Tangem is a high-tech company in the blockchain sector was 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. Company owns and promotes the technology of hardware cold-wallet for digital assets with secure and simple UX in 220 countries today. Our customers enjoy setup time within 1 minute with the ultimate security level for digital assets on their wallet. Tangem solutions offer multi-support of a growing number of thousands of tokens by a single wallet. SBI Crypto Investment Ltd., the digital asset venture investment company wholly owned by SBI Holdings Inc., has invested $15 million into Tangem in 2019 for mass adoption of blockchain technology.
About the project Tangem Pay is a next-generation payment solution that enables users to spend cryptocurrency directly via a virtual Visa card anywhere cards are accepted. The product is already live in production, designed to scale across regions, currencies, and regulatory environments, and serves as a bridge between self-custodial crypto assets and real-world financial payments.
Current Technology Stack: Node.JS, Nest.JS, JS/TS, TypeORM, PostgreSQL, AWS, React, NextJs, SCSS, Java, iOS (SwiftUI/Combine/async/await), Android (Kotlin, Coroutines)
Key Responsibilities
- Design and document end-to-end product flows between mobile applications, backend services, and external providers;
- Analyze and integrate third-party APIs;
- Produce technical documentation, sequence diagrams and feature specifications;
- Define API contracts between mobile applications and backend services;
- Analyze external partner documentation and determine integration approaches;
- Work closely with mobile, backend, product and design teams to clarify feature logic;
- Break down product requirements into clear technical tasks for development teams;
- Participate in sprint planning, backlog grooming and technical discussions;
- Maintain and update product and integration documentation.
Qualifications & Requirements
- 5+ years of experience as a System Analyst / Technical Analyst in product companies;
- Experience working with mobile applications and mobile-backend architectures;
- Strong experience describing API integrations (REST, JSON, webhooks);
- Ability to create technical diagrams and system documentation;
- Experience analyzing third-party APIs and technical documentation;
- Strong understanding of system integration patterns;
- Ability to identify edge cases in complex transaction flows;
- Excellent communication and documentation skills;
- English C1.
Perks & Compensation
- Stability, development, participation in the future unicorn's growth;
- Remote work from anywhere in the world, 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. vkolesnikov@tangem.com
About Tangem
Tangem is a Swiss-based high-tech blockchain company founded in 2017 and headquartered in Zug, Switzerland, with offices in North America, Europe, and APAC. Tangem manufactures cold hardware wallets that allow users to store digital assets safely using smartcards paired with mobile applications. Tangem wallets support thousands of tokens across multiple blockchains with a 1-minute setup time and serve customers across 220+ countries.