Lead Full Stack Software Engineer

Remote in Argentina & 2 others, remote, lead, 5–8 years

seen 31d ago

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SSE
Vue
LangChain
Claude
Pinecone
React
OpenSearch
TypeScript
WebSockets
Docker
JavaScript
RAG
OpenAI
WCAG
AWS
LlamaIndex
Gemini
Python
REST APIs

About the role

Remote in Argentina & 2 others

JavaScript (Frontend) & 14 others

We are seeking a Lead Full Stack Software Engineer to build intuitive, performant user interfaces and frontend integration libraries that make GenAI and intelligent automation accessible and useful across IT, HR, Finance, Sales, Marketing, and Customer Support.

What you would do

* Design and build end-to-end GenAI-powered applications, emphasizing intuitive web-based UIs and performant client-side API integrations

* Develop responsive, accessible frontend interfaces engineered for streaming responses and low latency

* Build and maintain a library of reusable frontend components, hooks, and design systems for enterprise GenAI applications

* Implement LLM-based experiences using frameworks like LangChain or LlamaIndex with OpenAI, Claude, or Gemini

* Collaborate with designers and product managers to iterate rapidly on novel AI UX patterns such as chat assistants, prompt builders, and feedback loops

* Ensure security, accessibility, observability, and test coverage across client-side and full-stack implementations

* Create responsive, accessible, and high-performance web UIs tailored for AI-driven interaction patterns like streaming text, prompt inputs, citations, and summaries

* Maintain a shared library of reusable frontend components and hooks that enable internal teams to drop GenAI capabilities into their applications

* Deliver UI components that provide transparency, observability, and confidence in AI-generated outputs

* Build full-stack applications using Python and modern frontend frameworks

* Develop backend services, APIs and integrations

* Design responsive and maintainable frontend components

* Handle databases cloud services and deployment pipelines

* Partner with product owners designers QA engineers and fellow developers

* Engage in technical design code reviews and architecture discussions

* Maintain code quality application performance and long-term maintainability

Read from careers.epam.com, last seen 5d ago.

What they are looking for

* 5+ years of production experience with React, TypeScript, or Vue for enterprise web applications

* 5–8 years of software engineering experience across the full web stack, including frontend UIs, REST APIs, and microservices

* 2+ years of experience integrating GenAI features, LLM APIs, and prompt UI patterns into web applications

* Strong Python backend development skills and 2+ years of experience consuming and building cloud microservices on AWS, Docker, and REST APIs

* Proven experience building, documenting, and maintaining reusable component libraries, design systems, and custom hooks

* Proficiency in English at a B2+ level

* Familiarity with real-time streaming UX patterns such as SSE/WebSockets, prompt builders, citations, and summary UI components

* Knowledge of WCAG 2.1 AA compliance and accessible UI component architecture

* Skills in client-side or Node.js LangChain, LangGraph, or LlamaIndex orchestration

* Familiarity with RAG pipelines, vector search tools like Pinecone or OpenSearch, and embedding concepts

* Background in AI evaluation tooling, feedback loops, and guardrails in user interfaces

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Senior Python Full Stack Engineer

Remote in Brazil

Python.Web & 15 others

We're seeking a Senior Python Full Stack Engineer who brings solid backend expertise in Python along with frontend skills in React or Angular. The right candidate will be at ease working across the entire stack and helping build scalable, maintainable web applications.

* 3+ years of experience in software development

* Solid hands-on experience with Python

* Familiarity with FastAPI, Flask or Django

* Working knowledge of React or Angular

* Clear understanding of REST APIs and web application architecture

* Background with relational or NoSQL databases

* Proficiency in JavaScript/TypeScript, HTML and CSS

* Practical experience with testing debugging and CI/CD practices

* Excellent communication skills and the ability to operate independently

* Cloud background with AWS Azure or GCP

* Hands-on experience with Docker or Kubernetes

* Exposure to microservices

* Familiarity with GraphQL or event-driven systems

Apply

Senior Full Stack Software Engineer

Remote in Argentina & 2 others

JavaScript (Frontend) & 14 others

We are hiring a Senior Full Stack Software Engineer to build fast, intuitive web interfaces and frontend integration libraries for GenAI and intelligent automation. You will deliver accessible, low-latency UI patterns and reusable components while connecting to LLM APIs and cloud microservices.

* 3+ years of experience building production apps with React, TypeScript, or Vue for enterprise use cases

* Solid full-stack software engineering background across frontend UIs, REST APIs, and microservices

* Practical experience integrating GenAI features, LLM APIs, and prompt UI patterns into web-based applications

* Strong Python backend skills, plus experience building and consuming cloud microservices on AWS, Docker, and REST APIs

* Proven track record creating, documenting, and maintaining reusable component libraries, design systems, and custom hooks

* English proficiency at a B2+ level (Upper-Intermediate) or higher

* Familiarity with real-time streaming UX patterns such as SSE/WebSockets, prompt builders, citations, and summary UI components

* Knowledge of WCAG 2.1 AA compliance and approaches for architecting accessible UI components

* Practical experience with client-side or Node.js LangChain, LangGraph, or LlamaIndex orchestration

* Exposure to RAG pipelines, vector search platforms like Pinecone or OpenSearch, and embedding fundamentals

* Experience with AI evaluation tools, feedback loop design, and interface-level guardrails

Apply

Lead JavaScript Full-Stack Engineer

Remote in Argentina & 2 others

JavaScript (Frontend) & 12 others

We are seeking a Lead JavaScript Full-Stack Engineer to join our global AI Engineering team and build the future of secure, enterprise-grade AI Agents. In this role, you will lead the architecture and design of intelligent, user-facing agentic interfaces, frontend libraries, and streaming UX platforms that bring GenAI capabilities to employees and customers worldwide.

* 5+ years of engineering expertise in JavaScript, React, TypeScript, and modern frontend state management libraries

* At least 1 year of relevant leadership experience

* Strong software development experience across web applications, client-side SDKs, APIs, and microservices

* Background in building GenAI user experiences, conversational UX, and real-time response streaming interfaces (SSE/WebSockets)

* Skills in developing chat assistants and prompt UI patterns

* Proficiency in Python backend development and integrating cloud-native REST APIs on AWS/Docker

* Showcase of architecting enterprise UI component libraries, design systems, and developer SDKs for multi-team consumption

* Excellent command of written and spoken English (B2+ level)

* Familiarity with client-side or Node.js orchestration frameworks (LangChain for JavaScript, LlamaIndex, Model Context Protocol)

* Understanding of RAG retrieval, vector databases, and citation rendering

* Knowledge of React Native or web-to-mobile wrapper experience for AI workflows

* Expertise in WCAG 2.1 AA compliance, a11y standards, and accessible UI component architecture

* Competency in GraphQL and AI evaluation tooling (LangSmith, Langfuse, or user feedback loop UI components)

Apply

Lead Full-Stack Software Engineer

Remote in Argentina & 2 others

JavaScript (Frontend) & 14 others

We're seeking a Lead Full-Stack Software Engineer to build user-friendly, high-performing interfaces and frontend integration libraries that deliver GenAI and intelligent automation capabilities to teams across IT, HR, Finance, Sales, Marketing, and Customer Support.

* Background in building production applications with React, TypeScript, or Vue for enterprise use cases (5+ years)

* Expertise in full-stack software engineering spanning frontend UIs, REST APIs, and microservices (5–8 years)

* Proficiency in integrating GenAI features, LLM APIs, and prompt UI patterns into web-based applications (2+ years)

* Skills in Python backend development, along with 2+ years building and consuming cloud microservices on AWS, Docker, and REST APIs

* Showcase of building, documenting, and maintaining reusable component libraries, design systems, and custom hooks

* Proficiency in English at a B2+ level or higher

* Familiarity with real-time streaming UX patterns, such as SSE/WebSockets, prompt builders, citations, and summary UI components

* Knowledge of WCAG 2.1 AA compliance and approaches to designing accessible UI components

* Capability to work with client-side or Node.js LangChain, LangGraph, or LlamaIndex orchestration

* Understanding of RAG pipelines, vector search platforms like Pinecone or OpenSearch, and embedding fundamentals

* Competency in AI evaluation tools, feedback loop design, and interface-level guardrails

Apply

Lead Full Stack Software Engineer

Remote in Argentina & 2 others

JavaScript (Frontend) & 14 others

We're looking for a Lead Full Stack Software Engineer to create user-friendly, high-performing interfaces and frontend integration libraries that bring GenAI and intelligent automation capabilities to teams across IT, HR, Finance, Sales, Marketing, and Customer Support.

* 5+ years building production applications with React, TypeScript, or Vue for enterprise use cases

* 5–8 years of full-stack software engineering experience spanning frontend UIs, REST APIs, and microservices

* 2+ years integrating GenAI features, LLM APIs, and prompt UI patterns into web-based applications

* Solid Python backend skills, along with 2+ years building and consuming cloud microservices on AWS, Docker, and REST APIs

* Demonstrated track recor