Hire the Best Architects in Kolkata, IN

• Architect with 6+ years of professional experience in architecture and computational design. • Specialized in Rhino 3D, Grasshopper, and parametric modeling workflows. • Expertise in computational design, generative modeling, and complex geometries. • Skilled in facade design, structural form-finding, and design optimization. • Develop custom Grasshopper definitions and algorithmic design solutions. • Deliver accurate, efficient, and buildable architectural models. • Strong focus on innovation, sustainability, and performance-driven design. • Committed to clear communication, timely delivery, and high-quality results.

I have more than 17 years of software development experience including product management role. During this time I have designed/architect and developed multiple JEE application in variety domains including GIS, financial world to IoT. I have extensive experience on number of Spring based open source frameworks. Also has developed application on big data and real time streaming data processing using Kafka/Spark stack. I also have experience in developing web GIS product for managing georeferencing maps.

I design, review, and optimise CRM architectures for growing businesses and enterprise clients. Over 18 years I have architected and delivered CRM platforms, API integrations, and backend systems for large-scale telecom, energy, and SaaS businesses across Australia, India, and internationally. I have led enterprise CRM programmes as principal architect — owning end-to-end platform design across CRM, billing, middleware, and API integrations — and managed delivery teams of 50+ engineers on production-critical systems. What I do for clients: CRM architecture review, gap analysis, and improvement roadmap Sales workflow and lead management optimisation API design and third-party integration architecture Data model cleanup and reporting structure improvements Automation strategy and integration roadmap design Legacy CRM modernisation and scalability planning Platforms & Technologies I work with: vtiger CRM · Salesforce (integration architecture) · PHP · Laravel · MySQL · REST APIs · RabbitMQ · Redis · AWS · CI/CD Who I work best with: SaaS companies, telecom businesses, and service organisations that have outgrown their current CRM setup and need a senior architect — not a junior consultant — to assess what's broken and build a clear path forward. I deliver practical, written recommendations you can act on immediately. No vague strategy decks. No unnecessary complexity. If you need someone who has built CRM systems handling millions of customers in production and can apply that experience to your business — let's talk.

✅ Solution Architect | Full-Stack | DevOps | Cloud | AI/ML | LLM Apps | IoT Hi, I’m Niladri — a Solution Architect and Full-Stack Developer with 15+ years of experience helping startups, SaaS companies, and enterprises design, build, automate, and scale secure, production-ready software systems. Clients hire me when they need more than a coder. They need someone who can understand the business goal, design the right architecture, build the product, automate infrastructure, integrate AI where it adds value, and keep the system scalable, maintainable, and cost-efficient. I can work as a senior engineer, architect, DevOps consultant, technical lead, or long-term technology partner. 📊 Skill Ratings DevOps & Cloud Architecture – ▓▓▓▓▓▓▓▓▓▒ 9.5/10 Solution Architecture – ▓▓▓▓▓▓▓▓▓▒ 9.5/10 Backend & API Engineering – ▓▓▓▓▓▓▓▓▓░ 9/10 AI/ML & LLM Integration – ▓▓▓▓▓▓▓▓░░ 8/10 IoT & Embedded Electronics – ▓▓▓▓▓▓▓▓░░ 8/10 Frontend Development – ▓▓▓▓▓▓▓░░░ 7/10 Mobile App Development – ▓▓▓▓▓▓▓░░░ 7/10 🚀 What I Can Help You With ☁️ Cloud, DevOps & Platform Engineering I design and deploy cloud-native infrastructure using AWS, Google Cloud, Azure, DigitalOcean, Heroku, and hybrid/on-premise systems. AWS: EC2, S3, RDS, Lambda, ECS, EKS, Fargate, DynamoDB, CloudFront, Route 53 GCP: Cloud Run, GKE, Firebase, Cloud SQL, BigQuery, Pub/Sub, AI APIs Azure: Functions, App Services, PostgreSQL, DevOps, cloud migration Core DevOps: Docker, Kubernetes, Helm, Terraform, CI/CD, GitHub Actions, GitLab, Jenkins, Bitbucket Pipelines, monitoring, backups, security hardening, high availability, and cost optimization. 🤖 AI/ML, LLM Apps & Automation I help businesses integrate AI into real products and workflows: LLM applications, OpenAI/AWS AI/Google AI integrations, RAG knowledge-base systems, AI chatbots, document processing, vector search with PostgreSQL/pgvector, recommendation engines, predictive analytics, and workflow automation. My focus is not just adding AI features — I design AI systems that are useful, secure, measurable, and practical. 💻 Full-Stack Web Development I build scalable web applications with clean architecture and maintainable code. Backend: Node.js, NestJS, Express, TypeScript, Python, Django, Flask, FastAPI, Java/Spring Boot Frontend: React.js, Next.js, Vue.js, Angular, admin dashboards, SaaS portals Databases: PostgreSQL, MySQL, MongoDB, Redis, DynamoDB, MariaDB, MS SQL I focus on API performance, database design, authentication, authorization, security, testing, and maintainability. 🔗 API Development & SaaS Integrations I build APIs, webhooks, integration layers, and event-driven systems. Experience includes Amazon MWS/SP API/Ads API, QuickBooks Online/Desktop, Xero, FreshBooks, HubSpot, Salesforce, Zoho, Zendesk, Stripe, Twilio, Slack, Asana, REST, GraphQL, Webhooks, Microservices, and Event-driven Architecture. 📱 Mobile App Development React Native, Flutter, and PWAs with real-time chat, push notifications, payments, GPS tracking, offline sync, dashboards, and cloud backend integration. 🌐 IoT & Embedded Systems Embedded Linux, Buildroot, Arduino, ESP, Raspberry Pi, RTOS, FPGA, Petalinux, RFSoC, ZCU111, XRF8, I2C, SPI, UART, TCP, MQTT, sensor integration, and firmware-to-cloud-to-dashboard platforms. 🧠 Technical Leadership I support teams with architecture, cloud review, code/PR review, CI/CD setup, security planning, database/API design, bottleneck resolution, team grooming, scalability planning, and engineering best practices. 🌟 Why Clients Hire Me ✔️ 15+ years of hands-on software, cloud, DevOps, AI, and IoT experience ✔️ Strong mix of architecture, development, automation, and technical leadership ✔️ Ability to work independently or lead a technical team ✔️ Experience with SaaS, fintech, e-commerce, AI, cloud, API integrations, and IoT systems ✔️ Practical mindset: I design systems that can be built, deployed, scaled, and supported ✔️ Strong focus on clean code, security, documentation, automation, and maintainability I don’t just deliver code — I help you build a reliable product, scalable platform, and stronger technical foundation. ⭐ Client Feedback “Nil headed up a full backend solution including RESTful API and AWS cloud setup. He is knowledgeable, understands your needs, and delivers creative, high-quality solutions.” — Douglas Stirling “Nil is an excellent developer — quick to grasp requirements, easy to communicate with, and always delivers well-tested, first-class work.” — Sat Sindhar “Niladri is a highly experienced full-stack programmer with thorough knowledge across technologies. I am extremely satisfied with his services.” — Vishal Agarwal “Niladri is the best at what he does. Very easy to communicate with, delivers flawless work, and provides great support after the job is done.” — Muzaffer Selimbeyoglu 📌 Background Degree in Computer Science CCNA | RHCE Diploma in Computer Hardware & Electronics GitHub Portfolio: fuzonmedia

I have 10 years+ of industrial experience in handling as lead and architect role on cloud services, network management, designing and app modernisation. We have worked on multiple cloud infrastructure on Kubernetes, Docker, Helm charts packaging and deployment, Creating infrastructure on Terraform and deploying workloads on Kubernetes. Implementing Istio as service mesh and NGINX Ingress routing configurations on Kubernetes. On CICD pipelines I am proficient in working on Gitlab DevOps as well. lease connect if you are interested. Cloud Infrastructure - ✔ Cloud VPC Multi cluster multi-region and zonal resiliency design. ✔ AWS site to site VPN ✔ AWS Transit Gateway ✔ Fault Injection System ✔ Security Group and Routes audit. ✔ Subnet and Network routes design. ✔ Cloud connectivity ( Direct connect, VPN and VPC peering etc . ) ✔ EKS, EC2, Lambda, RDS management and provisioning, ✔ AMI management and creation ✔ Elastic load balancer ✔ Route 53, DNS configuration , Target Groups , ELB mappings etc. ✔ Elastic load balancer ✔ Route 53 ✔ Amazon RDB ✔ Amazon S3 ✔ WAF ✔ AWS Organization ✔ EKS ( AWS Elastic Kubernetes Service ) ✔ GuardDuty DevOps - ✔ Terraform Infrastructure as Code. ✔ Pulumi Infrastructure as Code. ✔ Bitbucket CICD. ✔ Jenkins Pipelines. ✔ Gitlab Pipelines. ✔ Github Actions Kubernetes Services and Application Modernization - ✔ EKS ( AWS Elastic Kubernetes Service ) ✔ K3S ( Rancher K3S ) ✔ Dockerization of dotnet , java, PHP , golang , python apps. ✔ Helm charts implementation ✔ ArgoCD (GitOps) ✔ Istio, Linkerd (Service Mesh) ✔ Secret Manager CSI Drivers Monitoring ✔ Prometheus ✔ Grafana ✔ AWS Container Insights ✔ AWS Cloudwatch ✔ ELK Stack ✔ AWS Cloudtrail ✔ Datadog ✔ Dynatrace Network Infrastructure:- ✔ Installation, Configuration and Administration of DHCP, under various LAN and WAN environments. ✔ Working on routing mechanisms (Static Route, BGP). ✔ Troubleshoot network problems. ✔ Firewalls(Paulo Alto) ✔ DNS services ✔ DHCP Services ✔ VLANs and inter VLAN routing

🏆 Accelerated 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐏𝐥𝐮𝐬 | 100% 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 Rate | 𝐑𝐢𝐬𝐤 𝐅𝐫𝐞𝐞 𝐓𝐫𝐢𝐚𝐥 I help SaaS companies and enterprise teams build scalable, cloud-native applications using C#, .NET Core 8, ABP.io, ASP.NET Zero, and Azure. If you need a reliable architect-level developer who builds clean, high-performance systems or can rescue/upgrade an aging application, you’re in the right place. For over 10 years, I’ve delivered enterprise-grade platforms, multi-tenant SaaS products, mission-critical APIs, and comprehensive front-end ecosystems (Angular, React, Vue). I also specialize in modernizing legacy systems, including Classic ASP, .NET Framework, outdated monoliths, and poorly structured applications, into modern, modular, or microservice-ready .NET Core architectures using ABP.io and ASP.NET Zero. 𝑾𝒉𝒂𝒕 𝑰 𝑫𝒆𝒍𝒊𝒗𝒆𝒓: • SaaS platforms & enterprise back-ends (.NET Core 6/7/8, ABP.io, ASP.NET Zero) • Legacy modernization (Classic ASP → .NET Core, WebForms → Angular/React) • Cloud-ready deployments using Azure (App Services, Functions, SQL, DevOps CI/CD) • High-performance APIs & microservices • Front-end applications (Angular, React, Vue, Blazor) • Clean architecture, SOLID, secure authentication/authorization 𝑾𝒉𝒚 𝑪𝒍𝒊𝒆𝒏𝒕𝒔 𝑯𝒊𝒓𝒆 𝑴𝒆: • 22,000+ Upwork hours & 100% Job Success Rate • Clear communication, structured updates, and fast delivery • Deep expertise in complex enterprise workflows and large-scale systems • Clean, maintainable code that scales—no shortcuts, no fragile quick fixes If you’d like a dependable developer who can architect, build, or modernize your Dot NET/C# platform, let’s connect. Send me a message, and I’ll be happy to review your requirements. I even offer a risk-free initial consultation. 𝑻𝒆𝒄𝒉𝒏𝒊𝒄𝒂𝒍 𝑬𝒙𝒑𝒐𝒔𝒖𝒓𝒆: Top Skills (Primary): • .NET Core 8 • C# developer • ABP.io developer • ASP.NET Zero expert • SaaS platform development • Enterprise application development • Legacy modernization Classic ASP → .NET Core • Azure App Services • Azure Functions • Microservices architecture • Clean Architecture .NET • Angular developer (.NET backend) Secondary Skills (Use sparingly): • React developer • Vue.js developer • Blazor • Docker / Kubernetes • CI/CD Azure DevOps • SQL Server / PostgreSQL / MongoDB • REST APIs / GraphQL APIs • Multitenant SaaS • ABP commercial framework • ASP.NET Boilerplate