Ammar Ansari

• Develop and maintain Node and JavaScript SDKs with over 10,000 weekly NPM downloads, showcasing wide global adoption. • Oversee 10+ SDK lifecycle with weekly releases and enhanced end-to-end testing, reducing bug reports by 30%. • Introduced a custom JS Promise object for a long-running calls, enhancing SDK usability, praised by 90% of developers. • Improved CI with job segmentation, boosting alerting efficiency and reducing debugging time by 50%.

• Spearheaded both front-end and server-side development, showcasing proficiency in a full-stack role. • Launched NLP-driven 'smart suggestions' feature with spaCy, enhanced client interview success rate by 30%. Client Careem, a subsidiary of Uber: • Significantly improved conversion rates by 50% with a web-to-app redirection solution for a two-factor authentication. • Engineered a high-performance analytics API queue package, achieving 2x faster checkout speed by resolving bottlenecks.

• Design, develop and maintain software using state-of-the-art tools and techniques with the USA-based team. • Mainly focus on the front-end side development. • Collaborate with multiple teams to provide generic solutions. • Conduct dev sessions to elaborate and explain new generic features. • Accomplished real-time data for multiple teams by solving GraphQL subscription issues.

• Mainly focus on server-side development using technologies like Node.js, GraphQL, Apollo, MongoDB, Passport.js, etc. • Build and maintain MongoDB and GraphQL schemas. • Implement user authorization and authentication with JWT and OAuth. • Migrated an old React application to a React Hooks. • Added language locale features on the frontend side with React Context API. • Solved real-time data fetching problem with Apollo GraphQL subscription on React-Native application.

• Building and maintaining Node.js server with the help of Express.js and Mongoose.js ODM for MongoDB database. • Responsible for Database designing and maintaining. • Develop a new UI with a step-by-step user flow and graphical insight. • Integrating backend server with frontend using frontend JavaScript libraries like React, Redux, etc. • The core task was to build and maintain the whole application using MERN stack technology.

• Front-end web app development using technologies like CSS, Sass, Bootstrap, Vanilla JavaScript (ES6, ES7) and React.js • Converting PSD and Website wireframes into responsive design. • Worked with Vanilla JS and Google Firebase with real-time data in the Chat room application.