About Me
Professional Summary
Extensive expertise in microservices architecture, API ecosystems, and cloud-native solutions. Proven track record of leading cross-functional teams and delivering high-performance applications across multiple industries.
Hands-on experience across modern stacks including Node.js and Java Spring Boot, with strong focus on building secure, scalable REST APIs, microservices, and enterprise backend systems aligned with business goals.
Delivered 50+ projects with 98% on-time delivery rate. Improved platform performance by 30% (Lighthouse 65→95) through code splitting, lazy loading, and CDN optimization. Reduced operational overhead by 60% through backend automation and workflow optimization.
Education
Professional Experience
Senior Full-Stack Consultant (Contract)
Application Developer (Client Delivery)
Associate Consultant
Senior Software Engineer / Team Lead
Senior Software Engineer
Software Developer
Featured Projects
Technical Skills
⚛️ Frontend Development
⚙️ Backend & APIs
🗄️ Database & Storage
☁️ Cloud & Infrastructure
🔧 DevOps & Tools
🧪 Testing & Quality
📝 CMS & Platforms
💳 Payments & Integrations
Consulting Services
Available for contract engagements, consulting projects, and full-time remote opportunities. Specializing in AI integration, full-stack development, and performance optimization for startups and enterprises worldwide.
Solution Architecture & System Design
End-to-end architecture design for enterprise applications — microservices, API ecosystems, database design, cloud-native solutions, and scalability planning aligned with business goals
Full-Stack Development (React + Node.js / Java)
Production-grade web applications using React 18, Next.js 14, Node.js, Nest.js, and Java Spring Boot with TypeScript, REST APIs, GraphQL, and microservices architecture
ERP & Business Application Development
Custom ERP systems, inventory management, admin dashboards, CRM platforms, and workflow automation tools tailored to business operations
Cloud Deployment & DevOps (AWS / Azure)
CI/CD pipeline setup, Docker containerization, Jenkins automation, AWS and Azure cloud deployment, performance monitoring, and production release management
API Development & Integration
Secure REST API and GraphQL design, third-party API integrations (PayPal, Stripe, Contentful), JWT/RBAC authentication, API security hardening, and rate limiting
Performance Optimization
Lighthouse score improvement (65→95), code splitting, lazy loading, CDN optimization via Cloudflare R2, bundle size reduction, and asset delivery optimization
Team Leadership & Code Reviews
Leading cross-functional dev teams, conducting code reviews, mentoring junior developers, establishing coding standards, Agile/Scrum facilitation, and stakeholder communication
CMS & Headless Architecture
Webflow CMS, Contentful Headless CMS, WordPress custom themes/plugins, Magento 2 custom modules, and Retool internal tools for workflow automation
Client Testimonials
Trusted by clients across USA and Mexico — long-term relationships built on consistent delivery.
"Working with Shivaji for 4 years has been an exceptional experience. He built and maintained our entire web platform with incredible attention to detail. His technical expertise in full-stack development, performance optimization, and API integrations consistently exceeded our expectations. Truly a reliable and talented engineer."
"Shivaji helped us build a robust content management system and backend APIs over 2 years. His ability to translate creative requirements into clean, functional code is outstanding. He is proactive, communicates clearly, and always delivers on time. I would highly recommend him for any web development project."
"I have worked with Shivaji for over 2.5 years on various internal tools and web applications. His depth of knowledge across React, Node.js, and cloud infrastructure is impressive. He understands enterprise requirements and delivers scalable, secure solutions. An excellent developer and a great professional to work with."
"Shivaji built our analytics dashboard and data-driven web application over 2 years. He has a rare ability to combine technical skill with a strong understanding of business needs. His work on API integrations and performance optimization directly improved our platform efficiency. A true professional I would hire again without hesitation."
More recommendations on LinkedIn Profile →
Packages & Pricing
Transparent pricing for freelance and contract engagements. All projects include clean code, documentation, and deployment.
💬 All prices are starting points. Final quote depends on project scope, complexity, and timeline.
Hourly rate available for ongoing contracts: $25–45/hr
Articles & Insights
Deep dives on architecture patterns, performance, and security from real production projects.
Building Scalable ERP Systems with Next.js and PostgreSQL
How I architect multi-tenant ERP systems with role-based access, audit logs, and real-time dashboards using Next.js 14 and PostgreSQL.
Microservices with Java Spring Boot — Lessons from Production
Practical patterns I use when building microservices with Spring Boot: service discovery, API gateway, circuit breakers, and distributed tracing.
How I Improved Lighthouse Score from 65 to 95 — A Real Case Study
Step-by-step breakdown of code splitting, lazy loading, CDN optimization with Cloudflare R2, and image optimization techniques used on a 10K+ user platform.
JWT + RBAC Authentication: The Right Way in Node.js
A complete guide to implementing secure role-based access control with JWT tokens, refresh token rotation, and permission middleware in Express/Nest.js.
Get In Touch
Contact Information
🟢 Currently Available
Immediate joiner. Open to freelance projects, contract roles, and full-time remote opportunities globally.