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.