74,426+ Semi Senior Fullstack Backend Engineer Pythonjava React Jobs in Argentina — Top Companies Hiring June 2026

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Ingeniero Backend Core Senior

Misuriam es una compañía española, especializada en soluciones SaaS telemáticas para optimizar la gestión de flotas, la movilidad conectada y la monetización de datos vehiculares.En Misuriam no solo desarrollamos tecnología y brindamos servicios Telematicos, sino que transforma la industria de la movilid ...

Sr Fullstack Angular

We are looking for a Senior Full Stack Engineer , with a strong focus on Frontend development , to work on medium to high-complexity web applications. This role requires deep hands-on experience in AngularJS 1.9 , with a strong emphasis on maintaining, refactoring, and moderniz ...

Staff Backend / Platform Engineer Fintech

The Role:As a Staff Backend / Platform Engineer in the Fintech sector, you will play a crucial role in designing and implementing scalable backend solutions that support our financial services. You will collaborate with cross-functional teams to enhance platform capabilities and ensure hi ...

Remote AI Driven Backend Engineer

Backblaze, Inc. is seeking a Software Engineer, AI, to design server-side APIs and utilize AI-assisted development tools. Candidates should have 2+ years in backend software engineering, proficiency in Java or Python, and a focus on customer experience. The role offers a remote-first culture and competitive comp ...

Prospera AI AI Backend Engineer

About Prospera AI We’re building Sophie, a multi-agent AI orchestrator that helps wealth management advisors deliver more personalized, effective service to their clients. Our platform analyzes behavioral patterns, communication preferences, and emotional states to transform how advisors ...

Remote Backend Engineer (Python + SQL)

Linqia, Inc. is seeking a Backend Engineer for a long-term contract role working from home in Latam. The ideal candidate will have 2-4 years of backend development experience, with proficiency in Python and SQL. Responsibilities include designing server-side applications, writing complex queries, and developing ...

Backend Engineer (Python and SQL)

Searching for a Backend Engineer long-term contractor to work from home in Latam! Please submit your CV/Resumé in English, thank you! Do you live and breathe backend development, with languages like Python and SQL as your trusty companions? Are you energized by the challenge of architecting robust a ...

Node.js & TypeScript Backend Engineer — Microservices

Avenga is seeking a Node.js Software Engineer for a banking project in Argentina. You will work in a collaborative environment focused on modern backend development practices, including microservices and cloud solutions. The ideal candidate has 3+ years of experience with Node.js and TypeScript, and a ...

Backend Engineer with ML focus

Mission is a platform for hiring, vetting and managing software development talents. It enables our clients to connect with the world’s best talent to build mission-critical software products. Our mission is to make advanced AI accessible to every organization—not just teams with large data science ...

Remote Backend Engineer Node.js/NestJS

MooD Technology busca un desarrollador de aplicaciones web que sea capaz de crear soluciones innovadoras y optimizar el rendimiento de las mismas. Este puesto es 100% remoto y ofrece revisiones salariales trimestrales y excelentes condiciones de contratación. Se requieren sólidas habilidades en NodeJs, ...

Remote Python Django Backend Engineer

sophilabs in Argentina is looking for a Semi‑Senior Python Developer to build websites, mobile apps, and backend services. You will work with technologies like Python and Django in cross‑functional teams using Scrum. The ideal candidate has at least 3 years in software development, is fluent in Python, ...

Senior AI Backend Engineer: LLM/RAG for Finance (Remote)

Pyyne Digital is seeking a Lead AI Backend Engineer to implement LLMs into financial services workflows. This remote role requires strong Python backend engineering experience and the ability to work with both technical and non-technical stakeholders. Responsibilities include designing AI-powered solutions and c ...

Senior Python Backend Engineer — AI SaaS (Remote, Argentina/Brazil)

BriteCore is looking for a talented software engineer to work fully remotely in Argentina or Brazil. The role involves pushing advanced AI agents into production and building robust server architectures. Ideal candidates should hold a relevant Bachelor's degree and have extensive experience in Python and SQL- ...

Senior Python Backend Engineer for FinTech AI Platform (Remote)

AI for Makers We're Makers. In 2025, we set out to build something most teams only talk about. We embedded AI so deeply into our development workflows that we were over 10x more productive. Being on the bleeding edge isn't a strategy here. We hack on AI tools because we can't help it. It's how we ...

Senior Python Backend Engineer for FinTech AI Platform (Remote)

AI for Makers We're Makers. In 2025, we set out to build something most teams only talk about. We embedded AI so deeply into our development workflows that we were over 10x more productive. Being on the bleeding edge isn't a strategy here. We hack on AI tools because we can't help it. It's how we ...

Senior Python Backend Engineer for FinTech AI Platform (Remote)

BriteCore is seeking a fully remote Python web developer to join their team. The role requires candidates to reside in Argentina or Brazil and offers the opportunity to work on complex AI-driven products. Ideal candidates will have significant experience in Python development, particularly with financi ...

Senior Backend Engineer Ruby on Rails & AWS for ERP

Contagram busca un/a Backend Developer Full Stack Senior en Buenos Aires con experiencia sólida en Ruby on Rails. El candidato ideal debe ser proactivo, comprender el impacto de soluciones técnicas en la experiencia del cliente y tener autonomía en el desarrollo de funcionalidades. El trabajo incluye d ...

Senior Python Backend Engineer: Data Analytics Platform (San Miguel)

EPAM Systems is seeking a Senior Python Back-End Developer in Argentina to enhance their innovative supply‑chain data analytics platform. Responsibilities Develop scalable back‑end components with Python and Flask Implement RESTful APIs Optimize PostgreSQL databases < ...

Senior Backend Engineer — Ai Powered Event Platform (Buenos Aires)

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 q ...

Senior Backend Engineer Attendance Analytics (Edtech) (Villa Gobernador Galvez)

Newsela is seeking a Senior Software Engineer in Santa Fe, Argentina, to join the EveryDay Labs team. The role involves designing and maintaining software components to enhance attendance analytics and student data systems. The adecuado candidate has over 5 years of software engineering exper ...

Senior Backend Engineer — Ai Powered Event Platform (San Luis)

Gomry is an AI‑native event platform targeting the $400B annual advertising budget that goes into events. We are building a proprietary AI‑native ad network that installs on our own and third‑party ticketing platforms, with ultra‑native placements for the event industry. This enables event organizers and s ...

Senior Java Backend Engineer Microservices With Spring (Florencio Varela)

Baufest, una empresa de tecnología en Buenos Aires, busca un/a Java SSR Developer para unirse a su equipo. Se requiere más de 3 años de experiencia en desarrollo backend con Java y microservicios, así como conocimientos en Spring Boot y buenas prácticas de desarrollo. Las responsabilidades in ...

Senior Java Spring Boot Engineer Backend, DDD & REST API

AgileEngine is seeking a Senior Full Stack Engineer to design and build Java and Spring Boot services while maintaining Angular frontend components. You'll lead the transition toward domain-driven architecture and implement clean RESTful APIs. The ideal candidate should have 3+ years of experience with ...

Senior Python Backend Engineer: Data Analytics Platform (La Plata)

EPAM Systems is seeking a Senior Python Back-End Developer in Argentina to enhance their innovative supply‑chain data analytics platform. Responsibilities Develop scalable back‑end components with Python and Flask Implement RESTful APIs Optimize PostgreSQL databases < ...

Senior Backend Api Engineer Sdui & Cloud Reliability (San Luis)

TurnKey Tech Staffing is seeking a seasoned backend engineer to lead the design and operation of APIs for Server-Driven UI across Flutter clients. Responsibilities Take ownership over backend services. Ensure service reliability. Drive technical capabilities within th ...

Senior Python Backend Engineer for AI Driven Data Platform

EPAM Systems is seeking a Senior Python Back‑End Developer in Chubut, Argentina, to help build a supply-chain data analytics platform. This role involves developing robust back-end components using Python, optimizing databases, and managing RESTful APIs. Ideal candidates will have 3+ years of experience in we ...

Senior Backend Engineer Attendance Analytics For Edutech (San Fernando)

Newsela is seeking a Senior Software Engineer in Argentina to join the EveryDay Labs team. You will design and maintain software components that enhance attendance analytics and student data systems, develop new features, and automate processes. The idóneo candidate will have a strong backgro ...

Senior Ai Backend Engineer Python, Llms & Azure Buenos Aires

Cross Border Talents busca un/a AI Engineer Backend en Buenos Aires para unirse a una empresa tecnológica líder. La posición requiere experiencia sólida en Python y desarrollar Webservices/APIs, integrando herramientas cloud como Azure AI. El candidato adecuado habrá llevado soluciones de IA ...

Senior Backend API Engineer — Cloud Driven APIs for Flutter

TurnKey Tech Staffing is looking for a seasoned backend engineer located in San Luis, Argentina, to lead the design and operation of APIs for Server-Driven UI across Flutter clients. The ideal candidate will have over 7 years of experience in building production microservices and strong proficiency in ...

Senior Api Engineer & Backend Ops — Sdui Apis Lead (Corrientes)

TurnKey Tech Staffing is seeking an experienced backend developer in Corrientes, Argentina, to lead the design and operation of SDUI APIs for Flutter clients. Candidates should have over 7 years of experience in building production microservices and APIs, with strong TypeScript skills and a solid un ...

Senior Backend Api Engineer — Sdui For Flutter (Venado Tuerto)

TurnKey Tech Staffing is seeking an experienced backend developer in Venado Tuerto, Argentina, to lead the design and operation of SDUI APIs for Flutter clients. You will be responsible for improving service reliability, mentoring team members, and collaborating with design and engineering teams. </ ...

Senior Backend Python Engineer – APIs y Microservicios (Buenos Aires)

Acerca de C&S Hola;Somos CYS, una empresa de más de 160 profesionales, consolidada hace 40 años en el mercado. Nuestro propósito es garantizar la satisfacción de nuestros clientes; para ello, ofrecemos servicios de Desarrollo de Software, Talent Outsourcing y Consultoría IT. Descripción del pue ...

Senior Python Backend Engineer: Data Analytics Platform (San Isidro)

EPAM Systems is seeking a Senior Python Back-End Developer in Argentina to enhance their innovative supply‑chain data analytics platform. Responsibilities Develop scalable back‑end components with Python and Flask Implement RESTful APIs Optimize PostgreSQL databases < ...

Senior Python Backend Engineer: Data Analytics Platform (San Luis)

EPAM Systems is seeking a Senior Python Back-End Developer in Argentina to enhance their innovative supply‑chain data analytics platform. Responsibilities Develop scalable back‑end components with Python and Flask Implement RESTful APIs Optimize PostgreSQL databases < ...

Senior Backend Engineer Attendance Analytics For Edutech (San Juan)

Overview Newsela is seeking a Senior Software Engineer to join the EveryDay Labs team in San Juan, Argentina. Responsibilities In this role, you will design and maintain software components that enhance attendance analytics and student data systems. You will develop new features, a ...

Senior Python Backend Engineer: Data Analytics Platform (Río Cuarto)

EPAM Systems is seeking a Senior Python Back-End Developer in Argentina to enhance their innovative supply‑chain data analytics platform. Responsibilities Develop scalable back‑end components with Python and Flask Implement RESTful APIs Optimize PostgreSQL databases < ...

Senior Node Js Backend Engineer – Fintech, Aws, Remote Córdoba

Naranja X busca un desarrollador backend para unirse a su equipo, centrado en la creación de soluciones escalables utilizando NodeJS y TypeScript. La posición implica trabajar en la integración de servicios de pagos y construir APIs de alto rendimiento. Además, ofrecemos un contexto de trabaj ...

Senior Python Backend Engineer for AI Driven Data Platform

EPAM Systems is seeking a Senior Python Back‑End Developer in Buenos Aires, Argentina to enhance our supply‑chain data analytics platform. You will play a key role in developing scalable back‑end components, optimizing database queries, and working closely with front‑end developers using React. The ide ...

Senior Python Backend Engineer for AI Driven Supply Chain

EPAM Systems is looking for a Senior Python Back-End Developer in Buenos Aires to contribute to an innovative supply-chain data analytics platform. The role involves building robust back-end components, implementing APIs, and optimizing databases to handle high loads. The ideal candidate has over 3 yea ...

Senior Backend Engineer — Scale Attendance Analytics (Villa Gobernador Galvez)

Newsela is looking for a Senior Software Engineer in Argentina to join the EveryDay Labs team. Responsibilities Design and maintain software components that enhance attendance analytics and student data systems. Develop new features. Automate processes. Contr ...

Senior Backend Engineer Attendance Analytics For Edutech (Comodoro Rivadavia)

Newsela is looking for a Senior Software Engineer in Argentina to join the EveryDay Labs team. The role involves designing and maintaining software components that enhance attendance analytics and student data systems, along with developing new features and automating processes. Idóneo candid ...

Senior Python Backend Engineer: Data Analytics Platform (Buenos Aires)

EPAM Systems is seeking a Senior Python Back-End Developer in Argentina to enhance their innovative supply‑chain data analytics platform. Responsibilities Develop scalable back‑end components with Python and Flask Implement RESTful APIs Optimize PostgreSQL databases < ...

Senior Backend Engineer — Scale Attendance Analytics (Santiago del Estero)

Newsela is looking for a Senior Software Engineer in Argentina to join the EveryDay Labs team. Responsibilities Design and maintain software components that enhance attendance analytics and student data systems. Develop new features. Automate processes. Contr ...

Senior Backend Engineer (Java/Node) – Build AI Chatbot Tech

Werben Hr, ubicado en Resistencia, Argentina, busca un Software Developer - Back end para unirse a su equipo innovador. Será responsable de crear y gestionar soluciones de software, colaborando con otros desarrolladores y mejorando la experiencia del usuario. El candidato ideal debe tener al menos 5 añ ...

Senior Backend Api Engineer — Sdui For Flutter (La Rioja)

Position Overview TurnKey Tech Staffing is seeking an experienced backend developer to lead the design and operation of SDUI APIs for Flutter clients. The adecuado candidate will have over 7 years of experience in building production microservices and APIs, with strong skills in TypeScript ...

Senior Backend API Engineer — Lead SDUI APIs (Flexible PTO)

TurnKey Tech Staffing is seeking an experienced backend developer in Buenos Aires to lead the design and operation of SDUI APIs for Flutter clients. You will possess over 7 years of experience in building production microservices and APIs, emphasizing strong skills in TypeScript and a solid understanding of A ...

Senior Api Engineer & Backend Ops — Sdui Apis Lead (Neuquén)

TurnKey Tech Staffing is seeking an experienced backend developer based in Neuquén, Argentina. The position involves leading API design for Flutter clients, requiring over 7 years of experience in building production microservices and a strong command of TypeScript. The successful candidate w ...

Senior Sdui & Backend Api Engineer (San Salvador de Jujuy)

Job Overview TurnKey Tech Staffing is seeking a skilled developer to lead the design and operation of APIs that power Server-Driven UI for Flutter clients. Responsibilities This role involves owning backend services while ensuring stable UI contracts and collaboration with cross‑fu ...

Senior Backend Engineer — Ai Powered Event Platform (San Miguel)

Gomry Payments in San Miguel, Buenos Aires, is seeking a backend developer to build user-facing features and enhance database performance. The role offers freedom in processes and focuses on quality with a zero-bugs policy. Idóneo candidates will be experienced in backend development with str ...

Senior Backend Engineer Fintech Payments Latam Hybrid Buenos Aires

Una empresa fintech innovadora en Buenos Aires busca un Desarrollador Backend con más de 3 años de experiencia en Java, Kotlin o Go. El candidato deberá tener experiencia en microservicios, arquitecturas distribuidas y manejo de bases de datos. Se valorarán conocimientos en AWS y prácticas de ...

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    Semi Senior Fullstack Backend Engineer Pythonjava React Jobs in Argentina Job Search Guide, Trends and Insights