Freelance Fullstack Engineers in StockholmFreelance Fullstack Engineers in Stockholm
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Cover image for Built a SaaS learning platform
Built a SaaS learning platform that generates courses from expert interviews using AI. Telegram bot conducts interviews with experts, AI analyzes responses and generates curricula with lessons, quizzes, and video scripts. Key features: • Multi-tenant LMS for multiple organizations with custom branding • AI pipeline: Telegram bot → GPT-4/Claude analysis → auto-generated curriculum • Student portal with progress tracking and gamification • SCORM 1.2 export for Moodle, iSpring, GetCourse • Admin panel (React + TypeScript), 30+ pages • Two Telegram bots: interviewer and LMS assistant with RAG • Bitrix24 integration (user sync, notifications) • 70+ REST API endpoints, Docker + monitoring Stack: Python, FastAPI, React, TypeScript, PostgreSQL, Redis, Docker, OpenAI API, Claude API, aiogram 3
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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 an AI-powered platform that
Built an AI-powered platform that automates content creation and distribution across 7 social networks. The system listens to GitHub webhooks, analyzes commits, generates content ideas via AI, and publishes tailored posts to each platform automatically. Key features: • AI content generation via Claude API with tone profiles per channel • Cross-posting to: Telegram, VK, Instagram, Facebook, LinkedIn, Threads, TG Stories • Image generation for 9 platform-specific formats • Content variety manager (prevents repetitive post types) • Campaign planning with monthly scheduling • Voice message transcription (Whisper) → content generation • Performance analytics dashboard • GitHub webhook integration for automated triggers Stack: Python, FastAPI, aiogram 3, Claude API, OpenAI Whisper, Instagram Graph API, VK API, Pillow, Playwright
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