Harsh Kumar

Software Engineer

Jalandhar, Punjab, India10 yrs 9 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

8+ years of experience in payment domain.
Expert in Spring Boot and REST API development.
Proven track record in payment gateway integration.

Stackforce AI infers this person is a Fintech Backend Engineer with extensive experience in payment systems and microservices architecture.

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Skills

Core Skills

Rest ApiRabbitmqSpring BootPayment Gateway

Other Skills

AJAXASP.NET MVCAWSAdo.netAerospikeAlgorithmsApache KafkaBootstrapCore JavaData StructuresData dogDatadogElastic Stack (ELK)HibernateJQUERY

About

Experienced Senior Software Engineer with a demonstrated history of working in the information technology and services industry. Have 8+ years of experience in payment domain. Skilled in Data structure and algorithm, Java J2ee,Spring,Spring boot, Spring boot JPA, Spring cloud, Multithreading, Hibernate, Rest APIs,C#,.NET Framework, ASP Web Services API, Windows Communication Foundation (WCF), jquery, Html, CSS, Javascript, Ajax, Sql Server, docker, kafka, aerospike, Reddis, ELK, kubernetes. Strong engineering professional with a Bachelor of Technology - BTech focused in Computer Science from NIT Jalandhar.

Experience

Pine labs

4 roles

Associate Architect

Apr 2023 – Present · 2 yrs 11 mos

Lead

Apr 2021 – Present · 4 yrs 11 mos

Senior Software Engineer

Mar 2019 – Present · 7 yrs

Senior Software Engineer

Jun 2015 – Aug 2018 · 3 yrs 2 mos · Noida, Uttar Pradesh, India

PINE WALLET
 Part of the team which created the PINE Wallet
 Developed PINE Wallet UI from scratch which includes Customer Portal, Operation Portal, Merchant Portal, Issuer Portal and Wallet Transaction UI part.
 Developed Spring Boot Service for PINE Wallet used for Card generation process, Bulk Customer registration, Fleet Cards generation.
SMS DISPATCHER/PROFILER
 Developed the system which is used to send the SMS to customers.
PINE PAYMENT GATEWAY
 Part of team which created the PINE Payment Gateway.
 Design the complete transaction flow of PINE Payment Gateway with other team members . Developed the complete transaction flow of PINE PG in which transaction is done through Credit/Debit in Redirect Mode
 Developed the PINE PG EMI System for Redirect Integration mode . This PINE PG EMI system supports the Brand EMI , Bank EMI and Brand Off us Instant Discount schemes .
 Developed EMI Calculator using Java Spring framework (Rest API). API returns Bank EMI , Brand EMI and Brand Off us Instant Discount schemes that are configured on merchant.
 Developed the Card Enforce System as one of the Integration mode.
 Integration of Net Banking as payment mode in PINE PG that includes Sale, Inquiry and Refund transaction. In this third party Net Banking service provider EBS is used.
 Developed the complete design flow and implementation of Seamless Integration mode .
 It includes the Normal Credit/Debit Purchase transaction.
 It includes the EMI Purchase transaction (Brand/Bank EMI). In this merchant fetched the EMI tenures through EMI Calculator.
 Implement the Brand Off us Instant Discount in Seamless Integration mode.
 Implement the Net banking as Payment mode in Seamless Integration mode.
 Developed the Payment Link System .
 Integration of Bajaj Finserv Limited (BFL-No Cost EMI) as payment mode and acquirer in PINE PG that includes Sale, Inquiry and Refund transaction.

Spring BootJavaREST APIRabbitMQAerospikePayment Gateway

Paytm

Senior Software Engineer

Aug 2018 – Mar 2019 · 7 mos · Noida, Uttar Pradesh, India

 Part of logistics-facility team of paytm mall.
 Implement the new Fulfilment Center Warehouse(Xpress Bees) integration for paytm
mall.
 Implement the Rest API for Reverse Cancellation Confirmation of order by customer .
 Worked on FC Control Tower and Seller Control Tower which manages all the orders
placed through warehouses of paytm by which paytm mall site shows the estimated
delivered date for items .
 Implementation of SML counter functionality which increment the pendency of
warehouse slot on the basis of product size in RabbitMQ Consumer.
 Code changes in Ship Together Order Items functionality .
 Worked on RabbitMQ consumer.
 Worked on Aerospike as a database,Kafka
 Worked on Datadog to monitor throughput, latency, HTTP Errors of REST API,
AWS,Aerospike,RabbitMQ