Ajay Maharjan

Software Engineer

Software engineer specializing in backend architecture, systems automation, and data processing. Designs scalable APIs, integrates search infrastructure, and builds automation pipelines that improve reliability and throughput.

MY FOCUS

Thoughtful engineering

rooted in research,

strategy, &

intelligent automation.

I design and build performant software systems with a focus on secure APIs, data processing, and maintainable architecture. My experience spans Java backend development, automation, and analytics-oriented workflows.

Explore About

What I
help with

Backend Architecture & Engineering

Java, Spring Boot, Spring, Struts, Hibernate

Security & Centralized Authentication

Spring Security, OAuth 2.0 Identity Management

Data Engineering & Analytics Storage

Jackson Parsing, Columnar Parquet File Processing

Advanced Search & Retrieval Optimization

Elasticsearch Integration & Data Analysis

Cloud & Automation Infrastructure

AWS S3, Docker, Automation System Deployments

System Integrity & Robust Testing

Strict Test Coverage via JUnit Execution

Professional

Production
Experience

Hospital MRF Parser

Parsed US hospital data into structured charge formats and added JUnit coverage for reliability.

JavaJacksonParquet

PRIZM

Improved search and comparison for healthcare contract rates with efficient Elasticsearch integration.

JavaElasticsearchAnalytics

User Management

Built authentication, user preferences, query handling, and default settings across company products.

Spring SecurityAuthDefaults

JFE

Maintained and enhanced a legacy employee portal — fixed bugs, implemented feature improvements, supported spare-parts management workflows, and performed database troubleshooting and optimization.

Apache StrutsPostgreSQLJavaScriptHTML/CSS

Personal

Side
Experiments

GAN

Built a Generative Adversarial Network for synthetic image generation, exploring latent space interpolation and adversarial training techniques.

PythonTensorFlowPyTorch

OAuth 2.0

Implemented OAuth 2.0 authorization framework with Spring Security, supporting multiple grant types and token-based authentication.

Spring SecurityOAuth 2.0JWT
2026
2023
2022
2018

Contact

Let’s work together

Available for backend, full-stack, and product engineering opportunities.