Sumanta Kumar Sahoo | Software Engineer Portfolio

About Me

I am a passionate Software Engineer with 5 years of experience specializing in backend development within the Banking and FinTech domains. Skilled in Java and Node.js ecosystems, cloud-native application design, and efficient system architecture. Adept at working with microservices, container orchestration, and cutting-edge technologies to build scalable and secure software solutions.

Skills

Languages / Runtime Env.

Java, JavaScript, Node.js

Databases

MySQL, PostgreSQL, Cassandra, BigQuery, Redis

Servers

Tomcat, WebSphere

Cloud & Messaging

Google Cloud Platform, Kafka, PubSub

Frameworks & Tools

Spring Boot, Maven, Docker, Kubernetes, Jenkins, JUnit, Mockito, Postman

OS & IDE

Windows, Linux, Eclipse, IntelliJ IDEA, DataGrip, STS

Security

Basic Cyber Security, OWASP Top 10

Experience

Cognizant Technology Solutions India Pvt. Ltd.

Software Engineer (Oct 2023 - Present)

Developed and supported cloud native applications in Banking & FinTech.
Led a 5-member offshore team, managing code reviews and task delegation.
Collaborated with DevOps to build automated CI/CD pipelines using GitLab and Docker.

iServeU Technology Pvt. Ltd.

Software Engineer II (Jul 2020 – Sep 2023)

Designed and implemented backend solutions in FinTech environment.
Handled multiple projects, resolved critical bugs, led a 12-member team.
Worked on Jenkins, Redis, OAuth implementations, and mentored interns.

Selected Projects

Digital Signature Module

Implemented secure digital signature feature for banking transactions using Java and cryptography.

User Management System

Developed scalable user management backend with Spring Boot and PostgreSQL.

Wallet Application & UPI Module

Built and maintained wallet and UPI payment modules supporting millions of transactions.

Feature Management (Node.js)

Created dynamic feature toggle system to manage releases without downtime.

Wallet Payout System (Node.js)

Engineered payout processing backend integrating with multiple payment providers.

Contact Me

Feel free to reach out for project collaborations, consultations, or just to say hi!

Email: sumant7654@gmail.com

Phone: +91 9900130375

LinkedIn: linkedin.com/in/sumantakumar
GitHub: github.com