Sr Fullstack Developer
Company:Encora
Location:Mexico
Languages:English
Seniority level:Senior, 6+ years
Experience:6+ years
Skills:
AWSGraphQLNode.jsArtificial IntelligenceFull Stack DevelopmentJavascriptMachine LearningMicrosoft AzureReact.jsTypeScriptREST APISoftware Engineering
Requirements:
6+ years of professional experience as a Full-Stack Developer. Strong proficiency in JavaScript and TypeScript. Expert-level experience with Node.js (backend) and React.js (frontend). Solid understanding of modern API development standards. Hands-on experience designing and shipping LLM-powered or agentic applications in production. Desirable proficiency with at least one agent/orchestration framework, such as LangChain, LlamaIndex, Semantic Kernel, AutoGen, or OpenAI Assistants. Desirable experience integrating with cloud AI platforms such as AWS Bedrock or Azure OpenAI.
Responsibilities:
Design, build, and maintain high-performance full-stack applications using Node.js, React, and TypeScript. Architect and implement LLM-powered and agentic applications, from prototyping to production deployment. Develop scalable RESTful and GraphQL APIs, integrating third-party services and internal data sources. Work with cloud-based AI platforms such as AWS Bedrock or Azure OpenAI for model orchestration and inference. Collaborate with product, design, and data teams to ship well-architected solutions at speed. Ensure software quality through testing, performance tuning, and best-in-class development practices. Mentor junior developers and participate in code reviews to maintain technical excellence.
