{"id":743679,"url":"https://alion.io/job/fogsphere-backend-developer","title":"Backend Developer","company":{"id":673815,"name":"Fogsphere","domain":"fogsphere.com","url":"https://alion.io/company/fogsphere","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Rippling","truth_index":{"grade":"B","score":75,"open_postings":8,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-11-01T06:10:25Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","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":64000,"max_usd":146000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":25},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Computer Vision","optional":false},{"name":"Docker","optional":false},{"name":"GDPR","optional":false},{"name":"JavaScript","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Redis","optional":false},{"name":"SQL","optional":false},{"name":"TCP/IP","optional":false},{"name":"C++","optional":true},{"name":"Go","optional":true},{"name":"Python","optional":true},{"name":"Rust","optional":true}],"status":"live","first_seen_at":"2025-11-28T16:06:20Z","employer_posted_date":"2025-11-28","last_verified_at":"2026-11-01T17:44:40Z","board_verified":true,"closed_at":null,"days_open":338,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":337},"description":"About Fogsphere\nFogsphere is a London-based innovator focused on transforming workplace and urban safety through advanced AI, Computer Vision, and Industrial IoT. Built on a principled “Edge-to-Fog-to-Cloud” architecture, our platform turns passive CCTV cameras and sensors into proactive hazard detectors, capable of identifying threats like missing PPE, fire, smoke, restricted access violations, and more-in real time and at scale. This helps organizations across industries-from manufacturing, construction, oil & gas, and healthcare to smart cities-reduce workplace accidents by up to 90%, ensure regulatory compliance (EHS), and gain powerful operational insights. Fogsphere’s intuitive no-code visual workflows, hyper-scalable Kubernetes-based infrastructure, and commitment to ethical AI and privacy (GDPR compliance) make it a user-friendly yet enterprise-grade solution.\n About the Role\nWe are looking for a Backend Developer who can independently manage, maintain, and evolve Fogsphere’s microservices codebase and proprietary libraries.\nYou will be responsible for implementing new product features, maintaining and writing database migration scripts, identifying and fixing bugs autonomously, and ensuring high-quality, reliable backend services across our platform.\nThis role requires strong ownership, hands-on problem-solving, and the ability to work within a distributed, cloud-native environment.\nKey Responsibilities\nDevelop, maintain, and optimize backend microservices powering the Fogsphere platform\nDesign and implement new features and integrations in Node.js\nMaintain and write SQL database migration scripts for our relational DB ecosystem (primarily PostgreSQL)\nDebug issues across services and infrastructure with minimal supervision\nContribute to designing scalable APIs and distributed system components\nCollaborate with DevOps and ML/AI teams to ensure seamless platform operation\nEnsure code quality, reliability, and security across the backend stack\nParticipate in architectural discussions related to microservices, performance, and scaling\nRequired Skills & Qualifications\n3+ years of professional experience programming in JavaScript (Node.js environment) - must be solid\nStrong proficiency in Node.js + JavaScript\nSolid experience with PostgreSQL and relational databases\nGood understanding of the TCP/IP stack\nGood knowledge of Linux operating systems and shell workflows\nExcellent hands-on knowledge of Docker\nGood understanding of Kubernetes (not mandatory, but highly valuable)\nAbility to work autonomously and take ownership of complex backend components\nMandatory Knowledge Before Joining\nRedis\nDistributed systems fundamentals\nNice to Have\nGolang\nRust\nC\nC++\nPython\nExperience with high-scale, low-latency systems\nExperience with IoT, streaming, or event-driven architectures\nWhat We Offer\nZERO micromanagement. 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