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Senior backend developer specializing in Golang and Node.js, with deep expertise in API reverse engineering, mobile app security analysis, and large-scale automation. Skilled in scalable infrastructure, load balancing, and DevOps using Docker, Kubernetes, and cloud VPS environments

I am a Senior Backend & AI Architect specializing in production-ready AI Agents (MCP, RAG, LLMs) and high-concurrency Go and Rust microservices. I bridge the gap between advanced AI capabilities and scalable enterprise infrastructure. Clients hire me when they need backend architectures that scale effortlessly, or when they want to integrate robust AI capabilities without compromising system reliability. Whether it is managing complex microservices, implementing low-latency APIs, or deploying multi-agent workflows, I deliver secure, maintainable solutions. CORE EXPERTISE: • AI Agents & LLM Integration: Building autonomous agent workflows, RAG pipelines, and Model Context Protocol (MCP) integrations using Claude, OpenAI, and local LLM environments. • High-Performance Backend Systems: Architecting scalable microservices, concurrent processing pipelines, and event-driven APIs using Go, Rust, and Node.js. • Cloud & DevOps: Orchestrating containerized workloads, managing multi-tenant deployments, and designing cost-efficient infrastructure on AWS and GCP using Docker and Kubernetes. • Database Architecture: Designing highly optimized schemas and managing data pipelines using PostgreSQL and Redis. THE AI-ACCELERATED ADVANTAGE: I leverage modern AI tooling to build and iterate rapidly, applying strict architectural oversight, code reviews, and testing to ensure production-grade security. I use AI as an engineering multiplier to ship faster while maintaining absolute code quality and reliability. WHY WORK WITH ME? I take full ownership of the architecture from idea to deployment. I focus on writing clean, maintainable code and delivering systems that perform under pressure. If I see a security risk or a bottleneck in your current approach, I will communicate it proactively and offer a better solution. Let's discuss your project requirements and build something robust.

I'm a backend-heavy full-stack engineer with **8+ years of experience** building scalable, cloud-native applications, with **6+ years specializing in Golang**. I've designed and delivered production systems across **e-commerce, crowdfunding, iGaming, social media, CRM, and SaaS**, taking products from architecture and database design to cloud infrastructure and deployment. I enjoy solving backend challenges around scalability, performance, and reliability—building systems that continue to perform as traffic and business requirements grow. ### 🔧 Backend Development I specialize in **Golang (Gin, Fiber, Mux, SQLC)** along with **Node.js** and **PHP**, building high-performance REST APIs, microservices, and backend platforms. My experience includes: * Designing scalable microservice architectures * API design and versioning * Authentication & authorization (JWT, OAuth) * Background job processing * Event-driven systems * Payment gateway integrations * Third-party API integrations * Performance optimization and profiling ### ⚙️ Distributed Systems & System Design Beyond writing code, I design systems that are reliable and scalable. My experience includes working with: * Microservices architecture * Caching strategies using Redis * Database indexing and query optimization * Load balancing and horizontal scaling * Distributed locking * Idempotent APIs * Eventual consistency * Message queues and asynchronous processing * Database replication and sharding concepts * High-availability backend services I'm also familiar with distributed systems concepts such as **CAP Theorem, Consistent Hashing, Saga Pattern, Two-Phase Commit, HyperLogLog, Bloom Filters, and rate-limiting algorithms**, and understand where these patterns are appropriate in real-world architectures. ### 🗄️ Databases I work extensively with: * PostgreSQL * MySQL * MongoDB * Redis I've designed database schemas from scratch, optimized slow queries, created indexing strategies, and built data models for high-traffic production applications. ### ☁️ Cloud Infrastructure (AWS & GCP) I build and maintain production cloud infrastructure on both AWS and GCP. **AWS** * EC2 * EKS * Lambda * S3 * RDS * VPC * Route 53 * Load Balancers * NAT Gateway * IAM * Secrets Manager * CloudWatch **GCP** * Compute Engine * GKE * Cloud Load Balancing * VPC I'm comfortable designing secure, scalable cloud environments rather than simply deploying applications. ### 🐳 DevOps My daily workflow includes: * Docker * Kubernetes * Terraform * CI/CD pipelines * Infrastructure as Code * Production deployments * Monitoring and troubleshooting * Linux server administration ### 🖥️ Frontend While backend is my primary strength, I'm comfortable delivering complete features using: * Next.js * Angular * React This allows me to own projects end-to-end when needed. ### 🛒 CMS & Integrations Experience integrating and customizing: * Shopify * WordPress * Third-party APIs * Payment providers * CRM systems ### Industries ✔️ E-commerce ✔️ Crowdfunding ✔️ iGaming / Gambling ✔️ Social Media ✔️ CRM ✔️ SaaS Clients typically hire me when they need someone who can think beyond implementation—someone who understands architecture, scalability, cloud infrastructure, and production reliability. I focus on writing maintainable code, communicating clearly, and delivering software that performs well in production, not just in development. If you're looking for a backend engineer who can help design, build, and scale your platform from day one, let's talk.

A professional golang and python backend developer who has worked on SQL and NOSQL databases along with redis cache and experience in using rabbitmq, kafka as messaging system.

⭐️ 8+ Years in Software Engineering (Golang, Python) ⭐️ Hands-on LLM/ChatGPT/RAG product development and large-scale ML hosting on AWS ECS/CDK ⭐️ Backend for global platforms serving 3M+ users/day ⭐️ CKAD, AWS Solutions Architect – Associate & AWS DevOps Engineer – Professional certified ⭐️ Strong background in microservices, cloud-native systems & real-time data pipelines ⭐️ High-impact Upwork client results with consistent 5.0 ratings 🧑‍💻 Back-End Engineering (Golang, Python) ☑️ REST, gRPC, GraphQL API design ☑️ Go frameworks: Gin, Echo, Revel, Martini, Gorilla ☑️ ORM: Gorm, go-pg | Testing: GoMega, Ginkgo, go-mock ☑️ Concurrency: goroutines, channels, worker pools ☑️ Dependency Injection: go-wire ☑️ Structured logging: zap, zerolog, logrus ☑️ GolangCI-lint contributor – deep attention to clean code and linting 🧑‍💻 Cloud & Infrastructure ☑️ AWS: Lambda, ECS, RDS, DynamoDB, S3, API Gateway, Secrets Manager, CDK ☑️ GCP: Cloud Run (standalone & GKE), Firestore, Pub/Sub ☑️ Infrastructure as Code: Terraform, Ansible ☑️ Docker, Kubernetes (CKAD), Helm ☑️ CI/CD: GitHub Actions, Jenkins, Bitbucket Pipelines 🧑‍💻 Databases & Caching ☑️ PostgreSQL, MySQL, MongoDB, DynamoDB, Firestore ☑️ Redis, Memcached, Key-vault ☑️ Neo4j (graph db), Elasticsearch (search & analytics) 🧑‍💻 DevOps, Observability, Streaming ☑️ RabbitMQ, Apache Kafka, Apache Schema Registry ☑️ Prometheus, Grafana, Datadog, AWS CloudWatch ☑️ Log pipelines: ELK (Elasticsearch, Logstash, Kibana), Filebeat 🧑‍💻 AI / GenAI / LLM Work ☑️ LangChain, ChatGPT, Retrieval-Augmented Generation (RAG) ☑️ Slack-JIRA LLM assistant (LangChain + Python + ChromaDB) ☑️ TruthWatch: Real-time YouTube AI content audit web app ☑️ Amazon-scale LLM hosting & PDP localization pipeline ☑️ Prompt engineering, LLM pipelines, context chaining 🛠 Blockchain & Decentralized Systems ☑️ Ethereum, Web3 API, ERC-20 Token Transfers ☑️ Cowswap DEX integration ☑️ Katzenpost Mixnet-based Ethereum transaction privacy router ☑️ Secure wallet interaction, order book access, token tracking

IoT Solutions Experts | Thingsboard Expert, LoRaWAN & Chirpstack | AI | MQTT | LLM I am an experienced IoT solutions developer with a strong focus on Thingsboard and Chirpstack platforms. With over 12+ years of experience in the IoT industry, I specialize in creating robust, scalable, and efficient IoT solutions that meet the diverse needs of businesses across various sectors. With a focus on crafting scalable IoT architectures and managing backends, I excel in ensuring projects surpass business objectives. My comprehensive background enables seamless integration between cloud development and physical devices, facilitating cohesive operations between firmware/hardware and cloud development teams. Core IoT Services Offered: ✅Design and Implementation of IoT Platforms (PaaS) ✅Tech Stack Evaluation and Selection for Optimized IoT Platforms ✅Strategic Consultancy in IoT for Business Enhancement ✅Development of Cloud-based IoT Solutions specializing in AWS & Azure IoT ✅Advanced Edge Computing, IoT Gateways, and Hybrid Solutions for Seamless Integration ✅End-to-End LoraWAN Solutions for Diverse IoT Applications ✅Data Analytics and Visualization for Effective IoT Data Interpretation ✅Expert Communication and Synchronization with Firmware/Hardware Teams for Efficient Device-Cloud Integrations ✅Audit and Consultancy for IoT Cybersecurity to Ensure Secure IoT Solutions ✅Professional Training on IoT for Skill Enhancement and Knowledge Sharing ✅Intelligent Infrastructure Monitoring ✅AI-based web applications ✅Smart-building Energy monitoring system ✅Full CRUD UI for Database management 🌐 IoT Solutions with LoRaWAN: As a LoRaWAN specialist and chirpstack contributor, I specialize in designing and implementing IoT solutions that leverage the LoRaWAN protocol for long-range communication. From sensor integration to network architecture design, I can help you build reliable and cost-effective IoT systems for various industries. Specialized IoT Platform Expertise: 🌟 Thingsboard – Your Ultimate IoT Solution: ✅Scalable Cloud Deployments: Mastery in deploying both Professional and Community Editions, with an eye for upgrades and scalability. ✅Integration Mastery: Seamless device management and data flow with MQTT, HTTP, LoRaWAN, and major cloud IoT cores. ✅Custom Visualization: Designing insightful, custom dashboards and widgets for comprehensive data analysis. ✅Automation & Efficiency: Crafting complex rule chains for smart, automated decision-making processes. 🌟AWS ✅AWS IoT Core, Device Management, Greengrass, Lambda, Kinesis, QuickSight, SageMaker, EC2, CloudFront, AWS RDS, AWS MSK 🌟Azure: ✅Azure IoT Hub, Device Provisioning Service (DPS), Event Hub, Azure Functions, CosmboDB, PostgreSQL 🌟 Datacake – Simplifying LoRaWAN Monitoring: ✅LoRaWAN Monitoring: Specializing in robust monitoring solutions tailored to your specific needs. 🌟 Home Assistant & Node-Red – Smart Automation & Integration: ✅Smart Home Automation: Leveraging MQTT, Zigbee2MQTT, Zwave for advanced home automation solutions. ✅Custom IoT Workflows: Designing custom integrations and flows in Node-Red for personalized IoT applications. 🌟LoRaWAN and Communication Protocols Expertise: ✅LoRaWAN Deployment & Integration: Expert deployment of LNS servers on the cloud, including Chirpstack and The Things Network, with ongoing support and maintenance. ✅Custom Solutions for Various Industries: Offering tailored decoder scripts and solutions for industries like smart cities, agriculture, and construction. ✅ MQTT (Mosquitto, EMQX, TBMQ, HiveMQ), AMQP ✅Zigbee ✅Zwave 🌟Databases: ✅InfluxDB, PostgreSQL, Cassandra 🌟Data Analytics & Scripting: ✅Powerful Analytics Tools: Utilizing Kafka, AWS Kinesis, Trendz Analytics and Power BI to derive meaningful insights from complex data sets. ✅Python Scripting & Microservices: Building scalable API solutions and microservices with a rich library of tools for IoT integration. 🏆 Why Choose Me? 1. Proven expertise in .NET Core development, LoRaWAN, and ThingsBoard. 2. Strong problem-solving skills and attention to detail. 3. Dedication to delivering high-quality solutions on time and within budget. 4. Excellent communication skills and a collaborative approach to project management. 5. Client satisfaction is my top priority - I'm committed to exceeding your expectations! 6. Custom Solutions: Tailored IoT solutions to meet specific business needs and objectives. 7. End-to-End Support: Comprehensive support from initial consultation through deployment and maintenance. 8. Innovation and Quality: Commitment to delivering high-quality, innovative solutions that drive business growth. I have been an official contributor to chirpstack for the last 10+ years and customize chirpstack for my clients Ready to take your IoT projects to the next level? Let's discuss how I can help you achieve your goals with cutting-edge IoT solutions. Feel free to reach out for a consultation or to view more detailed case studies of my work.