About Tangem
Tangem is a high-tech company in the blockchain sector, founded in 2017, headquartered in Zug, Switzerland, with branches in North America, Eastern Europe, and APAC. Tangem started with the idea of bringing digital assets to the masses using a unique combination of a smartcard-based hardware wallet and mobile applications. The company owns and promotes the technology of a hardware cold-wallet for digital assets with secure and simple UX in 220 countries today.
Responsibilities
•Drive core product functionality development (e.g. auto top-ups, transaction logic, core flows)
•Design and document end-to-end backend-driven flows across mobile apps, backend services, and external providers, with a strong focus on how these flows are reflected in mobile UI
•Actively work with mobile product interfaces: analyze, describe and align UI behavior with backend logic and integrations
•Own and lead third-party integrations
•Define and evolve system architecture and under-the-hood solutions for integrations and core features
•Work hands-on with API design, contracts, and integration logic between internal and external systems
•Analyze external partner documentation and proactively define integration approaches
•Produce clear, structured technical documentation (specs, schemes, methods, structures), including detailed descriptions of mobile UI flows and states
•Communicate directly with external providers and partners during integration processes
•Collaborate closely with backend, mobile, and product teams to ensure correct, scalable, and user-friendly implementation
•Break down product requirements into implementation-ready technical tasks, considering both backend logic and mobile UI behavior
•Participate in technical discussions, planning, and solution design, not just documentation
Requirements
•4–5+ years of experience as a System / Technical Analyst in product teams
•Strong experience working with mobile applications, including understanding and describing mobile UI/UX flows
•Strong backend understanding (data flows, services, integrations, architecture)
•Proven experience working with API integrations and external systems
•Hands-on experience with REST APIs, JSON, webhooks, and integration patterns
•Ability to design and describe system architecture and complex backend logic
•Experience working with external providers (payments, platforms, etc.)
•Understanding of mobile-backend interaction (required)
•Ability to identify edge cases in complex transactional and UI-driven flows
•Excellent communication and documentation skills
•English C1
Nice to have: Background as a developer transitioning into analytics is a strong plus
Conditions
•Stability, development, participation in the future unicorn's growth
•Remote work from anywhere in the world, excluding Russia and Belarus, with a schedule aligned with GMT+3
•Competitive salary in EUR/USDT
•Unlimited vacation
•Birthday presents
•Compensation for the purchase of necessary technical devices for the work
•Paid sick leaves
