{"id":1260143,"url":"https://alion.io/job/grai-software-engineer-backend-infra","title":"Software Engineer (Backend & Infra)","company":{"id":1836931,"name":"GRAI","domain":"grai.fm","url":"https://alion.io/company/grai-fm","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":54000,"max_usd":102000,"period":"year","method":"role_country_seniority_unknown","sample_n":690},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon S3","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"C++","optional":false},{"name":"Docker","optional":false},{"name":"DuckDB","optional":false},{"name":"FFmpeg","optional":false},{"name":"GCP","optional":false},{"name":"Go","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"Polars","optional":false},{"name":"Python","optional":false},{"name":"Ray","optional":false},{"name":"Rust","optional":false},{"name":"Spark","optional":false},{"name":"Terraform","optional":false},{"name":"TypeScript","optional":false},{"name":"C","optional":true}],"status":"live","first_seen_at":"2026-09-10T10:12:31Z","employer_posted_date":"2026-09-10","last_verified_at":"2026-09-26T18:47:49Z","board_verified":true,"closed_at":null,"days_open":16,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":16},"description":"About GRAI\nGRAI is reimagining how music is discovered and shared, created around the social layer of it. We're pre-launch, moving fast, and building the infrastructure for how the next generation of artists connects with their audience.\nThe role\nYou’ll build the systems that make GRAI’s AI music products work. From backend services and media pipelines to model inference and infrastructure, you’ll own hard technical problems end-to-end and help shape the architecture as we scale.\nWhat you’ll own\nDesign, build, test, and maintain production software used in GRAI’s AI music products.\n\nBuild backend services, APIs, workers, internal tools, and orchestration systems for media and AI pipelines.\n\nWork with audio/video processing systems, including formats, codecs, transcoding, metadata, storage, streaming, and delivery.\n\nBuild and optimize systems around model inference, job queues, scheduling, batching, caching, retries, and observability.\n\nWhat we’re looking for\nStrong software engineering experience building production systems.\n\nStrong Python experience.\n\nSolid understanding of data structures, algorithms, complexity, and practical performance tradeoffs.\n\nExperience with distributed systems, backend services, APIs, queues, databases, object storage, and cloud infrastructure.\n\nAbility to debug complex issues across code, infrastructure, network, storage, and service boundaries.\n\nExperience writing clean, tested, maintainable code.\n\nAbility to work independently, make good technical decisions, and own projects end-to-end.\n\nEspecially relevant experience\nExperience with one or more additional languages: Go, Rust, C++, Java, TypeScript, or similar.\n\nExperience with audio, video, media processing, codecs, containers, streaming, transcoding, FFmpeg, or similar systems.\n\nExperience with ML infrastructure, model serving, GPU workloads, inference optimization, batching, or distributed training/inference systems.\n\nExperience with cloud infrastructure, Kubernetes, Docker, Terraform, AWS/GCP/Azure/Nebius, or similar.\n\nExperience with data pipelines, object storage, large-scale file processing, WebDataset, S3-compatible storage, Spark/Ray/Polars/DuckDB, or similar.\n\nWhat we offer\nHigh ownership over important technical work\n\nBe at the forefront of AI-driven music innovation\n\nOpportunity to work on infrastructure at scale\n\nCompetitive compensation and equity\n\nFlexibility in how you work","description_format":"text","description_chars":2412,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Generative Audio & Music"],"lifecycle":[{"event":"open","at":"2026-09-25T20:10:52Z"}],"liveness":{"score":47,"band":"ok","label":"Likely open","p_open":1,"p_active":0.631,"p_room":0.75,"age_days":15,"expected_fill_days":21,"reasons":["conf:9","win:late"],"computed_at":"2026-09-26T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/grai-software-engineer-backend-infra","json_url":"https://alion.io/job/grai-software-engineer-backend-infra.json","meta":{"generated_at":"2026-09-27T00:39:06Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":570,"day_limit":5000,"remaining_today":4430,"minute_limit":60,"resets_at":"2026-09-28T00:00:00Z"}}}