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© 2026 Md Roknuzzaman

Software Engineer

    Software Engineer

    I build scalable systems with Node.js, TypeScript, and Kubernetes

    3+ years specializing in backend APIs, multi-tenant architecture, and infrastructure automation. Currently helping companies reduce deployment time and infrastructure costs.

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    Featured Work

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    Circle: Service & Appointment Management System
    Professional-grade appointment scheduling and real-time queue management platform with staff orchestration.
    Next.jsExpressPostgreSQLSequelizeFull-stack
    January 28, 2026
    Cert-Man: Automated SSL Certificate Management
    SSL Certificate generator and renewal system for multi-tenant SaaS applications with Let's Encrypt integration.
    Node.jsExpressLet's EncryptKubernetesPostgreSQLDocker
    January 28, 2025
    Ouiskill: AI-Powered Skill Development
    Multi-tenant learning platform featuring AI-integrated content recommendations and white-label support.
    Node.jsTypeScriptPostgreSQLVue.jsReact NativeAI
    November 15, 2024

    Experience

    Software Engineer
    Annon IT (Remote)
    Dec 2022 - Present
    • Design and develop backend APIs using Node.js, TypeScript, and Express.js for multiple client projects
    • Migrated deployment infrastructure from traditional VPS to managed Kubernetes, reducing deployment time from hours to minutes
    • Built custom SSL certificate automation tool using Let's Encrypt, eliminating $500+/month in certificate management costs
    • Implemented multi-tenant architecture with custom domain support, handling SSL provisioning and renewal automatically
    • Mentor 2 junior developers on code quality, Git workflows, and backend architecture patterns
    • Configure and maintain Apache APISIX API Gateway for microservices routing and authentication
    • Develop responsive frontends using React and TailwindCSS, and mobile apps with React Native

    Technical Skills

    Frontend

    ReactNext.jsTailwindCSSReact NativeVue.jsReduxHTML5CSS3

    Backend

    Node.jsTypeScriptExpress.jsPostgreSQLMySQLSequelizeTypeORMGraphQLPythonGo

    Tools & Technologies

    KubernetesDockerAWSTerraformCI/CDGitRedisApache APISIXNginxLinux

    Education

    BSc. in Electronics and Telecommunication Engineering (ETE)
    Daffodil International University, Dhaka, Bangladesh
    2015 - 2019

    Recent Writing

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    Kubernetes Security Best Practices
    Essential security practices for hardening your Kubernetes clusters and protecting your workloads
    KubernetesSecurityDevSecOpsBest Practices
    February 15, 2024By Backend/DevOps Engineer
    Building Resilient Microservices
    Best practices and patterns for building fault-tolerant microservices that can handle failures gracefully
    MicroservicesArchitectureResilienceBest Practices
    January 20, 2024By Backend/DevOps Engineer

    Let's work together

    I'm currently available for new projects and opportunities. Whether you need help with backend architecture or DevOps automation, I'd love to hear from you.

    Send a Message
    I'm currently open to new opportunities and collaborations.