Senior Backend Developer; E-Commerce

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.

Stack:Node.js, Express.js, Medusa.js, JS/TS, Nest.js, TypeORM, PostgreSQL

We are looking for a Backend Engineer to join our team and work on our existing E-Commerce platform where we sell our own cold crypto wallets. The platform is built on Medusa.js, and while it's already live, there's still a lot to build from scratch and improve.

Responsibilities:

• Participate in the design and creation of APIs;
• Optimize service and database performance;
• Interaction with related teams (mobile development teams, QA, etc.).

Requirements:

• Good experience with relational databases;
• Strong knowledge of Node.js;
• Strong knowledge of Type Script;
• Ability to write complex SQL queries.

Nice to Have

• Experience working with Medusa.js;
• Background in building or maintaining E-Commerce platforms;
• Experience with Docker;
• Experience setting up and using online profiling, logging, and monitoring tools;
• Familiarity with DDD;
• Familiarity with hexagonal architecture.

What We Offer:

• Stability, development, participation in the future unicorn's growth;
• Remote work from anywhere in the world;
• Competitive salary in EURO/USDT;
• Vacation 20 working days per year;
• Birthday presents;
• Compensation for the purchase of necessary technical devices for the work;