{"id":711064,"url":"https://alion.io/job/labhouse-marketing-backend-engineer","title":"Marketing Backend Engineer","company":{"id":678665,"name":"Lab House","domain":"labhouse.io","url":"https://alion.io/company/labhouse","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":84,"open_postings":17,"ghost_share":0.176,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":70,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":["ES"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":45000,"max_usd":117000,"period":"year","method":"role_country_seniority_unknown","sample_n":100},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AppsFlyer SDK","optional":false},{"name":"Go","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-07-29T08:31:14Z","employer_posted_date":"2026-07-29","last_verified_at":"2026-10-31T01:40:56Z","board_verified":true,"closed_at":null,"days_open":93,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":91},"description":"Labhouse is a fast-growing startup that builds, launches, and scales its own AI & Productivity Apps, operating under a subscription-based business model.\nBased in Barcelona, Labhouse was founded by Andrés Bou and Horacio Martos (Co-Founders of SocialPoint).\nWe operate at the intersection of mobile technology, AI, and product-driven growth, with a strong focus on experimentation and performance.\nWould you like to make an impact as part of a company that builds the best mobile apps used by millions of users worldwide? If so, discover your next challenge below.\nResponsibilities:\nOwn the end-to-end attribution and signals system, becoming the company’s expert driving technical decisions and best practices across the organization\n\nImplement and improve attribution models (Appsflyer, GA4, custom server-side) ensuring it remains accurate and reliable.\n\nDesign and maintain server-to-server integrations with ad networks (Meta, Google Ads, ASA, TikTok, Snapchat).\n\nEnsure monitoring, QA, and debugging of discrepancies between internal data and ad platforms.\n\nContinuously improve attribution accuracy and signal quality, through custom pipelines, experimentation, monitoring and debugging of discrepancies.\n\nOwn the long-term evolution of the platform, making thoughtful architectural and prioritization decisions that balance business impact, scalability, reliability and maintainability.\n\nAbout You:\nTechnical expertise:\nStrong knowledge of attribution / tracking mechanisms ( pixels, UTMs, ID-based matching, MMPs, SRN, SKAN, W2A, etc.)\n\nPrevious experience enriching and sending signals from mobile apps to Ad Networks to optimize campaign performance (Meta CAPI, TikTok CAPI, Google Ads API, etc)\n\nProven experience with REST APIs, webhooks, API integrations and serverless environments.\n\nSolid knowledge of SQL/NoSQL databases.\n\nProficiency in backend technologies such as TypeScript, Python, and Go.\n\nHigh ownership and proactivity\n\nExperience working in fast-growing, product-led organizations, balancing speed, scalability, and reliability in ambiguous environments\n\nProblem-solving and product focus:\nExcellent problem-solving and analytical skills, with the ability to resolve complex technical challenges.\n\nEye for detail and a product-first mindset, with a passion for creating exceptional user experiences.\n\nSelf-driven, entrepreneurial attitude with the ability to work autonomously and take ownership of projects.\n\nCommunication:\nGood level of spoken and written English.\n\nAbility to collaborate effectively with cross-functional teams, including engineering, product, and marketing.\n\nWhat we Offer:\nRemote work from anywhere in Spain. If you are based in Barcelona, we would love for you to join us at the office (Barcelona Tech City) at least two days a week.\n\nFlexible working hours.\n\nCompetitive compensation\n\nHigh-end equipment for your development.\n\nPermanent contract with competitive compensation.\n\nA young and top entrepreneurial team in a dynamic startup environment.\n\nOpportunity to lead, grow, and take on big challenges.\n\nWork with cutting-edge technologies, including the chance to integrate AI models into new apps.\n\nHiring Process\nTA Interview - Initial conversation to get to know each other and understand your background.\n\nCEO / Product Team Interview - Deep dive into your product thinking, experience, and fit with the team.\n\nTechnical Case - Practical exercise to assess your product, analytical, and strategic capabilities.\n\nFinal Interview - Final conversation to ensure alignment on expectations, culture, and role fit.\n\nYou should Know:\nLabhouse is proud to be an equal-opportunity employer. However you identify or whatever your journey to this point, we welcome all candidates to apply for the position that inspires them.\nCome join us and help us build a company that everyone is proud to be part of.","description_format":"text","description_chars":3850,"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":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Flexible schedule"],"hiring_locations":[{"name":"Spain","iso":"ES","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-09-11T04:44:23Z"}],"visa":[],"liveness":{"score":29,"band":"fade","label":"Fading","p_open":1,"p_active":0.649,"p_room":0.44,"age_days":92,"expected_fill_days":70,"reasons":["conf:1","velocity","win:tail","crowd:"],"computed_at":"2026-10-30T05:48:23Z"},"pay":null,"html_url":"https://alion.io/job/labhouse-marketing-backend-engineer","json_url":"https://alion.io/job/labhouse-marketing-backend-engineer.json","meta":{"generated_at":"2026-10-31T03:16:09Z","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":4566,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"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":678665},"rest":"https://alion.io/mcp/rest/get_company?id=678665"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flabhouse-marketing-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%2Flabhouse-marketing-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%2Flabhouse-marketing-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/labhouse-marketing-backend-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flabhouse-marketing-backend-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":711064}},{"tool":"search_jobs","arguments":{"company":"labhouse.io","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":711064},"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. Docs: https://alion.io/developers"}}