{"id":3353791,"url":"https://alion.io/job/octopus-energy-backend-engineer-4","title":"Backend Engineer","company":{"id":2332,"name":"Octopus Energy","domain":"octopus.energy","url":"https://alion.io/company/octopus-energy","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":76,"open_postings":52,"ghost_share":0.038,"stale_share":0.846,"repost_share":0.058,"time_to_fill_p50_days":41,"computed_at":"2026-11-03T05:54:40Z"}},"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":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":71000,"max_usd":171000,"period":"year","method":"role_country_seniority_unknown","sample_n":424},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Celery","optional":false},{"name":"Django","optional":false},{"name":"GraphQL","optional":false},{"name":"Kubernetes","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-10-27T16:31:54Z","employer_posted_date":"2026-10-27","last_verified_at":"2026-11-03T15:41:28Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":7},"description":"We're making energy fair, clean, and simple for all using technology.\nOctopus Energy started with a bold idea: to build Britain’s first truly digital energy supplier. By combining world-class tech with brilliant humans who care deeply about customers and driving the renewable energy transition, we made it happen and in 2025, we became Britain’s largest energy supplier.\nOctopus Energy Group is a global energy transition collective. 10 businesses working across 4 continents to tackle energy transformation at nearly every front.\nAnd we constantly push to make energy better. Tirelessly campaigning for fair protections for customers. And building innovative technologies that forge a path to a green energy system.\nWe’re made up of 10,000+ authentic, committed people working around the world on stuff you'd never expect. We're united by a shared goal: to drive the global green energy revolution. Read our Spotlight series to meet some of the team.\nAbout the role\nAt Octopus Tech, you’ll have real ownership, variety, and the chance to shape products that make a tangible difference in people’s lives - lowering bills, enabling greener living, and delivering experiences customers genuinely love. You’ll work side by side with teams across marketing, operations, and data, and see the impact of your work in the real world, fast.\nWe are looking for a Backend Engineer to join our Global Backend Team.\nThe Global Backend Team are the powerhouse behind our mission to build the future of energy tech, working on our new and rapidly growing backend retail codebase used by all Octopus Energy engineering teams around the world.\nWe embrace flat hierarchies and an open, agile culture that fosters innovation, flexibility, and creativity.\nWe don’t hang our personalities up with our coats and nor should you. 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It would be helpful to have experience/expertise in the following (in rough priority order):\nPython\nDjango (or equiv. web framework)\nDomain modelling\nGraphQL\nWriting robust and fault-tolerant software\nCelery and async processing\nPostgres\nPlus experience in the following would be a bonus:\nAWS\nKubernetes","description_format":"text","description_chars":2372,"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":[],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Power Grid","Wind Energy","Smart Grid"],"lifecycle":[{"event":"open","at":"2026-10-27T19:22:30Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Skilled Worker, Secondment Worker, Senior or Specialist Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Skilled Worker; Global Business Mobility: Secondment Worker; Global Business Mobility: Senior or Specialist Worker","cap_exempt":false,"checked_at":"2026-11-03T08:26:00+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":6,"expected_fill_days":41,"reasons":["conf:4","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-11-03T05:54:40Z"},"pay":null,"html_url":"https://alion.io/job/octopus-energy-backend-engineer-4","json_url":"https://alion.io/job/octopus-energy-backend-engineer-4.json","meta":{"generated_at":"2026-11-03T18:35:14Z","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":321,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-04T00:00:00Z"}},"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":2332},"rest":"https://alion.io/mcp/rest/get_company?id=2332"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Foctopus-energy-backend-engineer-4"},{"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%2Foctopus-energy-backend-engineer-4"},{"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%2Foctopus-energy-backend-engineer-4"},{"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/octopus-energy-backend-engineer-4\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Foctopus-energy-backend-engineer-4"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3353791}},{"tool":"search_jobs","arguments":{"company":"octopus.energy","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3353791},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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