{"id":802503,"url":"https://alion.io/job/knok-senior-data-engineer","title":"Senior Data Engineer","company":{"id":679208,"name":"knok","domain":"knok.pt","url":"https://alion.io/company/knok-2","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"B","score":83,"open_postings":3,"ghost_share":0,"stale_share":0.667,"repost_share":0,"time_to_fill_p50_days":39,"computed_at":"2026-11-01T06:10:25Z"}},"role":"Data Science","role_family":"Data Science","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":["Matosinhos, Portugal"],"countries":["PT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":35000,"max_usd":74000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":10},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ETL/ELT","optional":false},{"name":"Amazon Redshift","optional":true},{"name":"AWS","optional":true},{"name":"dbt","optional":true},{"name":"GitHub","optional":true},{"name":"Google BigQuery","optional":true},{"name":"Heroku","optional":true},{"name":"Python","optional":true},{"name":"Snowflake","optional":true},{"name":"SQL","optional":true}],"status":"live","first_seen_at":"2026-09-24T23:01:18Z","employer_posted_date":"2026-09-24","last_verified_at":"2026-11-01T18:10:22Z","board_verified":true,"closed_at":null,"days_open":37,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":37},"description":"Learn about knok\nAt knok, we dare to lead and humanise the digital transformation of healthcare. We envision a world where everyone has timely access to quality healthcare through digital technology, creating a more equal society. We genuinely believe in it, and you can recognise it in every person who embraces this mission.\nThrough a Digital Front Door strategy, knok connects patients, providers and healthcare professionals in one place. Our API-first white-label platform enables a continuous, engaging and personalised healthcare experience for all conditions through a cutting-edge Patient Journey Engine.\nWith regular clinical practice as our main source of knowledge, we leverage ready-to-use data to improve care automation and increase financial savings. Since 2015, we have enabled more than 2.5 million clinical interactions in over 12 countries. Our platform is scalable and AI-ready, enhancing the power of data-driven care to deliver better outcomes during all stages of life.\nAre you ready to join us in revolutionising healthcare and making a tangible impact on people's lives?\nAbout the role\nWe are looking for a Senior Data Engineer to join our team and help us design robust, scalable and high-quality data systems. You’ll play a key role in building pipelines, transforming data into valuable insights, and ensuring we have the right foundations to support decision-making across the organisation. If this makes sense, keep reading!\nAs a Senior Data Engineer, you will:\nCombine raw data from multiple sources into consistent and machine-readable formats,\nDesign, build and maintain data systems and ETL pipelines;\nMonitor, test and optimise data flows;\nAnalyse large datasets and uncover meaningful trends and insights;\nEvaluate business needs and translate them into data solutions;\nExplore ways to improve data quality, accessibility and reliability;\nDevelop and maintain analytical tools and reporting frameworks;\nCollaborate with analysts, product managers and other stakeholders on cross-functional projects;\nMonitor the cost and efficiency of data infrastructure.\nAbout you\nTo be considered for this role, here are the skills we’re looking for:\nDegree in Computer Science, IT or similar (Master’s is a plus);\nProven experience as a Data Engineer or in a similar role;\nProficiency in Python (OOP, unit testing, APIs, etc.);\nSolid understanding of ETL processes and data modelling;\nExperience with SQL and orchestration tools (e.g. Airflow);\nExperience with columnar databases (Redshift, BigQuery, Snowflake);\nExperience with version control (e.g. GitHub);\nExperience with dbt and cloud services (AWS, Heroku) is a plus;\nStrong analytical and problem-solving mindset;\nAbility to communicate technical concepts to non-technical stakeholders;\nExcellent time management and task prioritisation;\nTeam-oriented, curious and eager to learn.\nRecruitment stages\n1. People Interview: A conversation to get to know you better, explore your background and motivation, and introduce you to knok, our culture, and the role.\n2. Hiring Manager Interview: A short conversation with the Hiring Manager to validate your technical background and explore your experience with data engineering, architecture, and technical decision-making.\n3. Case Study: A practical exercise designed to understand how you approach data engineering challenges, structure technical solutions, and balance scalability, performance, and business needs.\n4. Final Interview: A conversation with the Hiring Manager and a member of our Senior Leadership Team, where you’ll present and discuss your case study, explain your technical decisions, and explore your approach to collaboration, ownership, and impact.\nIf you’re interested in transforming healthcare through technology and human-centred care, we encourage you to apply.","description_format":"text","description_chars":3811,"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":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Telemedicine & Virtual Care","Primary Care & Medical Centers"],"lifecycle":[{"event":"open","at":"2026-09-12T08:30:24Z"},{"event":"close","at":"2026-09-21T19:31:45Z"},{"event":"reopen","at":"2026-09-24T16:34:21Z"}],"visa":[],"liveness":{"score":59,"band":"ok","label":"Likely open","p_open":1,"p_active":0.784,"p_room":0.75,"age_days":37,"expected_fill_days":39,"reasons":["conf:0","win:late"],"computed_at":"2026-11-01T06:10:25Z"},"pay":null,"html_url":"https://alion.io/job/knok-senior-data-engineer","json_url":"https://alion.io/job/knok-senior-data-engineer.json","meta":{"generated_at":"2026-11-01T20:55:43Z","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":31946,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-02T00:00:00Z"}},"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":679208},"rest":"https://alion.io/mcp/rest/get_company?id=679208"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fknok-senior-data-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%2Fknok-senior-data-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%2Fknok-senior-data-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/knok-senior-data-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fknok-senior-data-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":802503}},{"tool":"search_jobs","arguments":{"company":"knok.pt","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":802503},"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. 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