Pankaj Bishnoi Email and Phone Number
Pankaj Bishnoi work email
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Pankaj Bishnoi personal email
I am working as a Software development engineer-II at Amazon in Devices org, working on designing microservices and getting hands-on in AWS cloud services and distributed systems. I completed a Master of Science in Computer Science (MSCS) at the University of Massachusetts Amherst (Umass).I worked at Visa for 4 years as a Software Development Engineer - Worked with Visa Data labs, which processes over a billion financial transactions per day, enriches and stores, and creates data-driven applications. I have extensive experience in big data technologies using distributed computing paradigms like Hadoop, Apache Spark, Hive, Map-Reduce, building batch processing and near real-time data applications. I have proficiency in multiple programming languages including Java, Python, C, C++, and have extensive experience with data science tools/frameworks like PyTorch, Python libraries(NumPy, SciPy,sci-kit-learn, pandas), SQL, Hive, etc.
Amazon
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Software Development Engineer-IiAmazon Aug 2021 - PresentSeattle, Wa, UsSmart Alarm Service Using Health Trackers∗ Developed an AWS Lambda based alarm service for Amazon Halo that updates the set wake-up alarm based on sleep patterns analyzed using biometrics, thus reducing user grogginess∗ Implemented metrics flow using AWS Kinesis Firehose to evaluate the service efficiency∗ Beta testing showed 48% smart alarm effectiveness over normal alarms, waking up users 13 min early on avg◦ Health Tracking Alexa Skill for Amazon Halo∗ Developed an Alexa skill that helps users retrieve their health and wellness data using their Alexa devices∗ Enabled users to analyze their sleep cycles using hypnograms and sleep efficiency scores∗ Introduced functionality for users to retrieve and analyze historical health data at different granularities∗ Saved 29% in computational power by implementing a capability signal to prevent the over-grabbing of requests
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Software InternVisa May 2020 - Aug 2020Foster City, California, UsStreaming Data pipeline for Interactive Analytics∗ Provided end-to-end real-time analytical solution for authorization declines to improve the approval rate∗ Designed and implemented data pipeline using Spark structured streaming, Apache Druid and Apache Kafka∗ Created dashboards with sub-second update latency, enabling analysts to slice and dice data for further insights -
Senior Software EngineerVisa Mar 2018 - Jul 2019Foster City, California, Us◦ Authorization and Clearing - Spark Data Pipeline Development∗ Designed a data processing pipeline using Apache Spark and Java, provisioning near-real-time datasets∗ Achieved throughput of 22K transactions per second(TPS) processing 1.4 billion financial transactions per day∗ Developed sub-module to uniformly distribute data from different data streams producing varying data volumes into 15 buckets for seamless migration of 50+ downstream applicationsPluggable Secure Data Service Module∗ Devised and deployed an essential migration utility, based on java, from scratch for application-level encryption∗ Supported Linux and HDFS file systems, configurable to use hive tables or files of 3 different formats ∗ Optimized the performance by tuning the number of threads and batch size to achieve 45000 TPS
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Software EngineerVisa Jul 2015 - Mar 2018Foster City, California, Us◦ Re-Architecture and Optimization of Enterprise Data Warehouse Aggregate Data Layer ∗ Initiated and led the development of optimized HDFS data layer (5 billion records) improving data latency by 25% ∗ Investigated and resolved bottleneck in a map-reduce join using POCs on join techniques led 70% performance gain ∗ Identified hive predicate push down a bug in case of skew join, collaborated with Cloudera team for a solution◦ Production Business Release Automation∗ Automated execution of DDL and built the automated hive query generation module merging two layers of hql ∗ Implemented audit module by performing data profiling of 5 billion records between detail and aggregate datasets
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Sde InternMonotype May 2014 - Jul 2014Woburn, Ma, UsAnalysis of Web Font Usage to Create Targeted Campaigns∗ Modeled CDN logs as big data, processed 2.4 TB font usage data using hive and loaded refined data in DB ∗ Developed hive UDF to extract user’s location, visualized and analyzed the processed time series font data
Pankaj Bishnoi Education Details
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University Of Massachusetts AmherstComputer Science -
Indian Institute Of Technology, RoorkeeComputer Science And Engineering
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Rose Mary Convent School , BathindaSenior Secondary
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Nosegay Public School - IndiaSecondary
Frequently Asked Questions about Pankaj Bishnoi
What company does Pankaj Bishnoi work for?
Pankaj Bishnoi works for Amazon
What is Pankaj Bishnoi's role at the current company?
Pankaj Bishnoi's current role is Seeking Immediate Job Opportunities (US) | Amazon SDE-II | MSCS @ UMass Amherst | Ex. Sr. SW Engineer @ Visa | IIT Roorkee Alumni.
What is Pankaj Bishnoi's email address?
Pankaj Bishnoi's email address is pb****@****isa.com
What schools did Pankaj Bishnoi attend?
Pankaj Bishnoi attended University Of Massachusetts Amherst, Indian Institute Of Technology, Roorkee, Rose Mary Convent School , Bathinda, Nosegay Public School - India.
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