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Sudipta Das
Verified Expert in Engineering
Software Developer
Bengaluru, Karnataka, India
Toptal member since November 24, 2025
Bio
Sudipta is an Acquia-certified Drupal back-end specialist with deep expertise in Acquia Cloud Site Factory (ACSF) and multisite architectures, managing more than 3,000 sites on a single codebase to deliver scalable and efficient solutions. He contributes to research and development, working with emerging event-condition-action (ECA) systems and optimizing workflows. Through strong cross-team collaboration, Sudipta improves product performance and drives continuous enhancement.
Portfolio
Nokia
Drupal 10, Acquia Cloud, Module Development, Troubleshooting, Ajax, HTML5...
Qed42
Drupal 7, Drupal 8, HTML5, Drupal 9, Ajax, Acquia, Module Development
Valuebound
PHP, Drupal, PHP 7, JavaScript, Python, Module Development, HTML5, React...
Experience
- PHP - 8 years
- CSS3 - 8 years
- Drupal - 8 years
- HTML5 - 8 years
- Twig - 8 years
- JavaScript - 8 years
- Drupal 7 - 5 years
- Drupal 8 - 5 years
Preferred Environment
MacOS, Visual Studio Code (VS Code), Docker
The most amazing...
...achievement has been successfully managing over 3,000 Drupal sites on a single codebase, demonstrating my ability to deliver scalable, high-impact solutions.
Work Experience
R&D Engineer
2023 - PRESENT
Nokia
- Implemented an ECA-based workflow automation system in Drupal, streamlining content and process management for greater efficiency.
- Built a constraint-solving, low-code configurator engine for solution-driven bill of quantities (BoQ) creation, applying Drupal methodologies to ensure scalability and consistency.
- Collaborated with team members to diagnose and resolve Drupal memory issues triggered by high volumes of dynamic blocks.
- Developed a new Drupal state for field default values that supports native Drupal state behaviors, enhancing configuration flexibility. Designed, deployed, and maintained a multi-environment Drupal server architecture in a SaaS cloud environment.
- Improved API performance by 40% by optimizing Drupal storage structures and refining custom module logic.
- Implemented service factories, interfaces, and caching mechanisms in Drupal, reducing page load times by 40%.
- Facilitated the adoption of process-oriented Agile practices, boosting team productivity and collaboration.
- Enhanced site branding by retheming the Drupal application with a component-based theme structure for greater consistency and flexibility.
Technologies: Drupal 10, Acquia Cloud, Module Development, Troubleshooting, Ajax, HTML5, Drupal, Acquia
Back-end Tech Lead
2021 - 2022
Qed42
- Built reusable, component-driven theme elements, including atoms and molecules, using Storybook, Wingsuit, and custom plugins to support Drupal's layout builder.
- Integrated Brightcove Video Cloud with Drupal to support high-scale webinar hosting for over 10,000 participants.
- Designed Drupal architectures for healthcare and eCommerce applications, emphasizing low-code development in alignment with Drupal core practices.
- Contributed to over 20 Drupal core issues on Drupal.org and mentored team members in making open-source contributions.
- Implemented Redis caching, configured a CDN, and applied performance optimizations, increasing page speed by 70% for an image-heavy marketing site.
- Leveraged Acquia Site Studio and Build and Launch Tool (BLT) to deliver more than 25 multilingual marketing sites within one month.
- Created Robo scripts to facilitate Drupal 7-to-8 database migrations within Acquia Cloud Site Factory (ACSF).
- Received the Best Project Award and client recognition for contributions to a healthcare application featuring Brightcove integration.
Technologies: Drupal 7, Drupal 8, HTML5, Drupal 9, Ajax, Acquia, Module Development
Software Engineer
2018 - 2021
Valuebound
- Developed an on-demand Ajax service factory to handle heavy data loads in Drupal 8.
- Coordinated optimization of large custom SQL queries, improving API efficiency by 35%.
- Built efficient migration workflows for Drupal 7 to higher versions using custom PHP and shell scripts, reducing time and costs.
- Implemented Document Object Model (DOM) manipulation processes to support migration from an enterprise CMS to Drupal.
- Built decoupled eCommerce proofs of concept using React, Elasticsearch, and Drupal 8.
- Created proofs of concept using Redis Publish/Subscribe (Pub/Sub) for live video classroom features.
- Built job listing proofs of concept using the MERN stack and developed a job scraper with Python using Beautiful Soup and Selenium.
Technologies: PHP, Drupal, PHP 7, JavaScript, Python, Module Development, HTML5, React, Drupal 7, Drupal 8
Junior Software Developer
2017 - 2018
Inadev
- Contributed to Drupal 7 website construction and custom module development, addressing active project requirements.
- Built a search application with CodeIgniter and Elasticsearch, and developed a personal brand site using WordPress.
- Engineered a Drupal-based image viewer application with native image support and TIFF compatibility, integrating Amazon S3 using the AWS SDK for PHP.
Technologies: PHP, Drupal, Module Development
Experience
ECA-based Automated Content Publishing Workflow
I designed and implemented an advanced content publishing automation system using Drupal's ECA framework to enhance editorial efficiency and process reliability. The workflow automatically responds to key lifecycle events—such as content creation, updates, approvals, and scheduled releases—applying configurable conditions to maintain alignment with governance standards and quality guidelines.
The solution replaced multiple manual tasks with automated transitions, validations, notifications, and publishing routines, significantly reducing operational overhead and the risk of human error. It also improved turnaround time for content teams by providing a consistent, rule-driven process that scales seamlessly across high-volume and multisite environments.
This project showcases expertise in workflow engineering, back-end automation, and enterprise-grade Drupal development, delivering measurable improvements in productivity, accuracy, and content governance.
The solution replaced multiple manual tasks with automated transitions, validations, notifications, and publishing routines, significantly reducing operational overhead and the risk of human error. It also improved turnaround time for content teams by providing a consistent, rule-driven process that scales seamlessly across high-volume and multisite environments.
This project showcases expertise in workflow engineering, back-end automation, and enterprise-grade Drupal development, delivering measurable improvements in productivity, accuracy, and content governance.
Education
2012 - 2016
Bachelor's Degree in Computer Science
MAKAUT - West Bengal, India
Skills
Libraries/APIs
React
Languages
PHP, HTML5, CSS3, JavaScript, PHP 7, Python
Frameworks
Twig
Platforms
Drupal, MacOS, Visual Studio Code (VS Code), Docker, Drupal 10, Drupal 7, Drupal 8, Acquia Cloud, Drupal 9, Acquia
Storage
Database Structure
Other
Web Development, Website Data Scraping, Data Structures, Module Development, Troubleshooting, Ajax
Collaboration That Works
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