{"id":2010768,"url":"https://alion.io/job/riverlane-senior-software-engineer-open-source","title":"Senior Software Engineer (Open Source)","company":{"id":51525,"name":"Riverlane","domain":"riverlane.com","url":"https://alion.io/company/riverlane","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":null},"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":["Cambridge, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":72000,"max":90000,"currency":"GBP","period":"year","gross":null,"usd_annual":119402},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Python","optional":false},{"name":"Rust","optional":false}],"status":"live","first_seen_at":"2026-06-06T00:15:03Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-08T22:10:29Z","board_verified":true,"closed_at":null,"days_open":125,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":124},"description":"Join Riverlane, a leading company in quantum computing. As a Senior Software Engineer, you will lead the development of Deltakit, a software platform for error-corrected quantum computing systems. You will drive the design and delivery of new features, improve performance and usability, and ensure the platform scales with adoption. You will also engage with researchers and the wider QEC community to support adoption and gather feedback for improvements. This role offers equity, 28 days of annual leave, private medical insurance, life insurance, and a contributory pension scheme.\nMissions\nLead the development of Deltakit, shaping its direction and ensuring it evolves to meet the needs of a growing user community.\nDrive the design and delivery of new features, improving performance and usability, and ensuring the platform scales as adoption grows.\nEngage with researchers, engineers, and the wider QEC community to support adoption of Deltakit, understand its usage, and translate feedback into improvements.\nProfil recherché\n - Curiosity and a strong drive to learn and solve complex problems- Experience shipping software to users and maintaining high engineering standards\n- Ability to shape technical direction, drive best practices, and support others through mentorship and leadership\n- Broad understanding of software systems (e.g. compilers, operating systems, computer architecture)\n- Collaborative mindset, with experience working across diverse teams\n- Ability to translate complex, research-driven concepts into robust, scalable and user-friendly solutions\n- Strong technical foundation (e.g. computer science, mathematics, physics or similar)\n- Strong written and verbal communication skills\n- Experience designing and building high-quality scientific or technical software, primarily in Python\n- Interest in contributing to the quantum open-source ecosystem\n- Experience with a strongly typed language (e.g. C++ or Rust)\n- Women and other underrepresented groups may be less likely to apply for a role unless they meet all or nearly all the requirements. If this applies to you, we still encourage you to apply - you may be a great fit, even if you don’t meet every single qualification. We’d love to hear from you","description_format":"text","description_chars":2238,"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":["Annual leave","Equity","Health insurance","Life insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Quantum Science & Computing"],"lifecycle":[{"event":"open","at":"2026-10-07T13:02:32Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Skilled Worker","cap_exempt":false,"checked_at":"2026-10-08T06:20:15+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.268,"p_room":0.28,"age_days":124,"expected_fill_days":23,"reasons":["conf:0","win:tail","crowd:"],"computed_at":"2026-10-08T05:49:30Z"},"pay":{"stated_usd_annual":119402,"is_top_pay":false},"html_url":"https://alion.io/job/riverlane-senior-software-engineer-open-source","json_url":"https://alion.io/job/riverlane-senior-software-engineer-open-source.json","meta":{"generated_at":"2026-10-09T00:35:44Z","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","counted_by":"address","units_charged":1,"used_today":820,"day_limit":5000,"remaining_today":4180,"minute_limit":60,"resets_at":"2026-10-10T00:00:00Z"}},"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":51525},"rest":"https://alion.io/mcp/rest/get_company?id=51525"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Friverlane-senior-software-engineer-open-source"},{"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%2Friverlane-senior-software-engineer-open-source"},{"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%2Friverlane-senior-software-engineer-open-source"},{"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/riverlane-senior-software-engineer-open-source\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Friverlane-senior-software-engineer-open-source"}]}