Portfolio of Vignesh Sathiyanarayanan: full-stack development, Java Spring Boot microservices, Shopify engineering, PHP/Laravel, WordPress, Flutter mobile apps, API integration, OWASP security practices, Playwright automation testing, Ubuntu server management, Zimbra mail solutions, DevOps automation and cloud infrastructure for business-ready digital products.
Vignesh Sathiyanarayanan is a Senior Full-Stack, DevOps and Infrastructure Engineer focused on reliable product development, clean user experience, secure deployment, and maintainable systems for businesses that need professional digital execution.
I build production-minded digital products that combine clean UI/UX, strong backend architecture, secure APIs, automated QA, CI/CD pipelines and search-ready implementation. The focus is not only to launch a website, but to create a reliable system that can scale, rank, convert and be maintained by real teams.
Custom Shopify theme development, Liquid customization, product experience improvements, storefront/API integration, checkout-support workflows and performance-focused eCommerce implementation for real business operations.
Laravel, PHP, WordPress and Java Spring Boot solutions with structured backend logic, admin workflows, API layers, database-driven modules and maintainable code patterns suited for growing products.
RESTful API design, modular service boundaries, DTO/entity structure, validation, database integration and microservice-ready backend foundations for scalable product features.
Practical security improvements around validation, authentication, access control and data handling, combined with Playwright automation for smoke, regression and end-to-end browser testing.
Requirement discovery, feature breakdown, sprint-ready implementation, release coordination and continuous improvement practices that connect business goals with technical delivery.
Code quality visibility, maintainability checks, Jenkins pipeline scripts, build automation, deployment steps and repeatable CI/CD practices that reduce manual release risk.
User-focused interfaces, responsive frontend implementation, API-first integrations and AI-supported automation workflows that improve speed, usability and operational productivity.
Ubuntu server administration, Docker environments, backup planning, migration support, security hardening, Zimbra mail systems and reliable infrastructure operations.
Selected capability areas that reflect how I approach real-world delivery: product thinking, strong backend architecture, clean UI/UX, automation, quality gates, infrastructure reliability and SEO-friendly implementation. Each highlight is written as crawlable HTML for Google and readable proof for clients.
Translate business requirements into structured features, sprint-ready tasks, technical implementation plans and release-focused delivery with maintainability from day one.
Design backend services with clear API contracts, modular layers, validation, database integration and scalable workflows suitable for web, mobile and admin systems.
Build polished interfaces with visual hierarchy, responsive spacing, clear calls-to-action, accessible components and smooth mobile/desktop user journeys.
Introduce build pipelines, code quality checks, deployment scripts and repeatable release flows that improve delivery confidence and reduce manual errors.
Use AI-assisted workflows, scripts and API integrations to remove repetitive steps, speed up operations and create smarter internal processes.
Cross-platform retail app work with deep linking, secure build configurations and store API integration for smooth shopping journeys.
Custom Shopify themes, product APIs, checkout workflows, inventory sync logic and responsive eCommerce interface improvements.
Secure mail server migration, backup planning, anti-spam setup, user onboarding and infrastructure reliability support.
I work across the full delivery stack: product requirement analysis, UI/UX implementation, backend engineering, API integration, test automation, CI/CD pipelines, Linux infrastructure and production support. My strength is connecting business requirements with practical engineering so the final product is usable, secure, maintainable and ready for real users.
I support Shopify and eCommerce builds, PHP/Laravel and WordPress applications, Java Spring Boot services, microservice-ready APIs, Flutter mobile app workflows, Playwright automation, OWASP-aware security improvements, SonarQube quality checks, Jenkins pipeline scripting, Docker/Linux deployments, Zimbra mail infrastructure and AI-assisted automation. This portfolio keeps all important service keywords and schema data crawlable while presenting the information in a professional client-facing format.
Yes. I can build Java Spring Boot REST APIs, backend services, microservice-ready modules and integrations with databases, web apps, mobile apps and third-party systems.
Yes. I can support Playwright-based browser automation testing, regression test flows, QA automation, and OWASP-aware improvements for safer authentication, validation, access control and application security.
Java Spring Boot microservices, Shopify development, Laravel/PHP application development, WordPress development, Flutter mobile apps, API integration, OWASP-aware secure development, Playwright automation testing, DevOps automation, Ubuntu server management, Zimbra mail server setup and cloud infrastructure support.
Yes. I support product development with Agile planning, UI/UX implementation, API development, third-party integrations and release-ready engineering workflows.
Yes. I can work with SonarQube quality checks, Jenkins pipeline scripts, CI/CD automation, AI-assisted workflows and development automation support.
Yes. I build responsive Shopify themes, storefront features, product workflows, custom integrations and performance-focused eCommerce pages.
Yes. I support Linux and Ubuntu servers, Docker, backup automation, migration, security hardening, mail servers and cloud infrastructure workflows.
Use the contact form below or email me directly at vignesh@wikkidev.com.
For product development, Agile delivery, Java Spring Boot microservices, Shopify, Laravel, WordPress, Flutter, UI/UX, API development, AI workflows, SonarQube, Jenkins pipelines, OWASP security, Playwright automation testing, DevOps, server migration or infrastructure support, send your project details.