineer – Remote, Automation

Framework Ventures is on the lookout for a Senior QA Engineer to join their remote team in Argentina. The role requires a proactive individual with a solid background in Software Quality Assurance, particularly in Mobile App Testing. The selected candidate will work collaboratively across various teams ...

Senior QA Automation Engineer Remote & Growth

Intive is seeking a Senior QA Automation professional to join their diverse remote team in Argentina. This role involves designing and maintaining test cases, executing both manual and automated tests to validate system performance, and collaborating with product teams to enhance test coverage. The ide ...

Senior Wallet & Blockchain Engineer (DeFi & Security)

Framework Ventures is seeking a skilled Software Engineer to contribute to Tether's open‑source toolkit designed for creating self‑custodial wallet applications across various platforms. This role emphasizes agile methodologies and innovative technology while ensuring security and scalability in backend proce ...

Senior Mobile QA Engineer – Remote, Automation

Framework Ventures is seeking a Senior QA Engineer to join their remote team. The role focuses on mobile app testing, creating test plans, and improving test automation frameworks. Ideal candidates will have 4 years of experience in Software Quality Assurance and a proactive approach to problem-solving. < ...

Senior Backend Engineer: Scalable JVM Microservices

Door, located in Argentina, is looking for a Senior Backend Engineer to design and develop scalable backend services for its platform. In this role, you will leverage Kotlin, Java, and Spring Boot to build microservices and APIs, while driving the evolution of the architecture toward modern and resilient even ...

Senior Mobile QA Engineer – Remote, Automation

Framework Ventures is looking for a Senior QA Engineer to join their remote team in Argentina. The ideal candidate will have a minimum of 4 years in Software Quality Assurance, focusing on mobile applications. Responsibilities include investigating issues across teams, creating test plans, and collaborating w ...

QA Automation Engineer Semi Senior | Remote

Improving South America busca un profesional de QA Automation con más de 4 años de experiencia. El candidato debe dominar Playwright y tener un nivel intermedio/avanzado de inglés (B2/C1). Las responsabilidades incluyen la ejecución y mantenimiento de scripts de automatización, así como la colaboración con eq ...

Senior Wallet & Blockchain Engineer (DeFi & Security)

Framework Ventures is hiring a WDK Software Engineer to contribute to Tether's open-source toolkit aimed at developing self-custodial wallet applications. The role requires collaborating on technical design and implementation while ensuring high security standards. Ideal candidates should possess over ...

Senior M365 Engineer: Enterprise Collaboration & Security

EPAM Systems is seeking a Senior Microsoft 365 Engineer in Argentina to lead the administration, optimization, and security of their enterprise-scale Microsoft 365 environment. This role requires over 7 years of experience, with expertise in SharePoint Online, OneDrive, and Microsoft Teams. You will handle large ...

Senior MERN Full Stack Engineer — Remote

Svitla Systems, Inc. is seeking a Senior Full Stack Engineer based in Argentina for a full-time position (40 hours per week). In this role, you will develop, test, and maintain software applications as part of an agile team. The ideal candidate will have 7+ years of software development experience, wit ...

Senior Backend Engineer, AI & LLM Platform

Silver.dev busca un/a Software Engineer para su plataforma AI/LLM en Buenos Aires. Este rol implica diseñar y operar servicios cruciales, así como desarrollar sistemas basados en LLM con un enfoque en rendimiento y confiabilidad. El candidato ideal debe tener más de 4 años de experiencia en ingeniería de soft ...

Senior Database Engineer SQL, Cloud & Performance

Avenga is seeking a Database Administrator to join our international team in Argentina. The role involves database development and optimization, ensuring high-performing database infrastructure for our customer in the real estate, banking, and legal domains. The ideal candidate will have over 5 years o ...

Senior Fintech Platform Engineer Remote & Payments

A leading Fintech company in Argentina is seeking a skilled Software Engineer to shape the backend architecture of their financial platform. This role involves building scalable microservices within specialized squads for payments, disbursements, or compliance. Candidates should have over 5 years of experience, ...

Senior Test Automation Engineer (JavaScript/TypeScript)

This role requires solid automation experience, strong testing fundamentals, and the ability to collaborate effectively with development, product, and QA teams. Responsibilities Create automated tests for frontend applications, APIs, and end-to-end flows Build and maintain tes ...

Senior Software Engineer — AI Marketing OS

Thomas Talent Network is looking for a Senior Software Engineer to join their founding team in the United States. This role focuses on building a complex AI-native product, requiring expertise in TypeScript, Next.js, and React. The ideal candidate will immediately contribute across the full stack and leverage ...

Senior Java Engineer — Azure & Microservices Lead

EPAM Systems is looking for a Senior Java Engineer in Argentina. The successful candidate will design and maintain backend services using Java and Spring Boot, build scalable microservices, and contribute to system design. The position requires strong experience with backend development, particularly i ...

Senior AI Compute & GPU Infrastructure Engineer

Kraken is seeking an experienced infrastructure engineer to join our AI Compute and Infrastructure team in Argentina. This role involves owning the GPU and accelerator clusters necessary for training, inference, and evaluation, ensuring efficiency and reliability. The ideal candidate will have extensiv ...

Contract: Senior Software Engineer, Back End

Why You'll Love This Role As a Sr. Software Engineer you will be part of the EveryDay Labs team within Newsela. Your work will have a direct and meaningful impact on student outcomes helping school districts reduce absenteeism and increase learning time for students who need it most. You’ll have ...

Senior Node.js Backend Engineer Scalable & Secure

Framework Ventures in Argentina is looking for a Senior Backend Developer to enhance their platform's backend services. In this role, you will work with teams to design architectures, improve existing services, and ensure the highest security standards while managing core services like MySQL and MongoDB. The ide ...

Remote Senior DevOps Engineer | GCP & Kubernetes

Skydrop busca un profesional con más de 4 años de experiencia en GCP para un rol 100% remoto. Las responsabilidades incluyen desarrollar y mejorar productos de manera segura, redactar documentación técnica y resolver problemas técnicos complejos. Se requiere experiencia en Kubernetes, scripting en bash/python y ...

Senior QA Engineer (AI & Test Automation)

About The Job AOA is seeking a collaborative and detail-oriented Senior QA Engineer to guide our QA processes and champion the integration of AI into our quality assurance practices. You'll play a key role in delivering exceptionally high-quality and performant applications while working closely ...

Senior AI Inference Engineer 100% Remote

Responsibilities Deploy machine learning models to edge devices using the frameworks: llama.cpp, ggml, onnx. Collaborate closely with researchers to assist in coding, training and transitioning models from research to production environments. Integrate AI features into e ...

Senior Flutter Engineer — Remote, Growth & Impact

Svitla Systems, Inc. is searching for a Senior Flutter Mobile Engineer for a full-time role that offers flexibility in workspace, either remote or in-office. You will develop cross-platform mobile applications for the U.S. marketplace, requiring 6+ years of experience in mobile app development, strong Flutter kn ...

Senior Java Middleware Engineer (Fintech Microservices)

OKTO PAYMENTS is seeking a skilled Java Middleware Developer based in Argentina for their fintech team. This hybrid role requires strong expertise in middleware application development using Java, along with experience in creating scalable microservices and APIs. Ideal candidates should have a minimum of 5 years ...

Remote Senior PHP Full Stack Engineer

Sur Global in Argentina is looking for a Senior PHP Full Stack Developer to contribute to software development initiatives. The role involves building, maintaining, and improving web applications, collaborating with cross-functional teams, writing efficient code, and troubleshooting performance issues. Candidate ...

Senior Ceph Architect & Premium Services Engineer

WEKA in Argentina is looking for a Senior Designated Services Engineer to lead customer-facing activities related to Ceph object storage environments. This role combines technical expertise with customer relationship management ensuring their success and satisfaction. The ideal candidate should have extensive ex ...

Senior Backend Engineer (.NET | GraphQL | Azure)

DaCodes is a firm of experts in high-impact software and digital transformation. For over 10 years, we have built technology- and innovation-driven solutions thanks to our team of 300+ talented #DaCoders , including developers, architects, UX/UI designers, PMs, QA testers, and more. Our team ...

Senior DevOps Engineer AWS, Kubernetes & Terraform

AgileEngine is seeking a Senior DevOps Engineer in Argentina to design, operate, and scale cloud infrastructure on AWS. The ideal candidate will have 6-10 years in DevOps roles, hands-on experience with AWS and Kubernetes, and proficiency in Terraform. Responsibilities include managing containerized workloads, b ...

Senior Automation QA Engineer (Manual expertise)

N-iX is a global software development company founded in 2002, connecting over 2,400+ tech professionals across 40+ countries. We deliver innovative technology solutions in cloud computing, data analytics, AI, embedded software, IoT, and more to global industry leaders and Fortune 500 companies. Join us to ...

Senior Automation QA Engineer — Remote & Blockchain

N-iX is seeking a Senior Automation QA Engineer in Argentina to enhance the quality and reliability of blockchain products. In this role, you’ll collaborate closely with software engineers and product managers to implement testing strategies, automate processes, and improve the QA lifecycle. Ideal candidates hav ...

Senior Data Engineer — ELT Architect (Remote)

AgileEngine in Argentina is seeking a Data Engineer to design and scale high-performance ELT pipelines for a centralized data warehouse. This role involves collaboration with cross-functional teams to ensure data quality and accessibility. The ideal candidate has over 5 years of experience in data engineering an ...

Mid Level Senior Full Stack Engineer

Mid Level Senior Full Stack EngineerRYZ Labs Remote position - From Argentina or Uruguay Ryz Labs is looking for a Mid-level / Senior Full Stack Engineer to join our client’s small, fast-moving team, and help shape the next chapter of their platform. You’ll work across the stack, contribut ...

Senior AWS Cloud / DevOps Engineer – LATAM

ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are ...

Senior Software Engineer FinTech & Accounting (Remote)

A leading fintech company is hiring a Senior Software Engineer with accounting experience. This role involves designing and optimizing financial systems, collaborating with cross-functional teams, and mentoring other engineers. Candidates should have at least 7 years of experience in software engineering and a s ...

Senior Backend Engineer Go & Distributed Systems

A dynamic fintech company is looking for a Senior Software Engineer to join their team in Argentina. In this role, you will design and develop software applications, mentor junior engineers, and tackle complex problems within a collaborative environment. The ideal candidate has over 7 years of full-stack experie ...

Senior Software Engineer (Argentina) Argentina, Remote

The salary range for this role is $5,000 - $9,500 per month (Gross in USD) About Sezzle: With a mission to financially empower the next generation, Sezzle is revolutionizing the shopping experience beyond payments, blending cutting‑edge tech with seamless, interest‑free installmen ...

Senior Platform Engineer — Scalable SaaS Backend

A global SaaS provider in Argentina is seeking a Senior Software Engineer to develop scalable back-end systems for their platform. You will lead technical discussions, collaborate with cross-functional teams, and ensure high-quality code. The ideal candidate has 5+ years of experience in SaaS environments, stron ...

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