JAINENDRA SINGH
Software Engineer(Architect) - Backend(Java)
Bengaluru
Summary
Highly accomplished software engineer(architect) specializing in Core Java, Multi-threading, Data Structures, and Algorithms.
Expertise in Distributed Systems, Design Patterns, Architectural Patterns, Messaging Systems, Microservices and Cloud Technologies. Proven track record of delivering scalable, reliable, and high-performance solutions across diverse domains including trading systems, telecom, e-commerce, PLM and product development.
Overview
18
18
years of professional experience
Work History
Software Engineer 3
JPMorgan Services India Pvt. Ltd
11.2020 - Current
- Developed application routing systems using Core Java.
- Developed Distributed Cache using master-slave architecture using Core Java, Spring Boot, Websocket and AMPS broker.
- Developed API gateway to convert JSON to FIX message using Core Java, Netty and FIX engine.
- Developed Order Management System using Core Java, Multithreading and jpmc inhouse framework.
- Developed a low latency and high throughput messaging system using TCP and UDP.
- Technologies Used: Java 1.8, Core Java, Spring-Boot, Netty, REST APIs, WebSocket APIs, JSON, YAML, Protobuf
Senior Software Engineer
ExVillage Software Systems
07.2019 - 11.2020
- Designed and implemented an exchange proxy for trading systems using Core Java, Multithreading, Vertx, Spring Boot, and MyBatis.
- Developed a C2C market place to enable direct transaction between users using Core Java, Spring Boot, and REST APIs.
- Developed a crypto index provider using Core Java, Multithreading, Spring Boot, Websocket and REST APIs.
- Developed messaging systems using Core Java, Multithreading, NATS, Solace, and ActiveMQ to provide asynchronous communication.
- Technologies Used: Java 1.8, Vertx, Spring-Boot, MyBatis, MySQL, MongoDB, Redis, NATS, Solace, ActiveMQ, TCP Socket APIs, REST APIs, WebSocket APIs, JSON, YAML, Protobuf
Product Architect
Peel-Works Pvt Ltd
10.2018 - 02.2019
- Architected backend APIs using GRAILS framework and Java 1.7.
- Enhanced system performance implementing Redis Cache
- Led development of new features and enhancing existing, improving customer satisfaction.
- Technologies Used: Java 1.7, GRAILS Framework, MySQL
Software Development Specialist
Amdocs India Pvt Ltd
09.2016 - 10.2018
- Developed PBG and Digital R&D products using Java 1.7, multithreading, and design patterns.
- Conducted POCs and R&D, achieving performance improvement of 30% in tools.
- Automated deployment pipelines with Ansible and Consul, eliminating manual interventions and errors.
- Migrated a monolithic system to microservices using Spring-Boot and Kafka.
- Implemented service discovery using consul and HAProxy.
- Technologies Used: Java 1.7, OOPs Concepts, Algorithms, Design Patterns, Multithreading, JAXB, JAXP, Maven, Ansible, Consul, YAML
Tech Lead
GoldenSource India Pvt Ltd
10.2012 - 09.2016
- Conducted POCs and R&D to eliminate manual intervention and errors in delivering reference data.
- Developed vendor domain updater and mapping designer tools eliminating manual work and error by 90%.
- Enhanced system robustness with multithreading and JAXB/JAXP integrations.
- Developed eclipse plugins to implement Abstract Syntax Tree to provide high level programming expression for dynamic mapping and conversion of data.
- Mentored junior developers to upskill and enhance their capability and productivity.
- Technologies Used: Java 1.7, OOPs Concepts, Algorithms, Design Patterns, Multithreading, JAXB, JAXP, Ant
Software Engineer
Geometric Ltd
01.2011 - 10.2012
- Developed data adapter and JT viewer using Java 1.7, multithreading and JEE.
- Developed a data integration tool to transform a complex XML file containing hierarchical data between two different representations.
- Developed a web application to provide transportation and viewing of a huge JT file.
- Conducted R&D on PLM solutions, reducing integration time by 25%.
- Technologies Used: Java 1.7, OOPs Concepts, Algorithms, Design Patterns, Multithreading, JAXB, JAXP, Ant, JEE
Senior Software Engineer
Wirkle Technologies Pvt Ltd
05.2010 - 12.2010
- Developed a change management system using Struts 1.1 and Spring.
- Developed an event management system using Struts 1.1, Spring and Netty.
- Enhanced user experience through implementing AJAX.
- Developed asynchronous communication using JMS.
- Technologies Used: Java 1.6, Servlet, Network/Socket Programming, Struts 1.1, Spring, Hibernate
System Analyst
Xavient Information System
11.2007 - 05.2010
- Developed a PPV system using Core Java & Multithreading.
- Developed framework using Java 1.4, EJB, and Spring to be used by high level business applications.
- Developed a shopping cart application using Java/JEE, and Spring.
- Developed asynchronous communication using JMS.
- Technologies Used: Java 1.4, Servlet, Struts 1.1, EJB 2.1, JDBC 2.1, Axis 1.2, Spring, Oracle 9i, WebLogic 8.1, Multithreading, Network/Socket Programming
Education
B.Tech - CSE
Dr. A. P. J. Abdul Kalam Technical University
Lucknow06-2006
Skills
Key Skills: Core Java, Data structure, Algorithms, Multi-Threading
Frameworks: Spring-Boot, Netty, Struts, Hibernate
APIs: REST, Web Socket, SOAP, TCP, UDP
Databases: MySQL, Oracle, MongoDB
Platforms: Tomcat/Jetty, JBoss/WebLogic, AWS, GCP
Tools: Jenkins, Maven, Gradle, Git
Methodologies: Agile, Kanban, Scrum, TDD, BDD, DDD
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline
Software Engineer 3
JPMorgan Services India Pvt. Ltd
11.2020 - Current
Senior Software Engineer
ExVillage Software Systems
07.2019 - 11.2020
Product Architect
Peel-Works Pvt Ltd
10.2018 - 02.2019
Software Development Specialist
Amdocs India Pvt Ltd
09.2016 - 10.2018
Tech Lead
GoldenSource India Pvt Ltd
10.2012 - 09.2016
Software Engineer
Geometric Ltd
01.2011 - 10.2012
Senior Software Engineer
Wirkle Technologies Pvt Ltd
05.2010 - 12.2010
System Analyst
Xavient Information System
11.2007 - 05.2010
B.Tech - CSE
Dr. A. P. J. Abdul Kalam Technical University