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Over 20 years of experience in system administration and software development. I created several Mediawiki extensions, one of them is used on the Wikipedia site. My skills are Linux + PHP + Javascript + CSS + MySQL + Nginx + Apache and etc... I'm interested in work related to MediaWiki software (such as an extension development, installation and bug fixing and any problem resolving) I'm NOT a content writer!

Trilingual English/Russian/Kazakh Adapted and Manual Translation between ENG/RUS/KAZ since 2016: -general -medical -academic -legal -technical -software localization -website localization Content writer General transcription

6+ years of experience as golang backend dev. Have Masters degree in Applied Math. I specialize in Go microservices, leveraging tools like Docker, Kubernetes, and cloud services (AWS/GCP) to ensure your backend is scalable and reliable. I help startups and businesses design robust backend systems from scratch, or improve existing platforms to handle growth. My goal is to ensure your application’s backend is secure, fast, and scales effortlessly as your user base grows. ⚡ Key Skills & Technologies ✅ Golang & Microservices: Building RESTful and gRPC APIs using Go, with expert use of concurrency patterns for high-performance, scalable services. ✅ Cloud Platforms (AWS, GCP, Azure): Deploying and scaling applications on Amazon Web Services, Google Cloud, and Azure. (E.g., using AWS Lambda, Google Cloud Pub/Sub, or Azure services as needed.) ✅ Databases & Messaging: Experience with SQL and NoSQL databases like PostgreSQL, MySQL/MariaDB, MongoDB, plus caching and messaging systems such as Redis, Apache Kafka, and RabbitMQ for robust data pipelines. ✅ API Security: Implementing OAuth2, JWT authentication, and secure token management (including Firebase Auth and AWS Cognito) to protect APIs. ✅ Real-Time Communication: Developing real-time features using WebSockets (Gorilla toolkit) and event-driven architectures for live updates (e.g. in chat or notification systems). ✅ Testing & Monitoring: Writing thorough unit/integration tests and using monitoring/logging stacks (e.g. ELK Stack with Elasticsearch, Logstash, Kibana) to ensure code quality and reliability. 🔷 RECENT PROJECTS ------------------ 🟦 MEDICAL ERP Physician Partners business is based on early disease detection, prevention, and treatment. SXOPE is the IT backbone of the clinic's operations. Here are some key facts about the system 45 clinics+, 400+ PCPs, 60 000+ patients. I was a part of backend dev team consisting of 20+developers, besides new features development also did L3 support/bug fix tasks. The system is written in Go and is based on GCP stack. 🟦 ATMOS CLI Enhanced circuit breakers mechanism and repos cloning for more resilient performance under heavy load, integrated GitHub, Gitlab and Bitbucket tokens injection to bypass rate limits, introduced support for SSH vendoring, fixed the bug with globs (both shallow and greedy) inclusing and exclusion patterns as well as SCP SSH urls alignment for go-getter. Also implemented a sub command 'docs generate' for readme files that have terraform variables listed (json, hcl, helmfile). Tech Stack: Go, GitHub APIs, Jenkins for CI/CD, Docker-based deployments 🟦 HOTEL SCRAPING ENGINE Migrated Python scrapers to Golang microservices, increasing data throughput by 50% and improving maintainability. Tech Stack: Go, concurrency, Redis, AWS CDK for IaC 🟦 GYM & FITNESS APP implemented Stripe, Cliq, and Payarc for seamless payments, resulting in a smoother billing process for the client’s users. Built membership, billing, and account endpoints using Golang, GORM, and PostgreSQL. leveraged Docker and CI/CD (Jenkins) to ensure fast and reliable deployments. 🟦 BOXES APP Developed a notifications microservice in Go with Redis Pub/Sub; added WebSocket endpoints for real-time updates. Implemented Jenkins pipelines for automated builds and tests 🟦 AI Agent Created OAuth2 flows (Facebook, Instagram, TikTok) and cron-based publishing with Golang APIs. Managed AWS Fargate tasks to scale containerized workloads 🟦 TelePQC – Post-Quantum Secure Telecom Prototype Designed and implemented a post-quantum secure communication prototype combining lattice-based key encapsulation (Kyber/NTRU) and code-based digital signatures (McEliece), grounded in Discrete Analysis and Theory of Random Coding. Applied Stochastic Methods of Informatics and Operations Research techniques to model and optimize encryption/decryption latency across simulated telecommunication networks, and partnered with academic cryptographers to benchmark against NIST PQC candidates. Keywords: post-quantum cryptography, lattice-based KEM, code-based signatures, discrete mathematics, stochastic optimization, telecom network security. 🚀

With a proven track record in crafting high-quality web applications, mobile apps, and decentralized applications (DApps), I am dedicated to elevating your digital presence and driving business growth. As a versatile Full-Stack Developer and Mobile App Specialist, I bring a wealth of expertise across the entire development spectrum, ensuring your projects are not only innovative but also secure, scalable, and performance-driven. My Expertise: 🌍 Full-Stack Development: From conceptualization to deployment, I build robust, scalable web applications using the latest JavaScript technologies and frameworks, including React, Node.js, and MongoDB. My experience spans across front-end and back-end, ensuring a seamless, end-to-end development process. 📱 Mobile App Development: Specializing in both native iOS/macOS and cross-platform app development, I deliver intuitive and responsive mobile solutions that work flawlessly across all devices. Whether it's building an app from scratch or enhancing an existing one, I prioritize user experience and advanced feature integration to keep your audience engaged. 💡 Decentralized Applications (DApps): Harnessing the power of blockchain technology, I create secure and transparent decentralized applications that align with the latest industry standards, offering innovative solutions for the future. What Sets Me Apart: 🔧 Technical Mastery: Proficient in a vast array of tools and technologies, including React, React Native, Next.js, Tailwind CSS, Node.js, Express.js, MongoDB, and cloud services like AWS, Azure, and GCP. I also excel in integrating advanced features such as payment gateways, geolocation, and social media APIs. 🎯 Client-Centered Approach: Your vision is my priority. I work closely with you, ensuring transparent communication and a collaborative process that keeps your project aligned with your goals. 🚀 Agile Methodology: Adopting agile practices, I ensure your projects remain flexible and adaptable, allowing for continuous improvements and alignment with market trends. 🛠️ Comprehensive Solutions: Whether you need a feature-rich mobile app, a responsive web application, or a cutting-edge DApp, I provide end-to-end solutions that cater to your specific business needs. Let's collaborate to transform your ideas into reality. With my commitment to quality and innovation, we can build solutions that not only meet but exceed your expectations. Reach out today, and let's start building something remarkable together.