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Backend API developer specialising in performance, reliability, and Django/FastAPI systems. I recently spent 18 months building and maintaining production backend systems for DHL's global document classification platform. In that time I: - Cut API and database response times by ~50% through PostgreSQL indexing and query optimisation - Fixed a Redis concurrency failure restoring stability for worldwide teams with zero downtime - Replaced a legacy IBM Datacap pipeline with a custom OCR microservice, integrated with no workflow disruption - Served as the primary technical contact between the engineering team and DHL — ran requirement meetings, delivered documentation, and trained client staff My core stack: Python, Django REST Framework, FastAPI, PostgreSQL, Docker. What I can do for you: - Build or extend a REST API (DRF or FastAPI) - Debug and fix slow or broken backend systems - Optimize PostgreSQL queries and add targeted indexing - Automate workflows, data pipelines, and scheduled tasks - Write Python bots and API integrations - Containerize and deploy with Docker and Nginx Outside client work I maintain a live Discord bot serving an active community (30+ commands, MongoDB, Clash of Clans API) and I've shipped open-source tooling including an embedded systems project combining C++ firmware with a FastAPI backend. I ask the right questions before writing a line of code. If you have a backend problem, let's talk.

🏅 Certified Professional: Python (PCEP, PCAP) & Java (OCA) 🏆 Proven Experience: Expert in business automation solutions 💰 Results-Oriented: Focused on delivering measurable business value Skills & Expertise: • Programming Languages: Python, Java, PHP • JavaScript : React, Vue, Angular, TypeScript, jQuery • Backend Development: Django, Spring Boot, Laravel, CodeIgniter, Custom PHP • Database Management: MySQL, MSSQL, PostgreSQL, Oracle, MongoDB • Web Development: HTML, CSS, Bootstrap, Thymeleaf, Blade Templates • API Integration: JSON, XML, REST, SOAP • Reporting Tools: JasperReports • Infrastructure & Cloud: HAProxy, Spring Cloud Gateway, Microservices, Google Cloud, Azure, Docker, Kubernetes 🌟If you're seeking a dependable partner to elevate your project, let's connect and explore how I can contribute to your success. Feel free to reach out or schedule a chat!

Highly experienced developer for your needs. I have been developing web applications since 2014. I will do my best to transform your business ideas into a perfect product. I have provided customized software solutions to many local and global businesses. My key expertise in: ► Laravel/CakePHP/Codeigniter - Backend development ► Flask Python Framework/Lumen PHP Framework / Node.js - API development ► WordPress - CMS, Blog, Portals ► Scrapy/Beautifulsoup/Selenium - Web scraping ► ReactJS/jQuery JavaScript library - Frontend development ► REST/SOAP - API development and third-party API integrations ► Git - version control, bug tracking ► AWS EC2/AWS S3/AWS RDS/AWS ELB/Google Cloud - Cloud services ► CentOS/Ubuntu/Windows - Servers Over the years, I have gained the following: ► I have worked with two software development companies since 2015 and leading a team of software engineers ► Helped customers to move their legacy applications to newer technologies ► Support and Maintenance of existing applications/business solutions ► Top-quality architecture and development skills using the latest technologies ► Requirement analysis and service delivery My software development career: I started my programming career in 2010 with my bachelor's degree. I participated in ACM-ICPC Asia Regional Dhaka Site Event 2014 sponsored by IBM. I have a good knowledge of algorithms, data structures, and problem-solving. After my graduation, I joined a startup software development company where I was a Software Engineer for 3 years. Then I joined a growing software company as Senior Engineer in Web Application Department. Besides my job, I completed my Master of Computer Science (MSCS), Computer Science in 2019. And last year I have promoted to Assistant Manager(Team Lead) in Web Application Department.

I help startups, agencies, and businesses build secure, scalable, and high-performance web applications using modern technologies and AI-assisted development workflows. With strong experience in backend engineering, API development, cloud infrastructure, and frontend frameworks, I deliver clean, maintainable solutions that are fast, reliable, and production-ready. What I Can Help You With ✅ Custom Web Application Development ✅ REST API & GraphQL Development ✅ SaaS Platforms & Business Systems ✅ AI-Assisted Development & Automation ✅ Third-Party API Integrations ✅ Performance Optimization & Security Hardening ✅ Legacy System Upgrade & Modernization ✅ Cloud Deployment & DevOps Setup Backend & Web Technologies • Laravel, Django, Spring Boot, Yii2 • Express.js, NestJS • WordPress, Drupal, Magento • PHP, Python, Java, JavaScript, TypeScript • MySQL, PostgreSQL, MongoDB, Redis Frontend Development • React.js, Vue.js • Tailwind CSS, Bootstrap • Alpine.js, Livewire, HTMX Cloud & DevOps • AWS, GCP • Docker, Kubernetes • CI/CD Pipelines • Linux, Nginx, Apache API & Integrations • Stripe, PayPal • Twilio, Firebase • Slack, Zapier, Xero • REST APIs & GraphQL AI Development Workflow I actively use modern AI development tools to improve delivery speed, code quality, debugging, and architecture planning: • Cursor • Claude • ChatGPT • GitHub Copilot Why Clients Work With Me ✔ Clean, maintainable, scalable code ✔ Fast communication & reliable delivery ✔ Strong debugging and problem-solving skills ✔ Production-ready deployment experience ✔ Security-focused development approach ✔ Ability to work independently and take ownership Whether you need a custom platform, backend API, cloud deployment, or ongoing development support, I can help turn your ideas into reliable software solutions. Let’s build something great together.

Senior Python developer with 8+ years experience, competitive programming background, and 5+ production projects delivered. $100K+ earned through long-term Upwork relationships. 🛠️ Technical Expertise Backend: Python • Django • DRF • FastAPI • PostgreSQL • MongoDB • Redis • Celery • RabbitMQ • ElasticSearch • WebSockets • GeoDjango Payments: Stripe • PayPal • Amazon Payment Services • Webhooks Frontend: ReactJS • Redux • Bootstrap • Performance Optimization DevOps: Docker • CI/CD • Git • Jira • Trello • Slack • Release Management 💡 Why Work With Me? ✅ Upwork Python Certification holder ✅ Long-term client relationships with $100K+ earnings ✅ Full project ownership from architecture to deployment ✅ Business-focused planning and cost optimization ✅ Team player, flexible with timezones, fluent in Jira/Slack/git 📌 Note: JSS at 60% due to inactive contracts clients never closed—not project failures. All deliveries successful. Let's connect and I'll earn your trust through conversation. 🤝 Ready to discuss your project? Send an invitation and let's talk.

If you're dealing with millions of files, slow workflows, or systems that break under pressure, I'm the person you call. I'm Monoget — a Top Rated Python developer who specializes in automation at scale. My clients don’t hire me to write "scripts" — they hire me to build engines that handle chaos, save time, and keep working when things get big. 🔹 What I Actually Do: 🔄 Mass Automation — From crawling 2M+ records a day to processing huge batches of files with concurrency and error recovery. 🌐 Web Scraping & Data Extraction — Using rotating IPs, headless browsers, and custom logic to get data where others fail. ☁️ Cloud & API Integration — AWS (S3, Lambda), Google Sheets API, IIIF, custom REST APIs — full data pipelines, end to end. 📊 Metadata Handling — Parsing, transforming, and syncing structured data at scale. 🔹 Tools I Use (Fluently): Python (requests, asyncio, aiohttp, Selenium) AWS S3, Google Sheets API, IIIF Proxy management, VPNs, Surfshark setups Concurrency, error logging, retries, performance tuning ✅ Why Clients Keep Hiring Me: I build systems, not just code I handle scale and reliability I move fast and communicate clearly I can reverse-engineer, automate, and optimize nearly any repeatable process If you're serious about automating something painful, scaling a messy process, or getting reliable data from tough sources — let's talk. I don’t take every project. But if it’s challenging, high-impact, and you need it done right, I’m in. Kind Regards, Monoget Saha