Sagar Devkar, Developer in Mumbai, Maharashtra, India
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Sagar Devkar

Verified Expert  in Engineering

Database Developer

Mumbai, Maharashtra, India
Toptal Member Since
August 10, 2021

Sagar is an Oracle-certified professional with six years of jam-packed, in-depth experience in SQL and multiple databases like Oracle, PostgreSQL, and MySQL. Skilled in SQL and PL/SQL, Sagar has created extremely complex SQL queries for reports, guarded against SQL injections, automated tasks, and created stored procedures, functions, triggers, and packages. Sagar's also supported analyses and used tuning tools and techniques to optimize SQL and PL/SQL performance.


Herald Logic
SQL, PL/SQL, PostgreSQL, MySQL, Oracle SQL
Clover InfoTech
Oracle Database, SQL, PL/SQL, PL/SQL Tuning, PL/SQL Developer
In-Solution Global
PL/SQL, PL/SQL Tuning, MySQL, Oracle SQL, PostgreSQL, Database Design




Preferred Environment

Oracle SQL Developer, PL/SQL Developer, pgAdmin, Toad, Windows, Linux

The most amazing...

...projects were developing multiple projects in the BFSI domain which freed up over 50 hours per month by accelerating the processes and automation.

Work Experience

Senior Platform Engineer

2019 - PRESENT
Herald Logic
  • Designed databases for multiple tuned applications in the banking and insurance domain.
  • Tracked code versions on multiple code versioning tools like SVN, GitLab, etc.
  • Participated in project cycles, including tendering, analyses, architecture, design, development, testing, delivery, and support.
  • Migrated PostgreSQL and Oracle databases from on-premise AWS RDS.
  • Redesigned database solutions in several client projects.
  • Participated in numerous technical and project meetings with clients.
  • Helped design and optimize the database and contributed to PL/SQL development.
  • Designed and maintained a business intelligence solution in several projects.
  • Designed several database solutions for very large projects.
  • Proposed hardware and architectural solutions for several large projects.
Technologies: SQL, PL/SQL, PostgreSQL, MySQL, Oracle SQL

Software Engineer

2018 - 2019
Clover InfoTech
  • Developed banking and insurance-related applications.
  • Redesigned a database solution used in several projects.
  • Automated database tasks for multiple client projects.
  • Helped the support team with numerous support requests related to Oracle.
  • Optimized the database performance in several projects.
  • Developed numerous new functionalities using PL/SQL.
  • Designed a few Oracle, MySQL, and PostgreSQL databases from scratch.
  • Refactored a lot of poorly written PL/SQL code to optimize performance.
  • Optimized the performance of numerous SQL queries in a production environment.
  • Assisted the support team with numerous support requests related to Oracle.
Technologies: Oracle Database, SQL, PL/SQL, PL/SQL Tuning, PL/SQL Developer

Software Engineer

2017 - 2018
In-Solution Global
  • Interacted with the business analyst, understood the requirements, prepared a technical specification document, and developed and released the solution in phases.
  • Optimized and redesigned databases for multiple clients.
  • Introduced PL/SQL unit testing using Oracle SQL Developer.
  • Proposed hardware-and-architectural solutions for several large projects.
  • Refactored a lot of poorly written PL/SQL code and optimized the performance of numerous queries.
  • Worked within the database development (Oracle PL/SQL) team on various projects.
Technologies: PL/SQL, PL/SQL Tuning, MySQL, Oracle SQL, PostgreSQL, Database Design


2015 - 2016
Wipro Infotech
  • Contributed to the development, enhancement, and implementation of the existing application.
  • Fixed reported bugs and optimized slow-running stored procedures or queries.
  • Managed the update processes of databases, maintained databases, and created reports.
Technologies: Oracle SQL, PL/SQL, PL/SQL Developer

Procure to Pay

I developed a customized enterprise application for a client—helping with budgets, purchase requests, purchase orders, and invoices. It manages all the details related to procurement and approval hierarchy so it can be processed.




Oracle Database, Windows, Linux


Oracle PL/SQL, PL/SQL, PL/SQL Developer, Oracle Database Tuning, PostgreSQL, MySQL, Oracle SQL Developer, Oracle SQL


Oracle Database 18c, PL/SQL Tuning


pgAdmin, Toad


Database Development, Database Design

2011 - 2015

Bachelor's Degree in Information Technology

University of Mumbai - Mumbai, India


Oracle PL/SQL Developer Certified Professional


JULY 2020 - JANUARY 2022

Oracle Autonomous Database Cloud Specialist



Oracle PL/SQL Developer Certified Associate


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