{"id":2493447,"url":"https://alion.io/job/appsflyer-senior-backend-engineer","title":"Senior Backend Engineer","company":{"id":3446,"name":"AppsFlyer","domain":"appsflyer.com","url":"https://alion.io/company/appsflyer","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":10,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":53,"computed_at":"2026-10-14T06:34:16Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":60000,"max_usd":100000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":312},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"API Gateway","optional":false},{"name":"AppsFlyer SDK","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"GCP","optional":false},{"name":"Go","optional":false},{"name":"GraphQL","optional":false},{"name":"Neo4j","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"React.js","optional":false},{"name":"Redis","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-11T10:13:20Z","employer_posted_date":"2026-10-12","last_verified_at":"2026-10-14T23:36:25Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"AppsFlyer is the market leader in the mobile attribution business. We provide analytical tools to help thousands of app developers and agencies reach decisions about where, when, and how to market their apps.\nWe do this by consuming enormous amounts of data and presenting it in useful (and cool!) ways that are actionable and provide real and immediate value to our customers.\nWe are looking for an experienced full-stack developer to join our Management team. The Management team manages a variety of services and tools, external and internal. Our missions include diverse business cases, a wide range of APIs, implementation of third-party services, and collaboration with multiple other teams in the company.\nOur team uses technologies and frameworks such as (buzzword alert): Node.js, React, Go, AWS, GCP, Kafka, Neo4j, GraphQL, Protobuf, Redis, PostgreSQL, among others. \nThe Management team is part of the SaasLab group which owns the SaaS platform and control plane of AppsFlyer - the foundational layer that manages users, accounts, billing, API gateway, authentication, permissions, and business integrations. SaasLab’s systems serve as the backbone for every product and feature at AppsFlyer, handling millions of API calls daily and supporting thousands of enterprise customers worldwid\nWhat You'll Do\nEnd-to-end development of AppsFlyer products and features, from front-end to back-end\nCollaborate with Product Designers, Product Managers and Software Engineers to deliver amazing products\nBuild & ship features at high pace in a fast-moving AI development environment\nDesign, develop, and maintain scalable backend and frontend systems.\nDevelop complex applications using modern Full Stack technologies.\nWork with microservices, event-driven architectures, and distributed systems.\nContinuously learn and evaluate new technologies in the everlasting effort to perfect our products\n\nContribute to a strong engineering culture of ownership, collaboration, quality, and continuous improvement\nWhat You Have\n5+ years of software development experience, with strong backend engineering skills\nProven track record owning end-to-end solutions with minimal supervision, from ambiguous problem to production\nStrong frontend and backend engineering skills, with deep expertise in React, TypeScript, and modern web development practices\nSolid system design and architecture skills, able to reason about trade-offs across a system's moving parts, not just the code you touch\nComfortable with ambiguity and lower-clarity problems, able to balance moving fast with doing it right\nDeep experience with modern development practices (unit and integration testing, CI/CD pipelines, code quality, observability)\nHighly product-oriented, you think beyond \"just code\" and understand how customers actually use what you build\nExperience mentoring other engineers and setting a technical bar through code review and example\nExperience using AI tools within the software development lifecycle, including the ability to review, validate, and improve AI-generated code\nProficiency in written and verbal English\nB.Sc. in Computer Science or equivalent practical experience\nBonus Points\nExperience with SaaS platform systems - identity, access management, billing, multi-tenancy, API gateways, or similar control-plane domains\nExperience working on core entity systems, identity/account management, or SaaS onboarding flows\nExperience with Node.js, GraphQL, or graph databases (Neo4j)\nExperience with platform/infrastructure teams that serve internal engineering customers\nExperience in the ad-tech ecosystem, preferably with hyper-scale systems\nRecommended by an AppsFlyer employee\nAs a global company operating from 25 offices across 19 countries, we reflect the human mosaic of the diverse and multicultural world in which we live. We ensure equal opportunities for all of our employees and promote the recruitment of diverse talents to our global teams without consideration of race, gender, culture, or sexual orientation. We value and encourage curiosity, diversity, and innovation from all our employees, customers, and partners.\n“As a Customer Obsessed company, we must first be Employee Obsessed. We need to make sure that we provide the team with the tools and resources they need to go All-In.” Oren Kaniel, CEO","description_format":"text","description_chars":4309,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Marketing Analytics & Attribution","Marketing & Sales AI"],"lifecycle":[{"event":"open","at":"2026-10-14T03:54:16Z"}],"visa":[],"liveness":{"score":60,"band":"ok","label":"Likely open","p_open":1,"p_active":0.602,"p_room":1,"age_days":2,"expected_fill_days":53,"reasons":["conf:2","stale_co","win:early"],"computed_at":"2026-10-14T06:34:16Z"},"pay":null,"html_url":"https://alion.io/job/appsflyer-senior-backend-engineer","json_url":"https://alion.io/job/appsflyer-senior-backend-engineer.json","meta":{"generated_at":"2026-10-15T02:55:48Z","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":4321,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-16T00:00:00Z"}},"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":3446},"rest":"https://alion.io/mcp/rest/get_company?id=3446"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fappsflyer-senior-backend-engineer"},{"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%2Fappsflyer-senior-backend-engineer"},{"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%2Fappsflyer-senior-backend-engineer"},{"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/appsflyer-senior-backend-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fappsflyer-senior-backend-engineer"}]}