Sr Full Stack Developer

Senior Full Stack Developer

Location: Kolkata (Work from Office)...NO EXCEPTION Employment Type: Full-Time | Permanent

Experience: Min 5+ Years Salary: DEPENDS ON EXERIENCE. NO BAR FOR THE RIGHT CANDIDATE

Interested Candidates may send their detailed CV/Resume with portfolio to hr@ataanalytiq.com & mandatorily copy to hr.india@ataanalytiq.com. For further queries, please Call/WhatsApp to +91-9147177616. About ATA Analytiq ATA Analytiq Private Limited is a rapidly growing technology company delivering enterprise software solutions, custom CRM platforms, mobile applications, and digital transformation services. We are looking for an experienced Senior Full Stack Developer to build scalable products and mentor teams.

Key Responsibilities • Design, develop and maintain scalable web applications and enterprise software. • Build custom CRM systems from scratch. • Develop responsive frontend applications and secure backend services. • Design REST APIs, microservices and database architecture. • Integrate third-party APIs, payment gateways and authentication systems. • Deploy applications on AWS/Azure/GCP using CI/CD and Docker. • Mentor junior developers and participate in architecture discussions.

Required Technical Skills Frontend Development • React.js, Next.js, Angular • JavaScript (ES6+), TypeScript • HTML5, CSS3, SCSS/SASS • Redux, Zustand or Context API • Tailwind CSS, Bootstrap or Material UI • Responsive, mobile-first development and performance optimization

Backend Development • Node.js, Express.js • Laravel (PHP) or Python (Django/Flask) • .NET/.NET Core (preferred) • REST APIs, Microservices • JWT, OAuth2, SSO authentication • Secure coding best practices

Database • MySQL, PostgreSQL, MongoDB • Firebase, Redis • Database design, query optimization and performance tuning

Cloud, DevOps & Infrastructure • AWS (EC2, S3, RDS, Lambda, CloudFront), Azure or GCP • Docker, Git, GitHub/GitLab/Bitbucket • CI/CD (GitHub Actions, GitLab CI, Jenkins) • Linux administration, Nginx, Apache • Monitoring tools such as Datadog or New Relic

API Integrations • Stripe, Razorpay, PayPal, PayU • SMS & Email gateways • OAuth2, JWT, SSO • Webhooks and third-party REST APIs

Mobile Development • Flutter, React Native • Native Android (Java/Kotlin) • Native iOS (Swift)

Qualifications • Bachelor's/Master's degree in Computer Science or related field. • Minimum 5 years of hands-on Full Stack Development experience. • Experience delivering enterprise applications from concept to deployment. • Experience building custom CRM platforms is highly preferred.

Preferred Skills • GraphQL • AI/ML integrations • SaaS product development • Progressive Web Apps • Automated testing (Jest, Cypress, Selenium, Mocha) • Leadership experience

Why Join ATA Analytiq • Competitive salary • 6-day work week • Enterprise-grade projects • Modern technology stack • Career growth opportunities • Collaborative work culture