Software Engineer - India

Bhaskar Jha

building scalable distributed systems

About

I design scalable APIs, solve complex engineering problems, and build reliable distributed systems and intuitive user experiences.

Tech I work with

TypescriptNode.jsNestJSExpress.jsNext.jsAngularReactPostgresMongoDBRabbitMQRedisDockerAWSPythonGolangHyperledger Fabric

Experience

Vara Infrovate

Graduate Engineer Trainee - Blockchain

Jan 2026 - Present

Kolkata, West Bengal, IN

  1. Graduate Engineer Trainee - Blockchain

    Sep 2026 - Present

    • Modernized the multi-tenant, multi-chain enterprise wallet platform by migrating from Yarn 1 to Yarn 3 and replacing the Verdaccio based NPM proxy with Yarn Workspaces, reducing build time by ~58% and Docker image size by ~35%
    • Strengthened platform security by remediating Dependabot vulnerabilities, reducing high-severity issues by ~26% and medium-severity issues by ~53%

  2. Software Engineering Intern

    Jan 2026 - Aug 2026

    • Built a proof of concept (PoC) for a blockchain-enabled (Hyperledger Fabric 2.5) supply chain management system, providing end-to-end traceability, accountability, transparency, and data integrity across multiple stakeholders.
    • Contributed to the migration of a blockchain-based certificate verification platform from a monolithic architecture to microservices, implementing CQRS and event-driven communication patterns.
    • Engineered asynchronous, fault-tolerant transactional email notification pipelines using BullMQ and SMTP infrastructure, with retry strategies, dead-letter queuing, and backoff policies to ensure reliable delivery of business-critical email.
    • Designed and implemented a Server-Sent Events (SSE) based in-app notification system, enabling low-latency, real-time updates with efficient connection management.

Capsitech

Software Engineering Intern

July 2025 - Dec 2025

Jodhpur, Rajasthan, IN

  • Implemented robust client-side form validation using Formik and Yup, ensuring data integrity, reducing user input errors, and improving form completion rates and overall user experience.
  • Leveraged Ant Design theming, design tokens, and component customization to build scalable, pixel-perfect, and accessible user interfaces while maintaining design consistency across the application.
  • Implemented centralized authorization hooks and reusable access control components alongside secure file template management, viewing, and download functionality, reducing code duplication and improving document accessibility and maintainability.

Education

Haldia Institute of Technology

Bachelor of Technology in Information Technology

2022 - 2026

Projects

cms

Course management backend for academic workflows, built with CQRS, RabbitMQ events, PostgreSQL, and Dockerized services.

NestJSPostgreSQLRabbitMQDocker
DetailsGithub

ai-pr-review

AI-assisted pull request reviewer that combines GitHub diffs, static signals, and LLM reasoning into structured review feedback.

Next.jsNestJSPostgreSQLLLMsGitHub API
DetailsGithub

Activity

GitHub contributions

@bhaskarjhainfrovate

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bhaskarjhainfrovate GitHub contribution heatmap

Writings

Step by Step Guide to Create AWS High Scalability Infrastructure.

A practical infrastructure walkthrough for scaling services on AWS with production-minded building blocks.

AWS

What is Generative AI and How Transformers Make it Possible

A beginner-friendly breakdown of generative AI, transformer architecture, and why attention changed modern AI.

Gen AI

Call by Value and Call by Reference: A Contrast Between C and Java

A language-level comparison that clears up how values, references, and memory behavior differ in C and Java.

Java & C

Mastering Go: Top 5 Resources You Need to Know

A curated starting point for learning Go through strong references, docs, and practical developer resources.

Go

want to work together?

email me, or hit me up on linkedin.

email melinkedin