Sitansu Mandal
Senior Developer | Python, PySpark Specialist
Professional Summary
Senior Developer at Tecnotree Corporation with extensive experience in Python, PySpark, FastAPI, and DevOps technologies. Proven track record of enhancing data accuracy by 40%, reducing deployment time by 50%, and maintaining 99% defect resolution rate.
Specialized in building scalable microservices, implementing CI/CD pipelines, and creating real-time analytics platforms. Passionate about solving complex problems with cutting-edge technologies while mentoring junior developers.
Contact Information
Beliatore, Bankura
8016006068
[email protected]
LinkedIn Profile
GitHub Portfolio
Core Technical Skills
Backend Development
Python, FastAPI, microservices architecture, API Gateway design
Data Engineering
PySpark, Apache Kafka, real-time analytics, batch processing systems
DevOps & Cloud
Docker, Kubernetes, Rancher, Jenkins, Terraform, CI/CD automation
Quality Assurance
Pytest automation frameworks, WebdriverIO, comprehensive test case design
Key Achievements
40%
Data Accuracy
Enhanced data processing speed and accuracy using PySpark pipelines
50%
Deployment Speed
Reduced deployment time through Jenkins CI/CD automation
99%
Defect Resolution
Maintained superior product quality with exceptional resolution rate
30%
Performance Boost
Optimized Python application execution times through code refinement
Professional Experience
1
Senior Developer
Tecnotree Corporation | July 2024 - Present
Leading end-to-end workflow creation with pytest automation, designing scalable microservice architecture, and managing client interactions. Secured code quality through vulnerability assessments and comprehensive code reviews.
2
Developer
Tecnotree Corporation | October 2023 - June 2024
Built scalable data pipelines, developed microservices with FastAPI, implemented containerization with Docker, and created real-time analytics platforms using PySpark and Kafka.
3
Graduate Engineer Trainee
Tecnotree Corporation | July 2023 - September 2023
Foundation training in enterprise software development, DevOps practices, and agile methodologies.
Major Projects & Implementations
1
Customer Data Platform
Implemented scalable data pipeline with PySpark, improving data accuracy and processing speed by 40%
2
Microservices Architecture
Built modular microservices using FastAPI, enhancing system performance and maintainability
3
CI/CD Automation
Implemented Jenkins pipelines reducing deployment time by 50% with automated testing
4
Real-time Analytics Platform
Created platform with PySpark and Kafka for instant insights and data-driven decisions
5
API Gateway Creation
Established FastAPI Gateway standardizing and securing all backend access points
6
System Monitoring
Integrated ELK Stack enhancing system reliability and rapid issue resolution
Technical Expertise Deep Dive
Development & Engineering
  • Python application development and optimization
  • FastAPI microservices architecture
  • PySpark data pipeline implementation
  • Apache Kafka real-time streaming
  • Batch processing system design
DevOps & Infrastructure
  • Docker containerization strategies
  • Kubernetes cluster management with Rancher
  • Jenkins CI/CD pipeline automation
  • Terraform infrastructure as code
  • ELK Stack monitoring and logging
Education & Certifications
B.Tech Computer Science
Government College of Engineering and Leather Technology
2018 - 2022
Full Stack Web Development
Masai
August 2022 - May 2023
Professional Certifications
Overview of Digital Online Charging System
WebdriverIO Certification Course with JavaScript & Node.js
Internet of Things
The Complete ReactJs Course - Basics to Advanced
Leadership & Collaboration
Team Leadership
Mentored junior developers, conducted code reviews, and championed excellence in project execution
Client Management
Translated customer needs into effective technical solutions with strong communication skills
Agile Practices
Active participation in Agile ceremonies, sprint planning, and continuous improvement initiatives
"Continuous learning and growth, solving complex problems with cutting-edge technologies while fostering team excellence."
Let's Connect
I'm eager to apply my expertise in Python, PySpark, FastAPI, and DevOps to future challenges in the tech landscape. Open to exploring potential collaborations, innovative projects, and opportunities to create impactful solutions.
Phone
8016006068
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