{"id":2300898,"url":"https://alion.io/job/hacksaw-gaming-senior-backend-c-platform-developer","title":"Senior Backend (C#) Platform Developer","company":{"id":57015,"name":"Hacksaw Gaming","domain":"hacksawgaming.com","url":"https://alion.io/company/hacksaw-gaming","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"BambooHR","truth_index":{"grade":"B","score":75,"open_postings":3,"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":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Stockholm, Sweden"],"countries":["SE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":49000,"max_usd":146000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":6933},"experience_years_min":null,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ASP.NET Core","optional":false},{"name":"C#","optional":false},{"name":"Redis","optional":false},{"name":"SQL","optional":false},{"name":"AWS","optional":true},{"name":"Bash","optional":true},{"name":"Docker","optional":true},{"name":"Git","optional":true},{"name":"GitLab CI","optional":true},{"name":"Haxe","optional":true},{"name":"JavaScript","optional":true},{"name":"Linux","optional":true},{"name":"npm","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-09-07T00:00:00Z","employer_posted_date":"2026-09-07","last_verified_at":"2026-10-17T21:51:41Z","board_verified":true,"closed_at":null,"days_open":41,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":41},"description":"About us\nHacksaw Studios is a Stockholm-based game studio focused on creating innovative, high-quality gaming experiences. With a focus on performance and precision, we bring ideas to life through technical expertise and creative collaboration. We have wide distribution, and our games are played by millions of people every month by players all over the world.\nWe are now looking for a C# platform developer to join our growing Stockholm team. You'll be the person helping build and maintain the high-performance backend systems that power our games and platform infrastructure. You'll be solving real technical challenges that impact thousands of active users, collaborating closely with product teams, and helping ensure our platform is robust and ready for future growth.\nThe Role\nYour key responsibilities include:\nDesign & Implement Features:Build robust, scalable features for our C# / ASP.NET-based platform and supporting systems.\nOptimize Performance:Ensure code and data structures deliver high throughput, low latency, and reliable processing of thousands of transactions per second.\nTesting & Stability:Write and maintain comprehensive unit tests to ensure platform stability.\nCode Collaboration:Participate in code reviews and contribute to clean, maintainable, and well-documented code.\nTechnical Documentation:Maintain clear and thorough technical documentation.\nTeam Coordination:Work closely with peers and product teams to maintain architectural consistency and meet performance standards.\nWhat We’re Looking For\nStrong experience in C# backend development.\nSolid understanding of ASP.NET (experience preferred but can be developed on the job).\nDeep knowledge of SQL, including writing efficient queries and designing high-performance database schemas.\nPractical experience with caching strategies (e.g., Redis).\nExpertise in multithreaded programming and thread-safe design patterns.\nProficiency in using the C# debugger for troubleshooting complex issues.\nA mindset focused on performance, scalability, and reliability.\nNice-to-have:\nExperience with UX and UI design.\nExperience with Haxe.\nExperience with Git, TypeScript, React, Linux, Bash, npm, Bun, Docker, Cucumber, GitLab CI, and AWS.\nExperience working with web-facing C# systems.\nPrevious experience working in platform teams, developing SDKs, or supporting external developers.\nWhat We Offer\nA modern office in central Stockholm.\nWork with experienced, passionate colleagues in the gaming industry.\nThe opportunity to create games with a global audience.\nReal influence, ownership, and personal growth opportunities.\nWellbeing perks including wellness allowance and regular in-office massage.\nPractical Details\nThis is anon-site position in Stockholm.\nUnfortunately, we cannot assist with relocation or visa sponsorship.\nReady to Join the Game Makers?\nApply now! We review applications on a rolling basis.","description_format":"text","description_chars":2885,"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":["Growth opportunities"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":true,"industries":["Gaming","iGaming & Gambling"],"lifecycle":[{"event":"open","at":"2026-10-11T21:07:05Z"}],"visa":[],"liveness":{"score":27,"band":"fade","label":"Fading","p_open":1,"p_active":0.608,"p_room":0.45,"age_days":40,"expected_fill_days":26,"reasons":["conf:5","win:tail"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/hacksaw-gaming-senior-backend-c-platform-developer","json_url":"https://alion.io/job/hacksaw-gaming-senior-backend-c-platform-developer.json","meta":{"generated_at":"2026-10-18T01:28:58Z","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":2444,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":57015},"rest":"https://alion.io/mcp/rest/get_company?id=57015"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fhacksaw-gaming-senior-backend-c-platform-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%2Fhacksaw-gaming-senior-backend-c-platform-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%2Fhacksaw-gaming-senior-backend-c-platform-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/hacksaw-gaming-senior-backend-c-platform-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fhacksaw-gaming-senior-backend-c-platform-developer"}]}