May 2017 - Dec 2018
Bookkeeper
PASA, Taudaha, Lalitpur
Handled transactions, accounting records, and bank reconciliations.
AccountingExcelReconciliation
About
I design and build
performant software
with precision and purpose.
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.
š Hi!!
Hi, Iām Ajay Maharjan, a Software Engineer from Lalitpur, Nepal.
I specialize in backend engineering, software architecture, and AI-driven systems. My work combines research, analytical thinking, and practical engineering to build scalable, secure, and maintainable software that solves real-world problems.
My journey so far
From bookkeeping
to software engineering
Feb 2022 - May 2023
Freelance Java Backend Developer
Self-employed, Kumaripati, Lalitpur
Contributed to an accounting system with security, purchase, and billing modules.
JavaSpring BootREST APIsSQL
Aug 2023 - Dec 2024
Associate Software Engineer
Deerhold, Sifal, Kathmandu
Built backend solutions, automation systems, and Spring Security user management.
Spring BootSpring SecurityAutomationBackend
Jan 2025 - Feb 2026
Software Engineer
Deerhold, Sifal, Kathmandu
Optimized architecture for maintainability, performance, and scalability.
ArchitecturePerformanceScalabilitySystem DesignAI Agent
Skills & expertise
Tools and technologies
I work with daily
JavaSpringSpring SecurityStrutsDockerAWS S3JUnitElasticsearchApache SparkLangChainPythonFlaskFastAPI
Philosophy
How I approach
my work
I start every project by understanding the domain ā not just the requirements. I believe that clarity in problem definition leads to cleaner, more durable solutions. I favor simplicity over complexity, readability over cleverness, and thorough testing over last-minute debugging.
Security is not an afterthought in my work; it is woven into the architecture from day one. I design systems that are transparent, auditable, and resilient ā because the best software is the kind you can trust without thinking about it.
Selected highlights
Achievements &
impact
- Delivered production-ready backend systems serving healthcare data pipelines.
- Implemented OAuth 2.0 identity management across multiple products.
- Optimized Elasticsearch search performance for large-scale contract data.
- Built automation infrastructure reducing manual deployment overhead.
- Maintained strict test coverage standards with comprehensive JUnit suites.