Jay Prakash Sonkar

Python Developer | Backend Developer
Software Development Engineer
Fynd, Shopsense Retail Technologies Limited
Noida, Uttar Pradesh

Software Engineer with 2 Years and 7 Months of hands-on experience in Python-based web application development and backend engineering. Demonstrated expertise in designing, developing, and optimizing dynamic web applications. Proficient in Python, data structures and algorithms, and familiar with Machine Learning and AI/GEN-AI principles. Seeking roles in Software Development, Backend Engineering, Fullstack Developer, Python Development, AI, and Data Science.

Backend Development: Developed the Payments and Refund System.
Integration Expertise: Integrated Razorpay Partnership Model, & Custom Checkout Integration for Jio1Pay, Tirabeauty.
API Development: Automated APIs, enhanced Payment and Refund APIs, and extended Payment functionalities.
Database Management: Handled SQL Scripts and Migrations for efficient data processing.
Scripting Skills: Proficient in Bash, and Python scripting for varied applications.
Developed GenAI pipelines to automatically apply and correct rules for API specifications and Swagger documentation.
Assisted in developing a chatbot for JioMart focused on payment and refund resolution.

Data Structures & Algorithms: Solved 700+ DSA problems, showcasing problem-solving capabilities.
Competitive Coding: Qualified for ACM-ICPC 2018 Regionals.
Teaching & Mentorship: Resolved 1300+ student doubts on Chegg.
Open-Source Contributions: Maintained 70+ repositories on GitHub, highlighting active participation in the developer community.
Awards & Recognition: Earned 10+ accolades and certifications for technical proficiency and achievements in software development.
Contributed to Fynix at Fynd, an AI agent that reviews submitted pull requests and provides suggestions for code improvements.
Built GENAI-based applications using LangChain and Agents, enhancing AI solutions for customer support.

Work Experience | Projects

Fynd, Shopsense Retail Technologies Limited
Payments & Refunds | Dec 2022 to Present
Software Development Engineer, 0.5 Years

Led integration of Pyfit with AIOKafka, AIORedis, and FAST Api, ensuring cross-functional collaboration and technical support.
Implemented complex logic for order Amount Apportioning, ensuring accurate discounts and refunds through collaboration with JioMart and payment extension teams.
Engineered and deployed CRUD APIs for Payments & Refunds on the Fynd Platform, managing over 10K+ daily transactions across multiple aggregators and users.
Integrated multiple databases with Payment Gateway APIs, enhancing payment, refund, and payout success rate by 15%.
Successfully launched Jio1Pay custom checkout for Tirabeauty, driving a 20% increase in user checkout efficiency.
Formulated SDK methods for Swift and Kotlin platforms, resulting in a 25% reduction in API integration time.
Instituted callbacks and webhooks for real-time payment processing, and harnessed Kafka for managing 10K+ daily events related to payments and refunds.
Pioneered the 'UPI At Store' (UPIAS) feature on Fynd, increasing in-store UPI transactions by 30%.
Rolled out a versatile multi-mode payment system, bolstering user transaction choices by 50% with reward points, wallets, and varied payment methods.
Implemented secure wallet link, verification, and delinking protocols, utilizing encryption to safely store tokens and boost security measures.
Compliantly integrated Razorpay partnership model in line with RBI guidelines, ensuring secure transactions without storing merchant credentials.
Maintained and optimized APIs regularly, achieving a 98% uptime and enhancing response time by 15%.
Developed GenAI pipelines to auto-apply and correct rules for API specs and Swagger, reducing manual work by 40% and improving accuracy by 25%.
Built a RAG-based chatbot for JioMart handling payment/refund issues, cutting resolution time by 30% and boosting satisfaction by 20%.
Contributed to Fynix at Fynd, an AI agent that reviews PRs and suggests code improvements, reducing review time by 15% and enhancing quality by 10%.
Worked with LangChain and Agents to build GENAI-based applications, optimizing AI-driven solutions for complex business problems involving core and extensions customer support.

Tata Consultancy Services [TCS]
Ericsson | Oct 2020 to Dec 2022
System Engineer (Digital), 2.2 Years

                                    Component Uplifts
Feature Development

                                    JaySoft-LogViewer
JaySoft-TestRunners

                                    JaySoft-WM_Grepper
JaySoft-BB_Downloader

Spearheaded Telecom domain initiatives, achieving a 25% improvement in system efficiency and streamlining feature enhancements.
Engineered and enhanced Python scripts, boosting operational process efficiency by 20%.
Managed system image upgrades via Yocto(Bitbake Build System), resulting in a 15% increase in system reliability and performance.
Drove critical enhancements for Ericsson Telecom, achieving a 10% increase in announcement sector efficiency.
Architected advanced security features for Ericsson Telecom, improving system integrity by 30% and reducing security threats.
Introduced utilities like JaySoft-LogViewer and JaySoft-TestRunners, boosting system operation efficiency by 20%.
Developed and refined tools such as JaySoft-WM_Grepper and JaySoft-BB_Downloader, enhancing system functionality by 18%.

Education & Qualifications

B.Tech, Computer Science & Engineering
BIET, Jhansi (Affiliated to AKTU)
Duration: July 2016 - Sep 2020
Percentage: 71.94%

Intermediate (12th Grade)
JNV, Faizabad (Affiliated to CBSE)
Duration: April 2014 - March 2015
Percentage: 81.60%

High School (10th Grade)
JNV, Faizabad (Affiliated to CBSE)
Duration: April 2013 - March 2014
Percentage: 81.70% (CGPA: 8.6)

Technical Skills

Udemy Certifications

HTML and CSS

Technical Certifications

Snackdown 17 , 19 & 21

Hackerrank Python Certificate

Hackerrank Problem Solving

Techgig C,C++

Techgig Python

TEQIP-3 AI & ML

Datapure Internship

Datapure Recommendation

Programmr Internship

ACM ICPC 2018 Regionals

Infosys Python Certificate

PDA Cyber Security

Internship & Part-time Roles

Chegg Expert
Chegg India · Part-time
Sept 2019 - Dec 2022 · 3 years, 4 months
Remote

Actively addressed and resolved student queries from around the globe.
Successfully tackled over 1300 challenges presented by students on the Chegg platform.
Demonstrated proficiency in Web Development and Data Structures & Algorithms (DSA).
Expertise in multiple programming languages including Python, C++, and Java.

Software Engineer Intern
Programmr.com · Internship
May 2019 - Jun 2019 · 45 days
India · Remote

Formulated interview challenges for student evaluations.
Devised a series of Python-based exercises for practice.
Offered structured solutions for the provided Python problems.
Assisted students in understanding Python problem-solving techniques.

Python Developer
DataPure · Internship
May 2019 - Jun 2019 · 45 days
Indore Area, India

Developed Python scripts for automated web scraping and data collection.
Designed a Python tool for data extraction from varied image sets.
Engaged in data analytics to derive actionable insights from datasets.
Functioned as a Computer Vision Expert, working on image processing and recognition projects.