Lead ML Engineer – AdTech / User Acquisition
Experience: 10+ Years
Role: Lead Individual Contributor (Hands-on)
Working Hours: Flexible | Mandatory presence from 6 PM – 12 AM IST
Work Mode: Permanent Work From Home
Masscomcorp is looking for a Lead ML Engineer with strong hands-on experience in Machine Learning and AdTech / User Acquisition / Gaming / Marketing Analytics. This is a hands-on Lead IC role, where you will own ML initiatives end-to-end while providing technical direction and mentoring to the team.
Key Responsibilities
- Build and deploy ML models for user acquisition, targeting, campaign optimization, bidding, conversion, LTV/CLV and monetization.
- Analyze large datasets using Python and SQL to identify opportunities and improve campaign performance.
- Develop predictive models using XGBoost, LightGBM, Logistic Regression, Random Forest or similar techniques.
- Design and evaluate A/B tests, experimentation frameworks and statistical models.
- Work with AdTech platforms, ad networks and MMPs such as AppsFlyer / Adjust for attribution and campaign measurement.
- Own ML projects from problem definition to production, including model validation and monitoring.
- Provide technical leadership, code/model reviews and mentoring while remaining hands-on.
- Collaborate with Product, Engineering, Marketing/UA and Business teams to translate business problems into ML solutions.
What We're Looking For
- 10+ years of experience in ML / Data Science / ML Engineering.
- Strong hands-on experience with Python, SQL and traditional/predictive ML.
- Strong experience with feature engineering, model evaluation, statistics and A/B testing.
- Experience in AdTech, User Acquisition, Mobile Gaming, Performance Marketing, Marketing/Customer Analytics, Growth or E-commerce.
- Hands-on experience with targeting, propensity, recommendation, personalization, campaign optimization, LTV/CLV, churn/retention or monetization.
- Strong ownership and ability to provide technical leadership while continuing to work as an IC.
- GenAI/LLM/RAG/Agentic AI exposure is a plus, but traditional ML is the core requirement.
- Understanding and/or experience of Agentic + LLM ( Good to have)
- Apache Spark/PySpark and AWS experience is a plus.
Why Masscom
- Permanent Work From Home
- Flexible working hours
- 5-day working week
- Generous PTO, vacation and holidays
This is a Lead IC role — we are looking for someone who can lead technically, own projects, mentor others, and still be deeply hands-on with ML.
