
Senior Backend Engineer – NodeJs, Database Performance, Scalability
chatarmin.com
full-time
Posted on:
Location Type: Remote
Location: Remote • 🇦🇹 Austria
Visit company websiteSalary
💰 €60,000 - €120,000 per year
Job Level
Senior
Tech Stack
GrafanaJavaScriptMongoDBNode.jsNoSQLPostgresPrometheusRedisSQLSQLite
About the role
- Optimize database performance for high-throughput, low-latency queries using indexing, sharding, and caching strategies.
- Optimize NodeJs Backend for Performance, Reliability and DI for tests
- Monitor and tune backend systems for performance, leveraging tools like Prometheus, Grafana, and APM solutions.
- Enhance data pipelines for real-time processing, integrating with databases like PostgreSQL / Supabase / SQLite
- Collaborate with AI and frontend teams to ensure seamless integration and high availability of backend services.
Requirements
- 4+ years in backend engineering, with deep expertise in Node.js and database optimization.
- Proficiency in SQL/NoSQL databases (e.g., PostgreSQL, MongoDB, Redis) and query optimization techniques.
- Experience with how Database Systems work under the hood
- Strong knowledge of monitoring tools (Prometheus/Grafana) and performance profiling for backend systems.
- Excellent problem-solving skills and ability to work cross-functionally in fast-paced environments.
Benefits
- Young, highly motivated team with zero ego
- Speed over politics: If you have an idea, run with it
- Direct impact on the company and the product
- Real growth opportunities - we promote from within.
- This is a place to build your career
- Earn what you’re worth: We offer good base pay + uncapped commissions.
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
Node.jsdatabase optimizationSQLNoSQLPostgreSQLMongoDBRedisquery optimizationindexingsharding
Soft skills
problem-solvingcross-functional collaboration