Senior Backend Software Engineer
Core
Design, build, and operate scalable backend systems, data pipelines, and services, owning the work from design to production.
Role type
Senior Backend Software Engineer
Builds
Products, features, modules, data pipelines, and services (via careerplan.io/jobs/60-002-46-21A-senior-backend-software-engineer-at-fiverr)
Domain
Internet / E-commerce / Marketplace
Deliverable
production ML models
Required skills
Modern backend language (Kotlin, Java, Node.js, Ruby, Python), API design, data modeling, performance optimization, reliability engineering, observability, AI coding tools, AI-powered product feature design
Preferred skills
Frontend contribution, cross-disciplinary work
Technologies
Kotlin, Java, Node.js, Ruby, Python, Claude Code, Cursor, Codex
Responsibilities
Develop products and features end-to-end, build and operate data pipelines and services, manage on-call shifts
Seniority
Senior, hands-on IC
