Sumit Kumar Sagar

Senior Software Engineer

Bengaluru, Karnataka, India7 yrs 3 mos experience

Most Likely To Switch

Key Highlights

Expert in developing user-interaction intensive web applications.
Proficient in REST API development with Java EE.
Strong experience in backend development for electric vehicles.

Stackforce AI infers this person is a Fullstack Developer with expertise in Fintech and SaaS industries.

Contact

sumitkumarsagar011@gmail.com LinkedIn

Skills

Core Skills

JavaSpring BootMicroservicesMysqlPhpJavascriptAngularHtml

Other Skills

Amazon AthenaAmazon Route 53Amazon S3Amazon Web Services (AWS)Angular 5Angular 7Angular 8Cascading Style Sheets (CSS)Chart.jsClickHouseGoogle Maps APIGrafanaGraylogHazelcastKibana

About

I'm an avid web developer who does not fear exploring any technology domain. I specialise in the development of user-interaction intensive web applications. I have ventured into REST API development in Java EE. I am on the lookout for interesting projects and opportunities. Feel free to ping me should you need some professional web development assistance.

Experience

Paytm

Senior Software Engineer

Apr 2023 – Present · 2 yrs 11 mos · Bengaluru, Karnataka, India · On-site

I have started working on Profile Management System(PMS).
Developed VPA Suggestions feature from scratch to show the new custom VPA and utilise it for different partnered PSPs.
Developed International support feature from scratch to make txn for international merchants.
Synced all users' UPI Number(for mobile) data according to partnered bank primary VPA as per NPCI guidelines.
Developed KYC Consent feature for Paytm with SBI(Co-branded Card) while auto linking to user's accounts
Developed support of Recurring Mandate Support for AutoPay when the request comes/goes for/to paytm/non-paytm handles via NPCI.
Developed extension for Credit Line instrument in PMS for GFF project.
Removed PII data from the logging due to be complianced
Review code, monitoring & troubleshooting production issues

MySQLGrafanaKibanaSpring BootJavaNewrelic+2

Ola

Software Development Engineer II

Nov 2021 – Apr 2023 · 1 yr 5 mos · Bengaluru, Karnataka, India · On-site

I was working on the backend of OLA Electric vehicle.
I was handling a team of 4 members.
Developed a feature(profiles) from scratch(to use one EV by multiple guest users) for 1L users.
This profile feature is getting patented.
Created a cron job to remove inconsistency in profiles' data and to make the system perform well which made the profile's performance from 70% to 99%.
Identified the ambiguity for profiles and implemented solutions for it.
Created an extension for sending SMS to new/existing users (when scooter build upgrades)
Fixed bugs in the system to make it a good user experience.

MySQLPython ScriptGraylogScyllaDBHazelcastSpring Boot+3

Z1 media

Back End Developer

Aug 2020 – May 2021 · 9 mos · Gurugram, Haryana, India · Remote

To monetise/marketise your website, Z1 has its platform VDO.AI and I was working on its analytical part.
Developed creating the reports for website owner based on inputs(e.g. how many no. of views on their webpages? or what is/was the revenue for a date range?) or they can see other useful events what this platform provides them.
Developed reports based on comparing two different date ranges.
Developed feature for sending reports to owner emails.
I was dealing with ClickHouse very big queries majorly(more than 1.5k lines).

MySQLClickHousePHPPython Script

Droom technology

Associate Software Engineer

Jan 2020 – Jul 2020 · 6 mos · Gurgaon, India · On-site

I was working on droomcredit project which is related to providing a loan for your vehicle (it can be used or new).
I worked on creating the report generation for Borrower/Lender/Admin.
I added a logging system for any kind of activity for Borrower/Lender/Admin Dashboard using RabbitMQ.
Made an extension for applying a loan in the Admin section.
Fixed bugs in the system to make it a good user experience.

JavaScriptPHPLaravelRabbitMQRedis

Eminent dynamics pvt. ltd.

Software Engineer

Oct 2017 – Jun 2019 · 1 yr 8 mos · Jaipur, Rajasthan, India · On-site

I was appointed as a web developer to make a fleet management portal. Ryoking is based on GPS Vehicle Monitoring System. Here, I have worked on the following modules-
Developed Fleet Management Portal for the user’s vehicle monitoring system using Vanilla JavaScript with some Google Maps API(e.g. animate the marker when the live location of the vehicle, show trip routes on the Map, Create Geofence Circle, Show Notification on the Map, Clustering the Marker on zoom-in/out).
Added chart for the trips' analytics in the web portal using the chart.js library.
Developed REST APIs in J2EE using Jersey framework.
Developed module Engine Cut-Off the vehicle in the REST API through the App
Created website (https://www.ryoking.com) from scratch in Angular8.

MySQLAmazon Route 53JavaScriptGoogle Maps APIAmazon AthenaAmazon S3+5

Indian institute of information technology kota

IIITK ERP- UI/UX Head

May 2016 – Jun 2016 · 1 mo · Jaipur Area, India

Lead UI designer and web developer for IIITK ERP Solution
Used HTML, CSS, JavaScript, JQuery, and Ajax. Created modules for uploading documents for student registration, uploading ID card photographs, portal for fee structure and payment entry. The product was used by about 220 students for registration.

JavaScriptCascading Style Sheets (CSS)HTMLjQuery