MANOJKUMAR RAJENDRAN
Staff Data Engineer
Chennai,Tamilnadu
Summary
- 16+ years of professional experience spanning InfraOps, Healthcare, Banking, Energy and MLOps domains.
- A full stack Python data engineering manager with extensive hands-on experience in design/execution of the end-to-end architecture.
- Driven multiple analytic projects with high complexity, strategic value, and executive visibility.
- Built high performance teams and infused a culture of Innovation, Ownership, Excellence and Intrapreneurship among team members. Extensive hands-on experience in Data modelling, Data Ingestion, Data analytics, Statistical models, Data visualization/reporting.
- Designed and executed ML pipelines using Supervised & Unsupervised learning methods.
- Designed and implemented scalable big data analytics solutions
- Solutioning of architecture on both on-premises and AWS.
- Served as onsite tech lead and spearheaded project execution from conception till closure.
- Customer-focused, results-focused individual; passionate professional; pro- active in providing efficient & scalable solutions which equates to customer success.
- Implemented many enterprise-wide scalable automation initiatives for various labor- consuming processes. Proponent of best programming practices and evangelize across organisation.
- Technical lead, mentoring juniors & interns and bringing out their best.
Overview
16
16
years of professional experience
6
6
years of post-secondary education
Work History
Staff Data Engineer
Oportun
Chennai
02.2022 - Current
- Developed a proprietary FastAPI based MLOps platform providing services like ML model management, model versioning, model validation, model auditing, model orchestration, and model deployment.
- Designed and implemented the MLOps platform by using custom lightweight DAGs using native Python, resulting in 100x increase in performance and hassle-free orchestration, compared to using industry-familiar orchestration frameworks.
- Implemented validation mechanism which allowed customers to validate their model in the MLOps platform using huge datasets.
- Developed model metrics engine for reporting to business leaders.
TECHNICAL MANAGER
GAVS TECHNOLOGIES INDIA PVT LTD
04.2020 - 01.2022
- Designed and implemented a Pyspark based AIOps platform for infra monitoring of physical/digital assets of organization, with an aim of reducing the MTTR.
- Liaised between business and technology units to manage delivery schedules for the AIOps platform.
- Technically mentored the team in development of the AIOps platform
- Developed many features of platform such as Suppression of alerts, correlation of events, Pattern based clustering, Incident triaging, Dynamic threshold of alerts, Automated remediation, Root cause insights, etc.
- A lightweight distributed processing engine using the multiprocessing features of Python as an alternative to Spark for processing huge data.
LEAD ENGINEER
GAVS TECHNOLOGIES INDIA PVT LTD
07.2013 - 03.2020
- Developed a parallel processing OOPS-based engine using Airflow + Celery for executing Statistical algorithms to compute strategic insights on decades of healthcare data.
- Implemented a Flask based web application to display the prediction accuracy of various statistical models
over time. - Authored a CI/CD solution using Teamcity, Chef for automatic deployment of web apps.
- Designed a RPA bot using selenium to integrate web reports with proprietary governance portal.
- Developed an automated utility to generate LMS certificates and PMS letters.
- Mentored juniors in improving their technical knowledge to boost their productivity.
SENIOR APPLICATIONS DEVELOPER
INAUTIX TECHNOLOGIES INDIA PVT LTD
07.2010 - 07.2013
- Developed and enhanced a SWIFT based settlement system for Forex trades.
- Created periodic jobs for hassle free settlement of trades on their settlement day.
- Learned and shared knowledge of new technologies to support technically challenging projects and assume various responsibilities.
- Implemented consistent coding practices.
- Estimated work hours and tracked progress using Scrum methodology.
- Tested functional compliance of company products.
APPLICATIONS DEVELOPER
INAUTIX TECHNOLOGIES INDIA PVT LTD
05.2007 - 07.2010
- Designed and developed application scripts for test scenarios.
- Wrote code for SWIFT based proprietary software application for settlement of trades.
Education
PGWPM - IT, operations
GREAT LAKES INSTITUTE OF MANAGEMENT
09.2015 - 09.2017
BACHELOR OF ENGINEERING - MEPCO, Electronics and communications
SCHLENK ENGG. COLLEGE
04.2003 - 04.2007
Skills
Python 36undefined
Accomplishments
- Designed and implemented a MLOps platform for the organization for seamless deployment and management of ML models thereby facilitating fast learning and continuous improvement.
- Conceptualized, designed and built/mentored a AIOps platform (https://zif.ai) for accelerated businessoutcomes with the following features:
- Prediction of system outages: Timeseries forecasting/Prediction of system down time fromperformance data of various system counters like CPU, Memory, Disk, Application latency using RandomForestRegressor for future time series
- Compute the ETI (Expected Time to Impact) of the physical assets based on Forecasted utilization and present them as Opportunities for L1/L2engineers for proactive maintenance of physical assets
- Established 95% accuracy in predicting system outages
- Anomaly detection: An anomaly detection model using statistical methods like z-score, IQR and
- Mean anomaly with vote-based scoring, Isolation Forest and percentiles and use the modelinsights to compute Dynamic Threshold of physical assets
- Pattern-based clustering of alerts: An unsupervised model to correlate unrelated events based onpattern co-occurrence using DBSCAN algorithm
- Noise reduction of alerts: A fault-tolerant and reliable Spark Structured streaming engine in multi-node clustered environment with capability of analyzing 10 lakh events in a minute
- Persisting theanalytics insights in a distributed mongo DB cluster
- Event correlation: A business rules-based algorithm to correlate events & alerts from multipleservers based on dynamically changing physical & logical topology of devices
- Root cause Insights: An algorithm to derive the RCA of an issue based on 360-degree analysis ofvarious data at hand
- Automated Remediation: Algorithm to auto close cases/tickets to reduce operational burden of L1/L2 engineers
- Automated Incident triaging: Algorithm to recommend technician to assign to a new ticket basedon patterns learned from historical incidents/tickets warehouse
- Dynamic threshold-based flagging: Algorithm to distinguish Actionable insights with non-actionable insights based on Dynamic threshold of various counters
- Prioritization of alerts/Insights: Algorithm to prioritize cases/tickets for prompt action of Operational team within SLA
- Acts on user-driven inputs configured in platform
- A lightweight distributed processing engine using the multiprocessing features of Python as analternative to Spark for processing huge data
- Migrated the Spark components from on-premises to AWS EMR
- An analytics engine for pre/post processing data of Statistical modelling using factory designpattern (OOPS paradigm in Python)
- A parallel processing engine using Airflow + Celery for executing Statistical algorithms tocomputing insights on decades of healthcare data
- An end-to-end ETL solution using SAP Business Objects Suite XI
- Tools used: Universe designer,
- Crystal reports, CMC, Infoview
- A Flask based web application to display the prediction accuracy of various statistical models overtime
- A CI/CD solution using Teamcity & Chef for automatic deployment of web apps
- An RPA bot using selenium to integrate web reports with proprietary governance portal
- An automated utility to generate LMS certificates and PMS letters
- A utility to monitor remote Linux servers and apply remediation measures in case of thresholdbreaches/anomalies
- A customized version of Project management framework using open-source enterpriseframework called Project Open to suit the needs of organization
- A utility to periodically refresh BIC loads using Perl and generate custom reports for integrating to Dashboards.
Timeline
Staff Data Engineer
Oportun
02.2022 - Current
TECHNICAL MANAGER
GAVS TECHNOLOGIES INDIA PVT LTD
04.2020 - 01.2022
PGWPM - IT, operations
GREAT LAKES INSTITUTE OF MANAGEMENT
09.2015 - 09.2017
LEAD ENGINEER
GAVS TECHNOLOGIES INDIA PVT LTD
07.2013 - 03.2020
SENIOR APPLICATIONS DEVELOPER
INAUTIX TECHNOLOGIES INDIA PVT LTD
07.2010 - 07.2013
APPLICATIONS DEVELOPER
INAUTIX TECHNOLOGIES INDIA PVT LTD
05.2007 - 07.2010
BACHELOR OF ENGINEERING - MEPCO, Electronics and communications
SCHLENK ENGG. COLLEGE
04.2003 - 04.2007
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