Hire the Best Elasticsearch Developers

Most backend engineers can write code. Fewer can architect a system that holds up at scale, survives a traffic spike, and stays observable when something breaks at 2am. That's the gap I fill. I'm a Top Rated Plus engineer on Upwork with a 100% Job Success Score across 34 contracts and 4,600+ hours — working with clients from startups to enterprises across ticketing, marketplace, gaming, and HR domains since 2011. What I actually do: I design and build production-grade backend systems in Go — from the API layer down to the infrastructure. That means event-driven microservices with Kafka or RabbitMQ, containerized deployments on Kubernetes, full CI/CD pipelines, and cloud infrastructure on AWS, GCP, DigitalOcean, or Alibaba Cloud. I don't hand you a working local demo and disappear — I deliver something that runs reliably in production, with proper observability, testing at every layer, and documentation your team can maintain. Specifically, I can help you if: — Your monolith is becoming a bottleneck and you need to decompose it into services that scale independently — You're building a new product and need a senior engineer who can own the backend architecture from day one — Your Kubernetes setup is held together with hope and tribal knowledge, and you need someone to make it solid — You need CICD that actually works — automated testing, container builds, and deployments to staging and production without manual steps Tech I work with daily: Go · PostgreSQL · Redis · Kafka · RabbitMQ · Elasticsearch · Docker · Kubernetes · Helm · Terraform · AWS · GitHub Actions · GitLab CI · gRPC · REST How I work: I ask the right questions before writing the first line of code. I communicate in plain language, not jargon. I've worked in agile teams, solo, and everything in between — I adapt to your workflow, not the other way around. And I treat your codebase like I'll be the one maintaining it, because sometimes I am. If you need a senior engineer who thinks in systems, communicates clearly, and delivers work you won't have to redo — let's talk.

Looking for a Ruby on Rails expert who delivers reliable, high-performance web applications? With 9+ years of hands-on experience, I specialize in building scalable, secure, and business-driven web solutions. I don’t just write code—I focus on understanding your product vision and turning it into a robust application that delivers real value. Here’s What I Can Do for You: Ruby on Rails Mastery: I have deep expertise in Ruby on Rails, from clean and maintainable backend architecture to seamless frontend integration. I’m comfortable handling everything—from database design and API development to complex business logic and third-party integrations. Modern Tech Stack: I work with today’s most in-demand technologies, including PostgreSQL, Redis, Sidekiq, Hotwire (Turbo & Stimulus), React, REST & GraphQL APIs, and cloud platforms like AWS. I also have strong experience with Docker, background jobs, and service-oriented architectures. Technical Leadership & Architecture: I’ve led teams, reviewed system designs, and defined technical strategies aligned with best practices. I enjoy architecting applications that are scalable, secure, and easy to maintain as your product grows. Code Quality & Mentorship: Clean code matters. I actively follow best practices, write testable code, and conduct detailed code reviews. I also enjoy mentoring junior developers and improving overall team productivity and code standards. Performance & Scalability: I help applications run faster by optimizing database queries, implementing caching strategies, improving background processing, and identifying performance bottlenecks early. Security-Focused Development: Security is never an afterthought. I follow strong practices for authentication, authorization, data protection, and compliance, while staying updated with the latest security standards and vulnerabilities. CI/CD & DevOps Practices: I have hands-on experience setting up CI/CD pipelines, automated testing, and smooth deployment workflows to ensure faster releases and reliable production environments. Why Work With Me? Client-First Mindset: I believe in clear communication, transparency, and collaboration. I work closely with clients to understand their goals, deliver on time, and stay within budget. Always Learning, Always Improving: Technology evolves fast—and so do I. I continuously upgrade my skills to bring modern, efficient, and future-ready solutions to your projects. 🚀 Let’s build something great together. If you’re looking for a dependable Ruby on Rails expert who understands both technology and business, I’d love to work on your next idea.

Are you seeking a high-agency, senior software architect to bridge traditional enterprise backends, high-throughput IoT telemetries, and cutting-edge AI-driven agent workflows? With over 20 years of software engineering experience and dual credentials as a Google Cloud Professional Cloud Architect and Professional Data Engineer, I design, build, and orchestrate robust, production-ready systems that are resilient, automated, and highly secure. From developing custom Model Context Protocol (MCP) servers to deploying isolated, ephemeral Docker sandboxes on Azure, I help mid-market to enterprise companies automate manual workflows, slash cloud costs, and build custom AI-powered applications that drive massive business value. 🌟 CORE COMPETENCIES & SERVICES 1. Autonomous AI Agents & Custom MCP Integrations • Bespoke MCP Servers: Built Node.js MCP servers enabling LLMs to run natural-language queries and secure updates directly over clinical databases. • AI Agent Sandboxing: Launched Azure platforms orchestrating isolated, ephemeral Docker sandboxes running Claude Code and Cline to process tasks via MS Teams. • Long-Term Memory: Bridged sandboxes to Segnog memory (FalkorDB graph and local Gemma embeddings) via SSE proxies, reducing latency to under 0.3 seconds. 2. Multi-Cloud Architecture, DevOps & IaC • Multi-Cloud: Deep expertise in AWS, GCP, and Azure, optimizing resources and enforcing compliance. • IaC: 100% automated provisioning and drift management using Terraform and AWS CDK for reproducible environments. • Container & CI/CD: Deployments using Kubernetes (GKE), Istio, and pipelines (GitHub Actions, CircleCI, GitLab, Bitbucket). 3. High-Throughput Backends & IoT Telemetry • IoT Backend Scale: Engineered medical IoT backends processing 1,000+ sensor records per second into AWS Timestream with real-time analytics. • Microservices Design: Building robust, highly concurrent microservices in Golang and Python (Django, FastAPI), communicating via Kafka, RabbitMQ, or NATS. • Databases & Search: Advanced query optimization and spatial architecture using PostgreSQL (with PostGIS), Cloud SQL, ElasticSearch, and Firestore. 💼 FEATURED CLIENT SUCCESS STORIES 🚀 Serverless Medical SaaS & Teams-Integrated AI Agents • Architected serverless diagnostics billing, clinical faxing, and agreement SaaS. Built TypeScript MCP servers for secure clinical queries and NanoClaw/OpenClaw AI agent sandboxes on Azure running Claude Code to process complex coding tasks. 🚀 Django Backend & Spatial Infrastructure • Engineered a Django backend deployed on GCP Cloud Run. Implemented robust credential mounting using Google Cloud Secret Manager. Developed a custom Gmail OAuth2 authentication system for verified enterprise delivery, and built a high-availability infrastructure utilizing PostGIS, Cloud Tasks, and Cloud Scheduler. 🚀 GKE Microservices for Enterprise Loyalty • Developed scalable microservices for a high-volume loyalty system using Golang and Python, deployed on GKE (Google Kubernetes Engine) with CI/CD fully automated via Bitbucket Pipelines. 🛠️ MY TECHNICAL TOOLBOX • Languages: Golang, Python, TypeScript, JavaScript, Java, C++, C#, Swift, SQL • Clouds: AWS (EC2, Lambda, Timestream), GCP (Cloud Run, GKE, GCE), Azure, Cloudflare • DevOps: Terraform, AWS CDK, Docker, Kubernetes (GKE), GitHub Actions, CircleCI, GitLab, Bitbucket Pipelines, Jenkins • Databases & Queues: PostgreSQL (PostGIS), AWS Timestream, FalkorDB, ElasticSearch, SQLite, Cloud SQL, Firestore, Kafka, NATS, Pub/Sub • AI & LLMs: Model Context Protocol (MCP), Claude Code, OpenAI and Gemini APIs, local LLMs (Llama 2, Mistral), PyTorch • Frameworks: Django, Spring Boot, React, Next.js, Stripe, ExpressJS, NestJS, GraphQL, Web Speech API 🏆 EDUCATION & ACTIVE CERTIFICATIONS • Google Cloud Professional Cloud Architect (Active) • Google Cloud Professional Data Engineer (Active) • Proctored Upwork Skill Certification in Python Development (Top Tier) • M.S. in Electronic Engineering (Game Technology) – Institut Teknologi Bandung (ITB) • B.E. in Informatics Engineering (Distributed Systems) – Institut Teknologi Bandung (ITB) • HackerRank Certified SQL Advanced • Oracle Certified Associate (Java SE 5/SE 6) 🤝 WHY COLLABORATE WITH ME? • High-Agency: I take full ownership of your architecture, security, and cloud cost optimization. • AI Native: Proven experience building real-world MCP servers and secure, containerized AI agent sandboxes. • Security First: Leveraging Secret Managers, secure VPNs, and strict IAM to safeguard user and enterprise data. • Clean Code: Domain-driven design with robust test coverage (90%+ target). Let's discuss how we can scale your infrastructure, reduce your cloud spend, or build your next custom AI workflow. Click "Invite" or "Send Message" to schedule a brief discovery call.

You built your awesome product fast with AI — and it is working. I am here to help you with the next stage: clean architecture, a proper audit, security, and getting it ready to scale for real users and real traffic — with proper deployment and monitoring in place. I am senior software engineer and architect with 10+ years building production systems. I build intelligent systems with LLMs, agents, and automation, and I use AI tools heavily to move fast. — I bring engineering depth and AI speed together. Two ways I can help: I build AI-leveraged apps with the right architecture and security from the start — fast, but solid. And if you've already built something with AI, I audit it, close the gaps, and get it to true production grade. I am a Certified Kubernetes Administrator (CKA). I'll deploy your app in Docker containers to start, and can move it to a scalable Kubernetes cluster as it grows. Backend: Go, Node.js, microservices, PostgreSQL, MongoDB, Redis, Elasticsearch, WebRTC Infrastructure & DevOps: Kubernetes, Docker, Helm, Terraform, Ansible, CI/CD (GitHub Actions, GitLab CI, Jenkins, ArgoCD), and cloud across AWS, GCP, and DigitalOcean Frontend: SvelteKit, React / React Native — Awet Other: Looking back I see that I have tested the love of God abundantly in my life ! 🤩

🚀 Is your Magento 2 store slow, buggy, or stuck on an old version? Do you need a Hyva theme or a safe upgrade without breaking checkout or losing data? You are in the right place. I am Kishan, an Adobe Certified Magento 2 developer and Hyva expert. Since 2016 I have helped ecommerce brands across the US and Europe fix, optimize, and scale their stores. I focus on what moves your business, not just code. ⭐ Adobe Certified Magento 2 Developer and Hyva Specialist ✅ 9+ years Magento focused, 100+ projects delivered 💬 "Handled complex Magento issues flawlessly, highly recommended." US client, 2025 🎯 WHAT I FIX AND BUILD 🐢 Slow Magento store? I improve real Core Web Vitals (LCP, CLS, TTFB) so pages load faster, bounce drops, and conversions rise. ⚠️ Outdated version or security risk? I run safe Magento 2.4.x upgrades with zero downtime and full data integrity. 🐞 Checkout bugs or extension conflicts? I find the root cause and fix it cleanly, no patchwork. 🎨 Need a Hyva theme or Hyva Checkout? I build fast, modern storefronts from Figma, XD, or PSD that convert better. 📦 Moving from Magento 1 to Magento 2? I migrate 100% of your data with no loss. 🛠️ MAGENTO 2 AND HYVA SERVICES ✅ Magento 2 and Adobe Commerce development ✅ Hyva theme and Hyva Checkout customization ✅ Speed optimization with Varnish, Redis, and Elasticsearch ✅ Custom module development that is scalable and easy to maintain ✅ Payment and ERP integrations (Stripe, Klarna, Adyen, Mollie, iDEAL, SAP, NetSuite) ✅ REST and GraphQL API development ✅ Headless commerce (PWA, Vue Storefront, Next.js) ✅ B2B, multi store, and multi language setups ✅ Ongoing maintenance and performance monitoring ⚡ WHY CLIENTS HIRE ME Many Magento developers break things during upgrades, ship slow messy code, or disappear mid project. I do the opposite. ✅ Clean, scalable, future proof code ✅ Safe deployment and upgrade process ✅ Fast, clear communication in your timezone (CET, GMT, EST, PST) ✅ Real, measurable performance gains ✅ AI assisted workflow for 30 to 50% faster delivery, fewer bugs, lower long term cost 🌍 GLOBAL ECOMMERCE EXPERIENCE I work with brands in the USA, UK, Netherlands, Germany, France, Italy, and Belgium. I understand GDPR and EU compliance, plus EU payment systems like Mollie, Adyen, Klarna, Stripe, iDEAL, and SEPA. 🏆 PROOF YOU CAN TRUST ✅ Adobe Certified Magento Developer ✅ 9+ years Magento and Hyva experience ✅ 100+ Magento projects delivered ✅ Strong long term client relationships and fast response ❓ NOT SURE WHAT YOU NEED YET? No problem. Send me your store URL and your issue or goal. I will reply with a clear, honest action plan, usually within a few hours. The first consultation is free. 📞 Message me now and let us fix or scale your Magento 2 and Hyva store the right way. Available for short term fixes and long term partnerships.

Looking to build a robust, scalable web application that drives business results? I partner with founders and companies to transform complex requirements into high-performance platforms and SaaS applications. As a Top-Rated expert with over a decade of experience, I bring more than just code; I bring architectural insight and a commitment to quality that ensures your project succeeds. Why Choose Me? ✅ Top-Rated Upwork freelancer with $100K+ earned. ✅ 10+ years of professional experience and a Master's in Computer Applications. ✅ Proven success leading large-scale projects (including a $73k+ team lead role). ✅ Specialized in building SaaS, E-commerce, and Marketplace platforms. My Technology Stack: Frontend: React.js, Redux, Next.js, TypeScript, and all related ecosystem. Backend: Node.js, Express.js, NestJS, REST APIs, GraphQL. Databases: PostgreSQL, MongoDB, and more. DevOps: Docker, AWS, CI/CD, Azure, Google Cloud. Ready to discuss your project? Click the "Invite" button and let's schedule a call to see how I can help you achieve your goals.