Lead Fullstack Engineer (Remote)

* **Title:** Lead Fullstack Engineer (Remote) * **Engagement:** Hourly contract (independent contractor) * **Location:** Remote **Role Overview** We are seeking an experienced Fullstack Engineering Lead to design, build, and operate scalable web applications and production\-grade LLM\-powered systems. This role combines hands\-on engineering with technical leadership across backend, frontend, cloud infrastructure, and AI evaluation frameworks. You will own architecture decisions, release quality, and engineering standards while mentoring developers and collaborating cross\-functionally to deliver reliable, high\-impact solutions. **Key Responsibilities** * Lead architecture and end\-to\-end delivery of scalable full\-stack applications across frontend, backend, data, and infrastructure layers * Develop and maintain backend services using Python and Node.js * Build modern frontend applications using React * Own Docker containerization and cloud deployments on GCP, including networking, observability, and cost optimization * Design and maintain RESTful APIs and service\-oriented components * Model and manage SQL and NoSQL databases for performance and reliability * Build and operate production LLM systems, including: * AI agents and multi\-step tool\-driven workflows * MCP servers/clients and interoperable tool schemas * LLM\-as\-a\-Judge evaluation pipelines and performance metrics * Define and enforce standards for unit, integration, and service\-level testing * Own CI/CD processes and release quality gates * Provide mentorship, conduct design reviews, and guide technical best practices * Collaborate effectively with product managers, engineers, and stakeholders **Required Qualifications** * 7\+ years of experience building and operating full\-stack systems * 2\+ years leading developers or owning major production systems * Proven experience architecting scalable applications * Hands\-on experience with Docker, GCP, Python, Node.js, and React * Strong understanding of RESTful APIs and service\-oriented architecture * Experience with SQL and NoSQL databases * 2\+ years designing and operating production LLM systems, including agents, workflows, MCP components, and evaluation frameworks * Experience establishing testing standards and managing CI/CD pipelines * Excellent written and verbal English communication skills **Engagement Details** * Contractor engagement (no medical or paid leave) * Minimum 20 hours per week, at least 4 hours per day * 4 hours of PST overlap required * Duration: 3 months (extendable based on performance and engagement) * Location: India, Pakistan, Nigeria, Kenya, Egypt, Ghana, Bangladesh, Turkey, Brazil, Mexico * Fully remote **APPLY NOW !**