Backend Engineer
New
J
JobgetherFinancial technology
Based in NetherlandsFull-TimeMiddle
Salary€60,000–€90,000 fixed annual salary; VSOP opportunity; Employee participation in company profits.
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Job Details
- Languages
- Both German and English
- Experience
- Several years of professional experience
- Required Skills
- Node.jsPostgreSQLKafkaMongoDBTypeScriptClickhouseRedisData modeling
Requirements
- Several years of professional experience developing large-scale, scalable APIs and backend systems.
- Deep expertise in Node.js and TypeScript.
- Strong API design skills, including clear thinking about interfaces, architecture, and data models.
- Strong experience with databases and data technologies such as PostgreSQL, MongoDB, ClickHouse, Redis, or Kafka.
- High standards for stability, developer experience, performance, and code quality.
- Ability to take end-to-end ownership of projects across technologies, services, and teams.
- Ability to communicate clearly and precisely in both German and English.
- Comfort working in a small team where individual contributions have significant impact.
- Nice to have: experience with financial, stock market, or cryptocurrency data.
- Nice to have: experience with LLMs and AI agents, particularly when processing large volumes of data.
- Nice to have: experience building backend systems for complex data dashboards and visualization products.
Responsibilities
- Design, develop, and maintain the central API and backend services using Node.js and TypeScript.
- Build efficient services that deliver data and calculations reliably and support a strong developer experience for client developers.
- Design APIs and data models that abstract complexity for internal developers and end users.
- Scale backend systems and infrastructure while maintaining reliability, performance, and maintainability.
- Develop and validate new products, services, and ideas through MVPs and technical experimentation.
- Take ownership of the API's stability, usability, performance, and continued evolution.
- Debug and resolve production issues across the technology stack.
- Improve engineering standards, tooling, development processes, and technical practices.
- Collaborate with frontend, design, and product teams and coordinate projects across technologies, services, and stakeholders.
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