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Work Background
Backend Developer
AgencyBackend Developer
Sep. 2023GermanyAs a Backend Developer contractor, I specialize in designing, developing, and maintaining robust backend APIs using NestJS. My role involves working with both GraphQL and REST architectures to ensure seamless integration of APIs into applications. I focus on optimizing performance and scalability to support a rapidly growing user base, while implementing robust error handling and security measures to protect sensitive data and maintain data integrity. Additionally, I conduct thorough code reviews to uphold high standards of code quality, maintainability, and adherence to best practices. Key Responsibilities: Design, develop, and maintain backend APIs using NestJS, focusing on both GraphQL and REST architectures. Ensure seamless integration of APIs into various applications. Optimize API performance and scalability to accommodate a rapidly expanding user base. Implement error handling and security measures to protect sensitive data and maintain data integrity. Conduct code reviews to ensure high code quality, maintainability, and adherence to best practices.
Senior Fullstack Developer
DailyPassSenior Fullstack Developer
Apr. 2020 - Oct. 2024
Senior Fullstack Developer / Principal Engineer / Solutions Architect
Mashub Pte LtdSenior Fullstack Developer / Principal Engineer / Solutions Architect
Sep. 2019 - Oct. 2024- Converting Business Requirements/Discussing with CTO about Infrastructure and create Jira Tasks to separate out Task - Selecting (Freelance) Developer/Task fit for assigning Tasks - Keeping the Developer Backs from and providing assistance where required - Updating tasks/Specification based on incoming information - Developing on different Projects - Finding and fixing errors on different projects - Prototype Development and working with the Team to develop an Order Routing System for Robinhood that distributes incoming Customer Food orders to the POS Vendors and the restaurants behind them - Investigation in preparation of extending an 5G Smart City Solution to include Notification of Citizens in the Mobile App about Environmental Warnings (floodings, Air Pollution Levels, etc.)
Senior Fullstack Developer
Travel Ads NetworkSenior Fullstack Developer
Sep. 2019 - Oct. 2024Extending capabilities of an Accommodation Booking Engine (Python 3, Vanilla JavaScript, PHP, CodeIgniter) Creating TripAdvisor Service for batch querying Booking Engine (NodeJS, LoopBack 3, Redis, Scalability) Creating Tax Service for reverse calculation and handling display requirements of TripAdvisor (NodeJS, Loopback, JSON, Rule-based System, Scalability) Support Data Scientist to evolve Prototype into production-grade APIs (Python, Flask, Redis, Pandas, Scalability) Setup Infrastructure on Google Cloud (GCP, GCE, Firewall, Load Balancer)
Senior Fullstack Developer
DeetripSenior Fullstack Developer
Sep. 2019 - Oct. 2024Deetrip.com travel marketplace drives direct online bookings with add-ons to increase profitability and revenues for our travel partners. Hotels and Accommodations can now control their rates, increase direct payments, retain and acquire new customers, up-sell their facilities with Perks to increase the average basket size while creating a new revenue stream. Our mobile first technology uses Big Data, AI and machine learning to target travelers across multiple channels and devices to ensure better conversions, higher margins and lower cancellation rate at no upfront cost.
Software Developer
ROD MediasSoftware Developer
Jun. 2018 - Nov. 2019ThailandKeyword based research on YouTube (Docker, Node.js, Loopback, RabbitMQ, MySQL, Angular, TypeScript, Bootstrap) Google Chrome Extension interacting with a website (JavaScript, Ajax, Parsing) Logistics Module for easier overview (Docker, Node.js, Loopback, RabbitMQ, MySQL, Angular, TypeScript, CoreUI, Bootstrap) Zapier Automations (HR Hiring Process, Processing and Assigning Tasks) (Zapier) Google Sheets based data transformation from Amazon reports to Xero Accounting System (Google Sheets API, JavaScript) Custom Integration of GQueue and Slack (Docker, Node.js, Loopback, RabbitMQ, MySQL, Rest API) Custom version of Wordpress Plugin to add mulitlanguage capabilities (Wordpress, PHP)
Customer Service
KLIM TechnologiesCustomer Service
Dec. 2017 - Feb. 2018HongkongProviding Answers to Customer Request Helping Customers with Replacements Reacting on Reviews & Feedback Translating User Manuals & Marketing Material
Full-Stack Developer Node.js, Angular, MongoDB, Loopback, Docker
SelbstständigFull-Stack Developer Node.js, Angular, MongoDB, Loopback, Docker
Apr. 2016 - Nov. 2020Remote Worldwide
Softwareentwickler
CDA GmbHSoftwareentwickler
Apr. 2013 - Mar. 2016Suhl
Softwareentwickler
Kartosoft GmbHSoftwareentwickler
Jan. 2013 - Mar. 2013Lüneburg
IT-Systembetreuung
ACO Passavant GmbHIT-Systembetreuung
Jun. 2011 - Dec. 2012Philippsthal

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Fullstack Developer: Backend Expertise in Modern Tech
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