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Technical Lead

icon building Company : Weekday Ai
icon briefcase Job Type : Full Time

Number of Applicants

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Job Description - Technical Lead

This role is for one of the Weekday's clients

Salary range: Rs 3000000 - Rs 5500000 (ie INR 30-55 LPA)

Min Experience: 8 years

Location: Thane

JobType: full-time

We are seeking an experienced Technical Lead with a strong backend orientation and deep expertise in Node.js and modern frontend frameworks such as React or Next.js. The ideal candidate has a proven track record in building and scaling SaaS products and hands-on experience integrating Large Language Models (LLMs) into production-grade systems.

This role will lead the design and development of scalable backend architectures, robust APIs, and AI-powered capabilities embedded into core product workflows. The position requires technical ownership, architectural decision-making, and cross-functional collaboration to drive long-term platform scalability and innovation.

Key Responsibilities

  • Lead the design, development, and scaling of backend services using Node.js and/or Python.
  • Architect and maintain frontend components using React or Next.js where required.
  • Design SaaS-grade backend systems including authentication, role-based access control (RBAC), and multi-tenant architecture.
  • Integrate LLM APIs (e.g., OpenAI or similar models) into product workflows such as chat systems, intelligent insights, and automation features.
  • Architect and manage relational and NoSQL databases (PostgreSQL, MySQL, MongoDB).
  • Ensure high performance, security, reliability, and horizontal scalability of the platform.
  • Drive architectural decisions and contribute to long-term technical vision and roadmap.
  • Collaborate closely with product managers, AI specialists, and domain experts to translate business requirements into scalable technical solutions.
  • Establish best practices in code quality, CI/CD, DevOps workflows, and system observability.

Required Skills & Experience

Core Technical Expertise

  • 5+ years of experience in full-stack development with a backend-heavy focus.
  • Strong proficiency in Node.js and modern JavaScript / TypeScript.
  • Experience with React and/or Next.js.
  • Strong understanding of RESTful API design and backend architecture principles.
  • Hands-on experience with SQL and NoSQL databases (PostgreSQL, MySQL, MongoDB).
  • Proven experience building and scaling SaaS platforms.
  • Familiarity with Git, CI/CD pipelines, Docker; cloud exposure is advantageous.

LLM & AI Integration Experience

  • Hands-on experience integrating LLM APIs (e.g., OpenAI or similar).
  • Experience in prompt engineering, optimization, and evaluation.
  • Building AI-powered features within live production environments.
  • Understanding of latency, cost management, observability, and reliability considerations in LLM deployments.

Good to Have

  • Experience working with ERP, MES, or operational platforms.
  • Familiarity with Retrieval-Augmented Generation (RAG), embeddings, and vector databases.
  • Exposure to cloud platforms such as AWS or GCP.
  • Experience in early-stage or zero-to-one product environments.
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