👋 Hello! I'm Serhii Tolmachov, a Python Backend Developer and technical partner with over 4 years of experience crafting dynamic, scalable web applications. My passion lies in bridging the gap between complex business requirements and seamless digital experiences. I don’t just write code; I build maintainable systems that support your business growth. From developing large-scale CRM platforms and booking systems to creating AI-powered applications, I take ownership of the backend architecture so you can focus on your product. 📍 Client-oriented Python/FastAPI expert 📍 Mentor and code-quality advocate 📍 Strong focus on product architecture and business logic 📍 Dedicated to long-term partnerships and predictable delivery 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲? 🔹 Business-First Approach: I create detailed Product Requirement Documents (PRDs), plan milestones, and think like a product owner, not just a coder. 🔹 High Code Standards: With experience mentoring engineering students, conducting code reviews, and running mock interviews, I ensure your codebase remains clean, modular, and scalable. 🔹 Transparent Communication: Prompt responses, regular updates, and clear budget management throughout the project lifecycle. 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 & 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 ➡️ BACK-END & ARCHITECTURE I build robust, secure, and blazing-fast server-side solutions tailored for your needs. 🔹 Python | FastAPI | Flask | Django 🔹 Relational & NoSQL Databases 🔹 Scalable server architecture and modular design ➡️ API INTEGRATION & AI I specialize in turning complex logic into accessible features: 🔹 Custom REST APIs and seamless Data Synchronization 🔹 Third-Party API integrations (Payment gateways, CRMs, etc.) 🔹 AI integration (working with LLMs, Gemini API, and building smart features like virtual try-ons or meeting assistants) ➡️ INFRASTRUCTURE & WORKFLOW 🔹 Cloud storage & deployment (DigitalOcean Spaces, AWS, etc.) 🔹 Git workflows, CI/CD, and structured environment setups 🚀 Let’s build a powerful, maintainable digital experience tailored to your vision. ✉︎ Send me a message to get started!

Welcome! I’m Ahmed Elhadidi, an AI Engineer with 8 years of experience turning ambitious ideas into transformative, AI-driven solutions. With a BSc and MSc in Computer Science and over 50 successful projects, I specialize in crafting cutting-edge AI systems that deliver real-world results. What I Offer 💡 Custom AI Chatbots I design chatbots that combine fine-tuned AI models and Retrieval-Augmented Generation (RAG) for intelligent, context-aware interactions tailored to your needs. 📱 AI-Powered Mobile Apps From concept to deployment, I create mobile apps that integrate AI for smarter, intuitive user experiences. Genhairator, my flagship AI app, simulates hair transplant results from user images, revolutionizing client consultations in the cosmetic industry. 🧠 Fine-Tuned AI Models Need AI that works for your domain? I fine-tune GPT, BERT, and custom LLMs to meet your exact requirements, ensuring high accuracy and efficiency. 🎯 RAG-Based AI Solutions I build retrieval-augmented systems that combine LLMs with knowledge retrieval for precise, context-aware results across industries. Why Work With Me? ✅ Proven Expertise: With certifications and 8 years of hands-on experience, I’ve mastered AI development, mobile app creation, and system integration. ✅ Real-World Results: My solutions, like Genhairator, are deployed and thriving in real-world scenarios, delivering measurable value. ✅ Client-Focused: I prioritize your success, tailoring every project to your unique goals and delivering on time with top quality. ✅ Scalable and Secure Solutions: Whether a startup or enterprise, I ensure scalability, reliability, and security for all solutions. Core Technical Skills 🤖 AI/ML: Fine-tuning GPT, BERT, and custom LLMs, NLP, computer vision. 📱 Mobile Development: Flutter (Dart), iOS, Android, AI-powered apps. ⚙️ DevOps: Docker, Kubernetes, CI/CD pipelines, cloud integration. 🔐 Cybersecurity: Secure API and app development, data protection. 📊 Data Management: Firebase, Qdrant, Supabase, Postgress, Clickhouse, MongoDB. Notable Projects 🌟 Genhairator: AI-powered mobile app that transforms client images to simulate hair transplant results. Loved by users for its accuracy and ease of use. 🌟 Customer Support Chatbot: Fine-tuned GPT-based chatbot with RAG, reducing response times by 60% and increasing customer satisfaction by 40%. 🌟 AI Recommendation Engine: Developed for an e-commerce platform, boosting product visibility and sales by 30%. 🌟 Secure API for AI Solutions: Built a scalable API framework for enterprise-level AI model integration. Let’s make your vision a reality with cutting-edge AI. Click 'Hire Me' to start your next AI-driven project today!

🚀 AI-Powered Software Architect | Cloud & Data Engineering | Security Expert Helping businesses build scalable, AI-driven, and secure software solutions with 10+ years of expertise. Whether you’re looking to develop AI applications, modernize infrastructure, optimize cloud costs, or enhance security compliance, I deliver high-impact solutions that drive business growth. ⸻ 📌 Recent Case Studies 1️⃣ Scalable SaaS Infrastructure with Kubernetes & Terraform • Designed a robust cloud infrastructure for a SaaS startup using Infrastructure as Code (Terraform) and Kubernetes. • Improved deployment efficiency by 60%, enabling seamless scaling and cost optimization. 2️⃣ Real-time Data Analytics for E-Commerce Giant • Built a high-performance real-time analytics pipeline using Clickhouse & Kafka to process petabytes of data from 100+ endpoints. • Accelerated data processing by 40%, enabling faster business insights. 3️⃣ Enterprise-Grade Monitoring & Security for Microservices • Implemented a centralized monitoring & observability system with Datadog, Prometheus & Grafana. • Enhanced security compliance & reduced downtime by 35%. ⸻ 💡 Services I Offer ✅ AI-Powered Software Development Leverage AI to transform your business with custom machine learning models and AI applications. • Automate workflows and optimize business operations. • Fine-tune AI models for industry-specific use cases. • Develop intelligent solutions that enhance decision-making. ✅ Cloud & DevOps Modernization Streamline software development with cloud-native solutions and automation. • CI/CD pipelines & DevOps automation for faster deployments. • Microservices architecture & Kubernetes for scalability. • Cloud cost optimization to reduce overhead. ✅ Data Engineering & Analytics Transform raw data into actionable insights with scalable data pipelines. • Big data processing with Kafka, ClickHouse, Snowflake & Redshift. • Data warehouse design & ETL pipelines for analytics. • Cloud-based AI-driven data solutions. ✅ Enterprise Security & Compliance Achieve industry security standards with expert guidance in ISO27001, PCI DSS, CMMC, GDPR & HIPAA. • Penetration testing & security audits to mitigate risks. • Third-party risk management & compliance consulting. • vCISO (Virtual CISO) services for long-term security strategy. ✅ SQL Database Performance Optimization Optimize SQL Server performance for high availability and efficiency. • Diagnose & resolve query bottlenecks. • Database scaling & maintenance from SQL Server 2000-2022. • Migrate databases seamlessly to the cloud. ✅ Cloud Migration & Infrastructure Scaling Harness the power of cloud computing by migrating to AWS, Azure, or GCP. • Migrate databases & workloads from on-premises to the cloud. • Containerize applications using Docker & Kubernetes. • Serverless solutions to cut infrastructure costs. ⸻ ⚡ Technologies & Expertise 🔹 AI & Machine Learning • Large Language Models (LLMs), NLP, Generative AI, Computer Vision • Cloud AI Solutions (AWS Bedrock, Azure AI, Vertex AI, SageMaker) 🔹 Cloud & DevOps • AWS: EC2, Lambda, S3, Redshift, Bedrock, SageMaker, Fargate, EKS • Azure: Microsoft Fabric, Azure AI, Azure SQL, Functions, ARM • GCP: Compute Engine, Kubernetes Engine, BigQuery, Vertex AI • DevOps: Terraform, GitHub Actions, ArgoCD, Docker, Kubernetes, Jenkins 🔹 Data Engineering & Security • Databases: Snowflake, Redshift, ClickHouse, MS SQL, PostgreSQL • Data Pipelines: Kafka, AWS Glue, Azure Data Factory, BigQuery • Security: Penetration Testing, GDPR, HIPAA, ISO27001 Compliance 🔹 Automation & Integration • n8n, Make.com, Zapier, Salesforce Einstein, Hubspot Breeze ⸻ 🚀 Ready to Elevate Your Cloud, AI, or Security Infrastructure? Let’s discuss how I can help you build scalable, AI-powered, and secure solutions tailored to your business needs. 📩 Send me a message now to get started!

Hey, I'm Mehdi! A Full-Stack Developer and System Architect for over 5 years now, I love building products that people genuinely enjoy using. The intersection of design and engineering is one of my biggest passions. It's what led me into photography and filmmaking alongside pursuing engineering as a career. I'm experienced in building highly efficient web, mobile, and backend systems while always keeping the end-user in mind through thoughtful UX/UI.

Hello! I am a Full-Stack Web Developer and a dedicated member of a small, dynamic web development team. By working with me, you gain access to the collective expertise of our entire team. We have big expertise in next areas: Corporate Web Systems and ERP Projects, admin panels. We have developed a specialized platform that allows us to launch MVPs within just a few days, ensuring rapid delivery and efficient project execution. Big Data Handling. We excel in managing large datasets and have extensive experience in building services that enable interactive engagement with vast amounts of data. Our solutions support graphical, tabular, and geographic data representations, providing comprehensive insights. Landing Pages. We create lightweight and technologically advanced landing pages, tailored to meet the specific needs of your marketing campaigns and business goals. Technologies We Excel In: If you are looking for developers skilled in modern technologies, we are proficient in and ready to deliver maximum results with the following stack: Frontend: Vue 3, Quasar, Astro, Tailwind, Typescript Backend: Hasura, PostgreSQL, DuckDB, ClickHouse Crossplatform: Electron, PWA DevOps and Infrastructure: Docker, S3, Nhost, Nginx, Traefik, GitLab, GitHub Why Work With Us: Team Expertise: You benefit from the combined skills and knowledge of our entire team, ensuring comprehensive and high-quality solutions. Rapid MVP Launch: Our specialized development platform enables us to deliver MVPs quickly, allowing you to start testing and iterating on your ideas without delay. Client Independence: Our focus on standalone solutions ensures you fully own your product, free from ongoing subscription fees. Clear Communication: We maintain open and transparent communication throughout the project lifecycle to ensure all your needs are met. Commitment to Deadlines: We understand the importance of deadlines and always strive to deliver projects on time. Let’s collaborate to bring your web projects to life with our technical expertise and dedication to excellence!

Hi. I am Denis, my experience in IT is more than 6 years, which includes the development of an independent startup that is currently working and can be viewed. I offer a wide range of services including full development from scratch. Web application development - Server side: php (Laravel, Symfony), node.js (Express.js, Nest.js ) - Interface: React.js (Next.js) JavaScript, HTML, CSS, SASS - Databases: MySQL, PostgreSQL, MariaDB, ClickHouse - Message brokers: RabbitMQ, Apache Kafka - Caching: Redis - Orchestration: Docker I specialize in developing complex projects, including from scratch, from architecture to a full-fledged working MVP.

🚀 Experienced Full Stack Developer with over 10 years of expertise in crafting robust web/app applications and dynamic digital solutions. Proficient in a wide array of technologies and frameworks to deliver scalable and efficient software products. My technical stack is as follows: ⚙️ Languages: JavaScript/TypeScript, PHP, Golang, Python, Rust, Solidity ⚙️ Frontend: HTML, CSS, ReactJS(NextJS), Vue3 (NuxtJS), AngularJS, Tailwind CSS, Sass ⚙️ Backend: Laravel, Symfony, Django, Flask, FastAPI, Node.js, Express.js, ASP.NET, NestJS ⚙️ AI & Machine Learning: TensorFlow, PyTorch ⚙️ Blockchain Technologies: Ethereum, Smart Contracts, Solana, NFT ⚙️ Databases: PostgreSQL, MySQL, Redis, Clickhouse, MongoDB, Firestore ⚙️ Mobile: Flutter/FlutterFlow, React Native ⚙️ E-commerce Tools: WordPress, Shopify, Liquid ⚙️ Infrastructure: AWS, Azure, Heroku, Firebase, Supabase, GCP, Docker, Kubernetes, RabbitMQ, Apache Kafka ⚙️ Version Control: Git, GitHub, Bitbucket Why Choose Me? 🤝 Results-Driven: My focus is on delivering solutions that don’t just work but add real value to your business. 🤝 Flexible & Fast Learner: I’m skilled in a variety of technologies and can quickly pick up new tools, making me a perfect fit for any project. Feel free to reach out and discuss your project needs. I am excited to collaborate and bring your vision to life!

I'm a seasoned Principal Engineer with extensive experience building high-performance, distributed systems for industry leaders like Mastercard, D. E. Shaw, and other top-tier MNCs in Finance, Healthcare, and Pharma domains. Over the years, I’ve architected and developed scalable solutions across real-time data pipelines, ultra-low latency systems, and large-scale B2B/B2C applications—all optimized for high throughput and reliability. 🛠 Core Skills & Technologies: Languages: Python, Java Big Data: Hadoop, Spark, Spark Streaming Cloud Platforms: AWS, Azure, GCP DevOps: Docker, Kubernetes, PCF Others: Data modeling, analytics tooling, Android app development 🚀 Key Achievements: Built a real-time stream processing pipeline handling 30+ billion events per month Developed a sensor ingestion system processing millions of events per minute Engineered APIs capable of supporting millions of concurrent users Created domain-specific data models and analytics tools using Python and modern data tech Developed and launched Android apps on the Play Store with strong user reviews and ratings I specialize in taking complex business requirements and turning them into scalable, cloud-native systems. If you're looking for someone who can both lead technically and deliver hands-on—let’s connect and make it happen.

Site Reliability Engineer (SRE) and Platform Engineer with 4+ years of experience designing, building, and maintaining scalable, reliable cloud infrastructure on AWS and GCP. Hands-on experience operating Kubernetes clusters in production, developing reusable Terraform modules, implementing GitOps workflows, and automating operational tasks using Go, Python, and Bash. Proven track record in platform observability, CI/CD pipelines, incident response, and ensuring high availability, performance, and security across production environments. - Cloud & Infrastructure: Amazon Web Services (AWS), Google Cloud Platform (GCP), Kubernetes, Docker, Virtual Machines, Lambda, ECS, Step Functions. - Database: Qdrant, PostgreSQL, Valkey/Redis, Open Search, Clickhouse. - Infrastructure as Code (IaC): Terraform, Helm Chart. - Observability & Monitoring: Grafana, Prometheus, Loki, Alertmanager, Alloy, Mimir, Tempo - CI/CD & Automation: GitHub Actions, Jenkins, Gitlab CI. - Networking & Security: VPC, DNS, Load Balancer, WAF, Ingress, TLS/SSL, IAM, RBAC. - Scripting & Programming: Go, Python, Bash. - Operating Systems: Linux (Ubuntu, Amazon Linux, Bottlerocket). - Methodologies: Site Reliability Engineering (SRE), Incident Response, SLA/SLO management, Capacity Planning, Post-mortem. Available for short-term fixes or ongoing partnerships 🙌.

🚀 Yash Priyam — Full-Stack Architect | DevOps & AI Systems Expert | 7+ Years Experience I'm Yash, a senior software engineer (SDE-3) with over 7 years of experience building high-performance web platforms, AI-powered systems, and scalable cloud infrastructure. From startups building their MVP to enterprises optimizing millions of dollars worth of cloud and AI operations — I’ve designed and shipped production-grade systems that are fast, reliable, and cost-effective. 🔧 My expertise lies in crafting full-stack apps using React, Next.js, Node.js, and TypeScript, and building resilient backends with Python, Kafka, Redis, and PostgreSQL. I specialize in designing microservices architectures, creating real-time data pipelines, and scaling systems using Docker, Kubernetes, Istio, and Terraform—all deployed across AWS, Azure, and GCP. ⚡ I’ve delivered full-stack platforms serving 20M+ users, architected AI-based invoice OCR systems, and implemented retrieval-augmented GPT-4 apps using Pinecone + HuggingFace. I've also built geospatial ML dashboards, Slack-based chatbots, and real-time logging platforms using ClickHouse and Kafka—all running in horizontally-scaled, production-ready Kubernetes clusters. ✅ Whether you need: A production-grade AI integration (OCR, LLM, GPT-4o, RAG) A secure, multi-region microservices backend An optimized CI/CD DevOps pipeline Or a seamless frontend UX powered by React/Next.js I don't just build code—I deliver results backed by system design principles, best practices, and performance benchmarks. 👥 Need a Team? While I personally lead and deliver many projects end-to-end, I also work with a trusted team of senior developers, designers, and DevOps engineers. If your project requires a dedicated team with fast turnaround and solid execution—I'm happy to bring them in and manage the delivery with you. Let’s build something impactful. 💬