Nitish Devadiga

Product Engineer @ Refrens

Freelancer based in Bengaluru, India

Featured Clients

My Works

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Refrens

Website for Refrens

* Worked on the Profile Systems, User Feed, Accounting, and Book-Keeping software. * Collaborating with the CTO and a great engineering team on developing Refrens' SaaS product. Pair Programming to work on feature integrations and urgent bug fixes. * Tech Stack: Feathers JS (Node), Next JS, Mobx, Storybooks, Strapi, Websockets, MongoDB, PostgreSQL, Neo4j, Fast API (Python), OpenAI, and much more. * Taking charge of creating POCs on possible highly valuable integrations such as LLMs for Chat Support and generating profile content for businesses. * Optimizing rendering, forms, page performance, user experience, and SEO. Highlight: Optimized our Line Items rendering in the massive Invoice Form to support up to 300+ items in a single Formik-based React form (All while maintaining real-time balance computation of totals and taxes as you type). * Integrated accounting features such as GSTR categorization, GSTR-1 reports in JSON and Excel, Reverse Charge Mechanism, Voucher Entries, etc. * Worked on Email Sending (one-time and recurring) through custom domains using Gmail API and OAuth. Complete with a fallback mechanism to send email using AWS ses in case of auth failures. * Using NextJs' internal functions by digging through their repo to render pages as per our needs to suit performance and SEO. * Documenting, Reviewing PRs and taking hiring interviews. * Worked on featuring profile systems and rankings for Hire Freelancer Pages. * Lots of debugging, going through documentation and using AI anywhere possible to help speed up dev time. * Many, many more features and product enhancements.

Ongoing Project

Web Developer Full Stack Developer Backend Developer Frontend Developer Next.js OpenAI Python MongoDb Accounting And Tax

CryptoXpress

Mobile App and Website for CryptoXpress

* In charge of developing the CryptoXpress Apps. Working and collaborating with the CTO to brainstorm, develop, integrate, and test new features for the app, server, and smart contracts. * Tech Stack I worked with: React Native, React, Next JS, Node JS (Koa), MobX, Solidity, Hardhat, Web3/Ethers JS, Docker. * Integrating Modulr Payments for EU/UK Customers to enable Fiat Deposits and Withdrawals. * Designing NFT Smart Contracts based on ERC1155 and ERC721. * Testing the smart contract for BEP20 token standard and Token Vesting for the company's XPRESS Token. Also integrating the Token Vesting contract in a frontend React DAPP for investors using web3 and metamask. * Creating user and app flows. * Designing database models, new routes/APIs and proxies in the backend using Node JS. * Using MobX for App State Management. * • Developing an NFT Marketplace on the BSC Network where users can sell or auction any asset they own as an NFT with ease. Integration of a Proxy Registry to hold approvals. * • Creating a custom Node JS based smart contract event indexing service which is used to log and update the backend database with events that occurred in the Marketplace and NFT contracts. * • Developing a frontend Next JS dapp for the NFT Marketplace along with a React Native mobile version. * • Integrating a Crypto Exchange through Binance Broker Program. * • Managing a centralized wallet (Binance) for the exchange, and allowing users to create multiple decentralized (on device) 'Payment' Wallets, which allows easy transfers to others and also allows NFT Transactions. * • Working extensively with Web3, and understanding the blockchain and smart contracts to develop the application with more clarity. * • Optimizing for performance by utilizing useCallback hooks, memos, and caching. * • Screening and interviewing new hires.

March, 2022

App Developer Software Engineer Blockchain Developer React Native Developer Web Developer

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Diacone Techtools

Static Website for Diacone Techtools

* Developed a static website for Diacone Techtools Company. * Tech Used: Next Js, Tailwind CSS, Vercel (Hosting), Google Analytics. * Fully Responsive and performant with a 100% Lighthouse score. * PWA capable. * Developed a logo for the brand. * Added SEO based on Google Search Guidelines and Schema.org Microdata.

November, 2023

Web Developer Full Stack Developer Frontend Developer Next.js

Services Offered

Website Development

I can develop state-of-the-art, performant and beautiful websites for your business. * Flexible pricing plans based on your needs. * Detailed requirement gathering and understanding of what your company stands for to ensure the best envisioning of your brand. * Optional SEO package and Analytics integration.

₹500OnwardsMultiple Price Plans

About Me

Programmer | Web and Mobile Developer | Blockchain | Creative

Why would you want to hire me? Because I give a damn and get stuff done.

I am a hardworking, dedicated person who is fully committed to the work at hand. I have a hunger for perfection, no matter what the job is. I excel in programming and am great at full-stack web development. I am also creative and good at graphic design.

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