Weekday (YC W21)

Tech Lead – AI Platform, Consumer Systems

Weekday (YC W21)

full-time

Posted on:

Location Type: Hybrid

Location: BengaluruIndia

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Salary

💰 ₹1,800,000 - ₹4,800,000 per year

Job Level

About the role

  • Architect, build, and scale a next-generation AI-powered consumer platform
  • Take ownership of the end-to-end AI and backend ecosystem
  • Drive system design, performance, and scalability
  • Lead a cross-functional engineering team
  • Design and implement scalable, low-latency, and fault-tolerant architectures
  • Build robust integrations across web, mobile, and AI-driven services
  • Architect and enhance AI agent systems
  • Improve retrieval pipelines, RAG systems, and prompt engineering frameworks
  • Develop personalization systems and persistent memory for enhanced user experiences
  • Enhance conversational intelligence for natural interactions
  • Build and optimize live AI-powered voice and video interaction systems
  • Develop and manage backend systems for user data and analytics
  • Lead and mentor engineers across AI, backend, and DevOps
  • Continuously evaluate and integrate advancements in LLMs and multimodal AI

Requirements

  • 5–10+ years in backend engineering, distributed systems, or AI/ML platforms
  • Strong expertise in Python, system design, APIs, and databases
  • Hands-on experience with LLMs, RAG systems, vector databases, and agent frameworks
  • Strong understanding of prompt engineering, personalization, and memory systems
  • Proven ability to design scalable, fault-tolerant, real-time systems
  • Experience building and deploying high-performance production systems
  • Demonstrated experience building products at scale
  • Comfortable working in fast-paced, ambiguous startup environments
  • Strong ownership mindset with focus on quality, performance, and user experience
  • Nice to Have: Experience in EdTech, conversational AI, or voice/video AI systems
  • Nice to Have: Exposure to real-time streaming architectures or multimodal AI systems
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Pythonsystem designAPIsdatabasesLLMsRAG systemsvector databasesagent frameworksprompt engineeringpersonalization systems
Soft Skills
leadershipmentoringownership mindsetfocus on qualityfocus on performancefocus on user experienceadaptabilitycollaborationproblem-solvingcommunication