Senior Software Engineer

Narendiran
Chandarasekar

Python Backend Developer

Experienced Python Developer with 7+ years of expertise in building scalable backend applications, REST APIs and real-time systems using FastAPI, Flask, Django and PostgreSQL.

PythonFastAPIDjangoFlaskPostgreSQL MySQLAWSDockerRFIDUHFMQTT
Get In Touch → Download Resume ↓
7+Years Experience
10+Projects Delivered
BackendSpecialization
ScalableReal-time Systems
Narendiran Chandarasekar professional portrait
01 — About

Backend engineering with a focus on reliability.

01

Experienced in backend application development, REST API design, relational databases, automated testing, production issue resolution, UAT, business logic and enterprise application delivery. The resume also highlights work with RFID, MQTT and UHF-based real-time tracking solutions.

02 — Skills

Technical toolkit

02

Backend

Python, FastAPI, Flask, Django, REST APIs

Databases

PostgreSQL, MySQL, SQL, database architecture and optimization

Testing

pytest, automated test cases, UAT, validation and reconciliation

Cloud & DevOps

AWS, Docker, Git, development and deployment workflows

Data

NumPy, Pandas, Advanced Excel, business data analysis

Other

HTML, CSS, JavaScript, PyCharm, Visual Studio, JIRA

03 — Experience

Professional experience

03

Python Developer

Nissi Software Systems
Jul 2018 — Present
  • Developed and maintained backend applications using Python, Flask, Django and FastAPI.
  • Designed and implemented RESTful APIs using Flask and Django REST Framework.
  • Worked extensively with MySQL and PostgreSQL databases and created optimized SQL queries.
  • Built automated test cases using pytest and followed coding standards and code-review practices.
  • Investigated, debugged and resolved production issues within defined timelines.
  • Performed Month End Closing (MMEC) validations and reconciliations to ensure data accuracy.
  • Defined development guidelines, business logic and Azure object requirements.
  • Led User Acceptance Testing (UAT) for new features and system enhancements.
  • Analyzed Business Data Layer (BDL) objects and provided technical insights for improvement.
04 — Projects

Selected backend projects

04
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Backend Developer

NTAG424 DNA

Multi-tenant backend architecture and scalable database solution.

PythonFastAPIPostgreSQL
  • Developed multi-tenant backend architecture.
  • Designed secure tenant-isolation strategies.
  • Implemented scalable database architecture and APIs for multiple tenant environments.
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Backend Lead

Zeal Attendance

Employee attendance backend solution with database and Java integration.

PythonFastAPIPostgreSQLAWS
  • Led backend development activities.
  • Designed PostgreSQL database schema.
  • Integrated backend services with Java applications and supported AWS deployment.
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Backend Developer

JastTap

Backend services supporting event management workflows.

PythonFastAPIPostgreSQL
  • Supported planning, scheduling and event workflows.
  • Implemented business-operation validation processes.
  • Assisted in performance optimization and month-end reconciliation.
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Backend Developer

Bazza

Real-time travel bag and human tracking backend.

PythonFastAPIPostgreSQLTracking
  • Developed backend services for travel bag tracking.
  • Implemented real-time location tracking features.
  • Integrated tracking data with backend systems and delivered monitoring capabilities.
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Backend Developer

Welcome Client

UHF reader and MQTT communication for real-time object identification.

UHFRFIDMQTT
  • Developed communication between UHF readers and an MQTT broker.
  • Implemented RFID tag identification workflows and real-time message processing.
  • Supported long-distance object tracking and device integration.
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Backend Developer

Employee Tracking

RFID-enabled employee and asset tracking solution.

RFIDUHFMQTTReal-time
  • Built RFID-based employee tracking functionality.
  • Connected RFID readers with MQTT infrastructure.
  • Developed real-time monitoring and supported asset/personnel tracking.
05 — Highlights

Key achievements

05

Backend Delivery

Successfully delivered multiple Python backend projects using FastAPI, Flask and Django.

Enterprise QA

Led User Acceptance Testing activities for enterprise applications.

Database Architecture

Designed scalable PostgreSQL database solutions for production systems.

Real-time Systems

Developed secure multi-tenant backend architecture and RFID, MQTT and UHF-based real-time tracking solutions.

06 — Education

Education

06

Diploma in Electrical and Electronics Engineering (EEE)

Hayagriva Polytechnic College · 2016

SSLC

Aravindar Higher Secondary School · 2013

07 — Contact

Let's build something reliable.

07

Narendiran Chandarasekar

Senior Software Engineer · Python Backend Developer

Email MeGitHub ↗
LocationBengaluru, India
Emailnarendren0320@gmail.com
Phone+91 90878 89015
GitHubgithub.com/narensai03