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Sushant Kumar

๐Ÿ‘‹Open for Work | ex-CTO/Founding Engineer @ X.Tax - IRS Authorized E-Filing Provider

Hyderabad

11+ years of work experience

X.TAX, INC
Dec 202510 moOct 2026

Hyderabad

Been a part of X.Tax Inc since inception. Contract Engineer โ†’ CTO / Founding Engineer. ๐Œ๐š๐ฃ๐จ๐ซ ๐œ๐จ๐ง๐ญ๐ซ๐ข๐›๐ฎ๐ญ๐ข๐จ๐ง๐ฌ: - Cross domain architecture: Frontend, Backend, ETL pipeline, complex JSON โŸท XML mappings. - Architected and launched internal npm package for common data validation library with AWS Code Artifact. This helped reduce up-to 90% mismatch in API contracts across multiple services. - Launched the Developer API Portal. - Architected the tools and use cases for the MCP server.
Decathlon Digital
Jan 20223 yrs 11 mosNov 2025

Bengaluru

Working on enhancing and building user interface for decathlon.in website. Some of my major contribution includes: 2025 - New Gallery UI - Quick Commerce and 3 step checkout 2023 - 2024 - Decathlon Wallet - Decathlon Sporty Rewards 2022 - 2023 - New product page implementation - Migration from SCSS to Tailwind CSS. - Building Wishlist feature, further enhancing it for speed. - Implemented Buy Now Pay Later in payment page. - Migrating frontend APIs to use Decathlon centralized authentication (named DKT).
SynchroWork
Apr 20213 yrs 7 mosOct 2024

Bengaluru, Karnataka, India

[Acquired ๐Ÿ™Œ๐Ÿป] SynchroWork is an all in one management tool for digital agencies & freelancers. It brings the major daily use tools like invoicing, project management, client & team management, expenses management, AI proposal generator, etc. under a single hood. Result? Saving time, Saving money. ๐Œ๐ฒ ๐œ๐จ๐ง๐ญ๐ซ๐ข๐›๐ฎ๐ญ๐ข๐จ๐ง๐ฌ: #Product: 1. Ideation of the product - SynchroWork agency portal and client portal. 2. Built the product roadmap before proceeding to the design and development steps. 3. Converted ideas to MVP in 3 months with 3 people. #People: 1. Formed a team of 3 people 1 UI designer, 1 Frontend developer & Myself :). 2. Built a process to be followed from ideation to implementation. #Technology: 1. Chosen the technology stack: Node, React, Next JS, MongoDB, Ubuntu, Docker & GitHub. 2. Built the frontend architecture and defined a standard, so that it comprises of re-usable components and is scalable. 3. Worked on the backend architecture, security and speed of the APIs - implemented JWT tokens for security, for optimised queries I used MongoDB aggregate pipelines & indexing. 4. Setup a CI/CD pipeline which uses GitHub actions, Docker and an Ubuntu Server. 5. Ubuntu server setup, includes domain linking, SSL implementation, docker setup, MongoDB setup, security & basic firewall setup, worked on cron jobs as well. #Business (experiments, experiments, experiments!): 1. Cost optimisation: For small start chosen a low cost (~2.79 Euro), but effective server and the architecture is such that it can be scaled to different VPS providers overnight. 2. Onboarded 160+ users in 3 months. 3. Generated $700+ revenue in 3 months.
NowFloats
Dec 20191 yr 5 mosApr 2021

Hyderabad Area, India

Kitsune focuses mainly on Enterprise customers to provide cloud based serverless infrastructure solutions and applications. โ€ข Worked with clients like Edenred, Care Health Insurance, Informatics India Ltd and India Shelter. โ€ข Worked on HSBC Credit Card Rewards website & CMS using React, SQL server, Node JS, Express โ€ข Implemented and contributed in enhancing the application speed using kit-proxy an in house proxy solution.
NowFloats
Jun 20191 yr 11 mosApr 2021

Hyderabad Area, India

Product Development - NowFloats Boost Web
NowFloats
Dec 20187 mosJun 2019

Hyderabad Area, India

โ€ข Working on NowFloats' Boost for web. โ€ข Landing pages for marketing team using Kitsune.
VIVID MYND
Apr 201510 yrs 8 mosNov 2025

India

Delivered websites and design till 2023 for various clients across the globe. Since 2024: - Vivid Mynd now only focuses on developing AI SaaS. - Delivered 5+ AI apps across multiple niche (Indian Legal, US Taxes, Content Curation, Business Analytics)

Sushantโ€™s AI Stack

claude code
claude code
claude
claude
codex
codex
langgraph
langgraph
mistral
mistral
opencode
opencode

Education

KIIT - Kalinga Institute of Industrial Technology

Bachelor of Technology (B.Tech.), Electronics and Telecommunications

KIIT - Kalinga Institute of Industrial Technology

20154 yrs2019
Chinmaya Vidyalaya, Bokaro Steel City

Intermediate, PCM

Chinmaya Vidyalaya, Bokaro Steel City

20132 yrs2015

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Headline

๐Ÿ‘‹Open for Work | ex-CTO/Founding Engineer @ X.Tax - IRS Authorized E-Filing Provider

About

Open for new opportunities --- Recently served as a CTO / Founding Engineer at X.Tax (An IRS approved AI tax filing platform). ---- Previously: ๐Ÿš€ Full-stack Developer & AI SaaS Founder with a proven track record of building and scaling digital products that drive real business results. I've successfully founded and scaled SynchroWork from concept to acquisition, generating revenue in just 3 months while onboarding 160+ users. Previously served as SDE 2 at Decathlon Sports India, I had contributed to features that serve millions of customers on one of India's leading sports retail platforms. What I bring to the table: โœ… Product Strategy & Execution: Led SynchroWork from ideation to MVP in 3 months with a 3-person team, implementing full-stack architecture and CI/CD pipelines โœ… AI Integration Expertise: Delivered 5+ AI SaaS applications across diverse niches (Legal Tech, Tax Solutions, Business Analytics) through VIVID MYND โœ… E-commerce Growth: Enhanced Decathlon.in user experience through new product pages, wishlist optimization, BNPL integration, wallet implementation, sporty rewards and quick commerce implementations. โœ… Technical Leadership: Full-stack expertise in MERN, Next.js, Docker, and cloud infrastructure with focus on scalable, secure solutions

Location

Hyderabad

AI stack

claude code

claude

codex

langgraph

mistral

opencode

Work experience

Founding Engineer at X.TAX, INC, Dec 2025 - Oct 2026 ยท 10 mo, Hyderabad, Been a part of X.Tax Inc since inception. Contract Engineer โ†’ CTO / Founding Engineer. ๐Œ๐š๐ฃ๐จ๐ซ ๐œ๐จ๐ง๐ญ๐ซ๐ข๐›๐ฎ๐ญ๐ข๐จ๐ง๐ฌ: - Cross domain architecture: Frontend, Backend, ETL pipeline, complex JSON โŸท XML mappings. - Architected and launched internal npm package for common data validation library with AWS Code Artifact. This helped reduce up-to 90% mismatch in API contracts across multiple services. - Launched the Developer API Portal. - Architected the tools and use cases for the MCP server.

SDE 2 at Decathlon Digital, Jan 2022 - Nov 2025 ยท 3 yrs 11 mos, Bengaluru, Working on enhancing and building user interface for decathlon.in website. Some of my major contribution includes: 2025 - New Gallery UI - Quick Commerce and 3 step checkout 2023 - 2024 - Decathlon Wallet - Decathlon Sporty Rewards 2022 - 2023 - New product page implementation - Migration from SCSS to Tailwind CSS. - Building Wishlist feature, further enhancing it for speed. - Implemented Buy Now Pay Later in payment page. - Migrating frontend APIs to use Decathlon centralized authentication (named DKT).

Founder at SynchroWork, Apr 2021 - Oct 2024 ยท 3 yrs 7 mos, Bengaluru, Karnataka, India, [Acquired ๐Ÿ™Œ๐Ÿป] SynchroWork is an all in one management tool for digital agencies & freelancers. It brings the major daily use tools like invoicing, project management, client & team management, expenses management, AI proposal generator, etc. under a single hood. Result? Saving time, Saving money. ๐Œ๐ฒ ๐œ๐จ๐ง๐ญ๐ซ๐ข๐›๐ฎ๐ญ๐ข๐จ๐ง๐ฌ: #Product: 1. Ideation of the product - SynchroWork agency portal and client portal. 2. Built the product roadmap before proceeding to the design and development steps. 3. Converted ideas to MVP in 3 months with 3 people. #People: 1. Formed a team of 3 people 1 UI designer, 1 Frontend developer & Myself :). 2. Built a process to be followed from ideation to implementation. #Technology: 1. Chosen the technology stack: Node, React, Next JS, MongoDB, Ubuntu, Docker & GitHub. 2. Built the frontend architecture and defined a standard, so that it comprises of re-usable components and is scalable. 3. Worked on the backend architecture, security and speed of the APIs - implemented JWT tokens for security, for optimised queries I used MongoDB aggregate pipelines & indexing. 4. Setup a CI/CD pipeline which uses GitHub actions, Docker and an Ubuntu Server. 5. Ubuntu server setup, includes domain linking, SSL implementation, docker setup, MongoDB setup, security & basic firewall setup, worked on cron jobs as well. #Business (experiments, experiments, experiments!): 1. Cost optimisation: For small start chosen a low cost (~2.79 Euro), but effective server and the architecture is such that it can be scaled to different VPS providers overnight. 2. Onboarded 160+ users in 3 months. 3. Generated $700+ revenue in 3 months.

Experience Developer - Kitsune Team at NowFloats, Dec 2019 - Apr 2021 ยท 1 yr 5 mos, Hyderabad Area, India, Kitsune focuses mainly on Enterprise customers to provide cloud based serverless infrastructure solutions and applications. โ€ข Worked with clients like Edenred, Care Health Insurance, Informatics India Ltd and India Shelter. โ€ข Worked on HSBC Credit Card Rewards website & CMS using React, SQL server, Node JS, Express โ€ข Implemented and contributed in enhancing the application speed using kit-proxy an in house proxy solution.

Software Developer - Product team at NowFloats, Jun 2019 - Apr 2021 ยท 1 yr 11 mos, Hyderabad Area, India, Product Development - NowFloats Boost Web

Frontend Web Developer (Intern) at NowFloats, Dec 2018 - Jun 2019 ยท 7 mos, Hyderabad Area, India, โ€ข Working on NowFloats' Boost for web. โ€ข Landing pages for marketing team using Kitsune.

Founder at VIVID MYND, Apr 2015 - Nov 2025 ยท 10 yrs 8 mos, India, Delivered websites and design till 2023 for various clients across the globe. Since 2024: - Vivid Mynd now only focuses on developing AI SaaS. - Delivered 5+ AI apps across multiple niche (Indian Legal, US Taxes, Content Curation, Business Analytics)

Education

Bachelor of Technology (B.Tech.), Electronics and Telecommunications, KIIT - Kalinga Institute of Industrial Technology

Intermediate, PCM, Chinmaya Vidyalaya, Bokaro Steel City