Web services and APIs, AI integrations, bots and automation, data pipelines — plus browser extensions and native Android. Every card opens a case study with the problem, the numbers and the stack.
MV3 extension that makes large forum listings readable: read/unread tracking, filters, hiding, full-size previews, ad-layer cleanup. Cloudflare Worker + D1 backend, Pro licence as an Ed25519 token verified offline. Live on the Chrome Web Store, EN + RU.
A Denver moving company’s site rebuilt around the three things customers ask first: an AI chat answering from the company’s own material, an instant price estimate from two addresses, and a coverage check by ZIP code.
Summarises YouTube and audio against user prompts. Gemini API streamed through Flow with model fallback, Clean Architecture + MVVM, unit-tested across layers. Reverse-engineered InnerTube pipeline, PoToken/BotGuard handled on Android 15.
C# automation core with reverse-engineered ArtStation APIs, Cloudflare/WAF handling and captcha solving, wired to a WordPress/PHP marketplace: order → queue → execution → report. #1 in Google for the target query, 90+ orders a month.
Marketing Automation Engineer at the Alibaba Group joint venture. Five ad platforms merged into one dashboard through their Marketing APIs — −90% reporting time — plus the SQL that caught traffic fraud.
Product aggregator with 500,000+ installs. Network layer built for a high-load AliExpress affiliate API, Room-backed favourites, paginated listings, localisation into 8 languages.
LLM assistant on Telegram and VK with function calling and RAG over the product base — ~70% of requests answered without an operator. Alongside it: bots, sales funnels across three channels, service-to-CRM integrations and card A/B tests worth up to +120% conversion.
Android timer built for firing accuracy on the firmware that usually breaks background timers. 99.9% accuracy including MIUI/HyperOS, battery use down 80%, cold start under 1.5s. WorkManager, foreground services, custom Material 3 components.
C# toolkit automating LinkedIn lead generation at a fintech company → −80% manual work for the sales team. Behaviour-aware account warm-up, landing pages wired into the CRM over REST.
Python collectors and a Laravel microservice pulled five ad platforms into one store behind Power BI / Tableau. Forecasting models (pandas, scikit-learn) predicted ROI ahead of a week-long purchase-data lag on $500K/month spend across 104 countries.
Six sites on the Amazon affiliate programme, end to end: expired-domain hunting, content restored from the web archive, keyword research, briefed copy, and link building through custom parsers and scheduled posting.
A CPA network designed and built from scratch on CodeIgniter: real-time click/impression/conversion tracking with SQL tuned for large tables, a JS-tag ad server with fraud protection, and a billing module with payout history.
Endless video feed on RecyclerView with a custom LayoutManager. Pre-fetching buffers the next clip while the current one plays; ExoPlayer resources are released on scroll. Glide caching keeps the feed at 60 FPS.
~70 sites of my own, run as an automation problem rather than a staffing one: Python parsers and spinners for content, a scheduled publishing pipeline, uptime and indexing monitoring, DNS and CMS updates across a server pool.
Multithreaded C# parsers (HtmlAgilityPack) and ETL pipelines publishing straight into WordPress over XML-RPC. Ad campaign tooling over the Yandex Direct API with auto-bidding logic.
Full-cycle development on LAMP, CMS customisation at code level (Drupal, WordPress, Joomla, DLE), and administration of a 50+ site network: DNS, hosting, MySQL tuning.
Server-side matching on preferences and location, an event stream (likes, visitors, follows) over REST, automated account screening at registration, and a deliberately lightweight Java client.
Open to new projects — web services and APIs, AI and LLM integrations, bots, automation and API work, browser extensions, native Android. From architecture through to production.