Senior Backend Developer (Node.js)

About the role

This role focuses on developing and maintaining a crypto exchange aggregator, a core component of Tangem's blockchain solutions. The work involves contributing to new projects, evolving the current system architecture, and managing the release process. A key aspect of the job is ensuring the stability and scalability of applications under increasing load.

As a senior developer, you will be responsible for writing tests, participating in task planning and estimation, and debugging production issues. The position requires a solid understanding of software design principles and security vulnerabilities to build robust and reliable systems. You will work within a company that aims to make digital assets accessible to a broad audience.

Success in this position means delivering high-quality, performant backend solutions that support Tangem's mission. This includes optimizing applications, writing efficient code, and proactively addressing potential security concerns. The role offers the chance to contribute to a company with a global presence in the blockchain sector.

The annual salary for this position ranges from $115,000 to $195,500 USD, or equivalent in EURO/USDT.

Skills that matter here

• Node.js: This is the primary backend technology used for development and profiling applications in production.
• Nest.js: Experience with this framework is expected for building server-side applications.
• PostgreSQL: The role requires the ability to write and optimize complex SQL queries without relying solely on ORMs.
• AWS: Familiarity with cloud services is relevant for infrastructure and deployment.
• Github Actions: This tool is used for continuous integration and deployment workflows.
• Redis: Experience with Redis is relevant for caching and data storage solutions.

Who this role suits

• A developer who can independently manage the full development lifecycle, from planning to production release.
• Someone who prioritizes application security and performance, with a focus on preventing vulnerabilities and optimizing for high traffic.
• An individual comfortable writing and optimizing complex SQL queries directly, rather than always relying on ORM tools.
• A person who thrives in a remote work setting and can contribute effectively to a globally distributed team.

From the employer

• Developing crypto exchange aggregator.
• Maintaining and evolving the current architecture.
• Participating in new projects and infrastructure code development.
• Writing tests.
• Contributing to task planning and estimation.
• Managing the release process to production.

• Experience in backend development using Node.js and profiling applications in production.
• Solid understanding of software design principles and patterns.
• Understanding of common application security vulnerabilities and knowledge of how to prevent and mitigate them.
• Ability to write complex and efficient SQL queries without relying on an ORM, and optimize them when needed.
• Experience optimizing applications to handle increasing load and traffic.
• Experience with monitoring, logging, and debugging production issues.
• Experience writing unit and end-to-end (E2E) tests.

• Stability, development, participation in the future unicorn's growth.
• Remote work from anywhere in the world.
• Competitive salary in EURO/USDT.
• Unlimited vacation.
• Birthday presents.
• Compensation for the purchase of necessary technical devices for the work.
• Paid sick leaves.