Summary
Overview
Work History
Education
Skills
Personal Information
Timeline
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Sudhansu Sekhar Jena

Bengaluru

Summary

Principal Member of Technical Staff with extensive experience in developing scalable applications and a comprehensive understanding of the Software Development Life Cycle. Proficient in coding, design, and implementation, with a strong focus on creating customized software solutions. Expertise in Java, JavaScript, and Python, coupled with a proven ability to adopt emerging technologies. Recognized for driving product innovation, enhancing team dynamics, and ensuring high levels of customer satisfaction. A committed student eager to leverage exceptional communication and interpersonal skills in a professional setting. Possesses experience in data entry and money handling.

Overview

13
13
years of professional experience

Work History

Principal Member of Technical Staff- OCI

Oracle
Bengaluru
01.2024 - Current
  • Designed and implemented the Fast Pipeline for real-time report generation, reducing report refresh time from 12 hours to under 2 minutes which helped in enabling faster decision-making and reduced manual reporting effort for TPMs through real-time data availability.
  • Built an asynchronous Daemon Framework to support background task execution in real time, helping meet aggressive SLA targets.
  • Replaced legacy JDBI with Hibernate ORM, improving database performance and making the codebase cleaner and easier to maintain.
  • Optimized compute resources across staging and production environments, reducing infrastructure costs while maintaining system stability.
  • Designed and implemented the Version Drift Reporting system with a dedicated pipeline, caching, and storage sync to deliver reliable and fast insights.
  • Improved Kubernetes (OKE) performance by implementing anti-affinity rules, optimizing pod scheduling, and separating workloads.
  • Integrated Slack and JIRA APIs into the platform to automate alerting and ticket management, enhancing team responsiveness and coordination.
  • Reduced on-call incidents by automating fixes for recurring failures, resulting in improved system reliability and less manual intervention.

Technical Lead

Bigbasket
Bengaluru
01.2022 - 01.2024
  • Designed and implemented generic, Event Driven highly scalable subscription engine to process User's subscription order from any entry context within Bigbasket ecosystem
  • Revamped the entire back-end structure of subscription-based order placement cron that helped to efficiently process 600,000 orders/day from 3 hours to 30-minute timeframe
  • Led the high level architectural changes required in bbdaily existing architecture to support dual product pricing system
  • Was responsible in in migrating all the micro services using the kubernates yaml based deployment to helm chart based deployment
  • Was responsible in setting up Atlas in non-prod environment to support multiple feature testing at the same time by doing header based routing
  • Improved the database performance by reducing DB CPU utilization from 85% to below 50% and DB connection from 5.8K to below 5K by implementing rate limiting in every kafka consumers there by reducing load to DB
  • Responsible for designing, implementing, and providing business solutions for customers
  • Led efforts in root cause analysis and fixing customer bugs
  • Collaborated with multiple teams such as the product managers and developers to clarify requirements, draft design proposals and implement the best option
  • Contributed significantly for improvement of the quality and stability of the system by fixing numerous bugs
  • Working closely with business, product, finance and customer support teams
  • Automated a lot of recurring manual work and regular day to day issues
  • Developed new micro-services from the existing monolithic system
  • ENVIRONMENTS: Linux, Java/J2EE, Node JS, Python, Java Vert.x, Maven, Redis, Kafka, Elastic Search, Jenkins, Kubernates, MySql

Senior Member of Technical Staff

Athena health
04.2020 - 01.2022
  • Company Overview: To provide a near-time, scalable healthcare eventing platform which enables consistent information exchange between decoupled systems, making it easier and faster to publish and subscribe to events within and outside the athena network in order to drive better care coordination
  • Involved in participating and discussing on the design discussion in choosing the right tech stack for finalizing the tech stack and the architecture of the eventing workflow
  • I was solely responsible for designing, implementation and deploying the Fhir Mapper Streaming Job into Apache Flink Cluster for processing input CDC events from Apache kafka input topics and publishing into output topics which can be furthered processed by subsequent downstream streaming jobs
  • Designed, Implemented and deployed the AWS SNS Flink Job which was responsible for pulling messages from the FHIR mapped kafka topics and publishing Audit Events to AWS SNS topics which can be subscribed by various internal or external upstream micro services
  • Designed and implemented Event Polling REST APIs for pulling Events directly from Apache Kafka where consumers can directly pull the events they have subscribed for
  • Designed and Implemented the Rule Engine for Evaluating whether the input CDC Message can be convertible to output client usable events
  • Designed and Implemented the Jenkins CI/CD pipeline for building, testing and publishing project artifact
  • Helped my team in eventing in assessing the suitability of unexplored tech stack, frameworks/tools like Apache Storms, On-prem EKS, implementing event Pull model by doing research and showing POCs by documenting the benefits and drawbacks of each
  • I was responsible in doing Vulnerability Assessment for projects by scanning through tools WhiteSource, Checkmarx and Netsparker to identify security vulnerabilities in code and exposed Rest APIs and also fixed all the issues which was reported by the tools post scanning
  • To provide a near-time, scalable healthcare eventing platform which enables consistent information exchange between decoupled systems, making it easier and faster to publish and subscribe to events within and outside the athena network in order to drive better care coordination
  • ENVIRONMENTS: Linux, Java/J2EE, Maven, Sonarqube, Jenkins, Bit bucket, Apache Kafka, Apache Flink, AWS-Services, Oracle 11G, Oracle GoldenGat

Senior Software Engineer

Cleartrip India Pvt Ltd
09.2018 - 03.2020
  • Designed and Developed Generic Reward Points Payment System currently supporting ADCB but flexible enough to accommodate any payment System in future with minimal code changes
  • Currently live with Desktop, Mobile and PWA
  • Designed and implemented Generic Payback Payment System where users can earn and redeem Payback points for bookings through cleartrip
  • Designed and Implemented Webcheckin as a micro service from scratch for flight booking through cleartrip and integrated with the existing system
  • Developed Restful APIs for checking account linking, checking payback balance, earning points, pay and validate, payback signup, payback refund
  • Implemented the seat Map Webservice for webcheckin
  • Design and implemented External Search API to accommodate Fare/Tax breakup and baggage Inclusion for adult, child and infant
  • Developed various features for cleartrip's flights Search & Book service
  • Re-Implemented the search API to restrict the number of flights based on the query param to help external partners to fetch flights as per the demand
  • Contributed significantly for improvement of the quality and stability of the system by fixing numerous bugs
  • ENVIRONMENTS: Linux, Java/J2EE, Spring Boot, Gradle, Redis, IntelliJ, Jenkins, Bit bucket, SVN, Apache-tomcat-8.0.36, Dockers, MySql Workbench

Senior Software Engineer

MakeMyTrip India Pvt Ltd
05.2018 - 08.2018
  • I was having the sole responsibility of developing the complete Application using React native on Android platform
  • Designed and implemented the complete UI for Train Listing, Availability, Traveler details and Booking Summary for the Rails Android React native project
  • Designed and implemented the backend APIs for Train Listing, Availability, User Service, Traveler Details, Booking Summary and Price Breakup
  • Implemented the QR code service API and integrated the same on booking success confirmation ticket sent to users and also added the 'Beti Bachao, Beti Padhao' logo on the tickets
  • Implemented the UUID for the complete Rails Backend Searching and Booking App
  • ENVIRONMENTS: React Native, Java/J2EE, Spring Boot, MySQL, IntelliJ, Jenkins, Gerrit WebStorm, iOS, Linux, Apache-tomcat-8.0.36, MySql Workbench, Android Emulator

Senior Technical Associate

Sears Holdings, India Development Center
08.2016 - 04.2018
  • Designed and Implemented Security Service to prevent bot attack and helping captcha generating service to make decision for triggering captcha to malicious user/script or bot login
  • It handled two million daily active users within the first month, with no downtime
  • Responsible for designing, implementing Audio Captcha from text captcha for Sears.com login helping visually impaired users during login
  • Designed and developed new device login utility that gave exposure to notify customers warning them for if their account was compromised
  • Implemented Algorithm to randomly choose the male and Female Audios, to produce distorted sound
  • Implemented the CURD APIs for captcha tokens
  • Implemented API for detecting new Device signup
  • Implemented the feature Sending Email for new Device Sign Up
  • ENVIRONMENTS: Windows 7, Apache-tomcat-8.0.36, Java/J2EE, Spring Boot, Mongo DB, Spring Mongo Client, Eclipse, Robo Mongo Client

Software Engineer

Manhattan Associates, India Development Center
09.2014 - 08.2016
  • Designed and Implemented the Home Depot Shipment Combining for reducing the transportation charges of trucks by combining shipment from multiple trucks into one there by reducing cost
  • Designed and Implemented the Outbound Shipment Creation Functionality for Home Depot
  • Designed and Implemented feature to move Outbound LPN onto alternative shipment
  • Collaborated with multiple teams such as the product managers and developers to clarify requirements, draft design proposals and implement the best option
  • ENVIRONMENTS: Java7, JSP, Servlets2.3, JSF 2.0, Spring, Hibernate3.0, JDBC, JavaScript, IBM JBoss Application Server, Oracle 11g, PL/SQL, Log4J, ANT, Eclipse, Tortoise Git

Project Engineer

Wipro Technology
07.2012 - 08.2014
  • Responsible for designing, implementing, and providing business solutions for customers
  • Optimized and analyzed modules written in Java to implement better software engineering practices
  • Led efforts in root-cause analyzing and fixing customer bugs for multiple customers Like UBS, HP
  • ENVIRONMENTS: Java, J2EE 1.6, Spring, Hibernate, XML, Design patterns, Eclipse 3.4, JUnit, Ant, Tortoise Git, Jboss4.3, Oracle 10g, Windows, UNIX etc

Education

Bachelor of Technology - Computer Science

Veer Surendra Sai University of Technology
Burla, Odisha, India
01.2012

Skills

  • Programming Languages: Java (J2EE), Python, JavaScript, Nodejs, SQL
  • Frameworks & Libraries: Spring Boot, Spring MVC, Dropwizard, Java Vertx, Hibernate ORM, JavaServer Faces (JSF) 2x
  • Web Technologies: RESTful APIs, HTML/CSS, JSON, JSP/Servlets
  • Databases: Oracle, MySQL, PostgreSQL, MongoDB, Redis
  • DevOps & Tools: Git, Jenkins (CI/CD), Maven, Ant, Docker, Kubernetes (OKE), Helm
  • Big Data & Streaming: Apache Kafka, Apache Flink, Apache Storm, Zookeeper
  • Cloud Platforms & Storage: AWS (S3, EC2, RDS), Oracle Cloud Infrastructure (OCI)
  • Application Servers: Apache Tomcat, JBoss, WebLogic, IBM WebSphere
  • Operating Systems: Linux (RHEL, Ubuntu), Windows
  • IDEs & Development Tools: IntelliJ IDEA, Eclipse, VS Code
  • Mobile Development: iOS (basic experience)

Personal Information

Total Experience: 10+ years of experience in developing Web based J2EE Enterprise Applications

Timeline

Principal Member of Technical Staff- OCI

Oracle
01.2024 - Current

Technical Lead

Bigbasket
01.2022 - 01.2024

Senior Member of Technical Staff

Athena health
04.2020 - 01.2022

Senior Software Engineer

Cleartrip India Pvt Ltd
09.2018 - 03.2020

Senior Software Engineer

MakeMyTrip India Pvt Ltd
05.2018 - 08.2018

Senior Technical Associate

Sears Holdings, India Development Center
08.2016 - 04.2018

Software Engineer

Manhattan Associates, India Development Center
09.2014 - 08.2016

Project Engineer

Wipro Technology
07.2012 - 08.2014

Bachelor of Technology - Computer Science

Veer Surendra Sai University of Technology

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Sudhansu Sekhar Jena