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I'm a Software Engineer having more than 10 years of experience with strong knowledge of PHP, MySQL, and Javascript. I have a wide range of experience working with frameworks- ✔Laravel (4.2, 5.*, 6.*, 7.*, 8.*, 9.*), ✔CakePHP, ✔ReactJS, ✔VueJS, *Also in modern technologies* - ✔Redux, ✔API Development in the API's - ✔Google, ✔Facebook, ✔Stripe. ✔Betsoon, ✔Score24 ✔Enetpulse Patterns, principles like ✔DRY ✔SOLID ✔KISS ✔Dependency Inversion Principle ✔Single Responsibility Principle ✔Open Closed Design Principle ✔YAGNI ✔Repository Pattern ✔Abstract Factory Design Pattern ✔Builder Design Pattern ✔Factory Method Design Pattern ✔Object Pool Design Pattern ✔Prototype Design Pattern ✔Singleton Design Pattern ✔Facade Design Pattern I have advanced knowledge of OOP paradigm, ability to write a well formed, complete and highly customizable code, and design complex databases. I also have much practice working with GIT. I am also good in Physics as I have finished Physics department, and any complex logic is not problem for me, so you are welcome.

I am an Upwork Expert-Vetted and TOP RATED PLUS Senior Backend Engineer, PHP Developer, API Architect, and DevOps Specialist with nearly 15 years of experience building scalable backend systems, cloud infrastructure, and high-performance web applications. I have completed 15000+ hours on Upwork with consistent 5-star reviews, working with startups, SaaS companies, and enterprise clients to design reliable, secure, and cost-effective server environments. My primary focus is backend engineering, distributed systems, API development, cloud architecture, and infrastructure automation. I specialize in building scalable server-side applications using PHP, Laravel, Python, Django, Flask, and modern backend frameworks. I work extensively with REST APIs, GraphQL, microservices, authentication systems, event-driven architecture, queue-based processing, and high-load backend systems. I help businesses design backend infrastructures that are optimized for performance, scalability, maintainability, and long-term growth. -Core Backend & Server-Side Expertise * PHP, Laravel, Symfony, custom backend frameworks * Python, Django, Flask, FastAPI * REST API development, GraphQL APIs, webhook systems * Backend architecture, microservices, service-oriented design * Authentication systems (JWT, OAuth2, RBAC, SSO) * Queue systems, background jobs, cron workers, async processing * Database optimization, caching layers, API performance tuning * SaaS architecture and multi-tenant backend systems - AI & Intelligent Backend Integrations * OpenAI, GPT-3, GPT-4, ChatGPT integrations * DALL·E and AI-generated media workflows * Machine Learning pipelines * OCR, document processing, object recognition * AI automation workflows and intelligent data processing - Cloud Infrastructure & AWS Expertise * AWS EC2, Lambda, API Gateway, CloudFront * S3, RDS, Route53, VPC, IAM, Cognito * CloudWatch, SES, SQS, SNS, Elasticsearch * Elastic Beanstalk, ElastiCache, CloudFormation * Scalable cloud-native backend deployment - DevOps & Infrastructure Engineering * Docker, Kubernetes, Jenkins, Ansible * CI/CD pipelines (GitHub Actions, GitLab CI, AWS CodePipeline, Azure DevOps, Bitbucket Pipelines) * Infrastructure automation and deployment workflows * Linux server administration and environment provisioning * Performance monitoring, logging, observability, failover strategies - Databases & Performance Optimization * PostgreSQL, MySQL, MongoDB, Redis * Query optimization, indexing, replication * Redis, Memcached, Varnish, custom caching systems * High-performance backend tuning and bottleneck analysis - Backend Engineering Philosophy I specialize in designing backend systems that are not only functional but also scalable, maintainable, and production-ready. My experience includes server architecture planning, API ecosystems, distributed backend logic, queue processing, DevOps pipelines, and cloud-native infrastructure. I have been leading technical teams and delivering complex backend solutions since 2008. Beyond coding, I provide technical consulting, architectural guidance, and infrastructure planning to ensure projects are built correctly from the beginning. I constantly stay up to date with backend engineering trends, cloud technologies, AI integrations, and DevOps practices to ensure I deliver modern, future-proof solutions. - Additional Technologies * Angular, Backbone.js, jQuery * HTML5, CSS3, SASS * Linux administration and server hardening * Security best practices, monitoring, and optimization * Payment APIs, third-party integrations, webhook systems If you are looking for a senior backend engineer who can architect APIs, optimize infrastructure, build scalable server environments, and deliver enterprise-grade backend systems, I’d be happy to discuss your project.

With over 15 years of experience in web development, I am committed to delivering efficient, high-quality solutions tailored to your needs. I specialize in creating PHP and SQL-driven e-commerce websites, data analysis applications, and offer expertise in HTML/CSS, template coding, and various PHP frameworks such as Laravel, Codeigniter, Symfony etc. I'm also proficient with CMS platforms like WordPress, Magento, OpenCart, WooCommerce. As a developer who values thorough communication, I ensure every project is executed successfully and within the agreed timeframe. I have extensive experience in API integration and development, and I'm skilled at designing and optimizing SQL databases (PostgreSQL, MySQL). I thrive on solving complex bugs and issues, viewing each challenge as an opportunity to deliver excellent results. I also enjoy roles in project management, focusing on aligning technical capabilities with business goals. Let's collaborate to bring your vision to life with a reliable, dedicated partner you can trust for your long-term projects. Feel free to check my job history for feedback from satisfied clients. Laravel expert, laravel developer, php expert, php backend developer, api developer, performance improvement, queries optimization, php development, api developmnet, bugs fixing, debugging

5+ years in web (front-end) development, and more specific areas of it: - Browser Extensions I work quite a lot with deeper-level concepts, such as `WeakMap`s, `MutationObserver`s, etc, and read web specs and browser source code regularly. - WebRTC, networks, censorship circumvention - Privacy and security I pay a great deal of attention to these things, and in today's world of trackers and data breaches it's my biggest focus and passion. As an example, I reported a couple of security vulnerabilities I found in some quite popular pieces of software, you can see one on my GitHub profile. - CRDTs (Yjs, Automerge, Loro) — P2P applications - Graphics: Canvas, SVG - Web Audio API — audio processing I love non-trivial tasks and cool ideas, so I'm also open to projects involving Rust, Go, Python, or maybe even something I've never heard of before. For example, I loved working on Terser (JS minifier); the Snowflake censorship circumvention network; and of course the Jump Cutter extension, which was like an unpaid full-time job for more than a year. Now the extension has over 15 000 users, and I'm really proud of it. My head is always full of ideas and dreams, and, if I like your project, I'll put my heart into it.