Pooja shree Singh

Software Engineer with 7+ years of experience designing and developing scalable backend systems, enterprise web applications, and cloud-based solutions. Experienced in Python, JavaScript, Java, REST APIs, microservices, AWS, and system design, with strong expertise in building high-performance, distributed applications. Proven ability to lead engineering teams, design scalable architectures, mentor developers, and deliver reliable production systems.

Currently pursuing an advanced Machine Learning & Data Engineering Program at Bosscoder, strengthening expertise in Data Structures & Algorithms, Python, SQL, Machine Learning, data processing, and model evaluation, LLM, RAG, Vectors. Passionate about solving complex engineering challenges, large-scale distributed systems, and Artificial Intelligence.

Technical Lead - Ranosys Technologies Pvt Ltd - Jaipur

(2026-05)

• Reviewed pull requests, enforced coding standards, and mentored junior developers, improving code quality and reducing production issues.
• Prepared technical design documents, architecture diagrams, effort estimations, and implementation strategies for client approvals.

Senior Software Engineer - Ranosys Technologies Pvt Ltd - Jaipur

(2022-05 - 2026-04)

• Designed and delivered SFRA-based SFCC B2C solutions with custom cartridges, ISML templates, and content slots, increasing checkout efficiency by 25%.
• Implemented end-to-end SFCC rollouts, including upgrades, migrations, and multi-country deployments, serving 500K+ monthly users.
• Implemented Salesforce OMS integrations for order lifecycle management, return flows, and payment settlements, ensuring seamless coordination between SFCC and backend ERP systems.
• Developed custom APIs, checkout flows, and cartridges, reducing payment failures by 30%.
• Conducted solution design workshops, R&D, and architecture planning for scalable rollouts.
• Led solution design workshops, performed R&D, and created architecture blueprints for scalable engineering rollouts.

Software Engineer - Ranosys Technologies Pvt Ltd - Jaipur

(2021-06 - 2022-05)

• Optimized payment gateway integrations across complex eCommerce use cases.
• Designed and validated REST APIs with Postman, reducing integration bugs by 25%.
• Integrated third-party systems (Yotpo, Stripe Prompt Pay, OSF Subscription, D365 inventory sync, RedDot Payment Services) to improve platform reliability.

Full-Stack Developer - A2 Technosoft Pvt Ltd - Jaipur

(2021-02 - 2021-06)

• Developed custom Laravel modules using MVC and OOP principles.
• Integrated PayU payment gateway and regional features.
• Supported client deployments and production bug fixes for smooth launches.

Laravel Developer - Kudosta Solutions LLP - Jaipur

(2019-04 - 2021-02)

• Developed secure REST APIs with JWT/OAuth authentication.
• Implemented Firebase chat, social logins, and payment modules.
• Built reusable backend modules following object oriented programming principles.

M.Tech (Honors) - Computer Science - Rajasthan Technical University (2015 - 2019)

B.Tech - Computer Science - JVWU (2010 - 2014)