Senior Backend Engineer – Surfaces

Spotify

Senior Backend Engineer automating experimentation workflows for Spotify's personalization features. Collaborating with cross-functional teams on scalable infrastructure and ensuring high-quality user experiences.

Posted 5/12/2026full-timeRemote • New York • 🇺🇸 United StatesSenior💰 $165,000 - $235,000 per yearWebsite

Tech Stack

Tools & technologies

Distributed Systems

About the role

Key responsibilities & impact

Own and evolve the core experimentation service, building agentic workflows that automate experiment setup, configuration, and validation across multiple backend systems
Design and maintain API-first orchestration layers that coordinate across experimentation and content delivery systems
Build and integrate LLM-driven workflows into robust, production-ready infrastructure, including planner, generator, and validator architectural patterns
Define and uphold SLOs and SLAs for experimentation infrastructure, contributing to a strong culture of reliability and operational excellence
Partner closely with content, feature, and platform teams to scale automated experimentation patterns across a growing range of surfaces and configurations
Identify, diagnose, and resolve bottlenecks in experiment orchestration to ensure fast and reliable workflows
Collaborate across squads to continuously improve how experimentation and evaluation are delivered across Spotify Surfaces
Contribute to architectural decisions that improve system scalability, observability, and maintainability

Requirements

What you’ll need

You have experience building and operating large-scale backend systems serving high-traffic user experiences
You’re comfortable using AI-assisted tools to develop high quality software.
You are experienced with distributed systems, APIs, and service-oriented architecture
You know how to design systems with performance, scalability, and reliability in mind
You are a product-minded engineer who thrives at the intersection of infrastructure, AI, and experimentation
Experience translating conceptual architectures into scalable, production-ready code
Comfortable working across multiple teams and collaborating with cross-functional partners
You care about creating maintainable systems that enable fast iteration and experimentation
Motivated by turning fragmented, manual processes into elegant, automated workflows
Experience defining and working with SLOs, SLAs, and observability tooling
Experience with LLMs, agent frameworks, or A/B testing infrastructure is a bonus

Benefits

Comp & perks

health insurance
six month paid parental leave
401(k) retirement plan
monthly meal allowance
23 paid days off
13 paid flexible holidays
paid sick leave

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

backend systemsAPIsservice-oriented architecturedistributed systemsLLMsA/B testing infrastructureSLOsSLAsobservability toolingproduction-ready code

Soft Skills

collaborationcross-functional teamworkproduct-mindedproblem-solvingautomationreliability focusscalability focusmaintainability focusiterationcommunication