Hire the Best Microservices Developers
in Bangladesh

🚀 Full-Stack Developer | Web, Mobile & API Solutions I help businesses build scalable web and mobile applications using modern frameworks like React.js, Next.js, React Native, Node.js, Express.js, FastAPI, and Django. With expertise in JavaScript, TypeScript, and Python, I deliver high-performance solutions tailored to your needs. 🔹 Backend & APIs: Node.js, Express, FastAPI, Django, REST, GraphQL, JWT/Auth, Microservices, SwaggerUI 🔹 Frontend & UI: React.js, Next.js, React Native, GSAP, Lenis animations, SEO-friendly web apps 🔹 Databases: PostgreSQL, MongoDB, Prisma, Mongoose, ORM, SQL/DBMS concepts 🔹 Cloud & DevOps: AWS, Docker, Linux, Nginx, CI/CD pipelines 🔹 Software Practices: Software Design, Scalable Architecture, Secure Authentication, Testing 💡 I’ve worked with startups, SaaS products, and eCommerce businesses, helping them scale their apps and optimize performance. ✅ What you get: Clean, maintainable, and scalable code Fast & responsive UI/UX Secure authentication & API integration Reliable deployments with CI/CD Let’s bring your idea to life 🚀

With 10+ years of experience as a Senior Engineer and Technical Team Lead, I specialize in driving large-scale enterprise applications through Agile best practices. I provide a strong ownership mentality and clear communication, having successfully led 10+ enterprise projects from initial development to production handover and client delivery. My expertise covers .NET, React, Blazor, Rust, and Python using Microservices and Clean Architecture with Postgres and MongoDB. I manage Azure and AWS cloud environments daily, integrating advanced AI via LangChain and Semantic Kernel alongside complex APIs like Salesforce, QuickBooks, Xero, and Microsoft Graph. ✔️ Industry Experience Banking | Fintech | Audit | Workflow Automation | Accounting and Tax Related App | Custom Business Solution | CRM | Lead Management | Business Web App ✔️Programming Languages C# (.NET 8/9) | Rust | Python | TypeScript | JavaScript | C++ | SQL ✔️Backend Technologies & Frameworks ASP.NET Core (Web API & Microservices) | Actix | Rocket | ExpressJS | NextJS | .NET Framework | WinForms | FastAPI | Django | CLI Tools Development ✔️Frontend Technologies & Framework React | Next.js | Blazor (WASM & Server) | Angular | jQuery | Bootstrap | Tailwind CSS | Figma to Code ✔️Cloud & Managed Servers Azure | AWS | Windows Server | Linux Server | Docker | Kubernetes (K8s) | Helm | Containerization ✔️CI/CD & DevOps Automation Azure DevOps | GitHub Actions | GitHub CI | Jenkins | Terraform (IaC) | GitOps | Infrastructure as Code | Release Management ✔️Cloud Services Azure App Service | Azure Blob Storage | Azure Bot Service | Azure Notification Service | Azure OpenAI | Azure AI Search | AWS EC2 | AWS Elastic Beanstalk | AWS S3 | AWS SES | AWS Security | Azure Managed Database ✔️Database Microsoft SQL Server | PostgreSQL | Azure Cosmos DB | MongoDB | MySQL | Oracle | Vector Databases (Pinecone | Milvus | Weaviate) ✔️Authentication & Authorization OpenIDConnect | OAuth 2.0 | Microsoft Entra / Azure AD + B2C | OpenIddict + Identity Server | Keycloak | Auth0 | Okta | IAM Security ✔️Background Services & Jobs ASP.NET Core Hosted Services | Hangfire | Quartz.NET | Celery | Rust Background Job | Windows Service Background Jobs ✔️Caching Redis (Distributed Caching) | Memcached | In-Memory Caching for Single Instance ✔️AI Development & Agentic Workflows LangChain | Semantic Kernel | LangGraph | CrewAI | AutoGen | LlamaIndex | MCP Server | RAG Pipelines | Multi-agent Orchestrator | n8n | VAPI (Voice AI) | Generative AI ✔️AI-Powered Development & Productivity (Vibe Coding) Cursor | GitHub Copilot | Claude API | Antigravity | OpenAI API | Gemini API | Mistral API | AI-Assisted Architecture ✔️Development & Project Management Tools Azure DevOps | Jira | Trello | Slack | Postman | Swagger (OpenAPI) | Git | GitHub | Bitbucket | Confluence If you find my skillset good enough for you expectation then hit invite button and discuss further more.

I am a Cloud & DevOps Engineer with 5+ years of experience in building and managing scalable, secure, and automated infrastructures across AWS, GCP, Azure, and Proxmox. My expertise lies in container orchestration, CI/CD automation, cloud-native development, and infrastructure-as-code, helping organizations achieve faster delivery and improved reliability.

Java & Spring Boot Architect | AI-Powered Backend Systems | 14+ Years Experience I am a Java & Spring Boot architect with 14+ years of hands-on experience building production-grade enterprise systems — from core banking platforms to AI-integrated microservices. I hold a BSc in Computer Science & Technology and now work as a dedicated full-time freelancer on Upwork, bringing the same rigour I applied in large fintech institutions directly to client projects. My core expertise spans Spring Boot, Spring Framework, and microservices architecture, with deep practical knowledge of SSO & Keycloak, Docker, DevOps pipelines, and GitLab CI/CD. I design systems that are secure, observable, and built to scale — whether that means integrating Kafka for event-driven flows, Flowable BPMN for workflow automation, or AWS for cloud infrastructure. Over the past year I have been heavily invested in the AI/LLM frontier: building Spring AI applications, wiring up MCP (Model Context Protocol) servers, running local models via Ollama, and implementing advanced patterns like tool calling, RAG pipelines, and AI agent workflows. I see AI not as a separate layer but as a first-class citizen inside enterprise Java backends. If you need someone who understands both the old-school reliability of enterprise Java and the new possibilities of AI-augmented architecture — let's talk. CORE STACK: Java · Spring Boot · Spring Framework · Microservices · REST API · Keycloak/SSO · Docker · GitLab CI/CD · DevOps · Kafka · Flowable BPMN · Oracle · PostgreSQL · AWS · Angular AI & EMERGING TECH: Spring AI · MCP · Ollama · Tool Calling · AI Agents · RAG Pipelines · pgvector · LLM Integration · OpenAI API · Prompt Engineering DOMAINS: Banking & Fintech · SWIFT/ISO 8583 · AML/CFT Compliance · NPSB/RTGS · ATM Switch · eKYC · Healthcare/EMR · Document Management

Built backend automation platforms processing 1M+ webhook events per month and integrating services such as Shopify, Google Sheets, Mailchimp, Twilio, and custom APIs. I help startups and SaaS companies automate workflows, synchronize data between platforms, and build scalable backend systems using Laravel, Node.js, PostgreSQL, Redis, and modern cloud infrastructure. With 10+ years of software development experience, I specialize in API integrations, webhook processing, queue-based architectures, and business automation systems that operate reliably at scale. 𝐖𝐇𝐀𝐓 𝐈 𝐃𝐎 𝐒𝐚𝐚𝐒 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐀𝐏𝐈 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 ● Laravel, Node.js (NestJS, Express) backend architecture ● Scalable REST APIs & secure backend systems ● Queue systems, retries, idempotency, and fault-tolerant processing ● Multi-tenant SaaS backend infrastructure ● Event-driven systems and webhook processing 𝐀𝐏𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 ● Stripe, Twilio, Google APIs, Meta APIs ● OAuth2 authentication & secure integrations ● Workflow automation and business process automation ● Multi-service data synchronization and API orchestration ● CRM and operational automation systems 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐖𝐨𝐫𝐤𝐟𝐥𝐨𝐰𝐬 ● AI-assisted workflow automation ● OpenAI integrations and AI-powered backend features ● OCR / image-to-text processing pipelines ● AI summarization and intelligent data processing ● Automation systems integrating AI models with business workflows 𝐂𝐨𝐦𝐩𝐥𝐞𝐱 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 ● Fintech workflows and transactional systems ● ERP and OTA (booking platform) backend systems ● Custom eCommerce backend architecture ● Scalable webhook-driven event systems ● High-volume asynchronous processing systems 𝐑𝐄𝐀𝐋 𝐏𝐑𝐎𝐉𝐄𝐂𝐓 𝐄𝐗𝐏𝐄𝐑𝐈𝐄𝐍𝐂𝐄 ● Built webhook orchestration systems processing 1M+ events/month ● Developed scalable API integration platforms with dynamic credentials ● Built queue-based systems with retries and reliable event processing ● Developed automation workflows reducing manual operations ● Built backend systems for SaaS, fintech, eCommerce, and workflow platforms 𝐒𝐄𝐋𝐄𝐂𝐓𝐄𝐃 𝐏𝐑𝐎𝐉𝐄𝐂𝐓 𝐓𝐘𝐏𝐄𝐒 ● Shopify Workflow Automation Platforms ● AI-Powered Automation Systems ● CRM & Lead Pipeline Automation ● Fintech Rewards & Cashback Platforms ● API Integration & Webhook Infrastructure ● SaaS Backend Platforms ● Custom Business Automation Tools 𝐇𝐎𝐖 𝐈 𝐖𝐎𝐑𝐊 I approach projects as systems, not isolated features. ● Analyze system flows, bottlenecks, and scalability requirements ● Design clean backend architecture for long-term maintainability ● Build reliable APIs, automations, and event-driven workflows ● Focus on stability, performance, and operational reliability ● Deliver solutions that scale with business growth 𝐂𝐎𝐑𝐄 𝐓𝐄𝐂𝐇𝐍𝐎𝐋𝐎𝐆𝐈𝐄𝐒 Backend: Laravel, Node.js, NestJS, Express.js, PHP, TypeScript, JavaScript Databases & Infrastructure: PostgreSQL, MySQL, Redis, MongoDB, Supabase Automation & AI: OpenAI, LangChain, n8n, AI workflows, OCR pipelines Integrations: Stripe, Twilio, Webhooks, OAuth2 APIs, Third-Party Services Cloud & DevOps: AWS, Docker, CI/CD, Git, Microservices Frontend (when needed): React.js, Next.js If you're building a SaaS platform, automation system, API-heavy product, or AI-integrated workflow, I can help you architect and build a reliable backend foundation that scales properly as your business grows. Laravel Developer | PHP Developer | API Integration | REST API | Webhook Development | OAuth2 | Backend Development | SaaS Development | Workflow Automation | Node.js Developer | Express.js | NestJS | PostgreSQL | MySQL | Redis | Queue Systems | Twilio API | Stripe API | OpenAI Integration | CRM Integration | Event-Driven Systems | Docker | AWS

🚀 AWS DevOps & Backend Engineer | 17 Yrs | $400K+ Delivered | 100% Job Success Seventeen years in software. Nine of them were deep in AWS and infrastructure work. I'm an AWS Community Builder with all 12 AWS certifications and Terraform certified. But honestly, what matters is the work. Nearly $500K, almost 150 Upwork projects, 100% Job Success, Top Rated. That happens because I focus on what clients actually need. ✅ What You Get - AWS architecture that scales to enterprise demands without breaking at 10K users - Infrastructure as Code that makes deployments repeatable and predictable - CI/CD pipelines cutting deployment time by up to 90% - Backend systems handling complex business logic reliably - Cloud migrations done right, not just lift-and-shift chaos - Documentation and clean handoffs, not cryptic disappearing acts - Systems running at 99.9% uptime consistently - Full compliance support: PCI, HIPAA, SOC2, security hardening 🏢 Past Clients: South River Mortgage, SocialHP, Trinax Singapore. Nearly 150 projects delivered across startups to enterprise at 100% Job Success. 🎯 Why Hire Me I don't just grab requirements and start coding. Look, I ask what's actually constraining you. Timeline? Budget? What's your team capable of right now? Where do you want to be in two years? That conversation matters. It helps me pick the right tool instead of just the flashy one on a resume. Saves money. Saves headaches. I work with bootstrapped startups and established enterprises. The real magic happens when people actually talk. You won't get someone who disappears when requirements shift. Responsive, transparent, adjusts without drama. 🏗️ Infrastructure and Cloud - Architecture from scratch, multi-region and disaster recovery designs - Infrastructure as Code: Terraform, CloudFormation, CDK - CI/CD pipelines: GitHub Actions, CodePipeline, Jenkins - Containers: ECS, EKS, Docker, Kubernetes - High availability, compliance (PCI, HIPAA, SOC2), security hardening - Monitoring and observability: CloudWatch, Prometheus, ELK Stack - Cloud migrations and cost optimization strategies 💻 Backend Systems - 7+ years with Laravel, full ecosystem: Jetstream, Passport, Cashier, Nova, Spark - Multi-tenant SaaS platforms, ERP systems, CRM platforms from the ground up - Modern stacks: TALL, TIL - Payment integrations: Stripe, PayPal, Paddle - Queues: Redis, SQS, RabbitMQ - Search: Elasticsearch, Algolia - Microservices and APIs - Secondary languages: PHP, Golang, Python, Node.js - Deployment: Vapor, Forge, Envoyer 📊 Real Results One client had deployments that took forever. We built out CI/CD properly and cut it by 90%. Another client? AWS bill was out of control. Did an architecture review and dropped costs 30-35%. There was a legacy monolith somewhere else. Needed serious work. Performance improved 70-90% after we dug in. The systems I build stay at 99.9% uptime. 📋 Certifications AWS IQ Expert. All 12 AWS certifications: Solutions Architect Professional, DevOps Professional, Security Specialty, Advanced Networking Specialty, Machine Learning Specialty, Data Analytics Specialty, Database Specialty, SAP Specialty, SysOps Admin Associate, Developer Associate, Solutions Architect Associate, Cloud Practitioner. Terraform certified. Scrum certified. 🔍 Free 15-Min Audit Got an existing system limping along? Or a new project you want to start right? I do free 15-minute calls. Look at your setup, give honest feedback on where things stand. No pitch. No obligation. New project that needs someone who moves fast without being sloppy? Or something existing that actually needs real attention? Tell me what you're building. Let's figure out if we're a good fit. --- AWS DevOps | AWS Solutions Architect | Infrastructure as Code | Terraform | CI/CD | Kubernetes | ECS | EKS | Docker | Cloud Migrations | Cost Optimization | SaaS Architecture | Multi-tenant Systems | High Availability | Disaster Recovery | Laravel | Stripe | Payment Systems | Monitoring | Observability | Security Hardening | PCI HIPAA SOC2 | Microservices | API Development