{"id":2798698,"url":"https://alion.io/job/novakid-senior-backend-engineer-python-ai-edtech","title":"Senior Backend Engineer (Python, AI, EdTech)","company":{"id":678723,"name":"Novakid","domain":"novakidschool.com","url":"https://alion.io/company/novakidschool","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitee","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Belgrade, Serbia"],"countries":["RS"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":35000,"max_usd":103000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":6933},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Amazon EventBridge","optional":false},{"name":"Anthropic","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"Celery","optional":false},{"name":"CI/CD","optional":false},{"name":"Edge AI","optional":false},{"name":"FastAPI","optional":false},{"name":"OpenAI","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"Redis","optional":false},{"name":"SQLAlchemy","optional":false}],"status":"live","first_seen_at":"2026-05-29T05:47:38Z","employer_posted_date":"2026-05-29","last_verified_at":"2026-10-18T08:59:10Z","board_verified":true,"closed_at":null,"days_open":142,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":141},"description":"At Novakid, we’re building the world’s most engaging online English-learning platform for kids. With 80,000+ students and 2,500+ teachers across 15+ countries, we’ve proven the demand. Now we’re scaling up - and we want you to help us design and build the future of AI-driven education.\nWe’re not just writing code. We’re creating a smart, personalized learning experience powered by modern AI models (OpenAI, Anthropic, Google, etc.), robust backend systems, and a passionate team that believes in changing how children learn.\nYour role\nWe’re looking for a Senior+ Backend Engineer who’s ready to step beyond coding and take technical leadership responsibilities within our core platform team. You’ll be shaping architecture, mentoring engineers, and making strategic technical decisions that will directly influence how millions of kids learn languages.\nThis is a hybrid role that combines:\nDeep hands-on coding in Python & modern backend technologies. Architectural leadership, designing scalable, reliable systems.\nWhat you’ll do\nLead the design and evolution of our backend architecture (microservices, event-driven systems, AWS serverless, data pipelines).\nDrive technical decisions and ensure best practices in code quality, security, and scalability.\nMentor and support backend developers, reviewing code and helping them grow as engineers.\nDesign and build robust APIs and data flows powering AI-driven language learning features.\nPartner with Product and Data Science teams to turn cutting-edge AI models into real-world educational experiences.\nAnticipate technical risks, propose solutions, and balance speed with long-term scalability.\nRequirements\nWhat you bring\n5+ years of professional backend engineering experience (Python 3.8+ is a must)\nProven track record in system design, architecture, and scaling distributed systems.\nStrong knowledge of PostgreSQL, Redis, FastAPI, SQLAlchemy, Celery. Hands-on experience with microservices & AWS serverless stack (Lambda, SQS/SNS, EventBridge, etc.).\nSolid understanding of software engineering best practices: code reviews, testing, CI/CD, observability, security.\nExperience mentoring developers or leading technical initiatives.\nFluent English (we work across 15+ countries).\nNice to have\nBackground in startups or high-growth environments.\nExposure to edtech or e-commerce platforms.\nInterest in data-intensive systems\nWhy join us?\nShape the future of AI-powered education for kids worldwide.\n100% remote, flexible schedule (core hours GMT+3).\nA small, highly skilled team where your decisions have direct impact.\nA culture of ownership, trust, and learning - we want you to grow into a Tech Lead / Architect role.\nUnlimited paid time off.\nCompetitive compensation, bonuses, and stock options - we succeed together.","description_format":"text","description_chars":2778,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Flexible schedule","Stock options"],"hiring_locations":[{"name":"Serbia","iso":"RS","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Education","Language Learning","E-learning"],"lifecycle":[{"event":"open","at":"2026-10-18T01:36:16Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.3,"p_room":0.28,"age_days":142,"expected_fill_days":36,"reasons":["conf:1","ghost","win:tail","crowd:"],"computed_at":"2026-10-18T10:31:17Z"},"pay":null,"html_url":"https://alion.io/job/novakid-senior-backend-engineer-python-ai-edtech","json_url":"https://alion.io/job/novakid-senior-backend-engineer-python-ai-edtech.json","meta":{"generated_at":"2026-10-18T10:31:17Z","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":15567,"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":678723},"rest":"https://alion.io/mcp/rest/get_company?id=678723"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fnovakid-senior-backend-engineer-python-ai-edtech"},{"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%2Fnovakid-senior-backend-engineer-python-ai-edtech"},{"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%2Fnovakid-senior-backend-engineer-python-ai-edtech"},{"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/novakid-senior-backend-engineer-python-ai-edtech\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fnovakid-senior-backend-engineer-python-ai-edtech"}]}