Sanjana Ramakrishnan

About Sanjana Ramakrishnan

Passionate and self-driven software developer with professional experience in solving real world problems using Java & J2EE. Seeking full time opportunities in software development.

Experience

1. Senior Software Engineer

   Powin

   Oct 2023 — Present · US

   Delivered end-to-end software solutions for battery and energy management systems, driving the reliability, safety, and performance of utility-scale energy storage. Led the design of core control algorithms, cloud integrations, and device drivers, enabling advanced grid support, fleet optimization, and seamless solar + storage operations.Delivered cell balancing algorithms improving battery life and performance by ~20%.Built frequency droop control enabling millisecond-level battery response to stabilize the grid.Designed battery warming app using charge/discharge cycles to ensure cold-weather readiness.Implemented minimum SoC enforcement logic, safeguarding critical reserve energy.Developed PV+S (solar + storage) control app optimizing self-consumption and grid services.Architected automatic discharge balancing application to maximize fleet efficiency.Integrated industrial meters (SEL735, ION7400, EDMI MK10H) into EMS with custom drivers.Created the Gatekeeper project, a configurable security layer for command filtering.Built data services & APIs, ETL pipelines, and encryption frameworks to Redshift for fleet analytics and customer reporting.

Education

• Anna University Chennai

  B.E, Computer Science and Engineering

  2007 — 2011

• The University of Texas at Dallas

  Master of Science in Computer Science, Computer Science

  2014 — 2016

• National Institute of Information Technology

  GNIIT, Computer Software Engineering

  2008 — 2011

Skills

• J2ee Application Development
• Javascript
• Html 5
• Html5
• C
• C++
• Ajax
• Java Enterprise Edition
• Ejb
• Functional Testing
• Css
• Servlets
• Oracle
• Portlets
• Mysql
• Jdbc
• Java
• Sql
• Hibernate
• Xml
• Pl/Sql
• R
• Web Services
• Jsp