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Bakhatnur Baityeli, Software Developer in Dubai, United Arab Emirates
Bakhatnur Baityeli

Software Developer in Dubai, United Arab Emirates

Member since August 18, 2022
Bakhatnur is a full-stack developer with 12 years of experience in the eCommerce, crypto exchange, blockchain, and food delivery industries. He has expertly developed various services and web applications from scratch and has architected many services to scale them to millions of users. Bakhatnur is highly proficient in multiple technologies, including C#, .NET, Java, Spring Boot, Node.js, React, JavaScript, and AWS Cloud Computing Services.
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Portfolio

  • Talabat
    .NET, PostgreSQL, C#, IntelliJ, MacOS, .NET Core, AWS Lambda, Redis...
  • 1719 Solutions Inc.
    Python, MongoDB, Docker, Shopify API, Shopify, Serverless, Testing
  • GOPAX
    Node.js, Python, Java, Spring Boot, MySQL, IntelliJ, Linux, MacOS, .NET Core...

Experience

Location

Dubai, United Arab Emirates

Availability

Part-time

Preferred Environment

Java, Node.js, .NET, C#, .NET Core, JavaScript, Amazon Web Services (AWS), AWS Lambda

The most amazing...

...thing I've developed is a financial savings platform that allows users to earn interest on their crypto asset holdings.

Employment

  • Back-end Developer

    2021 - PRESENT
    Talabat
    • Developed new features on the vendor platform and scaled it to handle 100,000 requests per minute from 30,000 RPM.
    • Migrated the current service architecture to the event-driven microservice architecture using C#, .NET, and SQL Server. I also used Postgres and Kafka.
    • Improved the performance of the vendor platform by 50%. As the vendor platform is the company's core service, the change I made improved the overall company's system by 25%.
    Technologies: .NET, PostgreSQL, C#, IntelliJ, MacOS, .NET Core, AWS Lambda, Redis, Amazon Web Services (AWS), Algorithms, Data Structures, SQL, Python, Amazon ECS (Amazon Elastic Container Service), Amazon ECR (Amazon Elastic Container Registry), CI/CD Pipelines, Docker, REST APIs, Microservices, Spring Microservice, Caching, GitHub, Git, Jira, Miro, Apache Kafka, Amazon DynamoDB, Amazon Simple Queue Service (SQS), AWS Simple Notification Service (AWS SNS), HTML, CSS, APIs, Back-end, Blockchain & Cryptocurrency, AWS CloudFormation, API Integration, Web Development, Object-oriented Programming (OOP), Serializer/Deserializer (SerDes), C#.NET, Google Maps API, Jest, Serverless, Testing

  • Full-Stack Developer

    2022 - 2023
    1719 Solutions Inc.
    • Created a test suite for the current application to make the existing service easy to upgrade, build, deploy, and monitor.
    • Upgraded the service with the next Shopify API version and migrated the solution from Python 2 to Python 3. Reduced the codebase to make it easy to maintain and add features.
    • Fixed the UI and service bugs and improved the performance.
    Technologies: Python, MongoDB, Docker, Shopify API, Shopify, Serverless, Testing

  • Senior Back-end Developer

    2018 - 2021
    GOPAX
    • Developed user KYC and AML services using Java, Spring Boot, Node.js and WebSocket APIs.
    • Built crypto-related financial services and platforms through first-hand experience in the blockchain industry. Created the GOFi platform that gives interest to fixed-term and flexible-term products.
    • Added new functionalities for the order matching algorithm of the crypto exchange using Java 8.
    Technologies: Node.js, Python, Java, Spring Boot, MySQL, IntelliJ, Linux, MacOS, .NET Core, Redis, JavaScript, Amazon Web Services (AWS), Algorithms, Data Structures, SQL, Amazon ECS (Amazon Elastic Container Service), Amazon ECR (Amazon Elastic Container Registry), CI/CD Pipelines, Docker, Full-stack Development, React, React Redux, REST APIs, Microservices, Spring Microservice, Caching, Financial Software, Mobile Web, Algorithmic Trading, Cryptoeconomics, Cryptocurrency, ERC-20, GitHub, Git, Jira, Miro, Vue, MongoDB, Amazon DynamoDB, Amazon Simple Queue Service (SQS), AWS Simple Notification Service (AWS SNS), HTML, CSS, APIs, TypeScript, Express.js, Back-end, PHP, Blockchain & Cryptocurrency, AWS CloudFormation, WebSockets, API Integration, Microsoft SQL Server, Web Development, XML, Object-oriented Programming (OOP), Serializer/Deserializer (SerDes), Full-stack, MEAN Stack, Google Maps API, Firebase, Jest, Serverless, Testing, SMS

  • Senior Back-end Developer

    2016 - 2018
    TMON
    • Developed a photo review service and review moderation portal for the eCommerce platform.
    • Built the Today's Pick deals. Utilized various caching technologies to improve the performance as the Today's Pick deals are shown on the main page and accessed by millions of users.
    • Improved the performance of the service by flattening data and denormalizing by utilizing queue technologies and NoSQL databases.
    Technologies: Java, Spring Boot, MySQL, IntelliJ, Linux, MacOS, AWS Lambda, Redis, JavaScript, Algorithms, Data Structures, SQL, Python, CI/CD Pipelines, Full-stack Development, AngularJS, REST APIs, Microservices, Spring Microservice, Caching, Financial Software, Mobile Web, GitHub, Git, Bitbucket, Shopify API, Jira, Vue, MongoDB, Couchbase, Apache Kafka, HTML, CSS, APIs, TypeScript, Express.js, Back-end, PHP, Apache, LAMP, API Integration, Web Development, XML, Object-oriented Programming (OOP), Chrome Extensions, Testing, Web Scraping

  • Android Developer

    2008 - 2016
    Samsung
    • Developed in-house applications for the Samsung Galaxy S series.
    • Contributed to the Samsung TouchWiz and SDK by implementing reusable APIs and services.
    • Built a Screen Mirroring solution, the first of its kind in the 2010s. It was one of the standout features of the new Galaxy S series.
    Technologies: Java, Android, Android SDK, IntelliJ, MacOS, Algorithms, Data Structures, Perforce, Kotlin, C, C++, APIs, REST APIs, XML, Object-oriented Programming (OOP)

  • Co-founder

    2005 - 2008
    Massagan.com
    • Developed Massagan.com, one of the most popular social networks website in the Kazakh language.
    • Implemented everything from scratch, from back end to front end using JavaScript, PHP, MySQL, and Apache (LAMP stack).
    • Managed the deployment and user engagement and made strategic decisions on the product.
    Technologies: Algorithms, PHP, Linux, MySQL, LAMP, Apache, REST APIs, Web Development, Full-stack Development, Full-stack, Google Maps API, Chrome Extensions

Experience

  • GOFi | A Blockchain-based Financial Service
    https://www.gopax.co.kr/gofi?tab=my-product

    GOFi offers various fixed and open-term savings products that allow customers to earn interest on their crypto asset holdings.

    We distributed an interest daily for the open-term products, and for the fixed-term products, the interest would be paid along with the principal amount at the end of the term.

  • Vendor List Service
    https://apps.apple.com/us/app/talabat-food-grocery-order/id451001072

    A .Net-based back-end service that lists the restaurants for a given user's location. The system calculates the user's location and retrieves the best-matched restaurants with pagination, sorting, and ranking.

    While retrieving the restaurants from the database, the system joins more than 25 tables and returns the data in 100 milliseconds.

  • Order Matching Platform
    https://www.gopax.co.kr

    An in-memory order matching platform for the cryptocurrency exchange and the platform is a highly available, low latency software that matches the bid orders with the asks orders between the various crypto coins and fiat currencies. E.g., BTC-USD, ETH-USD, or BTC-ETH.

  • Korendy | Invoice and Billing Platform
    http://www.korendy.com.tr

    A billing and invoice generator plugin using Shopify API for Korendy.com. The application uses Shopify's admin APIs and Turkish invoice generator application and is customized for korendy.com, a leading cosmetic shopping platform.

  • Massagan.com
    https://web.archive.org/web/20080920122753/http://www.massagan.com/

    A social network website in the Kazakh language was built using the LAMP stack between 2005 and 2010.

    Though the website is not active anymore, at one point, it was considered one of the largest and the most popular websites in Kazakhstan.

    We were two engineers who developed the website from scratch.

Skills

  • Languages

    Java, Python, C#, JavaScript, SQL, HTML, CSS, XML, C#.NET, C, C++, TypeScript, PHP, Kotlin

  • Frameworks

    .NET, Spring Boot, Android SDK, .NET Core, AngularJS, Spring Microservice, Express.js, Jest, Angular

  • Libraries/APIs

    Node.js, React Redux, REST APIs, Vue, React, Shopify API, Google Maps API, WebRTC, Twitter API

  • Tools

    Amazon ECS (Amazon Elastic Container Service), Amazon ECR (Amazon Elastic Container Registry), IntelliJ, Git, GitHub, Perforce, Bitbucket, Jira, AWS CloudFormation, Amazon Simple Queue Service (SQS), Apache, AWS Simple Notification Service (AWS SNS)

  • Paradigms

    Microservices, Object-oriented Programming (OOP), Testing, MEAN Stack

  • Platforms

    Android, AWS Lambda, Amazon Web Services (AWS), Docker, Linux, Shopify, Blockchain, Apache Kafka, Firebase, LAMP

  • Storage

    PostgreSQL, MySQL, Redis, MongoDB, Couchbase, Microsoft SQL Server, Amazon DynamoDB

  • Other

    Algorithms, Data Structures, Full-stack Development, Caching, Financial Software, Mobile Web, ERC-20, Cryptocurrency, Cryptoeconomics, Miro, APIs, Back-end, Blockchain & Cryptocurrency, WebSockets, API Integration, Web Development, Serializer/Deserializer (SerDes), Serverless, Web Scraping, CI/CD Pipelines, Algorithmic Trading, Full-stack, Chrome Extensions, Mobile App Development, SMS, Real-time Streaming

Education

  • Master's Degree in Computer Science
    2006 - 2008
    Korea Advanced Institute of Science and Technology (KAIST) - Daejeon, South Korea

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