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# Senior Fullstack Engineer (Next.js/AI Agents)

- **Company:** KAKE,INC
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Computer Animation, Application Programming Interfaces (APIs), Artificial Intelligence, Code Review, PostgreSQL, Next.js, Network Routers, ReactJS, Large Language Models, Multi-Agent Systems, Backend, Material UI, Figma, Api Design, Network Server, GPT
- **Published:** August 30, 2026
- **Apply:** https://arc.dev/remote-jobs/j/redirect/pg2lsb80ud

## About the Role

* Strong experience with Next.js (Pages Router) and React 18
 * Experience building and reasoning about multi-agent AI systems and agentic workflows
 * Solid backend experience with Postgres and building APIs (e.g., Next.js API routes)
 * Strong product sense and a genuine interest in UI quality, animation, and design systems
 * Experience integrating with LLM APIs (e.g., OpenAI, Anthropic, Gemini) and/or RAG pipelines
 * Excellent written and verbal communication skills in English
 * Ability to work independently in a remote, fast-paced environment

Nice-to-Have

 * Experience designing or building MCP (Model Context Protocol) servers
 * Experience building voice agents
 * Familiarity with Material UI and translating Figma designs into production UI
 * Experience with async job frameworks like Inngest
 * Familiarity with Qdrant or other vector databases for RAG
 * Experience using AI coding tools like Codex or Claude Code
 * Experience with Retool or similar internal tooling platforms

## Description

* Design, build, and ship fullstack features across the product, from UI to backend logic
 * Build and maintain agentic workflows, including multi-agent systems and MCP server integrations
 * Collaborate closely with design to implement polished, animated, high-quality UI using Material UI and Figma specs
 * Build and maintain RAG pipelines and integrations with multiple LLM providers (Gemini, GPT, Claude, Perplexity)
 * Work with async job processing (Inngest) and Postgres-backed data models
 * Contribute to internal tooling and back-office workflows (Retool)
 * Partner with product and design to translate requirements into technical solutions
 * Write clean, maintainable code and participate in code review


## Related Videos

- [ Evaluating AI models for code comprehension](https://www.wearedevelopers.com/videos/1462-evaluating-ai-models-for-code-comprehension)
- [Boost Productivity with AI: Figma & Playwright MCP Workflows - Aris Markogiannakis](https://www.wearedevelopers.com/videos/1768-boost-productivity-with-ai-figma-playwright-mcp-workflows-aris-markogiannakis)
- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [On a Secret Mission: Developing AI Agents](https://www.wearedevelopers.com/videos/1510-on-a-secret-mission-developing-ai-agents)
- [Streaming AI Responses in Real-Time with SSE in Next.js & NestJS](https://www.wearedevelopers.com/videos/1630-streaming-ai-responses-in-real-time-with-sse-in-next-js-nestjs)
- [AI Agents & Agentic AI](https://www.wearedevelopers.com/videos/2017-ai-agents-agentic-ai)

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- [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)
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