Senior Full Stack Developer Location: Remote (Latin America)Job Type: Full-time, ContractAbout Us:AgilityIO is a software development firm that designs and builds custom applications for startups and Fortune 500 companies. We are a global team of over 400 developers, QA engineers, project managers, and UX/UI designers with offices in New York City and Vietnam.This is a full-time contractor role based in Latin America.We are seeking a versatile Senior Full Stack Developer to build intuitive front-end experiences and scalable serverless backend systems. This role is ideal for someone who enjoys working across the stack, with a strong focus on API integrations and modern web technologies.Job Responsibilities:Architect, develop, and maintain full-stack applications using modern frameworks (e.g., TypeScript/React, Node.js, Python)Design and implement scalable backend services with AWS (Lambda, API Gateway, DynamoDB, S3, ECS, etc.)Collaborate with cross-functional teams to define, design, and deliver new featuresEnsure applications meet high standards of performance, responsiveness, and securityLead code reviews, mentor junior developers, and promote best practicesBuild and maintain CI/CD pipelines; monitor systems for reliability and performanceStay current with emerging technologies and propose innovative solutionsQualifications & Experience:5+ years of full-stack development experienceStrong proficiency in JavaScript/TypeScript and at least one backend language (Node.js, Python, or C#)Deep knowledge of AWS services and cloud architectureExperience with containerization (Docker, Kubernetes) and serverless architecturesProficiency with modern frontend frameworks (React preferred; Angular or Vue a plus)Solid understanding of RESTful APIs, GraphQL, and microservicesSkilled in Git, testing frameworks, and agile methodologiesExcellent problem-solving and communication skillsAbility to collaborate effectively with internal and external teams in EnglishPreferred Qualifications:AWS certifications (e.g., Solutions Architect, Developer Associate)Experience with Infrastructure as Code (CDK, Terraform, CloudFormation)Familiarity with DevOps practices and observability tools (e.g., AWS CloudWatch, Datadog, Prometheus)What We Offer:Competitive salary and performance-based bonusesFlexible remote work environmentProfessional growth opportunities and mentorshipEngaging and collaborative team culture with cutting-edge projectsReady to Make an Impact?If you’re passionate about both frontend and backend development and thrive in a dynamic, product-driven environment, we’d love to hear from you.