Debobrata Sinha
Associate Principal - Architecture
Kolkata
Summary
Results-driven software development professional with over 13 years of experience in roles including Senior Back-end Developer, Technical Lead, and Associate Technical Architect. Expertise includes Node.js, RDBMS, NoSQL, containerization, DevOps, source control management, and cloud computing, with a strong emphasis on AWS. Proven leadership in managing large-scale projects and product development initiatives, successfully guiding teams of over 10 members to deliver innovative solutions. Eager to leverage a robust technical background and leadership capabilities in a Solution Architect role to drive transformative projects that enhance organizational success.
Overview
14
14
years of professional experience
2
2
Certificates
Work History
Associate Principal - Architecture
LTIMindtree Ltd (Formerly Mindtree Ltd)
09.2022 - Current
- Led backend architecture and delivery of a smart urban mobility platform serving 70+ countries and 5,000+ cities, ensuring scalability, security, and high availability.
- Designed and implemented cloud-native microservices using Node.js, NestJS, and Koa.js, integrating Elasticsearch for fast and intelligent search across large datasets.
- Developed and maintained React components and UI features, improving usability, stability, and end-user experience.
- Automated deployments and environment consistency using Helm, Skaffold, Argo Workflows, and Argo CD, enabling GitOps-driven CI/CD pipelines.
- Strengthened observability and monitoring with Rancher, Kibana, and Spider Analyzer, improving production reliability and issue resolution.
- Enforced code quality and security through SonarQube, Jest test coverage (80%+), npm audit, Snyk, and Git Husky, embedding automated checks into the development lifecycle.
- Collaborated with globally distributed teams, translating business requirements into technical solutions, estimating efforts, and coordinating multi-squad delivery in agile environments.
Associate Technical Architect
CES IT Pvt Ltd
07.2021 - 09.2022
- Designed and implemented cloud-first, serverless integration solutions on AWS using Lambda, Step Functions, and CloudFormation, reducing infrastructure costs and improving scalability.
- Led end-to-end data synchronization pipelines across platforms like QuickBooks, kvCORE, DocuSign, Dotloop, Mailchimp, Outlook, and Google Drive, ensuring seamless and secure business workflows.
- Optimized backend services with Node.js and MongoDB/MySQL, delivering modular, reliable, and high-performance serverless applications with strong data integrity.
- Developed configurable workflow engines using dynamic JSON-based definitions, enabling flexible, reusable, and parameterized integration processes.
- Built intuitive workflow management interfaces with React, empowering users to configure, monitor, and trigger integrations in real time.
- Enhanced release confidence through CI/CD automation and Jest-based unit testing, ensuring high code quality and smooth deployments.
- Standardized development environments with Docker, streamlining setup and improving cross-team consistency.
Tech Lead
ARC Document Solutions
12.2018 - 07.2021
- Architected and developed cloud-native backend microservices (Node.js, MySQL, Redis, RabbitMQ) to digitize facility and compliance document management across healthcare, education, and commercial sectors.
- Designed scalable data models with Apache Solr integration, enabling advanced search, annotations, versioning, and compliance tracking for facility assets.
- Implemented asynchronous workflows with RabbitMQ and Redis pub/sub, ensuring reliable document updates, real-time notifications, and seamless inter-service communication.
- Deployed containerized services on AWS (ECS, ECR, EC2, S3) with CI/CD pipelines (Jenkins), delivering high-availability, fault-tolerant, and automated infrastructure.
- Optimized large document handling via S3 multi-part uploads, improving system efficiency and user experience for field teams operating in low-connectivity environments.
- Led cross-functional collaboration with QA, product, and customer success teams, driving feature delivery, compliance adherence, and productivity improvements for field operations.
Back-end Developer / Tech Lead
Capital Numbers Infotech Ltd
01.2012 - 11.2018
- Progressed from Web Developer to Tech Lead, overseeing end-to-end delivery of multiple web applications for global clients across industries.
- Led cross-functional teams to deliver project milestones on time while maintaining high code quality through testing and peer reviews.
- Facilitated Agile ceremonies (daily stand-ups, sprint planning, retrospectives), ensuring collaboration, ownership, and alignment with stakeholder expectations.
- Designed and optimized scalable backend applications using Node.js, PHP, and Ruby on Rails with MySQL and MongoDB, improving system performance and reliability.
- Monitored project progress, proactively identified blockers, and implemented solutions or escalated risks, ensuring uninterrupted delivery.
- Acted as primary bridge between technical teams and stakeholders, translating business requirements into actionable technical deliverables and maintaining transparent reporting.
Education
Bachelor of Computer Applications -
West Bengal University of Technology
Kolkata, India 04.2001 -
Skills
Proficient in JavaScript, Nodejs
Upskilling in React
Experience with relational and NoSQL databases - MySQL, PostgreSQL, MongoDB, Redis
Experience with microservices architecture and implementation
Competent in cloud computing - AWS IAM, EC2, S3, Lambda, Step Functions, CloudFormation, API Gateway and other services
Knowledgeable in building REST APIs and message queue systems
Skilled in utilizing Jest, Mocha, Chai, and Shouldjs for testing
Working knowledge of container management and orchestration tools
Well-versed in version control using Git
Adept in using Swagger for API design and documentation
Experienced in working within Agile methodologies for project development and delivery
Certification
GitHub Copilot, Microsoft
Domain Expertise
- Smart City Solutions & Urban Mobility
- Software Integration & Workflow Automation
- Facilities Management
Timeline
AWS Certified Cloud Practitioner, Amazon
09-2025
GitHub Copilot, Microsoft
08-2025
Associate Principal - Architecture
LTIMindtree Ltd (Formerly Mindtree Ltd)
09.2022 - Current
Associate Technical Architect
CES IT Pvt Ltd
07.2021 - 09.2022
Tech Lead
ARC Document Solutions
12.2018 - 07.2021
Back-end Developer / Tech Lead
Capital Numbers Infotech Ltd
01.2012 - 11.2018
Bachelor of Computer Applications -
West Bengal University of Technology
04.2001 -