{"id":3815502,"url":"https://alion.io/job/pulserise-technologies-core-product-backend-engineer-go","title":"Core Product – Backend Engineer (Go)","company":{"id":4485907,"name":"PulseRise Technologies","domain":"pulserisetechnologies.io","url":"https://alion.io/company/pulserise-technologies","size_band":null,"is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"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":"explicit","locations":["Ukraine"],"countries":["UA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Docker","optional":false},{"name":"Go","optional":false},{"name":"Linux","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Recommender Systems","optional":false},{"name":"Rest API","optional":false}],"status":"live","first_seen_at":"2026-11-05T13:53:39Z","employer_posted_date":null,"last_verified_at":"2026-11-05T13:53:39Z","board_verified":false,"closed_at":null,"days_open":5,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":5},"description":"We're looking for a mid-senior Backend Engineer with strong Go and PostgreSQL skills. You'll join an early-stage, venture-backed startup as one of its first backend hires. The company is building a TikTok-style endless scroll of user-generated hypercasual mini-games. Your job is to build the core services behind the game feed, user data and content delivery, and to shape the product's technical direction for years to come. This is a founding-level role with real ownership, for someone who wants to build from the ground up and not maintain someone else's system.\n\nDetails: \n\nLocation: Sofia, Bulgaria, on-site 5 days a week\n\nEmployment: Full-time (no contractor, consultant or B2B setups)\n\nLevel: Mid-Senior\n\nRelocation: Supported for strong candidates (1–1.5 months' notice maximum)\n\nWhat you'll do\n\nDesign and build the Go services that power the game feed, user data and content delivery\n\nOwn PostgreSQL schema design and query performance as the product scales\n\nOwn deployments and keep services reliable (Linux, Docker)\n\nSet up observability (logging, metrics, tracing) from day one\n\nWork on data pipelines and recommendation / feed-ranking logic\n\nDesign REST APIs for iOS and Android clients\n\nWork closely with the founders on technical and product direction\n\nTech stack\n\nGo, Fiber, PostgreSQL, Docker, Linux, REST APIs, data pipelines, recommendation systems\n\nRequirements\n\n3+ years of production Go experience, having shipped and maintained services under real traffic\n\nSolid PostgreSQL experience beyond basic CRUD, including schema design and query optimisation\n\nHands-on experience with Linux and Docker, including owning deployments\n\nBased in Sofia or willing to relocate there\n\nReady for full-time, 5-day on-site work\n\nNice to have\n\nExperience with recommendation systems, feed ranking or ML-adjacent data pipelines\n\nBackground in hyper-casual gaming or rapid-prototyping environments\n\nExperience designing APIs for mobile clients\n\nA startup or founder-led mindset, comfortable with speed and ambiguity\n\nHiring process\n\nOnline interview to discuss your experience and mutual fit\n\nIn-person technical challenge and interview at the Sofia 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