Work — Sercan

Work

Selected work

Competitions come first. Projects below state ownership clearly: independent products, team contributions, and coding-lead work.

Competitions

01End-to-end ownership

HackerRank Orchestrate — Buy or Wait?

Placed 225th of 3,062 (top 8%). A 24-hour financial agent that answers “Can I afford this?” for 250 evaluation requests, using reconstructed cashflow and a 90-day forecast.

Role: Creator and Developer
Type: 24-hour hackathon
Timeline: September 2026

Contribution

Built a complete financial agent for the September 2026 Orchestrate hackathon
Reconstructed cashflow from profiles, events, messages, and images
Decided full payment, partial payment, installments, wait, or not proceed
Kept the 90-day forecast above the user’s minimum balance before recommending a purchase

Python
OpenAI vision
Deterministic forecasting
Output validation

View case study GitHub Hackathon

Projects

01Professional team contribution

Sociality.io

An all-in-one social media management platform serving more than 100 enterprise customers across 20+ countries.

Role: Frontend Developer
Type: Enterprise SaaS Platform
Timeline: Sep 2021 – Present

Contribution

Contributes to enterprise web and mobile products
Develops new features and improves existing product modules
Works on performance optimization and long-term frontend maintainability
Builds and improves reusable component architectures

React
TypeScript
Next.js
React Native
Redux Toolkit
RTK Query
Laravel APIs
Docker

View case study Website

02End-to-end ownership

Rewordly

An AI-powered Chrome extension that helps users rewrite text, correct grammar, adjust tone, and improve clarity directly inside the browser.

Role: Creator and Developer
Type: Independent Product / Chrome Extension
Timeline: 2024 – Present

Contribution

Designed and developed the product from scratch
Built browser text-selection interactions and floating controls
Implemented rewrite and grammar correction workflows
Added support for inputs, textareas, and contenteditable elements

TypeScript
Chrome Extension APIs
Webpack
Supabase
OpenAI
HTML
CSS

View case study Website GitHub

03End-to-end ownership

Rewordly Web

The web platform powering Rewordly — marketing site, authentication, dashboard, AI APIs, usage limits, subscriptions, payments, blog, and SEO.

Role: Creator and Full-stack Product Developer
Type: SaaS Web Platform
Timeline: 2024 – Present

Contribution

Developed the website and API using Next.js and TypeScript
Integrated OpenAI-powered rewriting and grammar workflows
Implemented Supabase authentication with email OTP and Google login
Built user dashboards and usage-limit systems

Next.js
TypeScript
React
Supabase
OpenAI
Dodo Payments
Tailwind CSS
Vercel

View case study Website GitHub

04Frontend and mobile contribution

NextSpares

A B2B platform and marketplace that connects factories for spare-parts trade, inventory visibility, and stock optimization.

Role: Frontend and Mobile Developer
Type: B2B SaaS / Marketplace
Timeline: Ongoing

Contribution

Responsible for the web frontend and mobile application experiences
Built and iterated product dashboards for marketplace and inventory workflows
Developed mobile app flows supporting factory spare-parts operations
Integrated frontend surfaces with backend APIs

React
TypeScript
React Native
REST APIs
Redux Toolkit
RTK Query

View case study Website

05End-to-end ownership

Brandisy

An AI brand-kit generator that turns a business idea into a name, logo, color palette, typography, guidelines, and a downloadable asset pack.

Role: Creator and Full-stack Product Developer
Type: Independent Product / SaaS
Timeline: 2025

Contribution

Designed and built the product from idea input through a downloadable brand kit
Implemented the guided flow for name, industry, logo, color, and typography
Generated logos, palettes, type pairings, favicons, and brand-guideline PDFs
Added Supabase auth and a dashboard for saved brands

Next.js
TypeScript
React
Supabase
OpenAI
Dodo Payments
Tailwind CSS

View case study Website GitHub

06End-to-end ownership

Seoneer

An autonomous SEO engineer for GitHub-hosted Next.js projects — it understands the product and codebase, picks one high-value safe action, and ships it as a pull request.

Role: Creator and Full-stack Product Developer
Type: Independent Product / SEO SaaS
Timeline: 2026 – Present

Contribution

Designed and built the product end to end as a modular Next.js monolith
Implemented GitHub App install, repository analysis, and PR delivery flows
Built Project Intelligence profiles and SEO action selection agents
Integrated Google Search Console for performance-driven prioritization

Next.js
TypeScript
React
Drizzle ORM
PostgreSQL
Better Auth
Trigger.dev
Vercel AI SDK

View case study Website GitHub

07End-to-end ownership

Livoic

A Chrome extension and realtime backend that captures live Twitch audio, transcribes and translates speech, and renders Netflix-style subtitles over the player.

Role: Creator and Developer
Type: Independent Product / Chrome Extension
Timeline: 2026 – Present

Contribution

Designed and built the monorepo from scratch (extension, server, shared protocol packages)
Implemented Manifest V3 tab-audio capture via offscreen PCM pipeline
Built Fastify WebSocket gateway with short-lived realtime auth tokens
Added provider-agnostic speech and translation adapters (mock, Deepgram, OpenAI)

TypeScript
Chrome Extension APIs
Vite
React
Fastify
WebSockets
Zod
Deepgram

View case study GitHub

08End-to-end ownership

AI Video Transformer

A full-stack AI video-to-video app: upload a clip, choose Magic Hour style parameters, and browse async history until the generated video is ready.

Role: Creator and Full-stack Developer
Type: Full-stack AI App
Timeline: 2026

Contribution

Built the Next.js App Router app end to end — upload, transform, webhook, and history flows
Integrated Uploadcare direct browser uploads with server-side metadata verification
Stored durable source and generated videos in Cloudinary via remote-fetch (no video proxying through Vercel)
Created Magic Hour Video-to-Video jobs and handled async lifecycle via signed webhooks

Next.js
TypeScript
React
MongoDB
Uploadcare
Cloudinary
Magic Hour API
TanStack Query

View case study Live demo GitHub

Additional projects

Team project — coding ownership

Jobswire

An unreleased hiring-product system I led coding for with a small team — API, messaging service, frontend, and deployment configuration.

Role: Software Developer — coding ownership
Type: Software Project (Unreleased)
Timeline: 2022

Contribution

Owned coding across backend API, messaging service, frontend application, and deployment configs
Built Express/MongoDB API surfaces including auth-related flows and validation
Set up GraphQL messaging service foundations with subscriptions/WebSocket support
Configured multi-service Docker Compose deployment

JavaScript
TypeScript
Node.js
Express
MongoDB
Mongoose
GraphQL
Apollo Server

View case study Backend Message service

One-time client project

Little Bloomer Emails

A set of responsive HTML email layouts built as a one-time client engagement — welcome, cart abandonment, pre-order, and code-reminder flows.

Role: Frontend / Email Developer
Type: Email Development
Timeline: Dec 2023 – Jan 2024

Contribution

Designed and coded production-ready HTML email templates for a client brand
Built welcome, cart-abandonment, pre-order, and code-reminder layouts
Handled responsive email structure and client-friendly markup patterns
Prepared image/asset references and polishing passes through delivery

HTML
CSS
Responsive email
Cross-client email HTML

View case study GitHub

One-time client project

Anda Emails

A broader set of HTML email templates for a client brand — welcome, abandonment, thank-you, compare, and related lifecycle emails — delivered as one-time work.

Role: Frontend / Email Developer
Type: Email Development
Timeline: Dec 2023

Contribution

Built a larger suite of branded HTML email layouts for a client
Covered welcome, cart/site abandonment, thank-you, compare, and promotional templates
Applied responsive email practices and consistent component patterns across templates
Prepared image/font asset references for production use

HTML
CSS
Responsive email
Cross-client email HTML

View case study GitHub