Bittu Kumar

Software Engineer

Nawada, Bihar, India3 yrs 10 mos experience

AI EnabledAI ML Practitioner

Key Highlights

Expert in backend development and distributed systems.
Built scalable fraud detection platforms at Visa.
Two-time ICPC Regionalist and Top 1% LeetCode Guardian.

Stackforce AI infers this person is a Backend-focused Software Engineer with expertise in SaaS and Cloud Computing.

Contact

Skills

Core Skills

Backend DevelopmentDistributed SystemsCloud ComputingArtificial Intelligence (ai)Software Quality AssuranceFull-stack Development

Other Skills

AI-driven engineering toolsAWSAWS LambdaAgentic AIBack-End Web DevelopmentBootstrap (Framework)CC++Cascading Style Sheets (CSS)Chegg Online Tutor (Advanced Mathematics)Competitive ProgrammingData Structures and AlgorithmsDockerEnglishExpress.js

About

I’m a Software Engineer specializing in backend development, distributed systems, and applied Generative AI. I work at Visa building scalable fraud detection platforms using Java, Spring Boot, Kafka, Docker, and AWS. Previously at Kickdrum, I built AI-driven engineering tools, automated cloud workflows, developed serverless architectures, and integrated LLM-based systems using LangChain, OpenAI, and Agent AI frameworks to extract insights and automate complex tasks. I’m a 2-time ICPC Regionalist, Expert on Codeforces, and Top 1% LeetCode Guardian, passionate about clean engineering, problem-solving, and creating reliable, intelligent systems at scale. Reach out to me via bittukumar1181@gmail.com

Experience

3 yrs 10 mos

Total Experience

1 yr

Average Tenure

8 mos

Current Experience

Visa

SDE

Oct 2025 – Present · 8 mos · Bengaluru, Karnataka, India · Hybrid

JavaSpring BootKafkaDockerAWSBackend Development+1

Kickdrum

2 roles

Software Engineer

Jul 2024 – Sep 2025 · 1 yr 2 mos · Bengaluru, Karnataka, India

Designed and implemented a secure, role-based Command Line Interface (CLI) for application interaction, automating backend workflows and AWS infrastructure provisioning, and reducing setup time by 85%.
Developed APIs for OpenAI and SonarQube integrations to generate actionable insights from raw data and automate code quality analysis and reporting.
Designed and implemented high-availability, scalable PostgreSQL databases on AWS RDS (Multi-AZ), using SQLAlchemy, to ensure optimal performance for application workflows.
Authored high-level architecture designs (infrastructure, data flow, service integration, security) and
comprehensive documentation, facilitating onboarding and enhancing maintainability.
Implemented serverless AWS Lambda functions to handle event-driven processes and integrated them with AWS Step Functions to orchestrate reliable, scalable, and maintainable multi-step workflows.
Containerized application components using Docker and streamlined development workflows with shell scripts.
Developed prompt-driven workflows leveraging OpenAI’s GPT models to seamlessly integrate with internal tools, enabling real-time analysis and extraction of actionable insights from raw data.
Developed a custom code analysis tool using SonarQube, GitLeaks, TruffleHog, Git-Extras and other utilities to detect security issues, CVEs, key person risk, outdated/insecure dependencies and coding best practices.
Automated AWS resource provisioning using Terraform, eliminating manual setup, accelerating deployments, and minimizing human error.

AI-driven engineering toolsAWS LambdaTerraformPostgreSQLOpenAISonarQube+3

SDE Intern

Jan 2024 – Jun 2024 · 5 mos · Bengaluru, Karnataka, India

Gained full-stack development expertise in Java, Spring Boot, JDBC, JPA, React.js, Redux, and TypeScript, complemented by practical AWS cloud services training.
Developed and deployed a scalable, full-stack hotel booking application on AWS, using Java, Spring Boot (JDBC) for the backend and React.js, Redux, TypeScript for the frontend. Demo: Project Demo Link: https://drive.google.com/file/d/1UXx4Qx1sT5UXyUZU0NwcQRwAelo3xV6x/view
Designed high-level architectural designs, database schema, implemented concurrency handling and
integrated AWS cloud services for scalable and reliable deployment.

JavaSpring BootReact.jsAWSFull-Stack DevelopmentCloud Computing