Hire the Best Kubernetes Developers
in Sri Lanka

👋 Hey there! I'm Hansila - DevOps/Cloud Engineer | Full Stack Developer 🌟 Top Rated on Upwork with 100%+ success rate! Hi! I'm a DevOps engineer and developer who loves solving tech problems. I'm here to help your projects run smoothly without all the technical headaches. 😊 🛠️ What I can help you with: 💻 Full Stack Development I build awesome web applications using: React, Next.js, Svelte, SvelteKit for frontends FastAPI, Node.js for backends MongoDB, MySQL, PostgreSQL for data storage Keycloak, JWT for authentication 📱 Mobile App Development & Deployment Build cross-platform mobile apps using Ionic and Capacitor iOS App Store & Google Play Store publishing CI/CD automation for mobile app releases App signing, provisioning profiles, and certificates management 🚀 DevOps Skills Need to set up Kubernetes? I've got you covered! (I'm a certified Kubernetes Admin 🏆) Want to modernize your app? I'll help convert it to microservices Worried about storage? I set up and manage Ceph clusters Need better deployment? I'll create CI/CD pipelines that work like a charm ☁️ Cloud Solutions I work across AWS, Azure, and GCP (and yes, I'm certified too! 🎓) 🔍 My Approach I don't just do the work and disappear - I'm all about: Clear communication (no tech jargon unless you want it!) Being available when you need help Explaining things in a way that makes sense Building solutions that save you money in the long run 🤝 Let's Chat! Whether you need help with a small task or a big project, I'd love to hear from you. Send me a message and we can discuss how I can make your tech life easier! P.S. Check out my reviews to see what others have said about working with me! 😄

🥇TOP RATED PLUS | 👨🏻‍💻 4000+ WORKING HOURS 💼 7+ YEARS EXPERIENCE | 🏆100% Job Success ⭐️⭐️⭐️⭐️⭐️ "I had the pleasure of managing Dasun (Era), a senior software engineer, on our recent project, and I must say, it was a fantastic experience. Era's code was top-notch, well-structured, and he always delivered more than we expected. What really stood out was Era's communication skills; he kept the team in the loop, asked smart questions, and had great suggestions. Working with Era was a breeze - he was professional, met deadlines, and handled challenges with ease. I can't wait to hire him again ASAP; he's a star in our team! ⭐️⭐️⭐️⭐️⭐️"I was very happy with the work from Era on a spring web flux project. He produced code that was excellent quality and proactively fixed issues and made improvements as he worked through the tasks." I am a seasoned software engineer with over 7 years of experience, specialising in Java, Spring Boot, and REST API development. My passion lies in tackling new challenges and establishing long-lasting collaborations that drive innovation and excellence in every project. Technical Expertise: ✅ Proficient in Java, including Java 8, Java 11, Java 17. ✅ Expertise in developing web applications in the Banking and Financial domain for over the 5 years. ✅ Backend development experience with Spring Boot Spring webflux, REST API development, application security, scalability, and proficiency in Spring Data JPA, Hibernate, Spring Cloud, and Spring Security. ✅ Proficiency in Microservice design pattern with Clean code principals and Domain Driven Design and inter service async communication with Event-Driven architecture, CQRS (Command Query Responsibility Segregation), SAGA patterns, Load balancing, Config management, and Gateway implementation. ✅ Knowledge of application security best practices, including OAuth 2 implementation, JWT token-based authentication, and authorization. ✅ Experience in Test-Driven Development (TDD) and unit testing using JUnit 5 and Mockito, as well as snapshot testing with Jest and Enzyme. ✅ Familiarity with both relational and NoSQL databases, including MySQL, Oracle, PostgreSQL, MongoDB, and Amazon QLDB. ✅ Hands-on experience with AWS, including designing and implementing highly scalable and secure infrastructure plans, application deployment, and CI/CD pipelines using AWS services like CodeCommit. Proficiency in migrating on-premises applications to the AWS cloud. ✅ Expertise in DevOps practices, including CI/CD with Jenkins and GitHub Actions, containerization using Docker, terraform script development, Ansible, Container Orchestration with Kubernetes clusters and Amazon EKS (Elastic Kubernetes Service), and version control using Git. ✅ Experience in setting up monitoring and logging solutions like Prometheus, Grafana, ELK (Elasticsearch, Logstash, Kibana), or AWS CloudWatch to ensure the health and performance of applications. ✅ Understanding of distributed system concepts, including message brokers like Apache Kafka or RabbitMQ, and the implementation of distributed transactions. ✅ Expertise in optimising application performance, including profiling, caching strategies, and database query optimisation. ✅ Proficiency in modern Software Development Life Cycle (SDLC) methodologies, including Agile (SCRUM), and tools such as Jira, Confluence, and SonarQube. ✅ Mastery of Object-Oriented Programming (OOP) concepts, SOLID principles, and Data Structures & Algorithms. I have a proven track record of delivering exceptional results for my clients, including: ☑ Boosting client revenue by 30% through targeted web application improvements. ☑ Increasing code quality by 80% using best practices and the Boy Scout Rule. ☑ Mentoring junior developers to enhance their Java skills and problem-solving abilities. I am confident that my strong technical background and commitment to excellence will make me an asset to your team. If you would like to discuss how I can contribute to your next project, please don't hesitate to reach out. Thank you for considering my application, and I look forward to speaking with you soon. Best regards, Dasun.

As an expert in guiding companies to the Cloud with comprehensive DevOps solutions, I rank in the top 1% of Upwork talent. With over 8 years of experience as a Cloud DevOps Engineer and nearly 12 years in IT, I bring extensive expertise in cloud infrastructure, automation, security, and the development of highly scalable, cost-effective, and highly available systems. I specialize in DevSecOps, leading teams through research and innovation to build secure, scalable solutions. Key Expertise: Infrastructure as Code (IaC): • Terraform • CloudFormation • Ansible • Packer Containerization & Orchestrations: • Docker • Kubernetes • AWS ECS (EC2 & Fargate) • AWS EKS • Docker Hub • AWS ECR Servers: • Amazon Linux • Ubuntu • CentOS • Redhat • Windows Servers DevOps: • Docker • Kubernetes • Terraform • Jenkins • CodePipeline • CodeBuild • Github • Bitbucket • Git • TFS and many more... Amazon Web Services: • EC2 • ECS • EKS • VPC • S3 • CloudFront • ALB • RDS • Elastic Beanstalk • Lambda and many more.... System & Network: • Amazon Linux/CentOS/Ubuntu/Redhat • Windows Servers • Active Directory • OpenVPN, IPSec • Workspaces • TCP/IP and many more... Web & Databases: • Apache, Nginx, IIS, Apache Tomcat • DynamoDB • DocumentDB • Aurora RDS (MySQL, SQL Server, PostgreSQL, MariaDB) • MongoDB (Atlas & Hosted) • Redshift Compliance & Governance • WAF • AWS Well Architectured Tool • CloudTrail • Config • Systems Manager • Control Tower • AWS Compute Optimizer Analytics Tools: • ElasticSearch • Athena • Kinesis • QuickSight • Logstash • New Relic • Kibana Scripting and Automation • Bash • Python

Experienced Software Developer with 10+ years in the software industry. Proficient in requirement analysis, design, implementation, testing, and management of complex software applications. Committed to delivering enterprise level software solutions with exceptional performance driven by a passion for technical innovation, consistently creating world class software applications and products. My expertise spans across cloud infrastructure, containerization, continuous integration and deliver pipelines, and automated deployment solutions. I focus on delivering high-performance, scalable solutions, while collaborating closely with teams to foster technical innovations. ⚙️ Strong knowledge of Agile Software Development process (Scrum, Waterfall, Hybrid, Agile) and Code Review processes in projects of different scale. 🤝Team player, now how to successfully interact with architects, engineers, and product management to deliver user-friendly and visually appealing results. ⭐ Enjoy producing clean, well-written and highly efficient code on my projects. Also I’m convinced that good communication is a key for creating successful products. Key technologies: ✅ Java 8/11/15/17/21 ✅ Kotlin ✅ Python ✅ GoLang ✅ Spring Boot/Spring Cloud ✅ PostgreSQL / MySQL / MariaDB / Cassandra ✅ MongoDB /Redis ✅ Apache Kafka / RabbitMQ ✅ Keycloak/ Oauth2 / Auth0 / AWS Congito ✅ Maven / Gradle ✅ WebSocket / RSocket ✅ Docker / Podman ✅ Kubernetes ✅ Ansible ✅ Terraform ✅ CI/CD (GitLab CI, GitHub Actions) ✅ Shell Scripting ✅ RESTful APIs/GraphQL/RPC ✅ LLM / AI Agents / Claude Code Key Qualifications: ⭐ Expert understanding of any programming language and trending technology ⭐ Understand needs of company of any scale ⭐ Microservices development with even driven architecture ⭐ High-performance, maintainable and reusable code ⭐ Self-starter, hard worker, organized, attentive to details and a team player ⚙ Requirements Analysis & Solution Design ✅ Led requirement analysis sessions to capture and refine technical requirements, translating them into clear, actionable development objectives. ✅ Designed scalable backend architectures using Java and Spring Boot, implementing core application logic, business services, and data layers aligned with project requirements. ✅ Defined and established RESTful API standards to ensure seamless communication between services, enforcing best practices for reliability and performance. ⚙ Building Enterprise-Level Applications ✅ Developed and maintained complex backend services, ensuring high availability and fault tolerance, crucial for enterprise-level applications with strict uptime demands. ✅ Leveraged Spring Boot with frameworks like Spring Data JPA (with Hibernate and MyBatis) and QueryDSL to build efficient data access layers, improving data retrieval speeds and reducing latency. ⚙ Database Management & Optimization ✅ Designed relational and NoSQL database schemas using MySQL, PostgreSQL, MongoDB, and Redis, aligning data structures with application needs for optimal query performance and scalability. ✅ Conducted database performance tuning by implementing indexing, query optimization, and data sharding, improving system efficiency and reducing response times for high-traffic applications. ⭐ DevOps Integration & Deployment ✅ Orchestrated automated CI/CD pipelines using GitLab CI and GitHub Actions, achieving consistent and efficient deployment processes across development, staging, and production environments. ✅ Managed containerized application deployments on Docker and Kubernetes, improving scalability and simplifying resource management in cloud-hosted environments. ⚙ Performance Optimization & Troubleshooting ✅ Optimized backend applications for low latency and high throughput, using caching strategies with Redis and implementing efficient concurrency handling within Java. ✅ Developed comprehensive monitoring and alerting systems to proactively address and troubleshoot production issues, utilizing tools like Prometheus and Grafana to identify bottlenecks and optimize system performance. ⚙️ Key Projects: ⭐ High-Performance E-commerce Platform Backend ✅ Built a scalable backend for a high-traffic e-commerce platform, handling thousands of concurrent transactions with Java, Spring Boot, and PostgreSQL. ✅ Utilized Redis for caching to optimize data retrieval times and reduce server load, achieving a 30% improvement in page load times. ⭐ Microservices Migration for Legacy System ✅ Led the migration of a monolithic application to a Microservices architecture, improving system scalability and maintainability. ✅ Implemented an event-driven communication system using Apache Kafka for efficient inter-service communication, achieving asynchronous data processing with high reliability. ⭐ Real-Time Analytics Dashboard ✅ Developed backend services for a real-time analytics dashboard, enabling users to visualize key metrics and monitor live data.

🚀 𝗚𝗹𝗼𝗯𝗮𝗹𝗹𝘆 𝗧𝗿𝘂𝘀𝘁𝗲𝗱 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | Top Rated Plus | 8+ 𝗬𝗲𝗮𝗿𝘀 𝗼𝗳 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 My primary tech stack includes 𝗡𝗼𝗱𝗲.𝗷𝘀, 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀 (𝗡𝗲𝘅𝘁.𝗷𝘀), 𝗮𝗻𝗱 𝗧𝘆𝗽𝗲𝗦𝗰𝗿𝗶𝗽𝘁, and I architect robust systems using 𝗔𝗪𝗦 𝗦𝗲𝗿𝘃𝗲𝗿𝗹𝗲𝘀𝘀 (𝗟𝗮𝗺𝗯𝗱𝗮, 𝗗𝘆𝗻𝗮𝗺𝗼𝗗𝗕, 𝗔𝗣𝗜 𝗚𝗮𝘁𝗲𝘄𝗮𝘆), 𝗚𝗖𝗣, 𝗮𝗻𝗱 𝗙𝗶𝗿𝗲𝗯𝗮𝘀𝗲 𝗖𝗹𝗼𝘂𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁. I'm highly focused on performance, reliability, clean code, and scalable architecture. Hi, I'm Naseef. As a 𝗙𝘂𝗹𝗹‑𝗦𝘁𝗮𝗰𝗸 𝗡𝗼𝗱𝗲.𝗷𝘀 & 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿, I specialize in developing high-performance, scalable, and cloud-native applications that solve real-world business problems. With 7+ years of hands-on experience, I build everything from 𝗲𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲 𝘄𝗲𝗯 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 𝘁𝗼 𝗖𝗵𝗿𝗼𝗺𝗲 𝗘𝘅𝘁𝗲𝗻𝘀𝗶𝗼𝗻𝘀 𝗮𝗻𝗱 𝗔𝗜-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀, delivering production-ready solutions using the latest technologies. ✅ 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: - React.js (Hooks, Context API, Redux), Next.js, Angular, Vue.js - HTML5, CSS3, JavaScript (ES6/ES7), TypeScript 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: - Node.js, Express.js, Nest.js, Fastify - Google Apps Script 𝗖𝗹𝗼𝘂𝗱 & 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲: - AWS: Lambda, DynamoDB, API Gateway, S3, EC2, RDS, Cognito, Beanstalk, CloudWatch, CDK scripting - GCP & Firebase: Firestore, Cloud Functions, Cloud Storage, Firebase Auth Cloudflare: Workers, Pages, R2 - Docker, Kubernetes, GitHub Actions, Azure DevOps, Terraform, Serverless Framework 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲: - PostgreSQL, MySQL, MongoDB, DynamoDB, Redis, Supabase-io 𝗔𝗜, 𝗟𝗟𝗠𝘀 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻: - OpenAI/ChatGPT Integrations, LangChain, AWS Bedrock, Google Vertex AI - RAG systems, AI chatbots, LLM-backed automation - Scraping and automation: Puppeteer, Scrapy, Playwright, Stagehand 𝗖𝗵𝗿𝗼𝗺𝗲 𝗘𝘅𝘁𝗲𝗻𝘀𝗶𝗼𝗻𝘀 & 𝗜𝗼𝗧: - Chrome Extension Development - Raspberry Pi / Arduino-based automation & microservices 𝗧𝗼𝗼𝗹𝘀: Git, GitHub, Linux, Visual Studio Code, Postman, Figma, Jira, Trello 💡 𝗪𝗵𝘆 𝗛𝗶𝗿𝗲 𝗠𝗲? ✔ 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗩𝗲𝗿𝘀𝗮𝘁𝗶𝗹𝗶𝘁𝘆 I handle complete app development, frontend, backend, cloud, database, DevOps, and integration. ✔ 𝗖𝗹𝗼𝘂𝗱-𝗡𝗮𝘁𝗶𝘃𝗲 & 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 Expert in deploying AWS Serverless solutions and cloud applications on GCP & Firebase, using infrastructure-as-code and scalable architecture. ✔ 𝗢𝗽𝗲𝗻𝗔𝗜/𝗖𝗵𝗮𝘁𝗚𝗣𝗧 & 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 Proven ability to integrate LLM features, AI-driven workflows, and chatbot solutions using OpenAI, LangChain, and other GenAI tools. ✔ 𝗖𝗵𝗿𝗼𝗺𝗲 𝗘𝘅𝘁𝗲𝗻𝘀𝗶𝗼𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 Developed multiple Chrome extensions tailored to business and user needs with efficient APIs and cloud backends. ✔ 𝗦𝗮𝗮𝗦, 𝗘-𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 Experience building multi-tenant SaaS apps, secure payment integrations, and automated dashboards with real-time sync. ✔ 𝗧𝗲𝗮𝗺 𝗟𝗲𝗮𝗱𝗲𝗿𝘀𝗵𝗶𝗽 & 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 Capable of working independently or leading teams. Strong communication skills and a collaborative mindset using agile methodologies. ✔ 𝗖𝗹𝗲𝗮𝗻 𝗖𝗼𝗱𝗲 & 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻 I write clean, maintainable code and optimize systems for speed, stability, and cost-efficiency. 📈 𝗣𝗿𝗼𝘃𝗲𝗻 𝗥𝗲𝘀𝘂𝗹𝘁 ✅ Enterprise Dashboard – Built with React.js & AWS Lambda, boosting efficiency by 60% ✅ Chrome Extensions – Deployed productivity tools with 20K+ active users ✅ AI Document Parser – Integrated ChatGPT/LangChain, reducing manual work by 70% ✅ Serverless Migration – Shifted to AWS Lambda/DynamoDB, cutting costs by 40% ✅ Real-Time Collaboration Tool – Built with Firebase & React, improving team output by 35% ✅ SaaS Platform – Scaled on GCP & Supabase, supporting 50K+ users ✅ Next.js E-Commerce – Enhanced SEO, reducing bounce rate by 45% ✅ Automation Bot – Puppeteer + Cloudflare stack, saving 100+ hours/month 📩 Let’s build your next product with a rock-solid tech foundation Whether you're a founder, product owner, or CTO, I’ll help you deliver modern, scalable solutions with the right tools, right strategy, and real outcomes. Let’s connect! Full Stack Developer, Node.js Developer, React.js Developer, JavaScript Developer, TypeScript Developer, AWS Lambda Developer, Serverless Architecture, GCP Developer, Firebase Developer, Chrome Extension Developer, OpenAI Developer, ChatGPT Integration, AI Integration Developer, API Developer, SaaS Developer, Web Application Developer, Backend Developer, Frontend Developer, Cloud Application Developer, Next.js Developer, DevOps Engineer, Scalable Architecture #FullStackDeveloper #Nodejs #Reactjs #Nextjs #JavaScript #TypeScript #Serverless #AWSLambda #GCP #Firebase #OpenAI #ChatGPT #WebDevelopment #CloudNative #ChromeExtension #SaaS #APIIntegration #AIIntegration #SoftwareEngineer

I’m a Computer Science and Engineering graduate with First Class Honours from the University of Moratuwa, Sri Lanka. I began my career as a developer at the age of 18, and since then, I’ve successfully completed over 20 projects. With more than 5 years of experience in full stack development, I’ve built a strong foundation in modern technologies and frameworks, including: ▸ TypeScript (React, Express, Nest, Next) ▸ Java (Spring Boot) ▸ AWS (EC2, ECS, S3, Cloudfront, etc..) ▸ Terraform ▸ Flutter ▸ Git, GitHub, and version control systems ▸ CI/CD (Git Actions, Argo, Jenkins), GitOps Since starting my freelance career, I’ve worked on a variety of projects, including eCommerce applications, admin dashboards, bioinformatics tools, vehicle tracking systems, and many more. I am confident in my ability to turn design concepts into high-performing applications, ensuring both functionality and aesthetics. My strong communication skills also help in understanding client needs clearly and delivering exactly what’s expected. I’m a detail-oriented and dedicated professional who values long-term collaboration and client satisfaction. If you're looking for a reliable front-end developer to bring your ideas to life, feel free to get in touch—I'd be happy to help. Best regards, Kaveesha Dinamidu