Ankur Singh
Software Engineer
* Noida, India # ****************@*****.*** +91-983******* ï linkedin.com/in/ankur-singh-007a40206 Summary
Experienced Backend Developer with 3.5+ years of expertise in building scalable, high-performance web applications and APIs using Node.js, Express, and cloud-native technologies. Proficient in AWS (Lambda, SQS, AppSync), GraphQL, MongoDB, and MySQL/PostgreSQL. Passionate about performance optimization, microservices, and integrating AI-driven solutions with tools like ChatGPT and Shopify APIs.
Technical Skills
Languages: JavaScript, PHP, HTML, CSS,
Frameworks: Node Js, Express Js, Angular, AngularJS Databases: MySQL, MongoDB, PostgreSQL
Cloud: AWS (Lambda, SQS, S3, Docker, AppSync)
Tools: Git, Jira, Slack, Clickup, RESTful APIs, Cursor, Copilot, Windsurf Other: GraphQL, Shopify Admin API, Redis, Microservices, Professional Experience
Software Engineer Appy Pie LLP, Noida Apr 2024 - Present
• Led multiple software projects, ensuring alignment with client requirements and industry standards through meticulous planning and execution.
• Optimized MongoDB queries using indexing and sharding, reducing average query execution time by 40%.
• Decreased API response time to 300-800ms through caching techniques, handling over 5 million API requests daily using asynchronous processing.
• Ensured best security practices by encrypting sensitive data in payloads, safeguarding data integrity and compliance.
• Developed a dynamic backend using *Node.js* to enhance seamless template customization.
• Built AI-driven educational tools utilizing **ChatGPT APIs** for personalized learning experiences. Tech Stack: Node.js, Express.js, PHP, MongoDB, AWS (Lambda, SQS, S3), MySQL Software Developer CEDCOSS Technologies Pvt Ltd, Lucknow Dec 2021 - Mar 2024
• Developed and maintained web applications, improving user engagement by 40% through optimized backend processes.
• Optimized *MongoDB & MySQL* queries, reducing database response time by 30% for 2,000+ concurrent users.
• Integrated third-party APIs to enhance application functionality and improve user experience.
• Implemented *AWS Lambda* and *SQS* for scalable serverless architectures and efficient message processing.
• Strengthened security by implementing best practices for web and API servers. Tech Stack: Node.js, Express.js, Angular, MongoDB, MySQL, AWS, Bootstrap Projects
Google Shopping Feed - Integrated Shopify API and Google Ads API for seamless product listing. Web & App Builder - Developed a platform enabling mobile app and website creation with template customization functionality. Education
B.Tech in Computer Science & Engineering
Dr. A.P.J Abdul Kalam Technical University, Lucknow Aug 2020 - Jun 2023
• CGPA:- 7.3
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