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Job Description: We’re looking for a skilled and detail-oriented QA tester based in South Korea to help us test the API functionality of our payin and payout systems. You will play a key role in validating the reliability and accuracy of our payment processes, ensuring everything runs smoothly from start to finish. Scope of Work: * Conduct end-to-end testing of API-based payin and payout transactions * Monitor and record the full transaction process, including responses and behavior at each stage * Identify and report bugs or unexpected results with clear documentation * Work closely with developers to replicate issues and verify fixes * Offer suggestions to improve testing coverage and process reliability Requirements: * Must be physically located in South Korea (for regional payment flow testing) * Prior experience testing financial APIs, especially payins/payouts is an advantage * Ability to record and present clear test results and logs Budget: * This task is relatively straightforward and does not require deep technical expertise, so we’ve set a budget accordingly. * Please provide the recording so that we can evaluate whether it is successful. Each test lasts around 5-10 minutes each.
Project ID: 40467976
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8 freelancers are bidding on average $16 USD for this job

We are pleased to submit this proposal for [Api Testing]. Our team has extensive experience in delivering high-quality solutions that meet client requirements on time and within budget. We understand the objectives of this project and are committed to providing a professional, efficient, and cost-effective service.
$20 USD in 7 days
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2.4

QA Engineer with 8+ years of experience in API, payment flow, and backend testing using Postman, JMeter, SOAPUI, and SQL. Experienced in validating end-to-end transaction workflows, API responses, authentication, error handling, and regression testing. Strong expertise in bug reporting, documentation, and collaboration with developers for issue verification and retesting. Detail-oriented and experienced in delivering clear test evidence, logs, and reports for reliable financial transaction systems.
$20 USD in 7 days
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Hello, this is a payments API QA task with a regional validation constraint, and the main issue is not the API call itself but proving transaction-state correctness across payin, payout, and any asynchronous status changes. I’ve built and debugged production API systems where the hard part is isolating where a flow diverges, capturing enough evidence to reproduce it, and separating transport success from actual business completion. The closest relevant work here is Enterprise ProxyTool Client App for multi-stage request tracing and Dent-Cloud for documented API behavior and verification discipline. I usually structure this kind of testing around a clear transaction ledger: request submitted, immediate response captured, downstream state transitions observed, and final outcome verified against expected behavior. That makes bug reports actionable instead of just noting that something failed. For a payments flow, I’d focus on response consistency, state transition gaps, callback or delayed-update behavior, and whether regional conditions in South Korea change the path. If useful, I can outline a compact test matrix and a defect-report format that captures recordings, logs, and transaction-state evidence cleanly. Clifton
$20 USD in 7 days
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Hi there, I read through the scope carefully, and the key part here is not just “click testing” the flows, but validating how the payin and payout APIs behave across the full transaction lifecycle - including response consistency, failure handling, and verification after fixes are deployed. My background is primarily in fintech and banking environments where payment reliability, transaction tracing, and API validation are critical parts of delivery. I’ve worked extensively with REST APIs, transaction workflows, integration testing, and issue reproduction processes, so I understand the importance of capturing clean logs and reproducible evidence for payment-related systems. For this task, I can: * Execute end-to-end payin/payout flow testing * Record transaction behavior and API responses clearly * Document bugs with reproducible steps and timestamps * Verify fixes after updates from your development team * Provide structured feedback to improve test reliability One important note: I’m not physically located in South Korea, so if the regional restriction is mandatory for local payment routing validation, that may limit my ability to test certain localized flows directly. However, from a technical QA/API perspective, the testing and documentation side is fully aligned with my experience. Since each test is short, I can start quickly and deliver recordings plus structured findings within 1 day of receiving access and test instructions.
$10 USD in 1 day
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Hi there, I've built solutions for api functionality before — this is right in my wheelhouse. Here's how I'll approach it: 1) Understand requirements and confirm scope 2) Implement with clean code + tests 3) Deploy with documentation Timeline: 3 day(s) | Bid: $18 Full payment only when you're satisfied. If the work doesn't meet your standards, you don't pay. Let's discuss — I'm available right now.
$18 USD in 3 days
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Experienced Software Test Analyst with skills in QA testing, API validation, regression testing, bug reporting, and documentation. I provide detailed test results, reliable issue tracking, and strong collaboration with developers to ensure smooth and accurate payment transaction processes.
$10 USD in 7 days
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I have experience as QA tester especially end-to-end testing using postman. You can check my portfolio on my profile,thanks a lot and very excited to her your feedback
$10 USD in 7 days
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Imus, Philippines
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