🚀 KolkataEast IndiaWest Bengal

Best Software Development
Company in Kolkata

Expert software development and API integration in Kolkata. Custom applications, cybersecurity solutions, and full-stack development for businesses across West Bengal. We deliver custom web applications, mobile apps, APIs, AI solutions, and cybersecurity services with a 7-day MVP guarantee.

500+
Projects Delivered
150+
Happy Clients
7 Days
MVP Delivery
99.9%
Uptime SLA
What We Offer

Software Development Services in Kolkata

Comprehensive technology solutions tailored for Kolkata businesses. From startups to enterprises, we deliver exceptional software that drives growth.

💻

Custom Web Application Development

Full-stack web applications tailored for Kolkata businesses. React, Next.js, Node.js expertise with modern UI/UX.

  • Progressive Web Apps
  • Single Page Applications
  • E-commerce Platforms
  • Admin Dashboards
📱

Mobile App Development

Native and cross-platform mobile apps for iOS and Android. Flutter and React Native specialists serving Kolkata.

  • iOS & Android Apps
  • Cross-Platform Solutions
  • App Store Optimization
  • Push Notifications
🔌

Custom API Development & Integration

RESTful and GraphQL APIs with 7-day MVP delivery. Connect your systems seamlessly in Kolkata.

  • REST & GraphQL APIs
  • Third-Party Integrations
  • Payment Gateway APIs
  • Real-time APIs
🔒

Cybersecurity Solutions

Enterprise-grade security for Kolkata businesses. Penetration testing, security audits, and compliance.

  • Security Audits
  • Penetration Testing
  • Compliance (GDPR, PCI)
  • Vulnerability Assessment
🤖

AI & Machine Learning

Intelligent automation and ML solutions for Kolkata enterprises. Chatbots, predictions, and analytics.

  • AI Chatbots
  • Predictive Analytics
  • Natural Language Processing
  • Computer Vision
☁️

Cloud Computing & DevOps

AWS, Azure, and GCP solutions for scalable infrastructure. CI/CD pipelines and cloud migration for Kolkata.

  • Cloud Migration
  • AWS/Azure/GCP
  • Kubernetes & Docker
  • CI/CD Automation
🛒

E-Commerce Development

Complete e-commerce solutions for Kolkata retailers. Shopify, WooCommerce, and custom platforms.

  • Custom E-commerce
  • Shopify/WooCommerce
  • Payment Integration
  • Inventory Management
📊

Business Intelligence & Analytics

Data-driven insights for Kolkata businesses. Dashboards, reporting, and data visualization.

  • Custom Dashboards
  • Data Visualization
  • Real-time Analytics
  • KPI Tracking
🏢

Enterprise Software Solutions

ERP, CRM, and HRM systems customized for Kolkata enterprises. Scalable and secure.

  • ERP Systems
  • CRM Solutions
  • HRM Platforms
  • Workflow Automation
🔗

Blockchain Development

Decentralized applications and smart contracts for Kolkata. Web3 and DeFi solutions.

  • Smart Contracts
  • DeFi Applications
  • NFT Platforms
  • Cryptocurrency Integration
🎯

Digital Transformation Consulting

Strategic technology consulting for Kolkata businesses. Modernize and scale your operations.

  • Technology Strategy
  • Process Automation
  • Legacy Modernization
  • Digital Roadmap
🛠️

Maintenance & Support

24/7 support and maintenance for Kolkata clients. Bug fixes, updates, and performance optimization.

  • 24/7 Support
  • Bug Fixes
  • Performance Optimization
  • Security Updates
Why DevSecIT

Why Choose DevSecIT in Kolkata?

We combine technical excellence with local expertise to deliver outstanding results for Kolkata businesses.

📍

Local Expertise

Deep understanding of Kolkata market dynamics and business requirements.

Rapid Delivery

7-day API MVP delivery and 90-day launch guarantee for complex projects.

🛡️

Security First

Enterprise-grade cybersecurity integrated into every solution we build.

💰

Transparent Pricing

No hidden costs. Clear milestones and deliverables from day one.

🎧

Dedicated Support

24/7 support with dedicated account managers for all clients.

🔄

Agile Methodology

Flexible, iterative development with regular client feedback loops.

Our Expertise

Technology Stack

We use cutting-edge technologies to build scalable, secure, and high-performance solutions for Kolkata clients.

frontend

ReactNext.jsVue.jsAngularTypeScriptTailwind CSS

backend

Node.jsPythonJavaGoPHPRuby on Rails

mobile

FlutterReact NativeSwiftKotlinIonic

database

PostgreSQLMongoDBMySQLRedisFirebaseSupabase

cloud

AWSAzureGoogle CloudDigitalOceanVercelNetlify

devops

DockerKubernetesJenkinsGitHub ActionsTerraformAnsible
Who We Serve

Industries We Serve in Kolkata

Domain expertise across multiple industries to deliver solutions that understand your business.

🏥

Healthcare

HIPAA-compliant healthcare software solutions

🏦

Finance & Banking

Secure fintech and banking applications

🛍️

E-Commerce & Retail

Online stores and retail management systems

🎓

Education

EdTech platforms and learning management systems

🏠

Real Estate

Property management and listing platforms

🏭

Manufacturing

Industrial automation and ERP solutions

🚚

Logistics

Supply chain and fleet management systems

🏨

Hospitality

Hotel and restaurant management software

How We Work

Our Development Process

A proven methodology that ensures quality delivery and client satisfaction for every Kolkata project.

1

Discovery & Planning

We analyze your Kolkata business requirements, define project scope, and create a detailed roadmap.

1-2 weeks
2

Design & Prototyping

UI/UX design, wireframes, and interactive prototypes for your approval.

1-2 weeks
3

Development

Agile development with sprint-based deliverables and regular updates.

4-12 weeks
4

Testing & QA

Comprehensive testing including unit, integration, and user acceptance testing.

1-2 weeks
5

Deployment

Seamless deployment to production with zero-downtime strategies.

1 week
6

Support & Maintenance

Ongoing support and maintenance for Kolkata clients with SLA guarantees.

Ongoing
Got Questions?

Frequently Asked Questions

Common questions about our software development services in Kolkata.

Ready to Build Your Next Project in Kolkata?

Let's discuss your requirements and create a custom solution that drives your business forward.

Get In Touch

Contact DevSecIT in Kolkata

Ready to transform your business with custom software? Get in touch for a free consultation.

Contact Information

Serving Kolkata & East India

DevSecIT is a leading software development company serving businesses across Kolkata, West Bengal, and the entire East India region. With a population of 15+ million and growing tech ecosystem, we're committed to delivering world-class software solutions to local businesses.

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About Software Development Services in Kolkata

DevSecIT is the leading software development company in Kolkata, West Bengal. We specialize in building custom web applications, mobile apps, APIs, and enterprise software solutions for businesses across East India. Our team of experienced developers, designers, and security experts work together to deliver high-quality solutions that meet your specific needs.

With over 500 successful projects delivered and 150+ satisfied clients, we have established ourselves as a trusted technology partner for startups, SMEs, and large enterprises in Kolkata. Our commitment to quality, security, and timely delivery has made us the preferred choice for businesses looking for reliable software development services.

Our Kolkata office provides dedicated support and ensures that local businesses receive personalized attention. Whether you need a simple website, a complex enterprise application, or cutting-edge AI solutions, DevSecIT has the expertise to bring your vision to life.

We follow international best practices in software development, including Agile methodology, DevSecOps, and continuous integration/deployment. Our security-first approach ensures that every solution we build is protected against cyber threats, giving you peace of mind.