> Markdown version of [/jobs/ext/3283087-sr-software-engineer-playlist](https://www.wearedevelopers.com/jobs/ext/3283087-sr-software-engineer-playlist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr Software Engineer - Playlist - **Company:** The Playlist LLC - **Location:** United States (Remote available) - **Experience:** Expert - **Salary:** $151,275.0 - $210,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Automation of Tests, C Sharp (Programming Language), Code Review, Continuous Integration, Data Governance, Data Stores, Cursor, Shard (Database Architecture), Distributed Systems, Amazon DynamoDB, Gradle, Junit, PostgreSQL, MongoDB, NoSQL, Performance Tuning, Systems Development Life Cycle, Redis, E2e Testing, Mockito, Service-Oriented Architecture, Datadog, Data Logging, .NET Core, Retrieval-Augmented Generation, Large Language Models, Grafana, Concurrency, Spring-boot, Indexer, Backend, Kotlin, Kubernetes, Low Latency, Kibana, New Relic (SaaS), Microservices - **Published:** September 4, 2026 - **Apply:** https://arc.dev/remote-jobs/j/redirect/po2l2ykeg0 ## About the Role * 8+ years building and operating backend systems for high-traffic and high-reliability products * Strong system design skills across distributed systems (latency, throughput, durability, backpressure, idempotency, retries, timeouts) * Deep understanding of data modeling and persistence (relational and/or NoSQL), including tradeoffs around normalization, transactions, and consistency * Experience designing service-oriented architectures (microservices or modular monoliths), including service-to-service communication patterns * Solid CS fundamentals and engineering judgment, proficiency in an OO language (e.g., Java/Kotlin/C#), and a solid understanding of SDLC and Agile methodologies * AI-native builder mindset with strong judgment; understanding of AI tooling such as MCPs, evals, RAG are good to have * Strong communication and collaboration across functions Tools and Systems You don't need experience with every item below-what matters is strong fundamentals and the ability to learn quickly. * Languages and Frameworks: Java/Kotlin/C#, SpringBoot/NetCore. async/concurrency, RPC/REST * Data: PostgreSQL/MongoDB/DynamoDB, Redis, schema migrations, indexing, partitioning/sharding * Runtime & tooling: gradle, monorepos, CI/CD * Testing: unit/integration/e2e testing (JUnit/Mockito/TestContainers) * Observability: metrics/logging/tracing; New Relic/Datadog/Kibana/Grafana * AI tooling: Claude Code/ Cursor/ Codex-style coding assistants; MCPs; agent/orchestration frameworks; safety harnesses * Engineering Practices: automated testing, code reviews, CI/CD, observability, on-call, incident management - with AI-accelerated workflows where appropriate It is the Company's intent to pay all Team Members competitive wages and salaries that are fair and equitable. Actual compensation packages are based on several factors unique to each candidate, including skill set, depth of experience, certifications, and work location. The goal of Company's compensation program is to be transparent, attract potential employees, meet the needs of all current employees, and encourage Team Members to stay with our organization. ## Description You'll build and operate the backend systems that power Playlist. This is a senior, hands-on role focused on distributed systems, data modeling, and pragmatic system design-delivering reliable services at scale while keeping the architecture simple and maintainable. You'll also operate at the edge of what's possible by leveraging AI (LLMs and agentic tooling) to accelerate delivery, improve quality, and push system capabilities forward. * Partner with Product and Design to deliver features from ideation through deployment, iterating based on feedback and outcomes * Design and ship backend services and APIs end-to-end, owning system design and architecture decisions across service boundaries, data ownership, consistency models, failure modes, and others * Model and store data thoughtfully: schema design, indexing/partitioning, migrations, and performance tuning * Promote engineering excellence by driving simplicity, strengthening operational health, and upholding quality through automated testing, code reviews, and monitoring/observability * Mentor teammates and raise the bar for engineering rigor and clarity, including best practices for responsible AI usage, _By entering your email and phone number and submitting your application, you consent to receive emails, calls and SMS about your application and other roles at The Company, including by auto-dialer. Message and data rates may apply. Opt-out or text STOP to cancel at any time. If you are a California resident or reside outside the United States then by submitting your application you confirm that you have read, understood, agree and - where applicable - grant your prior, free, informed and express consent for the processing of your personal information, including sensitive personal information, as described in our California Applicant Privacy Notice or International Applicant Privacy Notice (as applicable). _Note: This description outlines key responsibilities but isn't intended to cover every task or duty. 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