Rajnish

• 8.5 years of experience in Software Product Development.
• Currently working with Global payment |TSYS as Lead Software Engineer on Java/Python/Microservices/Cloud/AWS/BigData.
• Good exposure to front-end and back-end technology.
• Good exposure in ci/cd Jenkins pipeline and DevOps.
• Expertise in Real-time and Batch systems modernization.
• Expertise in implementing OOP, Algorithms, Design Patterns.
• Worked on various frameworks during the Products Development.
• Good exposure to working with global/multi-site teams.
• Domain expertise in Banking, Payment Ecosystem, Healthcare, Billing, Insurance, Disbursement, Content Publishing.
• Expertise in Software Product Development and Product Integration.

Project Work

Project1# Company- GlobalPayments | TSYS  

 Globalpayments inc | TSYS, a Payment company that provides a wide range of Payment Products and Card-Issuing payment services, Merchant Payment services, Acquiring payment services, Prepaid cards, and Payment gateway solutions.

Product name

DataFabric Platform                  

Client name

Card issuer Banks and Financial institutions, Marchant

Domain 

PAYMENT 

Description 

DataFabric is the Core Data Platform of the TSYS credit and debit card payment ecosystem. TSYS credit and debit card data are stored in the mainframe(IMS DB, VSAM, DB2), and Cloud distributed systems( Redis, Oracle, File systems, MongoDB, AWS dynamodb).

 Data Fabric is a distributed data environment that connects all data together so that it can be seamlessly accessed by the TSYS Payment Platform and Services.

 DataFabric is providing data inquiry and data maintenance operations for TSYS Payment Platforms and services like Card Authorization, Tokenization, Transaction, Accounting, Customer services Platform, Collection Platform, Fraud & Risk Management Platform, Loyalty & Rewards Platform, Data Lake, Card Management, Card Portfolio Management, Card self-services, Card Digital Engagement Platform, TSYS API Billing system, Data Replication, Data Scription Platform, Batch and settlement Platform, QuickRemit Platform (Card bill Payment service)

Environment

Java, Spring, Spring boot, Spring Cloud, Spring Oauth2, Docker, Kubernetes, Microservices, Apache Spark, Mainframe- IMS DB, DB2, VSAM, Redis, Oracle, Apache Kafka, Splunk, Dynatrace, IBM MQ, SQData CDC, AWS Cloud Services

Duration

May-2020 to TILL

Role

Developer and Lead

Responsibilities

Analyses functional and technical design documents.

Migrate and modernize mainframe systems.

Migrate and transform mainframe(CICS and COBOL) applications to cloud-native products and microservices Architecture.

Developing Junit testing using Junit test frameworks.

Reviewing the work and mentor team members.

Collaborate with Product Manager/Owner/Business analyst /Architect/SRE to implement end-to-end solutions.