Apr 2021 – Apr 2022 · 1 yr

• DevOps:
• Faster & reliable CI-CD, Infra Cost Management, streamlined collaboration with devs, automation tasks to decrease dependencies on DevOps team
• Growth:
• User Onboarding experience, Website experience, Partner integrations
• Platform Services:
• Payment Gateways, Data Ingestion, A/B Experimentation
• Data Engineering:
• Realtime User Facing Event Analytics with Kafka Streams & Pinot
• User Cohort Job Feed Platform: A Spark-based plug-n-play engine, that creates ML-powered feeds for user cohorts and also provides a unified API for both batch and streaming.

May 2019 – Apr 2021 · 1 yr 11 mos

• LimeReach is an AI-powered SaaS platform designed to provide solutions to e-commerce business. Key solutions: a.) Budget Optimisation Algorithms to maximise the marketing ROI b) Powering website product feeds with an AI layer built by capturing user behaviour on the website.

Nov 2017 – May 2019 · 1 yr 6 mos · Gurgaon, Haryana, India

• Static LineHaul Network based on historical demands and customer service commitments.
• It uses concepts of Graph Theory, Linear Programming, Monte Carlo Simulations and Genetic Programming to create Vehicle Routes and Schedules which form the basis of day-to-day linehaul operations.
• ETA Services for Trucks using Historic GPS data of Rivigo’s fleet and OSM to create in-house ETA services for multiple truck types.
• Apache Spark 2.3, OSM, GraphHopper and IOT knit together create this powerful bundle of ETA Prediction models and Shortest/Fastest/Cheapest Routes Services.
• Pilot's Lifestyle
• Pilot to Trip Allocation Service which ensures that every pilot returns back to their homes the very same day. It maximizes pilot utilization by maintaining a balance between his lifestyle and opportunity cost. It uses Hungarian Algorithm, Linear programming and Genetic programming to match pilots with upcoming trips.
• Real Time Fuel Pilferage Detection which raise realtime alerts on detecting fuel theft while the vehicle is on move.

Apr 2016 – Aug 2017 · 1 yr 4 mos · New Delhi Area, India

• Designed, Architected and coded Sticker Recommendation Platform. Major responsibilities were to create full stack end-to-end data analytical pipelines comprised of Machine Learning blocks, Data cleaning and aggregation modules, Big Data Stack.
• Designed, Architected And Coded Content Ranking & User Personalisation Platform. The platform collects content feedback from users and ranks content realtime for multiple segments and content categories using pluggable ranking techniques thereby serving most trending and personalised content to users.
• Social Influencer Index using network analysis, pattern mining and regression modelling
• Designing Targeted Marketing Campaign. Major responsibilities include User Segmentation, Offer Variant Strategies, A/B Experimentation, creating prediction models, simulating campaign on network to analyse cost and impact.
• Hands-on expertise on Kafka, Apache Spark, Spark Streaming, HBase, Redis, MongoDb, Hive and GraphLab

Jun 2013 – Feb 2016 · 2 yrs 8 mos · Gurgaon, India

• Designing a Service Assurance Product for VoLTE (4G voice call services) for root cause analysis of the faults/degradations occurring in the network. Requires extensive understanding of graphs and machine learning techniques like Bayesian Networks, Markov Chains, Unsupervised Classification Methods etc.
• Design and development of Big Data analytics platform for DDOS Attacks (Anomaly) Detection and Prevention using Java, Scala, Apache Spark and Yarn.
• Conducting In-House Trainings of Apache Spark and NoSql.
• Porting MapReduce Applications to Spark Applications thereby gaining significant runtime improvements.
• Worked with Approximate Query Processing algorithms.

Oct 2010 – Jun 2013 · 2 yrs 8 mos · Noida Area, India

• Working as a part of Veloce Compiler RnD Team.
• Responsibilities mainly include designing efficient solutions for compile time improvement. Had also handled customer issues in asia-pacific region for quite sometime.

Jun 2008 – Oct 2010 · 2 yrs 4 mos · Noida Area, India

• Worked for Precision Synthesis RnD team.
• Responsibilities included improving the Quality of Result (QofR), improving software runtime and handling customer issues.

May 2007 – Jul 2007 · 2 mos · Noida Area, India

• Worked for Precision Synthesis Team.
• Was offered a permanent position for my contributions.