Mohd Wasiuddin Junaid

Software Engineer

Bengaluru, Karnataka, India2 yrs 7 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Expert in building scalable payment systems.
Proficient in Java and microservices architecture.
Passionate about fintech innovation and problem-solving.

Stackforce AI infers this person is a Backend Engineer specializing in Fintech solutions with a focus on scalable architectures.

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Skills

Core Skills

MysqlGolangJavaMicroservicesAndroidPythonReact Js

Other Skills

BERTC (Programming Language)C++Cascading Style Sheets (CSS)Computer VisionDLBDNSDockerElasticsearchGCPGSLBGoogle Cloud Platform (GCP)HTMLJAX-RSKotlin

About

As a backend engineer at Rakuten Pay, I am passionate about building scalable, secure payment systems and driving fintech innovation. With deep expertise in Java, Java EE, MySQL, and modern frameworks like Quarkus, I specialize in designing high-performance APIs and backend architectures. My experience includes delivering mission-critical features and collaborating across teams to create seamless payment experiences for millions of users. I thrive on solving complex problems, constantly learning, and leveraging technology to make an impact in the digital payments space. If you’re interested in fintech, backend systems, or innovative payment solutions, let’s connect!

Experience

Rakuten india

3 roles

Software Engineer 1

Mar 2025 – Present · 1 yr · Bengaluru, Karnataka, India

1) Delivery of fallback systems in case of failure in payment to attain 99.9999% availabile systems.
2) Worked on high level components such as Routers for minimising downtime while switching traffic to fallback systems and vice versa.
3) Implemented DDL scripts for MySql.
4) Tech Sack: Golang, GSLB, DLB, DNS, MySql.

GolangGSLBDLBDNSMySqlMySQL

Associate Software Engineer

Aug 2023 – Apr 2025 · 1 yr 8 mos · Bengaluru, Karnataka, India

1) Worked on migration of monolith to microservices to make system highly scalable to fullfill rise of Daily Active Users.
2) Worked on microservice to communicate with external services via Rest and with gRPC with internal services.
3) Implemented observability in distributed backend systems with Feature flag for faster root- cause analysis.
4) Worked on log migration from native cloud to GCP
to implement multi cloud architecture to attain high availability.
Tech Stack: Java, Kotlin, MySql, Microservices, GCP, gRPC, REST

JavaKotlinMySqlMicroservicesGCPgRPC+1

Technical Intern

Jan 2023 – Aug 2023 · 7 mos · Bengaluru, Karnataka, India

1) Did feasibility study on Mini App Engine as part of PoC.
2) Delivered E2E working mini app engine to onboard multiple mini apps with RPay as Super app.
3) Tech Stack: Java, Kotlin, Android, React Native.

JavaKotlinAndroidReact Native

Haix

AI Intern

Mar 2022 – Aug 2022 · 5 mos · London, England, United Kingdom · Remote

1) Delivered Aspect based Sentiment Analysis Model to indentify brand reputation across social media platforms.
2) Developed web crawler for client approved relevant data.
3) Implemented dashboards for relevant metrics to understand the brand sentiments.
Tech Stack: Python, BERT, React JS, Selenium,Multi threading.

PythonBERTReact JSSeleniumMulti threading