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Darwix AI

Tech Lead – Backend (SaaS / B2B Product)

Darwix AI
Gurugram, Haryana On-site
On-Site Full-Time Gurugram, Haryana India

About the Role

Job Title: Tech Lead – Backend (SaaS / B2B Product)
Location: Gurgaon (On-site)
Type: Full-Time

About Darwix AI
Darwix AI is one of India’s fastest-growing AI startups, building a GenAI-powered conversational intelligence and real-time agent assist platform for global enterprise sales teams.
We’re live across India, UAE, and SEA, trusted by leading enterprises, and backed by top institutional investors and 30+ industry leaders. Built by an IIT-IIM-BITS founding team, we are redefining how sales teams engage customers using real-time AI.

Role Overview
We are looking for a hands-on Tech Lead (Backend) who is passionate about building robust, scalable, and high-performance systems. You will lead the backend engineering team for one of our core product verticals, guiding system architecture, development, deployment, and performance at scale.
This is a leadership role with significant ownership and impact—ideal for engineers who want to build cutting-edge SaaS products in the AI space while mentoring high-performing teams.

What You’ll Do
Own the architecture, design, and delivery of core backend modules powering our GenAI products
Build and scale microservices and RESTful APIs using Python (FastAPI/Django) and PHP
Collaborate with product managers, AI researchers, and frontend teams to integrate ML models into production
Lead data architecture decisions including use of relational (MySQL) and non-relational (MongoDB/Vector DBs) databases
Optimize backend for performance, availability, and security in cloud environments (AWS preferred)
Manage code reviews, mentor junior developers, and enforce engineering best practices
Ensure high test coverage, continuous integration, and zero-downtime deployments
Participate in decision-making across infrastructure, DevOps, and system scaling strategies
Translate product vision into technical deliverables with crisp execution

Tech Stack You'll Work On
Languages: Python, PHP
Frameworks: FastAPI, Django, Flask, Moodle
Databases: MySQL, MongoDB, Vector DBs
DevOps: AWS, GitHub, Docker, CI/CD
AI Integration: Langchain, LangGraph, RAG-based pipelines

What We’re Looking For
4–8 years of backend engineering experience, with 2+ years in technical leadership roles
Strong experience building and scaling SaaS or B2B platforms
Solid command of Python and/or PHP, with proven backend architecture expertise
Prior experience integrating AI/ML pipelines or working with GenAI is a strong plus
Familiarity with vector databases, Langchain, RAG, and real-time APIs is preferred
Demonstrated ability to lead engineering projects end-to-end
Excellent problem-solving, team management, and communication skills
Tier 1/Tier 2 engineering background (IIT, BITS, NITs or equivalent preferred)

What We Offer
Competitive salary, ESOPs, and performance-based bonuses
High-impact ownership across backend systems in a breakout AI product
Work with an elite team building AI-first products for global markets
Fast-track career growth, high autonomy, and rapid learning environment
A chance to build something truly category-defining from the ground up

If you're a backend leader ready to build for scale, speed, and real-world impact in the AI space—join us at Darwix AI.
Apply now and be part of the GenAI revolution.

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Application Status

Application Draft

In Progress

Submit Application

Pending

Review Process

Expected within 5-7 days

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