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Delivered 𝟯𝟰,𝟬𝟬𝟬+ 𝗵𝗼𝘂𝗿𝘀 of professional services to 𝟵𝟬+ 𝗰𝗹𝗶𝗲𝗻𝘁𝘀, help them run DevSecOps Cloud infrastructure and build production-grade applications. My dual expertise in DevSecOps and software architect enables clients to benefit from both roles in a single hire. ⚙ DevOps Engineering • Built end-to-end CI/CD pipelines, automating the software delivery lifecycle. • Deployed Kubernetes clusters to support containerized applications at scale. • Automated infrastructure provisioning and configuration management using Terraform and Ansible. • Built and integrated monitoring and alerting systems to ensure reliability, performance, and proactive incident response. 🏗 Solution Architect • Architected high available, resilient, and high performance Cloud deployments across AWS, GCP, Azure. • Developed and implemented cost optimization plans on AWS cloud, helping clients stay within budget. • Designed system that compliant with security framework such as SOC2 and HIPAA. • Write code... 🌐 Web Development • Built scalable, production-grade backend services with Node.js and TypeScript • Designed RESTful and GraphQL APIs for seamless integration with web, mobile, and third-party apps. • Integrated SQL/NoSQL databases, optimized queries, and applied caching for performance. • Implemented secure authentication, authorization, and middleware to meet enterprise security needs. 📱Mobile Development: • Built cross-platform mobile applications using Flutter and Xamarin, delivering seamless user experiences across iOS and Android. • Specialized in building mobile apps integrated with BLE/IoT devices, enabling real-time connectivity and device interaction. 🙋 Why Me? • Trusted by 𝟵𝟬+ 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 • 𝟯𝟰,𝟬𝟬𝟬+ 𝗵𝗼𝘂𝗿𝘀 delivered on successful projects • 100% positive client testimonials • Recognized as Top Rated Plus Upwork in Enterprise Talent Clouds 🎖Certifications • AWS Certified - DevOps Engineer & Solution Architect • CKA Certified - Certified Kubernetes Administrator 🛠 Tools and Technologies ⚙DevOps: • Cloud: AWS, Google Cloud Platform, Azure • Containerization: Kubernetes, Docker, K3s, Rancher • Configuration Management: Terraform, Ansible, Bash • CI/CD: Jenkins, Gitlab CI, GitHub Action, Bitbucket Pipelines, Nexus, Jfrog • Monitoring: Prometheus, Loki, ELK, Datadog, Grafana • Testing: Selenium, Playwright • Code Quality and Security: SonarQube, Checkpoint, Vault • Distributed Streaming: Kafka, Zookeeper, Flink 📱Mobile Development: • Flutter: Dio, sqflite, Provider, BLoC, MobX, GetX, Mockito, Bitrise, AppCenter • Xamarin: Realm, SQLite, Flurl, Prism, ReactiveUI, Syncfusion, Telerik, NUnit ✅ Need support with cloud deployment or building your next innovative product? ✉ Let’s connect and make your ideas a reality!

More than 9 years of full-stack engineer in the software development. Involved in website, mobile applications and business analysis. I'm curious about current tech trends and developments. I've just joined Freelancer to look for any interesting project where to contribute my experience and my skills. I've worked for some startup companies so that I have experience in how to build a project from scratch and good at problems solving. Let's connect and I'm happy to have a test period without cost to prove my technical skills. What I have done in my career: - Built micro-services backend with API Gateway and OCI Functions - Developed micro-services on Kubernetes. For ex: device reading decoder, consuming decoded data for multiple purposes through MQTT, webhook... - Involved in FE development which is built under ReactJS,TypeScript, Webpack - Built mobile SDKs for clients - Designing, managing database for multiple projects, platforms - Managing scaler (HPA, Cluster Autoscaler) in K8S, setting up alarms on K8S resources and Oracle services Building CI/CD Github actions for deployments on OCI Functions and k8s - Reviewing code quality and performance Some core projects and services: - Asset and Personnel tracking: developed services to process the readings from BLE and BLE Gateways, using memory cache to reduce the requests to main DB - Energy consumption tracking: developed services to decode, collect, analyze consumption from appliances in home - Sensors: developed services to process readings from Gas, AirQuality, Noise, Smoke, ...for multiple purposes, such as Venue monitoring, Toilet tracking, Water tank monitoring, ... - Integrated with ZOOM apis for Call-Center platform - Built SIP server and SIP mobile app client for condo telecom - Built camera streaming service - Built Online Digital Wallets for non-crypto and crypto - Built a booking platform for outdoor/indoor activities

With 5 years of experience in DevOps and System Administration, I've helped startups and enterprises grow with reliable systems. How I Work: ✓ I don’t just set up infrastructure, I deliver solutions for long-term success ✓ I prioritize secure and sustainable approaches rather than taking shortcuts ✓ I communicate effectively with both technical and non-technical clients ✓ I respond quickly during incidents and stay involved until everything is fully resolved Credentials: ✓ Top Rated on Upwork with 100% Job Success Score ✓ AWS Certified Solutions Architect - Associate (SAA) My Tech Stack: ✓ Languages: JavaScript, TypeScript, Python, PHP, Java ✓ Scripting: Bash, PowerShell, Python ✓ Web Servers: Apache, NGINX, IIS ✓ Databases: MySQL, PostgreSQL, MongoDB ✓ Cloud & Infrastructure: AWS, GCP, VPS/Hosting ✓ Infrastructure as Code (IaC): Terraform, Terragrunt, Ansible ✓ Containers & Orchestration: Docker, Kubernetes, Helm ✓ CI/CD & GitOps: GitHub Actions, GitLab CI/CD, Jenkins, Argo CD ✓ Monitoring & Observability: Grafana, ELK Stack, ClickStack, Datadog, Zabbix Whether you need a fresh setup or want to improve your existing systems, I'm always ready to help. For Infrastructure: ✓ Architect secure, resilient, and cost-efficient cloud infrastructure ✓ Developed Infrastructure as Code using Terraform combined with automation tools ✓ Set up monitoring, logging, and alerting systems for full visibility For Deployment: ✓ Deploy applications to Docker, Kubernetes, or traditional Linux servers ✓ Implement CI/CD pipelines with automated testing and security validation ✓ Migrate applications across cloud and VPS/hosting environments without data loss ✓ Deploy and optimize AI applications for production environments For Ongoing Operations: ✓ Troubleshoot and resolve both infrastructure and application issues ✓ Continuously monitor system health, responding to incidents within minutes ✓ Provide long-term server maintenance, including security updates and system patching If you think I'm a good fit for your project, feel free to reach out anytime. I truly value long-term partnerships built on trust and quality.

Are you looking for a seasoned expert in cross-platform mobile app development using Flutter? Look no further! 🔧 My Expertise: I excel in crafting high-quality cross-platform mobile apps using Flutter. I am well-versed in various design patterns, including BLoC, Provider, and GetX, and I'm fluent in programming languages such as Dart, Swift, Java, Objective-C, and JavaScript. Additionally, I have extensive experience with essential mobile frameworks like In-App Purchases, Maps, Camera, and Push Notifications. 📦 Third-Party Integration: I bring a wealth of experience in integrating third-party SDKs, making your app feature-rich and interactive. Some of the SDKs I've successfully integrated include Facebook, Stripe, Google Maps, AdMob, and more. 📊 Quality and Scalability: My commitment to quality is unwavering. I create apps that are not only responsive but also rigorously tested across a wide range of devices. I pride myself on delivering well-architected, well-documented, and easily maintainable projects, ensuring that your app can grow and adapt as your company does. ✅ My Skill Set: Languages: JavaScript, Dart, Java, Swift, Objective-C Platforms: Flutter, Android, iOS Familiar with SDKs & Tools: Firebase, Stripe, Mapbox, Google Maps, Facebook, Twitter, LinkedIn, and more Environments: Proficient in Windows and MacOS Version Control and Project Management: Bitbucket, Github, Jira, Trello, and others 💼 Let's Collaborate: If you're looking for a Flutter developer who can turn your app ideas into reality, I'm ready to discuss your project and bring it to life. My commitment to excellence and a track record of successful projects make me the ideal choice for your mobile app development needs. Let's build something great together!

✅ 𝗔𝗪𝗦 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗲𝗱 𝗗𝗲𝘃𝗢𝗽𝘀 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 – 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 | ⭐ 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 | ⭐ 𝟱★ 𝗥𝗲𝘃𝗶𝗲𝘄𝘀 | ✅ 𝟭𝟬+ 𝗬𝗲𝗮𝗿𝘀 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 💬 𝙊𝙑𝙀𝙍𝙑𝙄𝙀𝙒 I help companies build scalable AWS infrastructure, deploy AI systems, and reduce cloud costs by 30–50%. If you're dealing with high AWS bills, slow deployments, or unreliable systems, I can design and implement production-ready solutions not prototypes. With 10+ years of experience and multiple certifications, I specialize in AWS DevOps, AI infrastructure, and automation for real-world systems at scale. 🚀 𝙒𝙃𝘼𝙏 𝙄 𝘿𝙊 ☁️ 𝘼𝙒𝙎 𝘿𝙀𝙑𝙊𝙋𝙎 & 𝘾𝙇𝙊𝙐𝘿 𝘼𝙍𝘾𝙃𝙄𝙏𝙀𝘾𝙏𝙐𝙍𝙀 ► Scalable infrastructure (EC2, VPC, RDS, S3, Lambda) ► CI/CD pipelines (GitHub Actions, Jenkins, CodePipeline) ► Infrastructure as Code (Terraform, CloudFormation) ► Docker & Kubernetes deployments ► Monitoring & logging (CloudWatch, Grafana) ► Security architecture & IAM management 🤖 𝘼𝙄 & 𝙇𝙇𝙈 𝙄𝙉𝙁𝙍𝘼𝙎𝙏𝙍𝙐𝘾𝙏𝙐𝙍𝙀 ► Deploy LLM apps (AWS Bedrock, OpenAI, Azure OpenAI) ► Build RAG pipelines and AI knowledge systems ► Vector databases (OpenSearch, Pinecone, pgvector, Chroma) ► Multi-agent AI systems and tool integrations 🧠 𝘼𝘿𝙑𝘼𝙉𝘾𝙀𝘿 𝘼𝙄 𝙀𝙉𝙂𝙄𝙉𝙀𝙀𝙍𝙄𝙉𝙂 ► Context Engineering (prompt design, memory, retrieval optimization) ► Harness Engineering (evaluation, testing, monitoring AI systems) ► AI workflow automation (LangChain, LlamaIndex, Step Functions) ► AI agents connected to APIs, databases, and Slack 📊 𝘿𝘼𝙏𝘼 𝙀𝙉𝙂𝙄𝙉𝙀𝙀𝙍𝙄𝙉𝙂 & 𝘼𝙐𝙏𝙊𝙈𝘼𝙏𝙄𝙊𝙉 ► Data pipelines (Glue, Athena, Spark, Airflow) ► Data lake and analytics architecture ► SQL / NoSQL systems (MySQL, PostgreSQL, DynamoDB, MongoDB) ► Reporting and analytics systems 💼 𝙀𝙓𝙋𝙀𝙍𝙄𝙀𝙉𝘾𝙀 ► Managed AWS infrastructure with $30k+/month spend (cost optimized) ► Built AI systems using AWS Bedrock + Lambda in production ► Designed CI/CD pipelines for containerized applications ► Architected data lake platforms (EMR, Glue, Athena) ► Automated DNS, infrastructure provisioning, multi-environment deployments ► Implemented IAM Identity Center for centralized access control 🧰 𝙏𝙀𝘾𝙃 𝙎𝙏𝘼𝘾𝙆 ☁️ Cloud: AWS, Azure ⚙️ DevOps: Docker, Kubernetes (EKS), ECS, Terraform, CloudFormation 🚀 CI/CD: GitHub Actions, Jenkins, AWS CodePipeline 🤖 AI/LLM: AWS Bedrock, OpenAI, Claude, LangChain, LlamaIndex, MCP, RAG, Vector Databases 📊 Data: MySQL, PostgreSQL, SQL Server, MongoDB, Redis, DynamoDB, OpenSearch 💻 Languages: Python, Bash, SQL, REST APIs 🏆 𝘾𝙀𝙍𝙏𝙄𝙁𝙄𝘾𝘼𝙏𝙄𝙊𝙉𝙎 ► AWS Certified DevOps Engineer – Professional ⭐ ► AWS Certified Solutions Architect ► AWS Certified Data Analytics – Specialty ► AWS Certified Security – Specialty ► Microsoft Azure Administrator Associate ► Cisco Certified Network Associate (CCNA) (Certificates available in Portfolio for verification) 💡 𝙒𝙃𝙔 𝘾𝙇𝙄𝙀𝙉𝙏𝙎 𝙒𝙊𝙍𝙆 𝙒𝙄𝙏𝙃 𝙈𝙀 ✔ Production-ready systems (not prototypes) ✔ Strong cost optimization mindset ✔ Clear communication and reliable delivery ✔ Fast response and problem-solving focus 💬 𝙇𝙀𝙏’𝙎 𝙏𝘼𝙇𝙆 If you need help with AWS, DevOps, or AI infrastructure, feel free to reach out. Available for long-term and short-term projects.

𝗜 𝗛𝗲𝗹𝗽 𝗙𝗼𝘂𝗻𝗱𝗲𝗿𝘀 𝗩𝗮𝗹𝗶𝗱𝗮𝘁𝗲 𝗕𝗲𝗳𝗼𝗿𝗲 𝗧𝗵𝗲𝘆 𝗕𝘂𝗶𝗹𝗱 — 𝗦𝗼 𝗧𝗵𝗲𝘆 𝗗𝗼𝗻’𝘁 𝗪𝗮𝘀𝘁𝗲 𝗧𝗶𝗺𝗲 𝗢𝗿 𝗠𝗼𝗻𝗲𝘆 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗧𝗵𝗲 𝗪𝗿𝗼𝗻𝗴 𝗣𝗿𝗼𝗱𝘂𝗰𝘁 🚫⏳ 🚫💸 🚫 Not just prototypes. 🚫 Not just demos. ✅ Real products that can grow. Over the last 7+ years, I’ve been working as a full-stack engineer and backend architect building SaaS platforms, AI tools, and automation systems for startups and product teams. 🏆 I’m also a 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 freelancer on Upwork trusted by companies across: • 🇺🇸 United States • 🇦🇺 Australia • 🇨🇦 Canada • 🇸🇬 Singapore • 🌏 Southeast Asia ━━━━━━━━━━━━━━━━━━ 🚀 𝗪𝗵𝗮𝘁 𝗜 𝗱𝗼 𝗯𝗲𝘀𝘁 I build AI-powered SaaS products and scalable platforms from idea to production. Typical journey I support: ⚡ Concept → MVP → Production → Scale Many founders reach out to me when they are building: ◆ 🤖 AI SaaS platforms ◆ 🧠 LLM-powered applications ◆ ⚙️ automation systems ◆ 🏪 SaaS marketplaces ◆ 📈 scalable startup platforms ◆ 🏢 enterprise web applications My focus is always the same: build stable systems that support real users. ━━━━━━━━━━━━━━━━━━ 🤖 𝗔𝗜 𝘀𝘆𝘀𝘁𝗲𝗺𝘀 𝗜 𝗯𝘂𝗶𝗹𝗱 ◆ 🧠 LLM applications powered by OpenAI ◆ 🔎 RAG pipelines for knowledge systems ◆ ⚡ AI automation workflows ◆ 🎯 AI recommendation & matching engines ◆ 📄 document AI and semantic search systems These are not experimental demos. They are designed for real production products. ━━━━━━━━━━━━━━━━━━ 🏗 𝗙𝘂𝗹𝗹-𝘀𝘁𝗮𝗰𝗸 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 My development philosophy is backend-first engineering. I focus on systems that are: ⚡ scalable 🧱 maintainable 🚀 high-performance 🔐 secure ━━━━━━━━━━━━━━━━━━ ⚙️ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝘀𝘁𝗮𝗰𝗸 ◆ ASP.NET Core (.NET 6+) ◆ Node.js ◆ NestJS Architecture: ◆ Clean Architecture ◆ SOLID principles ◆ Microservices systems ◆ CQRS & MediatR patterns Infrastructure: ◆ Hangfire — background processing ◆ SignalR — real-time systems Data layer: ◆ PostgreSQL ◆ SQL Server ◆ Redis caching ◆ FusionCache two-level caching Security: ◆ JWT authentication ◆ OAuth integrations ◆ Role-based authorization (RBAC) DevOps: ◆ CI/CD pipelines ◆ GitHub Actions ◆ Azure DevOps ━━━━━━━━━━━━━━━━━━ 🎨 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝘀𝘁𝗮𝗰𝗸 ⚛ React ⚡ Next.js 📘 TypeScript UI systems: ◆ TailwindCSS ◆ Material UI ◆ Ant Design Focus areas: 🚀 performance optimization 📊 SEO optimization ⚡ scalable frontend architecture ━━━━━━━━━━━━━━━━━━ 🎯 𝗪𝗵𝗲𝗿𝗲 𝗜 𝗮𝗱𝗱 𝘁𝗵𝗲 𝗺𝗼𝘀𝘁 𝘃𝗮𝗹𝘂𝗲 Many founders contact me when: ◆ their MVP is unstable ◆ their product is half-built ◆ their previous developer disappeared ◆ their system cannot scale ◆ their AI prototype needs real engineering Often the product started with tools like: ◆ v0 ◆ Lovable ◆ Replit ◆ no-code builders That’s completely fine. But when the system needs real architecture, performance, and stability, I step in to rebuild or scale it properly. ━━━━━━━━━━━━━━━━━━ 📊 𝗥𝗲𝘀𝘂𝗹𝘁𝘀 𝗜’𝘃𝗲 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 📈 SaaS platforms used by 10,000+ users ⚡ reduced API latency by 70% using Redis caching 🤖 AI automation systems saving teams 20+ hours per week 🚀 delivered startup MVPs in 4–8 weeks ━━━━━━━━━━━━━━━━━━ 𝗛𝗼𝘄 𝗜 𝘄𝗼𝗿𝗸 Clients enjoy working with me because I think like a product engineer, not just a coder. My approach: 🗣 clear and direct communication 🧠 architecture-first thinking 💰 business-driven technical decisions 💡 proactive product suggestions 📈 long-term scalability mindset ━━━━━━━━━━━━━━━━━━ 𝗜 𝗱𝗼𝗻’𝘁 𝗷𝘂𝘀𝘁 𝘄𝗿𝗶𝘁𝗲 𝗰𝗼𝗱𝗲. I design systems that support real users, real traffic, and real business growth. ━━━━━━━━━━━━━━━━━━ If you're building an AI SaaS or startup product, feel free to reach out. Send me a message with: 💡 your idea 🧱 your current progress ⚠ the biggest technical challenge you’re facing I’ll tell you honestly whether I can help and how we can move forward.