About the job
Join a leading team at one of Weekday's esteemed clients!
Salary Range: Rs 3000000 - Rs 5500000 (INR 30-55 LPA)
Minimum Experience Required: 8 years
Location: Thane
Job Type: Full-time
We are in search of a seasoned Technical Lead who possesses a robust backend focus and extensive experience in Node.js, alongside familiarity with modern frontend frameworks like React or Next.js. The ideal candidate should have a track record of developing and scaling SaaS products and hands-on experience in integrating Large Language Models (LLMs) into production systems.
This position will oversee the architectural design and development of scalable backend frameworks, powerful APIs, and AI-enhanced features integrated into the core workflows of our products. The role entails taking technical ownership, making architectural decisions, and collaborating across departments to promote long-term scalability and innovation within the platform.
Key Responsibilities
- Direct the design, development, and scaling of backend services using Node.js and/or Python.
- Architect and maintain frontend components utilizing React or Next.js where necessary.
- 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).
- Guarantee high performance, security, reliability, and horizontal scalability of the platform.
- Drive architectural decisions and contribute to the long-term technical vision and roadmap.
- Collaborate closely with product managers, AI specialists, and domain experts to translate business needs 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-oriented approach.
- Strong proficiency in Node.js and modern JavaScript / TypeScript.
- Experience with React and/or Next.js.
- Solid understanding of RESTful API design and backend architecture principles.
- Hands-on experience with SQL and NoSQL databases (PostgreSQL, MySQL, MongoDB).
- Demonstrated experience in building and scaling SaaS platforms.
- Familiarity with Git, CI/CD pipelines, Docker; cloud exposure is beneficial.
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 product environments.

