Hi, my name is
Keshari Nandan
Principal Software Engineer
Python | Java | Django | FastApi | SpringBoot | AWS | Docker | 10+ yrs
I'm Keshari Nandan, a passionate self-taught Software Engineer from India. I'm a problem solver & an enthusiastic engineer, and I love working on ideas, architecting the application and infrastructure to make life simpler. I take great care of architecture, and code quality of the things I build.
About Me
I'm Keshari Nandan, a passionate self-taught Software Engineer from India. I'm a problem solver & an enthusiastic engineer, and I love working on ideas, architecting the application and infrastructure to make life simpler. I take great care of architecture, and code quality of the things I build.
With over 10+ years of experience in software engineering, I specialize in building scalable applications and architecting robust infrastructure solutions. My expertise spans across backend development, cloud technologies, and system design.
I believe in writing clean, maintainable code and follow best practices in software development. I'm passionate about learning new technologies and sharing knowledge with the community through my YouTube channel and mentoring.
Currently working remotely and open to exciting opportunities in remote, hybrid, or in-office settings. Flexible and adaptable to contribute to impactful projects in any work environment.
Work Mode
Remote, Hybrid, or In-Office
Experience
10+ Years
Education
B. Tech.
Noida Institute of Engineering & Technology
Greater Noida, India • 08/2011 - 05/2015
Career Highlights
- ▹Multiple times Shining Star Winner at Digitalzone
- ▹Recognized as Rising Star at InMobi
- ▹Best Mentor & Employee of the Year at Taxback International
- ▹Recognized as Rockstar at Expedien
- ▹Improved dashboard performance by 30-40%
Skills & Technologies
Here are the technologies and tools I work with to bring ideas to life
Languages & Frameworks
Data & Messaging
DevOps & Cloud
Architecture & Design
Always learning and exploring new technologies to solve complex problems efficiently
Work Experience
A journey through my professional career spanning over 10 years
Principal Software Engineer
- ▹Led the architecture and design of core application infrastructure using FastAPI and Spring Boot, handling 50K+ daily API requests across distributed microservices
- ▹Mentored a team of 5 engineers, conducting code reviews and pair programming sessions that improved code quality and reduced production issues significantly
- ▹Built scalable ETL pipelines using Apache Airflow and Celery, processing 500K+ records daily with 99.9% reliability and real-time data sync across multiple data sources
- ▹Orchestrated Kubernetes deployments managing 25+ containers, reducing infrastructure costs by 20% through optimized resource allocation and auto-scaling policies
- ▹Earned multiple 'Shining Star' awards for consistently delivering high-impact features ahead of schedule and driving technical excellence across the team
SDE - III
- ▹Collaborated with product and business teams to define technical requirements for a high-traffic analytics platform at company scale
- ▹Led the CDR Integration and Interlock project as Project Lead, successfully launching a real-time data processing system that reduced latency significantly
- ▹Boosted dashboard performance by 30-40% through query optimization and caching strategies, improving page load times from 8s to 4.5s
- ▹Resolved critical production issues maintaining high uptime, implementing monitoring and alerting systems that reduced incident response time substantially
- ▹Recognized as 'Rising Star' for exceptional technical contributions and leadership in driving cross-team initiatives
Senior Software Engineer - Lead
- ▹Architected and built scalable microservices handling millions of transactions annually, designing API contracts and database schemas that reduced technical debt
- ▹Mentored 4 junior engineers through weekly 1-on-1s and hands-on training sessions, with 3 receiving promotions during my tenure - recognized as 'Best Mentor'
- ▹Optimized CI/CD pipeline with Docker, reducing build times from 45 minutes to 12 minutes and enabling 3x faster deployments with zero-downtime releases
- ▹Redesigned AWS infrastructure using Docker and Kubernetes, cutting cloud costs by 30% while improving system reliability and performance
- ▹Awarded 'Employee of the Year' in Engineering for technical leadership, cost optimization, and building a high-performing engineering culture
Senior Technology Associate - L1
- ▹Maintained and enhanced a Django-based platform serving thousands of users, implementing new features that increased user engagement by 20%
- ▹Integrated 8+ third-party APIs (payment gateways, SMS, email services) with robust error handling, achieving high reliability and success rates
- ▹Collaborated with cross-functional teams using Agile methodology to deliver 15+ product features on time and within scope
- ▹Analyzed and optimized application performance, reducing database query time by 35% through indexing and query refactoring
- ▹Recognized as 'Rockstar' performer for delivering high-quality code and consistently exceeding sprint goals
Backend Developer
- ▹Developed 12+ RESTful APIs using Django framework for a restaurant booking platform serving 30K+ monthly bookings
- ▹Built and maintained PostgreSQL databases with complex schemas, optimizing queries that handled high transaction volumes with sub-second response times
- ▹Collaborated with frontend team to integrate 20+ UI components, implementing WebSocket connections for real-time table availability updates
- ▹Implemented automated testing with 75% code coverage, reducing production bugs significantly and improving deployment confidence
Junior Developer
- ▹Onboarded quickly to SAP ecosystem, learning ABAP and SAP modules within the first 3 months to contribute effectively to the team
- ▹Deployed and monitored 12+ EC2 instances on AWS for SAP workloads, ensuring high uptime through proactive monitoring and incident management
- ▹Provided L1/L2 technical support for StratWare analytics tool, resolving 100+ support tickets with high customer satisfaction ratings
- ▹Successfully migrated data for 6 clients to SAP platform, handling 200K+ records with zero data loss and completing migrations ahead of schedule
Featured Projects
Some of the notable projects I've worked on
Job Server
Digitalzone Job Server is an independent service that is designed to run any type of independent job. It follow the principal of "bring your own image", meaning you can run any type of docker image using the job server and it will provide you real time update of your job.
Technologies Used
Lead Validation Engine
In Digitalzone we deliver leads to the Marketer and to ensure our lead has highest quality standards we have implemented the Lead Validation Engine that validates the leads based on the various factors such as Data Integrity, Targeting Criteria Validation etc.
Technologies Used
Want to see more?
Check out my GitHub for more projects and open-source contributions
View GitHub ProfileGet In Touch
Have a question or want to work together? Feel free to reach out!
Let's Connect
I'm always interested in hearing about new opportunities, collaborations, or just having a chat about technology. Fill out the form and I'll get back to you as soon as possible.
Work Mode
Currently Remote
Based in Lucknow, India
Open to Remote • Hybrid • In-Office