Senior Manual QA Engineer (web)

Toggle is a product company building eSIM and VPN solutions for global connectivity across all major platforms, including mobile, desktop, and TV.

Role Overview

Responsibilities

• perform manual testing of web applications, landing pages, customer portals, and subscription flows;
• validate end-to-end payment and subscription scenarios, including purchase, renewal, cancellation, refund, and billing recovery flows;
• test integrations between backend APIs and mobile clients;
• analyze and troubleshoot network traffic using sniffers and proxy tools;
• verify payment notifications and subscription lifecycle events for Android and iOS platforms;
• participate in release validation, regression testing, smoke testing, and production checks;
• create, maintain, and improve QA documentation, test cases, checklists, and testing strategies;
• collaborate closely with developers, product managers, designers, and support teams;
• help identify areas suitable for automation and assist in defining automation testing scope.

What We Expect from You

• 4+ years of experience as Manual QA Engineer;
• strong experience testing web applications and APIs;
• understanding of mobile application architecture and client-server interactions;
• hands-on experience with traffic inspection/sniffing tools (Charles Proxy, Proxyman, Fiddler, Wireshark, etc.);
• understanding of native mobile subscriptions and in-app purchase ecosystems: Google Play Billing / App Store subscriptions / Purchase, renewal, cancellation, refund, grace period, retry, and expiration flows;
• understanding subscription server notifications and payment-related webhooks for Android and iOS;
• understanding of mobile payment methods such as Apple Pay and Google Pay;
• experience testing REST APIs and backend integrations;
• understanding of test automation principles and ability to collaborate with automation engineers;
• experience creating and maintaining QA documentation.

Nice to have:

• experience with Stripe, SolidGate or another payment systems;

• experience with analytics platforms (such as Amplitude or similar);

• understanding of VPN technologies and VPN protocols;

• familiarity with eSIM technologies and mobile carrier integrations;

• experience testing mobile applications (iOS/Android);

• experience in automated testing (preferably TypeScript/JavaScript, but any programming language is suitable);

• experience working in subscription-based products.

Soft skills:

• ability to work independently and make decisions in ambiguous environments;
• strong communication and collaboration skills;
• proactive mindset and ownership mentality;
• high attention to detail.

Perks

• official employment and a competitive salary;

• paid vacation+5 personal days per year;

• full-time role with flexible start times and a hybrid setup (4 days in the office, 1 remote);

• support for growth: we cover professional courses, books, and conferences;

• private health insurance (including dental coverage);

• internal English classes;

• fast skill growth in a startup-paced environment;

• a culture of openness, respect, and honest feedback;

• minimal bureaucracy — maximum impact and momentum.

Ссылка на вакансию в банке вакансий на gsz.gov.⁣by:
*вакансия, планируемая к открытию (перспективная)

The vacancy is open to applicants who speak English fluently