Backend architecture best practices for scalable, maintainable, and secure systems — clean architecture, API design, scaling, caching, DevOps, observability, and security patterns.
Clean code principles for modern developers — readability, naming, functions, SOLID, error handling, testing, refactoring, and maintainable architecture with practical checklists.
DevOps for full stack developers — CI/CD pipelines, Docker, Kubernetes, cloud deployment, monitoring, infrastructure as code, and production-ready practices.
A complete full stack roadmap covering frontend, backend, databases, APIs, DevOps, cloud, system design, and security — with a practical learning path.
A practical full stack guide for 2026 — modern frontend and backend, databases, APIs, DevOps, cloud, security, and performance with a clear roadmap.
Step-by-step SaaS build guide — architecture, multi-tenancy, authentication, billing/subscriptions, database design, APIs, DevOps, scaling, and monitoring.
How to scale web apps using clean architecture, database optimization, caching, microservices, DevOps, and cloud strategies for production systems.
REST API design best practices — resource modeling, HTTP methods/status codes, pagination, filtering, auth, validation, versioning, idempotency, and docs.
A complete comparison of microservices vs monolith — pros/cons, scalability trade-offs, DevOps impact, and when to choose each architecture.
Production Node.js backend architecture — clean architecture, REST design, scaling databases, Redis caching, queues, observability, security, CI/CD, and deploy patterns.
Best practices for building scalable, maintainable, production-ready systems — clean architecture, code quality, DevOps, testing, system design, security, and team workflows.
Why Sri Lankan developers are recognized for high-quality engineering — education, global collaboration, cost-effective excellence, and the local IT ecosystem.
A complete system design guide — scalable architecture, load balancing, caching, database scaling, microservices, DevOps, cloud infrastructure, and production best practices.
A structured system design interview framework — scalability, databases, caching, load balancing, APIs, microservices, trade-offs, and interview strategies.
A criteria-driven guide to evaluating top Sri Lankan full stack engineers — what to look for, how to assess, and how to hire effectively.
Looking to hire a backend developer in Sri Lanka? Learn how to evaluate backend expertise, scalability experience, API design skills, and cloud architecture knowledge.
Hire a remote backend developer serving startups and enterprises across the USA, UK, Europe, and Australia. Scalable API systems, cloud-native architecture, and production-ready engineering.
Why startups choose remote software engineers for backend architecture, MVP development, and scalable SaaS systems. A founder-focused hiring guide.
A complete guide to hiring a full stack developer in Sri Lanka — skills to evaluate, technical stack expectations, salary benchmarks, and remote collaboration strategies.
Looking to hire a Node.js developer in Sri Lanka? Learn how to evaluate API architecture skills, scalability expertise, and production-level backend engineering.
Sandaruwan Jayasundara is a Software Engineer based in Sri Lanka specializing in backend architecture, scalable systems, full stack development, and cloud-native applications.
Looking to hire an AI Engineer in Sri Lanka? Learn what applied AI engineering means in production and how to evaluate LangChain, RAG, and LLM application skills.
A practical guide to production-grade retrieval-augmented generation systems: chunking, embeddings, vector search, grounding, and evaluation with LangChain.
Looking to hire a React or Next.js developer in Sri Lanka? Learn how to evaluate frontend architecture, rendering strategy, and performance engineering skills.
Looking to hire a Spring Boot developer in Sri Lanka? Learn how to evaluate Java backend expertise, microservices architecture, and enterprise engineering discipline.
Project structure, middleware design, centralized error handling, validation, and production readiness for Node.js and Express APIs.
A practical guide to schema design, normalization trade-offs, indexing strategy, read replicas, and choosing between SQL and NoSQL.
A founder-focused guide to what to build first, what to defer, and how to scale an MVP into a production SaaS product without a costly rebuild.
When a VPS is enough, when to move to AWS, and how to design cloud infrastructure with CI/CD from day one.
DDoS protection, WAF rules, rate limiting, bot management, and security headers for production web applications.
Case study on Audience Craft AI, a text-to-SQL AI system that finds accurate audience targeting segments from a proprietary dataset and launches matched campaigns across Meta, TikTok, and Google.
Case study on ATS AI, an AI-driven applicant tracking system that parses and ranks CVs, schedules interviews, assigns tasks, and exposes its matching engine via a Trade Desk API.
