Sajan Kumar

Sajan Kumar Email and Phone Number

Sr Software Engineer @ Experian
costa mesa, california, united states
Sajan Kumar's Location
Bhagalpur, Bihar, India, India
About Sajan Kumar

.- Experienced in data manipulation and analysis using Pandas, Matplotlib, PySpark, Numpy, Polars, PySpark.- Proficient in managing various databases including MySQL, PostgreSQL, MongoDB, Redis, SqlServer, OracleDb, Big Data, and Amazon Redshift- Skilled in using Jupyter Notebook, Spyder, Pycharm, Anaconda, and Conda for development and data exploration.- Hands-on experience with Extract, Transform, and Load (ETL) processes, including data pipeline development and scheduling with Apache Airflow.- Familiar with AWS Cloud services such as migration, AWS Glue for ETL jobs, andAmazon Redshift for data warehousing.Developed efficient web services and RESTful APIs using FastAPI Framework, focusing on performance optimization for high-throughput applications.- Utilized Django and Django REST Framework to build robust and scalable web applications with clean architecture and API endpoints.- Designed and implemented microservices architecture for modularity, scalability, and maintainability of distributed systems.- Implemented cron job scheduling for automated tasks such as data processing, report generation, and system maintenance.- Integrated and managed loyalty APIs for major e-commerce platforms like Yatra, Goibibo, Redbus, EaseMyTrip, IRCTC, PayZapp, Cleartrip, and BookMyShow.- Demonstrated strong knowledge of FastAPI for request/response handling, authentication using JWT, logging, Middleware configuration, and robust exception handling.- Proficient in version control systems (Git, Bitbucket, Github, GitLab) for collaborative development and code reviews.- Leveraged Python's OOP concepts with frameworks like Django, FastAPI, Django ORM, and SQLAlchemy for backend development and database interactions.- Integrated CRM systems like Salesforce and ERP software such as MYOB API Integration for seamless data synchronization and process automation.- Familiar with message brokers (RabbitMQ), containerization (Docker, Kubernetes), search engines (Elasticsearch, RediSearch), and cloud-based services (AWS EC2, S3, CloudFront) for building scalable applications.- Integrated SMS providers like MSG91 and Twilio for incorporating communication features (SMS notifications, alerts) into applications

Sajan Kumar's Current Company Details
Experian

Experian

View
Sr Software Engineer
costa mesa, california, united states
Website:
experian.com
Employees:
14451
Sajan Kumar Work Experience Details
  • Experian
    Senior Software Engineer
    Experian Jun 2024 - Present
    Hyderabad, Telangana, India
    Sr Pyspark, Python and AWS developer
  • R360 Group
    Software Engineer Ii
    R360 Group Dec 2022 - Apr 2024
    Bengaluru, Karnataka, India
    Worked extensively with Python and its related technologies including OOPs concepts, Django REST API, FastAPI, Docker, Celery, Jinja Template, and various databases such as MySQL, PostgreSQL, MongoDB, SQL Server, Oracle database and Redis. Proficient in utilizing Python libraries such as TensorFlow, NumPy, SciPy, Pandas, Matplotlib, Keras, SciKit-Learn, PyTorch, Scrapy, BeautifulSoup, LightGBM, ELI5, Theano, NuPIC, Ramp, Pipenv, Bob, PyBrain, Caffe2, Chainer, and symple_salesforce, among others. Experienced with Python IDEs like Jupyter Notebook, Spyder, PyCharm, Anaconda, and Conda as a package manager. Hands-on experience in Extract, Transform, and Load (ETL) processes. Skilled in Salesforce CRM, including event subscription, Python simple_salesforce package utilization for data automation, and data extraction from Salesforce using Python. Additionally, proficient in Cloud ERP MYOB, focusing on accounting and bookkeeping automation, mapping with databases, and integration with Salesforce CRM using Python, RabbitMQ, and cronjobs.
  • Horsetech Analytics
    Python Developer
    Horsetech Analytics Apr 2022 - Oct 2022
    Ahmedabad, Gujarat, India
    python Django Rest-Api developer
  • Coalesce Tech Solutions Pvt Ltd
    Python Developer
    Coalesce Tech Solutions Pvt Ltd Jan 2022 - Oct 2022
    Ahmedabad, Gujarat, India
    Python Django rest-api developer
  • Cyberbest Technology, Inc.
    Software Engineer
    Cyberbest Technology, Inc. Apr 2019 - Dec 2021
    Hyderabad, Telangana, India
    python, django backend developer
  • Durga Software Solutions
    Certified Python Django Full Stack Developer
    Durga Software Solutions Jan 2019 - Mar 2019
    Hyderabad, Telangana, India
    Comprehensive Python Django Full Stack Training, Certified
  • Naresh I Technologies
    Certified Python Developer With Basic To Advanced Level
    Naresh I Technologies Oct 2018 - Dec 2018
    Hyderabad, Telangana, India
    Comprehensive Python Training: Certified From Basics to Advanced Level
  • Danish Private Limited
    High Voltage Transformer Testing Designing And Commissioning Engineer
    Danish Private Limited Jun 2018 - Dec 2018
    Jaipur, Rajasthan, India
    High voltage transformer testing designing and commissioning engineer
  • Ntpc Limited
    Supertherm Genx Internship
    Ntpc Limited Jun 2017 - Aug 2017
    Kahalgaon, Bihar, India
    For an internship focused on high-volume super thermal power plant generation, it's crucial to gain hands-on experience in operating and maintaining equipment, understanding safety protocols, and learning about environmental regulations. Additionally, familiarity with energy efficiency measures and exploration of new technologies can significantly enrich our internship. Understanding MATLAB and SCADA automation is essential for optimizing processes and ensuring efficient operation in super thermal power plants. These skills enable to analyze data, implement automation algorithms, and enhance overall plant performance, making them valuable additions to our internship training in modern control systems used in the industry.

Frequently Asked Questions about Sajan Kumar

What company does Sajan Kumar work for?

Sajan Kumar works for Experian

What is Sajan Kumar's role at the current company?

Sajan Kumar's current role is Sr Software Engineer.

What schools did Sajan Kumar attend?

Sajan Kumar attended National Institute Of Technology , Patna, Computer Science & Engineering Department Dcrust Murthal, Govt. Polytechnic College, Bihar School Examination Board (Bseb), Bihar School Examination Board (Bseb).

Who are Sajan Kumar's colleagues?

Sajan Kumar's colleagues are Axcel Chavarría Vargas, Anna Schofield Cbci, Richard Solomon, Madhuri Pokala, Rob Haslingden, Piotr Karelski, Teodora Manolova.

Not the Sajan Kumar you were looking for?

  • Sajan Kumar

    Chief Financial Officer @ Indovision Services Pvt. Ltd.
    Gurugram
  • Sajan Kumar

    Senior Relationship Manager Dcb Bank || Deputy Manager Ii- Wealth & Trade @ Icici Bank || Former Financial Market Trainee @ Fintech Education || Brand Representative @ Kim, Harihar || Stock Market
    Hazaribagh

Free Chrome Extension

Find emails, phones & company data instantly

Find verified emails from LinkedIn profiles
Get direct phone numbers & mobile contacts
Access company data & employee information
Works directly on LinkedIn - no copy/paste needed
Get Chrome Extension - Free

Aero Online

Your AI prospecting assistant

Download 750 million emails and 100 million phone numbers

Access emails and phone numbers of over 750 million business users. Instantly download verified profiles using 20+ filters, including location, job title, company, function, and industry.