Freelance Fullstack Engineers in SollentunaFreelance Fullstack Engineers in Sollentuna
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Andreas Smidelöv's avatar
Andreas Smidelöv
pro
Sollentuna, Sweden
Streamline Workflows with AI Automation Expert
Streamline Workflows with AI Automation Expert
Cover image for Geographic Entity Management for Wildlife Compliance
Geographic Entity Management for Wildlife Compliance
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6
Cover image for Background Check System Development and Maintenance
Background Check System Development and Maintenance
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7
Cover image for Song-Guesser Game
Song-Guesser Game
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28
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Fullstack Engineer(2)
Anton Ch's avatar
Anton Ch
pro
Stockholm, Sweden
Full-Stack Developer & AI Integration Specialist
New to Contra
Full-Stack Developer & AI Integration Specialist
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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102
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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106
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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97
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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102
Fullstack Engineer(3)
App Sage's avatar
App Sage
Stockholm, Sweden
VueJS & Flutter Wizard with 6+ Yrs Experience
VueJS & Flutter Wizard with 6+ Yrs Experience
Cover image for Fashion eCommerce
Fashion eCommerce
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1
Cover image for Magento Ecom Website
Magento Ecom Website
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0
Cover image for Rain Magazine - Where trends begin.
Rain Magazine - Where trends begin.
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1
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Fullstack Engineer(3)
Julia Akvadrat's avatar
Julia Akvadrat
Stockholm, Sweden
Full-stack dev: Python, Django, Vue, PostgreSQL, FastAPI.
Full-stack dev: Python, Django, Vue, PostgreSQL, FastAPI.
Cover image for REST API
REST API
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0
Cover image for Django Admin
Django Admin
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0
Cover image for Perfume E-commerce Catalog Development
Perfume E-commerce Catalog Development
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0
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Fullstack Engineer(1)