{"id":3231407,"url":"https://alion.io/job/luupli-senior-backend-developer","title":"Senior Backend Developer","company":{"id":679890,"name":"Luupli","domain":"luupli.com","url":"https://alion.io/company/luupli","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Rippling","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"part_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":80000,"max_usd":205000,"period":"year","method":"global_role_seniority_cell","sample_n":7767},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"GraphQL","optional":false},{"name":"Kubernetes","optional":false},{"name":"Rest API","optional":false}],"status":"live","first_seen_at":"2026-10-25T06:34:24Z","employer_posted_date":null,"last_verified_at":"2026-10-25T06:34:24Z","board_verified":false,"closed_at":null,"days_open":2,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":2},"description":"🧩 Senior Backend Developer🌐 C# / .NET Core | Remote | Equity-Only | Flexible Hours | Path to Full-Time\nAbout LuupliLuupli is reimagining social media from the ground up, with creators, safety, and equity at the core. We’re building a platform where diverse communities thrive, creators earn fairly, and users come first. Currently in beta, our prototype has already sparked major industry buzz as the “next big thing.” Now, we’re assembling the founding tech team that will bring it to life.\nThe OpportunityWe’re looking for a Senior Backend Developer to build and scale the backend engine powering Luupli. From high-performance APIs to cloud-based infrastructure, you'll play a key role in creating the platform’s most critical systems.\nThis is a part-time, equity-only role to start, ideal for someone excited by long-term upside, real ownership, and flexible hours. As we grow, this position will transition into a paid full-time opportunity for core contributors.\n🔧 What You’ll Do\nDesign and build RESTful APIs using C# / .NET Core\n\nDevelop server-side architecture that is modular, testable, and scalable\n\nCollaborate with frontend/mobile teams to align on API contracts and performance\n\nMaintain and optimise database performance and cloud infrastructure\n\nWrite clean, efficient, and reusable code for high-concurrency environments\n\nParticipate in code reviews, DevOps practices, and system design sessions\n\nContribute to CI/CD, testing, and documentation processes\n\n(Bonus) Support occasional full-stack features if needed\n\n👨🏽💻 What You’ll Bring\n4–6+ years experience in backend development, with strong C# / .NET Core skills\n\nSolid experience building mobile or web application backends\n\nStrong proficiency with relational and NoSQL/document databases\n\nFamiliarity with REST and GraphQL service design\n\nSolid understanding of system architecture, APIs, and security principles\n\nExperience with containerised environments (e.g., Docker, Kubernetes)\n\nBonus: Experience with GCP or cloud-native platforms (AWS/Azure okay)\n\nBonus: Exposure to event-driven/microservice architectures\n\n🌍 Why Join Luupli?We're not just building tech, we’re rebuilding trust in social media. At Luupli, you’ll join a values-led startup where creators have power, users have rights, and engineers have ownership from day one.\nIf you’re tired of the same old stack and want to build with purpose, autonomy, and actual equity, we’d love to talk.\n💸 CompensationThis is an equity-only role at the pre-seed stage. You will receive a meaningful, vested equity stake in Luupli in recognition of your contributions. There is no cash salary at this time.\nWe're flexible on hours, and committed to transitioning this into a paid full-time position once funding is secured. Equity contributors will be prioritised.\n📩 How to ApplyApply directly via \n(Only applications submitted via the site will be reviewed.)\nOriginally posted on Himalayas","description_format":"text","description_chars":2912,"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":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Social Networks"],"lifecycle":[{"event":"open","at":"2026-10-25T08:28:00Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":1,"expected_fill_days":35,"reasons":["seen:1","velocity","win:early"],"computed_at":"2026-10-27T05:46:45Z"},"pay":null,"html_url":"https://alion.io/job/luupli-senior-backend-developer","json_url":"https://alion.io/job/luupli-senior-backend-developer.json","meta":{"generated_at":"2026-10-27T20:38:16Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":11777,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":679890},"rest":"https://alion.io/mcp/rest/get_company?id=679890"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fluupli-senior-backend-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fluupli-senior-backend-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fluupli-senior-backend-developer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/luupli-senior-backend-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fluupli-senior-backend-developer"}]}