Bala Paranj
Cumming,GA
Summary
An innovative and seasoned engineer, capable of building innovative products that consistently outpace market competition by applying innovation, advanced technical acumen and problem-solving prowess. Seeking a challenging role to drive technological advancement.
Overview
28
28
years of professional experience
6
6
years of post-secondary education
Work History
Software Engineer
Zepho Inc
06.2023 - Current
- Developed server provisioning product using AWS EC2, Secrets Manager, Packer, Terraform, Ansible and boto3 Python SDK.
Software Engineer
Zepho Inc. (Client: Airbnb)
10.2021 - 06.2023
- Developed employee account provisioning APIs using Rails 6.
- Leveraged Ruby, Rails, RSpec, Redis and Sidekiq in development and maintenance of API.
Backend Ruby on Rails Developer
(Client: HP)
06.2021 - 10.2021
- Maintained and enhanced the backend of https://instantink.hpconnected.com, a high-traffic site with over 10 million subscribers, generating over $350 million in annual revenue.
- Utilized a tech stack consisting of Rails 6.1, Mariadb 10.6, Ruby 2.6, RSpec, DynamoDB and Docker to ensure optimal site performance and reliability.
- Handled extensive database operations and API integrations while ensuring the site's seamless functionality and user experience.
- Troubleshot and resolved complex technical issues, ensuring minimal downtime and improving overall system performance.
Engineering Lead
CareerBuilder
10.2019 - 04.2020
- Collaborated in team to successfully migrate different stack to Ruby stack for company's eCommerce platform.
- Utilized Rails 5.2, PostgreSQL 9.5, and AWS technologies to facilitate migration and ensure optimal functionality of new platform.
- Assessed system requirements and collaborated with stakeholders to understand and implement necessary changes during migration.
Senior Rails Developer
Zepho Inc.
03.2017 - 08.2019
- Senior Rails Developer overseeing high-volume transactions across diverse asset classes.
- Engineered and implemented microservices using Rails 5.2, Ruby 2.4, RabbitMQ, PostgreSQL, Docker, and RSpec to build highly scalable and robust applications.
- Utilized microservices architecture to enhance system flexibility and scalability, while ensuring reliability of financial transactions.
- Contributed to architectural decisions and promoted best practices within team to maintain high code quality and performance.
- Led successful migration of RabbitMQ background jobs for multiple API endpoints including Issue Card, Active Card, Card Replacement, Close Card, Block Card, Enable Card, and Balance Transfer.
- Utilized Docker, Rails 4.2, Ruby 2.2, and PostgreSQL during migration process to ensure efficient data transfer and system stability.
- Collaborated with team members to troubleshoot issues during migration process and implement solutions.
- Spearheaded end-to-end development of Cash Flow Forecasting and Positioning web application from inception, utilizing Rails 5, LDAP, and PostgreSQL database.
- Conceptualized and implemented integral features such as cash forecasting, cash positioning, balance reconciliation, daily cash balance, and daily transactions, enhancing tool's financial management capabilities.
- Seamlessly integrated web application with LDAP to facilitate single sign-on functionality, enhancing user accessibility and security.
- Navigated challenges of greenfield project, applying strategic planning, design, and coding skills to successfully deliver valuable tool from scratch.
Lead Engineer
One Kings Lane
10.2015 - 03.2017
- Orchestrated upgrade of eCommerce site from Rails 3.2 to Rails 4.2.5, improving performance, security, and compatibility with modern technologies.
- Utilized MySQL database, RSpec 3.3, and ActiveResource throughout upgrade process to ensure data integrity, robust testing, and efficient resource handling.
- Mitigated potential issues associated with upgrade, ensuring minimal disruption to end-users and maintaining site's operational excellence.
- Coordinated with team of developers to successfully implement upgrade, fostering better practices for maintaining and evolving tech stack.
Senior Ruby Developer
Zepho Inc
05.2001 - 09.2015
- Developed IoT web service using Sinatra and MongoDB to manage and describe nature of devices through JSON schemas.
- Engineered service to effectively handle large volumes of data and complex device profiles, contributing to robustness and scalability of IoT system.
- Collaborated to establish standards for device descriptions, ensuring consistency and improving efficiency of data management across IoT network.
- Implemented comprehensive testing, ensuring reliable operation of service and its compatibility with various device types.
- Spearheaded development of Digital Rights Management (DRM) license server for epub and pdf ebooks, employing Rails 4, RSpec 2.0, Redis, Memcache, MySQL, and Sidekiq.
- Engineered robust and secure server to manage ebook licenses effectively, significantly enhancing protection of digital content and compliance with copyright laws.
- Implemented Sidekiq for efficient background job processing, ensuring smooth system performance even during peak load times.
- Utilized caching solutions with Redis and Memcache to enhance server's performance, maintaining seamless user experience for a high volume of users.
- Wrote automated tests using RSpec 2.0 to validate server functionality.
- Successfully upgraded Parking Status API and Meter Payment API from Rails 2.3 and Ruby 1.8.7 to Rails 3.2 and Ruby 1.9.2, significantly enhancing application performance and ensuring up-to-date software stack.
- Engineered insightful reports for Parking Status API and Meter Payment API, utilizing tools such as Webmock, VCR, RSpec 2.13, Simplecov, MySQL, Redis, and Memcache.
- Integrated efficient caching solutions using Redis and Memcache, ensuring the smooth performance of reporting system and optimizing data retrieval operations.
- Employed Webmock and VCR to simulate API responses for testing, increasing the reliability of APIs and enhancing system resilience.
- Wrote tests using RSpec 2.13 and used Simplecov to ensure test coverage over 80%.
- Assisted in maintaining MySQL database for efficient storage and retrieval of parking and payment data.
- Spearheaded team in design and development of RESTful web services, harnessing Rails 3.2, while ensuring seamless access to Oracle and Sybase databases.
- Developed comprehensive financial advisor portal using Rails 3.2, MongoDB, and jQuery, providing advisors with intuitive platform for managing their portfolios.
- Employed Agile methodologies in conjunction with SCRUM practices, fostering a collaborative and iterative development environment that efficiently responded to changes and requirements.
- Acted as technical leader, providing guidance and supervision to team members, facilitating their professional growth and encouraging best coding practices.
- Led team in development of robust Rails 3.0 analytics application for social gaming mobile applications, utilizing HighCharts, MySQL, and jQuery. This enriched gaming experience by providing insightful user data for targeted improvements.
- Managed critical task of migrating existing PHP application to Rails 3.0, enhancing performance and maintainability.
- Worked closely with stakeholders, understanding their requirements and translating them into functional specifications, delivering solutions that met business needs.
- Spearheaded development of key features such as deal discounting and order processing using Braintree, Rails 2.3.8, and MySQL 5.1.
- Reviewed and rectified Rails security vulnerabilities, fortifying application against potential threats, ensuring robustness and reliability of the system.
- Developed Grants Management System using Rails 1.2.6, allowing scientists to effectively manage and approve grants for stem cell research institutions. This critical application streamlined grant approval process, enabling more efficient resource allocation.
- Developed intuitive admin interface for reviewing and approving videos from various content providers using Rails 2.0.
- Created video ingestion processes involving generation of RSS feeds, Excel files, and FTP sites for various high-profile vendors like Fox Reality, Accuweather, CMT, Discovery, etc., using Ruby 1.8.5 and Rails 2.0.
- Developed a sophisticated validation module for video ingestion that utilized libxml to validate XML against vendor's schema definition.
- Provided comprehensive reporting for admin through creation of video-related reports using SQL and Rails 2.0.
- Developed a web-based Lead Generation Management system, featuring administrative reports and powered by Rails 1.2.3, MySQL 5.0, and Memcache.
- Implemented features such as scholarship finder and professional institution matching service, enhancing user experience and satisfaction.
- Improved conversion rate through implementation of drop-off email functionality using Rake tasks.
- Enabled Excel format export of database reports for leads by number of days and various statuses, facilitating efficient data analysis and decision-making.
Software Engineer
US Interactive
11.1999 - 05.2001
- Software Engineer specialized in developing external interfaces for large telecom company.
- Successfully implemented interfaces for provisioning, third-party verification, and fulfillment vendors, demonstrating a deep understanding of telecom operations and vendor management.
Senior Systems Consultant
AITC
05.1999 - 11.1999
- Successfully developed EDA tool which brought in $1 million in revenue for startup company.
Technical Applications Engineer
Mentor Graphics
11.1997 - 01.1999
- Skilled Support Engineer with a strong focus on real-time operating systems (RTOS) in UNIX environment.
Web Programmer
DataTalk Inc
03.1997 - 07.1997
- Developed Intranet based time card module of HR Management Package using Web-SQL, Perl, JavaScript and CGI programming with Sybase database.
Technical Support Engineer
Edify Corp
07.1996 - 02.1997
- Technical Support Engineer for embedded systems product in telecom industry, with focus on self-service customer applications.
Education
Master of Science - Electrical Engineering
Wichita State University
Wichita, KS 08.1994 - 05.1996
Bachelor of Engineering - Electronics And Communication Engineering
Anna University
Madras, India 06.1989 - 05.1993
Timeline
Software Engineer
Zepho Inc
06.2023 - Current
Software Engineer
Zepho Inc. (Client: Airbnb)
10.2021 - 06.2023
Backend Ruby on Rails Developer
(Client: HP)
06.2021 - 10.2021
Engineering Lead
CareerBuilder
10.2019 - 04.2020
Senior Rails Developer
Zepho Inc.
03.2017 - 08.2019
Lead Engineer
One Kings Lane
10.2015 - 03.2017
Senior Ruby Developer
Zepho Inc
05.2001 - 09.2015
Software Engineer
US Interactive
11.1999 - 05.2001
Senior Systems Consultant
AITC
05.1999 - 11.1999
Technical Applications Engineer
Mentor Graphics
11.1997 - 01.1999
Web Programmer
DataTalk Inc
03.1997 - 07.1997
Technical Support Engineer
Edify Corp
07.1996 - 02.1997
Master of Science - Electrical Engineering
Wichita State University
08.1994 - 05.1996
Bachelor of Engineering - Electronics And Communication Engineering
Anna University
06.1989 - 05.1993
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