Sunil Kumar Singh

India

@ksunilk081

Senior Software Engineer at VISA

Badges

Problem Solving
Java

Certifications

Work Experience

  • Senior Software Engineer

    Freelancer•  July 2023 - Present

    • Working on multiple projects involving various cutting-edge technologies

  • Senior Software Engineer

    Visa•  April 2022 - July 2023

    • Led code reviews and unit testing and ensuring 95% bug-free software release. • Implemented solutions for new development and managed system enhancements. • Managed modifications to existing software, reducing debugging time by 30%. • Enhanced system stability by 25% through continuous integration. • Conducted business and technical analysis, improving the efficiency by 20%.

  • Senior Software Engineer

    TM•  September 2021 - April 2022

    • Implemented features for paid membership, which resulted in a 2x increase in subscription service sales. • Refactored legacy Python 2.x code to Python 3.x, reducing line count by 30% and improving AP! response time by 27.71%.

  • Senior Software Engineer

    Intuit•  April 2021 - September 2021

    • Innovated the online billing system by implementing real-time events, public key infrastructure, and GraphQL services, which led to a 25% improvement in system reliability. • Managed migration of payroll products after Intuit acquired Paycycle, streamlining integration. • Directed a data pipeline project that integrated the self-employed product line with Quickbook Online. This new development yielded a 50% increase in customer engagement. • Spearheaded multiple projects under Quickbook Online's infrastructure team, resulting in a 30% increase in system efficiency.

  • Senior Software Engineer

    The Home Salon•  October 2019 - March 2021

    • Led the development of a product catalog for The Home Depot - QuoteCenter, which integrated sophisticated pricing strategies and supply chain features. • Optimized data validation processes, which reduced costs by 25% and validation time from 14 to 2 hours. This was achieved by utilising Google DataProc, Apache Spark, and Hadoop.

  • Software Engineer

    Google•  September 2018 - September 2019

    • Enhanced user experience and user interface, improving navigation efficiency by 20%. • Led the development and launch of innovative Google Ads features, leading to a 30% increase in advertiser satisfaction. • Contributed to the optimization of Google Ads delivery algorithms leading to a 25% boost in click-through rates.

  • Software Engineer

    Chase Federal Bank•  January 2017 - September 2018

    • Developed future-focused software references and established technical standards, yielding a significant improvement in organizational proficiency. • Mentored 3 technical leads and 6 mid-level SEs, and junior developers, resulting in a 24% boost in delivery metrics. • Managed 50+ cloud component executions across diverse development teams. This led to a remarkable 2X revenue surge from 2019 to 2020 among commercial cash clientele.

  • Software Engineer

    AT Internet•  April 2017 - December 2017

    Re-joined AT&T as a software engineer after a short stint at American Express. Responsibilities and achievements during this term are still pending.

  • Software Engineer

    American Express•  November 2015 - March 2016

    • Devised a real-time web application for monitoring money movement to increase transparency and efficiency. • Formulated a tracking and balancing solution for global payments, reducing processing time by 30%.

  • Software Engineer

    Tech Mahindra •  June 2008 - August 2013

    • Steered seamless data integration solutions, which led to a 20% increase in processing efficiency. • Managed to handle more than 1000 file receptions accurately and reduced error percentage by 95%.

Education

  • University of Pune

    Computer Science, MS•  July 2007 - July 2009

Skills

ksunilk081 has not updated skills details yet.