Freelancers using SQLite in Stockholm

Freelancers using SQLite in StockholmFreelancers using SQLite in Stockholm

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Stockholm, Sweden

Full-Stack Developer & AI Integration Specialist

New to Contra

Full-Stack Developer & AI Integration Specialist

Cover image for Self-Hosted Email Marketing System: Cost-Effective Mailchimp...

Built a self-hosted email marketing platform as an alternative to expensive SaaS tools like Mailchimp. The system runs on your own server — no monthly fees, no email limits, full data ownership. Key features: • Campaign manager with CSV import, contact deduplication, and segmentation • Email personalization with dynamic variables and text spinning for unique messages • Multi-SMTP rotation for better deliverability • Domain warmup system with progressive sending limits • Scheduled sending (business hours, weekday targeting) • Open/click tracking with analytics dashboard • CAN-SPAM compliant unsubscribe system • Multi-user admin panel with role-based access • REST API for external integrations • Queue processing with rate limiting Stack: PHP 8.3, SQLite, Postfix, Apache, Cron

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Cover image for Built a web studio platform

Built a web studio platform with a marketing landing page and 41 unique themed landing pages, each with its own design language. Main page (Apple/Cupertino dark style) presents services, pricing, and a filterable template gallery across 7 categories: Gaming, Cinema, Anime, Art, Fashion, Culture, Tech. Main landing features: • Glassmorphism nav, radial gradients, scroll-reveal animations • Contact form with anti-spam, page loader, stats counters 41 themed pages include: GTA VI, Cyberpunk 2077, Matrix, Dune, Akira, Ghibli, Nike, Balenciaga, Gucci, Chanel, Bauhaus, NASA, Synthwave, Japanese Zen, Ancient Egypt, and more. Each template features custom color palette, typography, CSS animations, Canvas/SVG effects, and responsive layout. Stack: PHP, HTML5, CSS3, JavaScript, Canvas API, Google Fonts

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Cover image for Built a Telegram bot with

Built a Telegram bot with Mini App for attracting investors to a chain of entertainment centers. The bot guides investors through projects, calculates ROI in real time, and collects meeting requests — all within Telegram. Key features: • Mini App with 3 tabs: Parks gallery, ROI calculator, Meeting request form • Real-time ROI calculation based on investment amount and project • Parks catalog with photos, documents, and status (operating / building) • Video tour section for each location • Dual registration: bot flow + Mini App web form • Manager notifications via Telegram groups • Telegram theme sync (light/dark mode) Stack: Python, aiogram 3, PHP, JavaScript, Telegram Bot API, Mini App API

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Cover image for Telegram Mini App for WORTEXSOUND

Telegram Mini App for WORTEXSOUND — a voice talent catalog that runs inside Telegram. Users browse 450+ professional voices with filters by language, gender, category, and tone. Each voice card has an audio player with demo samples and pricing. Favorites, search, and one-tap ordering — all without leaving Telegram. Built with HTML/CSS/JS frontend synced to Telegram's theme (dark/light), PHP backend with REST API, and SQLite database. Integrated with the main @WortexVoicesBot for seamless order flow.

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