Sainish Momin

Senior Software Engineer - Dropbox (Jun 2021 - Present)

At Dropbox, I designed and implemented scalable APIs for Dropbox Sign, ensuring 99.99% uptime for millions of monthly requests while delivering enhanced features, performance, and security.

• Designed and implemented scalable APIs for Dropbox Sign, processing millions of monthly requests with 99.99% uptime.
• Introduced event-driven architecture with Kafka, reducing processing time by 30% and ensuring fault tolerance.
• Built a real-time API dashboard using Elasticsearch, reducing data latency from 1 minute to seconds and improving operational visibility and customer experience.
• Adopted OpenAPI with Redocly and Swagger, automating API documentation and SDK generation. Reduced engineering overhead by 30% and enabled developer-friendly features like in-browser API testing.
• Conducted detailed security assessments, identified and mitigated vulnerabilities through regular code reviews, and implemented robust protection against threats using tools like Akeyless for automated key rotation.
• Delivered the Sign AI project MVP, integrating document generation and context-aware features into the e-signature product.
• Mentored junior engineers, decomposed complex projects into manageable tasks, and facilitated cross-functional planning sessions, ensuring timely delivery of critical features.

Software Engineer - Wayfair (Feb 2019 - Jun 2021)

Re-architected Wayfair’s financing system and integrated various services to improve user experience and operational efficiency.

• Transitioned from sequential API calls to an event-driven architecture using Kafka, reducing average response time by 60% and boosting conversion rates by 15%.
• Integrated Blackhawk Network services for real-time gift card generation and activation, ensuring fault-tolerant operations.
• Transformed a legacy application into a suite of cloud-hosted Microservices using Spring Boot, enabling better scalability and maintainability.
• Served as sprint captain, overseeing Scrum ceremonies such as Sprint Planning, Daily Standups, Retrospectives, and Demos.

Full Stack Developer - Symplicity Corporation (March 2018 - Feb 2019)

Developed independent angular library for all common usage like form builder, validation, UI component and may others which reduced technical debt significantly for future. Responsible for brainstorming database design, implementation, and technologies with team. Working mid-level position in senior team(I18) who is responsible for making product internationalization. Skills used and learning: PHP, SLIM Framework, MySQL, javascript, JQuery, Angular, HTML, CSS, SCSS, smarty.

• Understanding the problem that are being faced by university and how that can be solved using software application
• Responsible for all phases of software development life cycle - Planning, designing, implementing, testing and maintaining.

Web Software Developer - University of Texas at Dallas (Aug 2017 - March 2018)

Developing and modifying mobile and web application for data analysis and data management. PHP, Android, Laravel 5, JavaScript, AngularJS, HTML 5, CSS, Bootstrap, MySQL, Data analyzing reports, Google Charts

• Understanding the problem that are being faced by university and how that can be solved using software application
• Responsible for all phases of software development life cycle - Planning, designing, implementing, testing and maintaining.

PHP/LARAVEL Developer Intern - Dynamic Multimedia (May 2016 – Aug 2016)

As a part of internship it was all about Learning and writing code to improve and add features to existing web applications built on Laravel/PHP framework.

• Understanding requirements, creating new features and modifying existing features with keeping in mind cross browser compatibility and mobile compatibility. PHP, Laravel 5, JavaScript, HTML 5, CSS, Framework7, Maria DB, Stripe
• Developed customer payment system using stripe like subscription plan, auto payment to bank accounts. Commissions based on client loyalty, billing etc.
• Fixed critical bugs and improved logic of existing code. Result: Significant reliability and performance gains.

Software Developer - Above IT (Aug 2013 - Sept 2015)

• Developed enterprise resource planning Modules – Open Source Odoo/OpenERP, Python, HTML, CSS, JavaScript
• Migrated database to support newer version of software.
• Designed and implemented auto report generation for Purchase, sales, stocks and accounting. Significant improvement in making business strategies in company.
• Suggested and implemented database modifications to normalize tables. Result: Minimized redundancy by 20 %.
• Suggested manager to use PEP8 Python coding standard. Result: easy-to-maintain, improved time to review code.
• Trained new team members for adapting technology and company’s agile environment.
• Used JIRA for logging, reporting, reviewing, and analyzing defects.
• Awarded appraisal and bonus for Best Software Developer of the year.

Full Stack Developer- Freelancer (2011 - 2013)

• Developing small to large scale web application and mobile application
• Played a key role in UI design for a sophisticated customized ERP web application development. Result: easier-to-use product which required no training to End User. PHP, Codeigniter, JavaScript, JQuery, JQwidget, HTML, CSS JSON, REST APIs
• Replaced customized library management software by presenting better software. Significant improvement in managing all task and saved time by offering better features and UI to library.
• Gathered requirements, created business opportunities and negotiated business arrangements.
• Designed, developed, and published an Android application to the Google Play store.
• Improved PHP web application performance by improving code logic, changing queries. Speed up improved by 40% (did profiling)
• Managed team of four developer, and developed customized application. Source control bitbucket, issue tracking product
• Increased client community by from zero to 10 within first 6 month.