Vikram Singh

Software Engineer

Uttar Pradesh, India14 yrs experience

Most Likely To SwitchHighly Stable

Key Highlights

Expert in Java and Microservices architecture.
Proven track record in developing scalable systems.
Strong mentoring and team leadership experience.

Stackforce AI infers this person is a Backend-heavy Fullstack developer with expertise in SaaS solutions.

Contact

vaspaean@gmail.com LinkedIn

Skills

Core Skills

JavaMicro ServicesKafkaSpring

Other Skills

AjaxApache POIBig DataCC#C++Data StructuresDistributed SystemsDocx4jDomain Driven DesignEJBEclipseElasticsearchFlinkFusionCharts

About

My professional goal is to build innovative technology, something that will have some real impact. I left IIT(BHU) to pursue computer science, still feel like a student with same eagerness to learn and grow. I would gladly choose to pursue learning & creation over money & position any day.

Experience

14 yrs

Total Experience

3 yrs 6 mos

Average Tenure

7 yrs 5 mos

Current Experience

Times internet

Lead Software Engineer

Jan 2019 – Present · 7 yrs 5 mos · Noida Area, India

Toos & Technologies:
JAVA: 7/8/9
Micro services, Distributed Systems
Design: Object Oriented Analysis and Design, Domain Driven Design
Big Data: Hadoop, HDFS, Hive, Map Reduce
RESTful Web Services
Spring: DI, SpEL, Security, Transaction, AOP, MVC, Rest
MySQL, MongoDB, Redis
Kafka, Kafka-streams, Kafka-connector
Flink
JUnit test suite
Git
Features Designed and Developed:
Apis refactoring consolidation to generic apis, shared with integration partners
Refactoring & restructuring of multiple modules and code
Developed many migration highly performant jobs in multi-threaded way
Migration of MongoDb & Spring to latest versions
Designed & developed realtime system for validation of TimesPoints using Kafka-streams
Developed Recharge & Payment system as a Micro Services
Developed Goal based campaigns: Generic framework
Developed of framework for Integration with admitad, an advertising and affiliate system
Developed points settlement framework which can easily handle million of users
Designed a highly scalable system which can be integrated with TOI with peak traffic 50 million hits per day and scale upto 150 million hits per day
Mentoring of team members, guiding everyone to best design and coding practices

JAVAMicro servicesDistributed SystemsObject Oriented Analysis and DesignDomain Driven DesignBig Data+13

Sirionlabs

Technical Lead

Oct 2013 – Mar 2018 · 4 yrs 5 mos · Gurgaon, Haryana

Development of Enterprise Supplier Management Platform which automates Contract, Performance and Finance Management.
Technologies:
Java, C, C#
PostgreSQL, My-SQL, MongoDb, Redis
MyBatis, Hibernate, JPA.
Elasticsearch
RabbitMQ, Kafka
Linux
Spring Restful Services, SOAP & RESTful
Spring: DI, SpEL, Security, Transaction, AOP, MVC, Rest,
Servlet, JSP, EJB, JMS, Tag Lib, Tiles, HTML, Java Script, XML, Ajax.
Apache POI, Docx4j, JASPER reports, FusionCharts
Features which I was part of designing and development :
Directed Graph structure for Clause library.
Auto Recommendation of Contract Templates(ElasticSearch).
Restful Dynamic WorkFlow Engine.
POI and Dynamic JASPER Reports framework.
Dynamic Charts generation using FusionCharts Library.
Multi-tenant architecture for all key disciplines.
Meeting Scheduler.
Mass Emails.
Time zone at client, user and entity level.
Code Refactoring, Reviewing, writing Test Cases and Mentoring.

JavaCC#PostgreSQLMy-SQLMongoDb+26

Radmond inc.

Software Engineer

Aug 2012 – Sep 2013 · 1 yr 1 mo · Noida Area, India

Expertise on J2EE based Open Source Technologies for Web Services development, Spring, Hibernate,Groovy/Grails and Object-oriented analysis and design.

Samsung electronics

Software Engineer

Jun 2011 – Jul 2012 · 1 yr 1 mo · Noida Area, India

Worked in SGP platform (Samsung’s Platform Real Time Kernel- Embedded in C language) -> Application Domain -> JAVA Team which develops and maintain Framework for various Games and Instant Messengers based on J2ME platform.
SGP Framework for various applications that I have worked on are:
Instant Messengers (Midlets): Yahoo Messenger, Gtalk, MSN, Facebook, Utalk and Ch@tON(Samsung’s proprietary).
Various Games (Midlets).
Operamini Browser (Midlet).
NativeGames(SGP platform).
Enhancement & porting of J2ME layer on Samsung mobile’s proprietary platform.
Implementing and fixing of bugs related to Frame-work for the J2ME Midlets. It consists of Supporting Classes for Midlets, KVM (K-Virtual Machine), KNI (K- Native Interface) Functions & Handles and various JSRs.
Expertise on issues related to SGP (Native Platform): Event Handling, Pop-Interface, Input Mode, various protocols such as Network, Push, Code Debugging, RAM Dump(T32 ARM Simulator) analysis, SGP Native Games built on SGP platform.
Worked on more than 15 Projects(Feature Phones) for 5 regions:
Total 5 QWERTY Models (Both DS (Dual SIM) and SS (Single SIM)) 1 with Touch Track Pad.
1 Flap Model (Both DS and SS).
2 Touch Models (Both DS and SS).
Total 4 Normal Models (Both DS and SS) 1 with Touch Track Pad.
3 Low End Feature Phones 1 QWERTY model.
For 5 Regions: SEA(South East Asia), MEA(Middle East Asia), Europe, Russia and Latin America.
Implemented Event Handling for Silent Mode and Sound Popups, Earphone/jack removal insertion, Background FM radio/ Music player events while Native Game is running for Low End QWERTY model for Latin Region.
Implemented Dual Hot Sim Swap feature for Java apps.
Extensive work on proper exiting of any Midlet in LOW Battery conditions like Saving of data, Closing of FM radio/music player, sound and various other display Pop-ups during Midlet/Virtual Machine running.