{"id":1231835,"url":"https://alion.io/job/paperless-senior-backend-developer-mfd","title":"Senior Backend Developer (m/f/d)","company":{"id":1875761,"name":"Paperless","domain":"paperless.io","url":"https://alion.io/company/paperless-io","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Personio","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":"2026-09-28T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Frankfurt am Main, Germany"],"countries":["DE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":79000,"max_usd":142000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":57},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Ruby","optional":false},{"name":"Ruby on Rails","optional":false}],"status":"live","first_seen_at":"2024-02-27T09:46:50Z","employer_posted_date":"2024-02-27","last_verified_at":"2026-09-28T06:23:24Z","board_verified":true,"closed_at":null,"days_open":944,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":943},"description":"Your mission\nYou design and architect new features and manage their development all the way from concept to production.\nYou look after junior developers, mentor them with in-depth code reviews, pair programming and ongoing technical guidance.\nYou manage our CI/CD pipeline including test systems and steadily improve supporting backend development services.\nYou work very close with our frontend team on designing backend-frontend-communication.\nYou report directly to our CTO on a weekly basis.\nYour profile\nYou have a very good knowledge of backend development with Ruby.\nYou have at least three years experience with Ruby on Rails.\nYou value exceptional code quality and documentation.\nYour strengths include quick perception, creativity, sense of responsibility and initiative.\nYou are product oriented, pragmatic and you have a will to get stuff done.\nYou take ownership and you see things through.\nWhen you don't fully understand something, you ask questions to get to the bottom of it and use the opportunity to learn and grow.\nYou are eager to share your knowledge and train your junior colleagues to get to your level.","description_format":"text","description_chars":1127,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Energy & Utilities","Digital Signature"],"lifecycle":[{"event":"open","at":"2026-09-25T15:12:05Z"}],"liveness":{"score":7,"band":"cold","label":"Long shot","p_open":1,"p_active":0.247,"p_room":0.28,"age_days":943,"expected_fill_days":30,"reasons":["conf:27","win:tail","crowd:"],"computed_at":"2026-09-28T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/paperless-senior-backend-developer-mfd","json_url":"https://alion.io/job/paperless-senior-backend-developer-mfd.json","meta":{"generated_at":"2026-09-29T02:18:06Z","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":1952,"day_limit":5000,"remaining_today":3048,"minute_limit":60,"resets_at":"2026-09-30T00:00:00Z"}}}