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Lamtei M Wahlang

Vetted Talent

Lamtei M Wahlang

Vetted Talent

I'm a backend developer with 8.5+ years of experience in different domains, including Payments (Compliance Unit), CRM, Fitness (IM Feature).

At FITTR, a leading fitness app, I develop backend services and APIs using Erlang, Java, Spring Framework and MySQL to create robust, scalable, and concurrent solutions that help users achieve their fitness goals.

At PayPal, I contributed to the development and testing of the compliance services with focus on ensuring customers and merchants compliance with US IRS using Java, Spring, Oracle DB and IBM ODM.

At Kapture CRM, a designed and implemented features that integrated with their ticketing system to help clients improve customer satisfaction which involves both backend and web development using Java, Bootstrap, Backbone JS and Highcharts JS.

I am passionate about learning new technologies and solving challenging problems that make a positive business impact.

  • Role

    SDE 3

  • Years of Experience

    8.90 years

Skillsets

  • RabbitMQ
  • Git - 7 Years
  • Type Script - 1 Years
  • APIS - 6 Years
  • Python - 2 Years
  • JavaScript - 5 Years
  • RESTful API - 6 Years
  • Type Script - 1 Years
  • NO SQL - 1 Years
  • AWS - 3 Years
  • RESTful - 5 Years
  • Spring Boot - 5 Years
  • Spring
  • Redis
  • Java - 5 Years
  • Oracle
  • Distributed Systems - 2 Years
  • Oracle DB
  • Erlang
  • Spring Framework
  • SQL - 6 Years
  • Backend - 7 Years
  • Docker - 5 Years
  • MySQL - 6 Years
  • MySQL - 6 Years
  • Spring Boot - 4 Years
  • Java - 5 Years

Vetted For

10Skills
  • Roles & Skills
  • Results
  • Details
  • icon-skill_image
    Lead Backend DeveloperAI Screening
  • 76%
    icon-arrow-down
  • Skills assessed :Accessibility, HLD, LLD, Performance Optimization, Responsive Design, Hibernate, Micro services, Spring Boot, Git, Java
  • Score: 68/90

Professional Summary

8.90Years
  • Dec, 2021 - Present3 yr 6 months

    Senior Software Engineer

    FITTR (Squats Fitness Pvt Ltd)
  • Sep, 2018 - Nov, 20213 yr 2 months

    Software Engineer 2

    PayPal India Pvt Ltd
  • Jun, 2015 - Sep, 20183 yr 3 months

    Software Developer

    Kapture CX
  • Jan, 2015 - May, 2015 4 months

    Java Developer (Internship)

    Kapture

Applications & Tools Known

  • icon-tool

    MySQL

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    jQuery

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    Oracle

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    Git

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    Visual Studio Code

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    Confluence

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    AWS Cloud

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    Javascript

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    Brand24

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    Docker

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    AWS

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    Typescript

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    Python

Work History

8.90Years

Senior Software Engineer

FITTR (Squats Fitness Pvt Ltd)
Dec, 2021 - Present3 yr 6 months
    • Refactored the code for progress APIs written in NestJS to address design issues and improve performance and scalability.
    • Lead the redesign and revamp of the Fittr messaging module, addressing design issues, refactoring and adding new modules to improve scalability and performance. This is done by migrating dependent services to managed services, adding clustering support, distributed caching and optimising queries to the backend services which uses Erlang, Java Springboot and RabbitMQ.
    • Contributed to the revamp of the Fittr Training Tool, collaborating with the design and app teams to improve the backend API for the tool.

Software Engineer 2

PayPal India Pvt Ltd
Sep, 2018 - Nov, 20213 yr 2 months
    • At PayPal, I played a key role in improving 1099K reporting which is a time critical process to comply with IRS by identifying and fixing gaps in the reporting system to make sure reports are upload on time.
    • I contributed to the development of system enhancements for the CP2100 flow impacting merchants, that help reduced backup withholding and improving compliance for PayPal business accounts.
    • Furthermore, I am a sole contributor for a system upgrade impacting multiple compliance services which resulted in reduced API calls and lower transactions per minute hence improving system performance.

Software Developer

Kapture CX
Jun, 2015 - Sep, 20183 yr 3 months
    1. Developed a mailing system that is mainly used in the ticketing platform for the CRM using Java, Postfix and Dovecot
    2. Integrated an in house Chat system based on XMPP and collaborated in the development of the Chat SDK (Web, Android and iOS) using Java and Erlang for the backend, BackboneJS and Strophe JS for the Web Client/SDK.
    3. Integrated APIs used for the ticketing system and lead generation in the platform

Java Developer (Internship)

Kapture
Jan, 2015 - May, 2015 4 months
    Developed a robust Reporting Engine which is a template-based, generic reporting tool utilising a combination of available metrics for creating charts and tables saved as templates. The templates are used by clients for automated ticketing and lead generation reports.

Achievements

  • Collaborated in redesign and revamping the Fittr chat module to address design issues and add features.
  • Worked on the back-end API for the Fittr Training Tool and admin dashboard.
  • Improved 1099K reporting and system enhancement for CP2100 flow at PayPal.
  • Developed system upgrade at PayPal that reduced API calls.
  • Contributed to GCCVP craftsmanship to improve software quality at PayPal.
  • Collaborated in the development and integration of the Chat SDK for Kapture CRM.
  • Played a core role in refactoring progress APIs restructuring data and schema to address scalability and performance issues across multiple services using NestJs and Typescript.
  • Spearheaded the revamp of the in-house chat services, implementing caching, enhanced monitoring, and re-architecting the system for scalability, resulting in significantly increased user engagement and system performance.
  • Upgraded and migrated legacy upstream dependencies, including Redis and RabbitMQ, for improved reliability.
  • Collaborated in chat integration with various app features, developing automated push notification system for timely updates and seamlessly integrating OpenAI capabilities.
  • Contributed significantly to a system upgrade affecting multiple compliance services at PayPal, optimizing API calls and reducing latency.
  • Led collaboration to revamp the 1099K reporting system, significantly reducing 1099K corrections and enhancing tax reporting accuracy.
  • Played a significant role in critical enhancements to the CP2100 flow, substantially reducing backup withholding and IRS B Notices, improving tax compliance for PayPal US merchants.
  • Developed and launched a Web Chat SDK using Strophe JS and Backbone JS, enhancing customer support capabilities.
  • Developed a robust Reporting Engine, a template-based, generic reporting tool for creating charts and tables for automated ticketing and lead generation reports.

Testimonial

PayPal

Priya Srivastava

Lamtei has always proved himself best in terms of technical and professional communication skills. He is creative in terms of finding out the solution to a problem and has the ability to impress people with his outstanding analytical skills.

Major Projects

4Projects

Chat Revamp

Fittr
Jun, 2023 - Present2 yr

    Collaborated with cross-functional teams to revamp Fittr's in-house chat services using Java Spring and Erlang and includes:

    • Improving caching with Redis
    • Refactoring and migrating all dependencies to managed services for enhanced security
    • Rearchitect the system to support horizontal scaling
    • Refactoring group chat module to scale to thousands of groups
    • Enhanced monitoring by adding metrics
    • Adding new features and fixing issues and bugs

Report Engine

    Design and implementation of Report Engine, template based generic reporting tool.

1099K and CP2100 enhancements

PayPal
Jan, 2020 - Nov, 20211 yr 10 months
    • Worked across teams to make enhancements for CP2100 and 1099K reporting for reducing customer friction and improve compliance of US PayPal merchants. These enhancements spans across several compliance services in PayPal as well as dependencies with other data teams including data, user and payments teams.
    • Demonstrated ability to deliver project by collaborating with the business and data teams to execute and drive the 1099K and CP2100 processes to completion ensuring regulatory compliance for US PayPal accounts on time.

Reporting Engine

Kapture CX
Jan, 2015 - May, 2015 4 months
    • Contributed to the design and implementation of the Reporting Engine at Kapture, a template-based versatile reporting tool utilising Java, Bootstrap, and Highcharts JS.
    • It dynamically generates report templates using data categorised as metrics customised according to client needs.
    • The templates are used by clients for automating ticketing and lead generation reports.

Education

  • Masters (Computer Applications)

    Indian Institute of Technology (2015)

  • BSc (Honors in Computer Sc)

    North Eastern Hill University (2012)

  • Masters (Computer Applications)

    Indian Institute of Technology, Roorkee

  • Bachelor of Science in Computer Science (Honours)

    North Eastern Hill University

  • Master of Computer Applications

    Indian Institute of Technology, Roorkee

Certifications

  • Hadoop Platform and Application Framework

    Coursera (Feb, 2019)
    Credential ID : 8QW43JSNHHEN

  • Hadoop platform and application framework by university of california san diego on coursera, 2019

  • Hadoop platform and application framework by university of california san diego on coursera 2019