Available to hire
Hi, I’m Lusaka Bhattacharyya. I’m an IT Manager and cybersecurity professional with over a decade of experience leading digital transformations, secure software development, and cross-functional IT programs across multiple industries. I specialize in turning complex ideas into secure, scalable technology solutions that drive business value, from modern web apps to cloud infrastructures.
I hold CISM and CISSP certifications and have hands-on expertise in Java, React, PHP, and cloud platforms (AWS, Azure). I’ve delivered measurable outcomes such as reducing operational costs through automation, strengthening security and compliance (ISO 27001, GDPR), and enabling data-driven marketing and e-commerce. I’m passionate about building high-performing teams and guiding digital initiatives that balance speed with security.
Skills
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Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Advanced
Hindi
Advanced
Work Experience
IT Manager – Digital Transformation & Marketing at ARNN Group (MAAC HOME)
January 1, 2025 - PresentLed digital transformation across 4 countries, integrating IT infrastructure, security protocols, and marketing operations. Implemented secure automated CRM, email marketing, and analytics pipelines using Mailchimp, GA4, and Power BI with strong data protection. Achieved a 30% reduction in IT/marketing overhead via automation and platform consolidation while ensuring compliance. Managed e-commerce backend security and SEO for 200+ online stores and established security protocol standards for digital platforms and customer data.
Senior Full Stack Developer & Digital Lead at Paris Group
January 1, 2025 - August 9, 2025Directed development of a secure Omni-channel e-commerce platform using React, Java, PHP, Shopify API, and global shipping integrations. Implemented IT automations focused on secure development and performance optimization. Led full project management with emphasis on vulnerability testing and secure practices. Collaborated with marketing for campaign launches and conversion optimization. Designed custom CMS with role-based access controls to manage landing pages and SEO metadata.
Senior Developer – IT & Marketing Systems at ADCI Group
January 1, 2024 - August 9, 2025Integrated Salesforce CRM and marketing tools with secure API and data encryption. Developed Power BI dashboards for strategic reporting with data governance. Led marketing automation, campaign tracking, and audience segmentation platform implementations. Enforced security best practices and regular audits in development projects. Used Java and frameworks for backend business applications.
Software Developer I at Tomsher Technology
October 31, 2020 - August 9, 2025Developed secure customer-facing marketing portals and analytics tools focusing on data protection and privacy compliance. Collaborated on SEO/SEM tracking, mobile optimization, and secure lead capture forms. Built Java applications with security and performance emphasis. Conducted code reviews and security assessments to maintain compliance and application integrity.
Programmer Analyst at Boopin DMCC
December 31, 2018 - August 9, 2025Worked with marketing teams to build secure web assets, app submissions, and A/B testing infrastructure. Supported digital agency clients with campaign reporting, Google Analytics setup, and secure marketing technology integrations. Developed Java-based backend solutions following security and data protection standards.
Software Developer/Security Specialist I at Buzinessware LLC
February 28, 2017 - August 9, 2025Developed secure web applications for internal and client services with PHP, MySQL, and JavaScript. Implemented security best practices including firewall configuration, server hardening, and vulnerability patching. Conducted penetration testing and code audits to mitigate risks. Collaborated with DevOps on CI/CD pipelines and cloud hosting (AWS, c-Panel/WHM). Maintained ISO 27001 security compliance across hosted systems and services.
Software Developer at Curry Technology, India
January 1, 2015 - August 9, 2025Designed and developed custom CRM and billing systems for finance, education, and retail SMEs using PHP, HTML, and JavaScript. Integrated third-party APIs such as payment gateways and SMS/email platforms. Participated in the full software development lifecycle including requirements, testing, deployment, and client training. Provided technical support and maintenance with timely issue resolution.
IT Manager – Digital Transformation & Marketing at ARNN Group (MAAC HOME)
January 1, 2025 - PresentLed end-to-end digital transformation across 4 countries, integrating IT infrastructure, security protocols, and marketing operations; implemented secure automated CRM, email marketing, and analytics pipelines (Mailchimp, GA4, Power BI) with authentication and data protection; achieved 30% reduction in IT/marketing overhead through cross-channel automation and platform consolidation; managed e-commerce backend security, SEO performance, and product data integrity for 200+ online stores; established security protocols and compliance standards for all digital platforms and customer data.
Senior Full Stack Developer & Digital Lead at Paris Group
January 1, 2025 - September 14, 2025Directed development of secure Omni-channel e-commerce platform using React, Java, PHP, Shopify API & global shipping integrations; implemented IT automations and introduced innovative solutions with focus on security and performance optimization; led end-to-end project management with emphasis on secure development practices and vulnerability testing; collaborated cross-functionally with marketing to launch campaigns, track engagement, and optimize conversion; designed custom CMS with role-based access controls for brand marketing teams to manage landing pages and SEO metadata.
Senior Developer – IT & Marketing Systems at ADCI Group
January 1, 2024 - September 14, 2025Integrated Salesforce CRM and marketing tools with custom portals using secure API implementations and data encryption; developed Power BI analytics dashboards for performance reporting and strategic decision making with proper data governance; orchestrated company-wide platforming for marketing automation, campaign tracking, and audience segmentation; implemented security best practices across all development projects and conducted regular security audits; utilized Java and related frameworks for backend development of critical business applications.
Software Developer I at Tomsher Technology
October 1, 2020 - September 14, 2025Built secure customer-facing marketing portals and analytics tools with focus on data protection and privacy compliance; collaborated with marketing clients on SEO/SEM tracking implementation, mobile optimization, and secure lead capture forms; developed Java-based applications for internal use and client projects with emphasis on security and performance; conducted code reviews and security assessments to ensure application integrity and compliance with best practices.
Programmer Analysts at Boopin DMCC
December 1, 2018 - September 14, 2025Collaborated with marketing teams to develop secure web assets, app submissions, and A/B testing infrastructure; supported digital agency clients with campaign reporting, GA setup, and secure martech integrations; implemented Java-based solutions for data processing and backend functionality; ensured all developed applications followed security best practices and data protection standards.
Software Developer/Security Specialist I at Buzinessware LLC
February 1, 2017 - September 14, 2025Developed secure web-based applications for internal and client-facing services using PHP, MySQL, and JavaScript; implemented security best practices, including firewall configuration, server hardening, and vulnerability patching; conducted internal penetration testing and code audits to identify and resolve risks; collaborated with DevOps to optimize CI/CD pipelines and cloud hosting environments; played a key role in maintaining ISO 27001 security compliance across hosted systems and client services.
Software Developer at Curry Technology, India
December 31, 2015 - September 14, 2025Designed and developed custom CRM and billing systems tailored to client requirements using PHP, HTML, and JavaScript; integrated third-party APIs (payment gateways, SMS/email platforms); participated in end-to-end software development lifecycle including requirements gathering, testing, deployment, and client training; provided technical support and maintenance services.
Senior Full Stack Developer & Digital Lead at Paris Group
January 1, 2024 - January 1, 2025Directed development of secure Omni-channel e-commerce platform using React, Java, PHP, Shopify API & global shipping integrations. Implemented IT automations and introduced innovative solutions with focus on security and performance optimization. Led end-to-end project management with emphasis on secure development practices and vulnerability testing. Collaborated cross-functionally with marketing team to launch campaigns, track engagement, and optimize conversion rates. Designed custom CMS with role-based access controls for brand marketing teams to manage landing pages and SEO meta-data.
Senior Developer – IT & Marketing Systems at ADCI Group
November 1, 2020 - January 1, 2024Integrated Salesforce CRM and marketing tools with custom portals using secure API implementations and data encryption. Developed Power BI analytics dashboards for performance reporting and strategic decision making with proper data governance. Orchestrated company-wide replatforming for marketing automation, campaign tracking, and audience segmentation. Implemented security best practices across all development projects and conducted regular security audits. Utilized Java and related frameworks for backend development of critical business applications.
Software Developer I at Tomsher Technology
January 1, 2019 - October 1, 2020Built secure customer-facing marketing portals and analytics tools with focus on data protection and privacy compliance. Collaborated with marketing clients on SEO/SEM tracking implementation, mobile optimization, and secure lead capture forms. Developed Java-based applications for internal use and client projects with emphasis on security and performance. Conducted code reviews and security assessments to ensure application integrity and compliance with best practices.
Programmer Analysts at Boopin DMCC
February 1, 2017 - December 1, 2018Collaborated with marketing teams to develop secure web assets, app submissions, and A/B testing infrastructure. Supported digital agency clients with campaign reporting, GA setup, and secure martech integrations. Implemented Java-based solutions for data processing and backend functionality. Ensured all developed applications followed security best practices and data protection standards.
Software Developer/Security Specialist I at Buzinessware LLC
January 1, 2015 - February 1, 2017Developed secure web-based applications for internal and client-facing services using PHP, MySQL, and JavaScript. Implemented security best practices, including firewall configuration, server hardening, and vulnerability patching. Conducted internal penetration testing and code audits to identify and resolve application-level risks. Collaborated with DevOps to optimize CI/CD pipelines and cloud hosting environments. Maintained ISO 27001 security compliance across hosted systems and client services.
Software Developer at Curry Technology, India
January 1, 2013 - January 1, 2015Designed and developed custom CRM and billing systems tailored to client requirements using PHP, HTML, and JavaScript. Integrated third-party APIs to streamline customer communication. Participated in end-to-end software development lifecycle including requirements gathering, testing, deployment, and client training. Provided technical support and maintenance services, ensuring timely resolution of software issues.
Education
M. Tech in Computer Science & Engineering at West Bengal University of Technology
January 11, 2030 - August 9, 2025B. Tech in Computer Science & Engineering at West Bengal University of Technology
January 11, 2030 - August 9, 2025M. Tech & B. Tech in Computer Science & Engineering at West Bengal University of Technology
January 11, 2030 - September 14, 2025M.S. Tech & B.Tech in Computer Science & Engineering at West Bengal University of Technology
January 11, 2030 - December 23, 2025Qualifications
CISM® (Certified Information Security Manager)
January 11, 2030 - August 9, 2025CISSP (Certified Information Systems Security Professional)
January 11, 2030 - August 9, 2025Google Analytics Certification
January 11, 2030 - August 9, 2025Looker Studio Certification
January 11, 2030 - August 9, 2025Power BI Certification
January 11, 2030 - August 9, 2025HubSpot Marketing Certification
January 11, 2030 - August 9, 2025Office 365 Certification
January 11, 2030 - August 9, 2025CISM (Certified Information Security Manager)
January 11, 2030 - September 14, 2025CISSP (Certified Information Systems Security Professional)
January 11, 2030 - September 14, 2025CISM (Certified Information Security Manager)
January 11, 2030 - December 23, 2025CISSP (Certified Information Systems Security Professional)
January 11, 2030 - December 23, 2025Google Analytics
January 11, 2030 - December 23, 2025Looker Studio
January 11, 2030 - December 23, 2025Power BI
January 11, 2030 - December 23, 2025HubSpot Marketing
January 11, 2030 - December 23, 2025Office 365
January 11, 2030 - December 23, 2025Industry Experience
Computers & Electronics, Retail, Financial Services, Software & Internet, Professional Services, Media & Entertainment
Skills
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Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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