Projects and case studies where we supported product quality

Web, mobile, and desktop products where we helped teams control release risk, validate critical flows, and confirm stability after changes.

Cases by platform

Below are the products we worked on: what kind of service it was, where the main QA focus was, and what support format the team needed.

Featured case

Lunu

2019-2026

Lunu Pay: Best Bitcoin & Crypto Payment Gateway & Processor — a crypto payment platform that lets businesses accept crypto and automatically convert it to fiat.

Fintech Web platform Manual + Automation QA

Focus: payments, KYC/KYT, exchange logic, API coverage, and release-critical checkout flows.

• Controlled payment, conversion, and Web3 flows across web, mobile, and backend releases.
• Validated integrations with crypto wallets, terminals, and fiat payment providers.
• Covered KYC / KYT, AML logic, rates, fees, and transaction integrity before rollout.
• Retested critical acquiring, token, and payment edge-case changes before release windows.
• Used REST API validation and fast QA feedback loops to keep release risk visible.

Result: the team received validated stability of payment and conversion flows before releases and acquiring-related changes.

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Lunu Wallet

2019-2021

Lunu Wallet — a modern multi-chain crypto wallet for managing crypto assets in one mobile app. Supports Bitcoin, Ethereum, USDT, ERC-20 tokens, TRON, and more.

Crypto Mobile app Manual QA + regression

Focus: seed phrase recovery, transactions, security, NFT handling, and cross-platform behavior on iOS and Android.

• Validated wallet creation, backup, and recovery via seed phrase.
• Checked sending, receiving, and transaction-status behavior across networks.
• Covered exchange, token, NFT, and DeFi-related mobile scenarios.
• Verified encryption, authentication, private-key handling, and user-data protection.
• Ran cross-platform retest on iOS and Android before mobile releases.

Result: key wallet scenarios passed repeat validation more predictably, and critical defects were found before product updates reached production.

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Lunu mPos

2019-2026

Lunu mPos — an advanced crypto terminal for processing cryptocurrency payments.

Fintech Mobile terminal Release + regression QA

Focus: crypto payments, APM, network stability, AML/KYC validation, and recovery after device or connection failures.

• Validated crypto payment acceptance, fiat conversion, and alternative payment methods.
• Covered rates, fees, totals, and multi-currency logic in terminal scenarios.
• Checked terminal UI, Remote Dashboard, and user-facing payment edge cases.
• Tested network resilience across WiFi, Cellular, Bluetooth, disconnects, and recovery.
• Verified integrations with external APIs, anti-fraud logic, and fiat gateways.

Result: terminal releases moved forward with validated payment flows, covered network edge cases, and more predictable post-failure behavior.

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Featured case

ExpoFP

2019-2025

ExpoFP — a web/SaaS platform for event planning, including exhibitions and conferences.

SaaS Web platform Payment + release QA

Focus: subscriptions, payment gateways, localization, currencies, and cross-browser reliability.

• Covered cross-browser validation for a SaaS platform used in event and expo workflows.
• Tested integrations with PayPal, Stripe, Authorize.Net, and Square.
• Validated billing, subscriptions, refunds, and auto-renewals without regression buildup.
• Checked currencies, localization, and declined / network-error payment behavior.
• Provided fast release feedback on checkout and billing changes.

Result: the team could validate payment and subscription changes faster without accumulating regressions in service-critical scenarios.

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SqlBak

2019-2025

SqlBak — a web service and application for automating database backup and restoration.

B2B / SaaS Desktop + web Functional + integration QA

Focus: backup / restore flows, cloud integrations, transfer reliability, and monitoring alerts.

• Validated scheduled backup and restore flows for MySQL, PostgreSQL, SQL Server, and Azure SQL.
• Tested integrations with Google Drive, Dropbox, Amazon S3, OneDrive, and similar storage providers.
• Checked encryption, compression, transfer reliability, and alerting behavior.
• Covered both the web layer and backup agent on Windows and Linux environments.
• Retested critical defects in the scenarios where guaranteed recovery really matters for business users.

Result: backup, restore, and cloud-storage integrations were validated in the scenarios that matter most for real business use.

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SQLBackupAndFTP

2019-2025

SQLBackupAndFTP — a tool for backing up and restoring databases (SQL Server, MySQL, PostgreSQL).

B2B tool Desktop + web Regression + integration QA

Focus: scheduled backup jobs, cloud storage, encryption, restore scenarios, and agent stability.

• Validated backup and restore cycles for SQL Server, PostgreSQL, MySQL, Azure SQL, and Amazon RDS.
• Tested cloud-storage integrations and backup transfer scenarios.
• Checked encryption, compression, monitoring, and log-shipping-related behavior.
• Covered the web app, backup agent, and both Linux and Windows environments in realistic flows.
• Retested fixes in recovery-related scenarios where failures directly affect business-critical continuity.

Result: the team gained more predictable backup-feature releases and better control over risk in recovery-related scenarios.

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Focus: transactions, NFT, DeFi integrations, seed phrase recovery, and user data security.

• Validated sending, receiving, and transaction monitoring across multiple crypto assets.
• Covered exchange flows, NFT scenarios, and integrations with DeFi protocols.
• Tested encryption, authentication, backup / recovery, and wallet creation via seed phrase.
• Ran cross-platform retest on iOS and Android for the most critical access-to-funds flows.
• Gave the team fast feedback on defects that directly affect security and user trust.

Result: critical wallet scenarios were validated across devices, reducing the risk of access loss or incorrect transaction behavior before release.

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Scrin.io

2023-2025

Scrin.io — a modern time tracker for teams that provides transparent activity monitoring on Windows and macOS without any spying.

Desktop SaaS Windows / macOS Release + retest QA

Focus: tracking accuracy, offline sync, privacy, and stable desktop releases.

• Validated start / stop tracking, time accuracy, and user-activity recording.
• Covered activity logs, notifications, and reporting through smoke and regression cycles.
• Used exploratory checks to validate UX and navigation in daily desktop usage.
• Tested privacy, security, offline mode, and synchronization after reconnect.
• Ran cross-platform validation on Windows and macOS before release-critical updates.

Result: the team received confirmation that releases did not break time tracking, synchronization, or user trust in the product.

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