Senior Backend Engineer
Enhance and maintain a foundational digital-asset custody platform; provide technical expertise for product and feature design; make independent architecture and implementation decisions; develop secure backend services and APIs with Node.js and TypeScript; maintain Azure CI/CD pipelines; oversee testing, rollouts, and go-live; and establish standards for code quality, testing, deployment, diagnostics, and monitoring.
Responsibilities
- Collaborate with developers to enhance and maintain the foundational custody platform
- Provide technical expertise during the design of new products and features
- Design APIs
- Make independent decisions about architecture, software design, and implementation
- Develop scalable and secure backend services and APIs using Node.js and TypeScript
- Implement and maintain Microsoft Azure CI/CD pipelines
- Test, roll out, and launch product increments
- Develop and maintain standards for code quality, clean code, automated testing, deployment, diagnostics, and monitoring
Requirements
- Proven experience designing and developing REST APIs with TypeScript and Node.js
- Experience with NestJS is advantageous
- Experience in the Microsoft Azure ecosystem, including Azure Functions and Azure DevOps CI/CD pipelines, is preferred
- Knowledge of MSSQL, PostgreSQL, CosmosDB, and/or MongoDB
- In-depth knowledge of web architectures, API design, and OAuth2-based authentication methods
- Experience with software security and automated testing is preferred
- Experience with low-code platforms such as Retool is a plus
- Interest in blockchain technology is essential
- Technical blockchain knowledge is advantageous
- Fluency in English at least B2 level
- German language skills are a plus
Benefits
- 30 days of vacation plus half-days off on December 24 and December 31
- Additional unpaid leave
- Two weeks of extra paid vacation for new parents
- Work from home or another location within Germany
- Workation for up to 40 days per year
- Flexible working hours
- Free yoga classes
- Team events
- Annual salary
- Choice of Mac or Windows hardware
- Monthly meal allowance
- Monthly mobility budget
- Monthly non-cash benefits budget for streaming, fitness, shopping and more