Arul Raj Natarajan
Tech Lead
Madurai,TN
Work Preference
Summary
Technical Lead Engineer with 15+ years in enterprise backend development, specializing in Microservices, FastAPI, and GitLab CI/CD. Proven record leading 11-member teams, mentoring engineers, and delivering scalable SaaS platforms with zero-downtime deployments and faster release cycles.
Overview
17
17
years of professional experience
Work History
Technical Lead Engineer
Aparajitha Software Services Pvt. Ltd.
09.2017 - Current
- Team Leadership: Led a 11-member engineering team across Python FastAPI / Django REST microservices (backend) for enterprise SaaS compliance products.
- Led technical design and architecture decisions across software delivery projects.
- Mentored development team membersbers on coding standards, debugging, and best practices.
- Monitored project progress and ensured adherence to SDLC practices.
- Reviewed code submissions to maintain quality, consistency, and maintainability.
- Microservices Design: Architected GRC platform with microservice decomposition — independent services for Payroll, Time & Attendance, Statutory Master, General Master, and Statutory Records.
- FastAPI: Built high-performance FastAPI microservices with async I/O, Pydantic validation, and OpenAPI/Swagger documentation for all internal APIs..
- Established GitLab CI/CD pipelines, Nginx reverse-proxy configs, and containerized deployments for zero-downtime production releases.
- Conducted sprint planning, code reviews, client UAT, and requirement workshops — reduced delivery cycle by 30%.
Senior Programmer Analyst
GenesisCircle
09.2009 - 08.2017
- Developed web and Windows-based projects for various clients using ASP.NET, ASP.NET MVC, C#.NET, and VB.NET MVC.
- Led application development efforts, aligning technical solutions with business requirements.
- Designed and maintained scalable codebases using modern programming standards.
- Reviewed peer code to improve quality, consistency, and maintainability.
- Troubleshot complex software defects and implemented durable fixes.
Education
Master of Computer Applications -
Jaya Arts & Science College
Chennai, Tamilnadu 04.2001 -
Bachelor of Computer Application -
S.Vellaichamy Nadar College
Madurai, Tamilnadu 04.2001 -
HSS -
Sri Lakshmi Higher Sec School
Tiruvallur, Tamilnadu 04.2001 -
SSLC -
KENC Govt Higher Sec School
Manavalanagar, Thiruvallur, Tamilnadu 04.2001 -
Skills
Frontend: HTML5, CSS3, Bootstrap, Infragistics, Telerik
Architecture: Microservices, Micro-Frontend, RESTful API Design, 3-Tier, MVC
DevOps & Deployment: GitLab CI/CD(Jenkins), Nginx, IIS, Docker, SVN
Databases: MySQL, SQL Server, ORM, Stored Procedures, Triggers
Frontend: HTML5, CSS3, Bootstrap, Infragistics, Telerik
IDEs & Tools: VS Code, Visual Studio, PyCharm Postman
API documentation
Reporting: Crystal Reports, RDLC, Excel MIS Statutory Registers, Returns, Abstracts
Timeline
Technical Lead Engineer
Aparajitha Software Services Pvt. Ltd.
09.2017 - Current
Senior Programmer Analyst
GenesisCircle
09.2009 - 08.2017
Master of Computer Applications -
Jaya Arts & Science College
04.2001 -
Bachelor of Computer Application -
S.Vellaichamy Nadar College
04.2001 -
HSS -
Sri Lakshmi Higher Sec School
04.2001 -
SSLC -
KENC Govt Higher Sec School
04.2001 -