{"id":91110,"url":"https://alion.io/job/zencastr-senior-backend-engineer-remote","title":"Senior Backend Engineer (Remote)","company":{"id":34942,"name":"Zencastr","domain":"zencastr.com","url":"https://alion.io/company/zencastr","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":132000,"max_usd":228000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1056},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"JavaScript","optional":false},{"name":"Nest.JS","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Redis","optional":false},{"name":"TypeScript","optional":false},{"name":"React.js","optional":true},{"name":"WebRTC","optional":true}],"status":"live","first_seen_at":"2025-08-06T15:51:13Z","employer_posted_date":"2025-08-06","last_verified_at":"2026-10-17T06:48:11Z","board_verified":true,"closed_at":null,"days_open":436,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":436},"description":"Empower the voices of the world @ Zencastr. If you want to push the world of podcasting into the future, come join a team who loves to live on the edge! We are a fully distributed team of smart people who are passionate about changing the world one voice at a time.\nYou should join us if you:\nHave significant experience with NextJS, NestJS, Node.js and good knowledge of JS fundamentals\n\nHave a good understanding of computer science fundamentals. You might not have gone to school for it, but you know the difference between heap and stack, different time complexities, and which patterns to use and when.\n\nYou are ambitious. You might want to build your own company one day or have tried to tackle the toughest tech problems just for fun.\n\nYou enjoy writing Javascript or Typescript\n\nYou have an eye for performance. Whether thinking about the latest client-side bundling techniques, or the proper way to shard a mongo database, you want things to be fast.\n\nYou are a team player\n\nYou have good communication skills\n\nWhat sets you apart:\nYou have a passion for high-performance applications\n\nYou have significant open-source contributions\n\nYou want to work in a fast-growing startup. Which comes with the blood, sweat and tears of working to disrupt an established industry\n\nYou have empathy for the end user. A spec is a conversation starter, as an advocate for the end user you always are thinking about how to best serve their needs\n\nYou have an eye for code quality, and you strive to uphold best practices in engineering, security, and design\n\nWhy you should choose us:\nYou’ll be working with world class engineers, Phd’s, and designers in a fully distributed team\n\nWork in an agile and fast changing environment\n\nEquity commensurate to your contribution in a profitable company\n\nHealth insurance\n\nUnique challenges and the support and talent to solve them\n\n4 weeks PTO\n\nFreedom to work where you please\n\nWhat You’ll Do\nDesign, build, and maintain scalable backend services using NextJS Node.js and TypeScript.\n\nArchitect APIs and data pipelines that support real-time collaboration and media processing.\n\nOptimize performance, reliability, and latency across distributed systems.\n\nCollaborate with frontend, product, and DevOps teams to deliver end-to-end features.\n\nOwn projects from concept through deployment including testing, monitoring, and iteration.\n\nContribute to architectural decisions around microservices, caching, and event-driven design.\n\nMentor other engineers and help evolve our engineering culture and best practices.\n\nWhat You’ll Bring\n7+ years of backend engineering experience, with at least 3+ years in Node.js and TypeScript.\n\nDeep understanding of API design, data modeling, and distributed systems.\n\nExperience with microservices, message queues, and event-driven architectures.\n\nStrong grasp of performance optimization, observability, and error handling.\n\nFamiliarity with PostgreSQL, Redis, AWS, CPG or similar cloud infrastructure.\n\nComfort working in fast-moving environments with high autonomy and ownership.\n\nExcellent communication skills and a collaborative mindset.\n\nNice to Have\nExperience with WebRTC, media encoding, or real-time streaming.\n\nBackground in SaaS, creator tools, or audio/video platforms.\n\nContributions to open-source Node.js or TypeScript projects\n\nWhy You’ll Love Working Here\nWork on technology that empowers creators globally.\n\nJoin a small, high-impact engineering team solving complex technical challenges.\n\nCompetitive compensation, equity, and benefits.\n\nRemote-first culture with flexible hours and strong collaboration.\n\nOpportunity to shape architecture and influence product direction.\n\nThe Right Person\nYou’re not just writing code you’re building systems that scale creativity. You think in terms of architecture, reliability, and user experience. 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