Go Developer for Automated Web-Based Top-Up API

We are seeking an experienced Golang developer to design and implement a backend API that automates digital top-up operations through a third-party web interface. The system should replicate a real user flow: submitting required data, processing transactions, and returning structured responses via API endpoints. The solution must be reliable, scalable, and suitable for production use.

Key Responsibilities

Design and develop a backend API in Go Implement end-to-end transaction flow (request → submission → processing → response) Build a system that programmatically interacts with a web interface (form submission and flow replication) Handle session management, cookies, headers, and dynamic request parameters Implement robust error handling, retry logic, and logging Ensure performance optimization and system stability Strong experience with Go (Golang) backend development Experience with web automation or browser emulation (e.g., headless browsers or HTTP flow replication) Solid understanding of HTTP/HTTPS, sessions, cookies, and request lifecycle Experience working with protected or dynamic websites (rate limiting, anti-bot mechanisms, etc.) Ability to analyze and reproduce web flows without official API documentation Experience with tools such as chromedp, Playwright, or Puppeteer Background in high-load or transaction-based systems Familiarity with reverse engineering of web-based workflows Expected Outcome Production-ready API for automated top-up operations Clean, maintainable, and well-documented Go code Clear integration documentation Stable execution with minimal failure rate what need https://docs.google.com/document/d/1kHpWTHea5kAxZVSwyTRWU9vVE2t1WR05dBoNI8DSXIE/edit?usp=sharing Apply tot his job Apply To this Job