Hire the Best Cluster Computing Developers in Kolkata, IN

1) Kubernetes expert (CKA, CKAD & CKS Certified) with highly scalable Cloud Native Applications Development. 2) DevSecOps pipelike set up . Application containerization . 3) AWS Solutions Architect with 4x Certifications. 4) 18+ Years of experience in Application Development, Designing Highly Scalable Cloud Native Applications on AWS platform. 5) Ex-AWS/Amazon Employee 6) Python AWS Developer . 7) Data Engineering , LLM , SLM , RAG, LangChain, LlamaIndex

✅ 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've worn many hats over the years - operating system engineer, backend engineer, system administrator, now a full time site reliability engineer. I like solving problems, no matter the domain. Don't care much about the tools I use. You can find some of the projects I am proud of and can share here in the portfolios section.

Enterprise Cloud Data Architect with 13+ years of experience leading enterprise-scale data transformation, cloud modernization, and advanced analytics initiatives across AWS and Azure ecosystems. Expertise in architecting scalable lakehouse, real-time streaming, metadata-driven, and event-driven data platforms that enable enterprise analytics, AI/ML, governance, and data-driven decision-making. Proven track record of delivering measurable business outcomes through platform modernization, real-time insights, automation, cost optimization, governance, and data democratization initiatives. Trusted advisor to C-level executives, business stakeholders, and engineering leaders in defining enterprise data strategy, establishing architecture standards and governance frameworks, accelerating cloud adoption, and delivering scalable, secure, and highperforming data platforms. Experienced in leading multiple data modernization programs and building resilient, future-ready ecosystems that support operational excellence, customer intelligence, regulatory compliance, and business growth. Recognized for mentoring high-performing global teams, fostering engineering excellence, and aligning technology strategy with longterm business objectives. SKILLS: Cloud Data Architecture & Strategy: Principal Data Architecture, Enterprise Data Architecture, Cloud Data Architecture (AWS, Azure), Multi-Cloud Architecture, Data Platform Strategy, Enterprise Data Modernization, Cloud Migration Strategy, AWS Well-Architected Framework, Architecture Governance, Architecture Review Board (ARB), RFP/RFQ Solution Design, Data Mesh Concepts, Lakehouse Architecture, Solution Architecture at Scale Cloud Platforms & Data Services: AWS: Amazon S3, Amazon Redshift, AWS Glue, AWS Lambda, Amazon Kinesis, AWS EventBridge, AWS Step Functions, AWS Lake Formation, AWS IAM, AWS CloudWatch, AWS Data Catalog Azure: Azure Data Factory, Azure Databricks, Delta Lake, Delta Live Tables (DLT), Unity Catalog, Lakeflow Connect, Databricks Workflows, Spark-based Lakehouse Engineering. Data Engineering & Processing: Apache Spark, PySpark, Spark SQL, ETL/ELT Pipelines, Streaming Data Processing, Real-Time Data Architecture, Batch Processing, Distributed Data Processing, Change Data Capture (CDC), Apache Iceberg, Data Lakehouse Architecture, High-Volume Data Pipelines. Data Governance, Security & Compliance: Data Governance, Data Security Architecture, Data Lineage, Data Quality Management, Metadata Management, Data Observability, Unity Catalog (Governance & Access Control), IAM (Identity & Access Management), Data Cataloging, Regulatory Compliance (GDPR), Encryption at Rest and In Transit, Policy-Based Data Access. Generative AI & Intelligent Systems: Generative AI Architecture, Agentic AI, Retrieval-Augmented Generation (RAG), Vector Search Systems, LangChain, OpenAI API, Prompt Engineering (Enterprise Use Cases), Semantic Search Architectures, LLM-Based Applications, ChromaDB, FAISS FastAPI, Django, Streamlit. DevOps, Automation & DataOps: CI/CD for Data Platforms, GitHub Actions, AWS CloudFormation, Infrastructure as Code (IaC), Docker, Python Automation, SQL Optimization, DataOps, Automated Deployment Pipelines, Infrastructure Automation