{"id":498898,"url":"https://alion.io/job/kingfisher-senior-quality-engineer-data","title":"Senior Quality Engineer (Data)","company":{"id":13439,"name":"Kingfisher","domain":"kingfisher.com","url":"https://alion.io/company/kingfisher-com","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":null},"role":"QA","role_family":"QA","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Kraków, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":19000,"max":26000,"currency":"PLN","period":"month","gross":true,"usd_annual":82200},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"Claude","optional":false},{"name":"Databricks","optional":false},{"name":"dbt","optional":false},{"name":"Delta Lake","optional":false},{"name":"ETL/ELT","optional":false},{"name":"GitLab CI","optional":false},{"name":"Great Expectations","optional":false},{"name":"Pact","optional":false},{"name":"Playwright","optional":false},{"name":"pySpark","optional":false},{"name":"Python","optional":false},{"name":"Spark","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-09-07T08:53:18Z","employer_posted_date":"2026-09-20","last_verified_at":"2026-11-01T05:23:50Z","board_verified":true,"closed_at":null,"days_open":54,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":54},"description":"Overview\nSenior Quality Engineer (Data)\n(Hybrid/Kraków - 1 day per week in the office)\nWe’re Kingfisher, a team made up of over 74,000 passionate people who bring Kingfisher - and all our other brands: Castorama, B&Q, Screwfix, Brico Dépôt and Koçtaş - to life. That’s right, we’re big, but we have ambitions to become even bigger and even better. We want to become the leading home improvement company and grow the largest community of home improvers in the world. And that’s where you come in.\nAt Kingfisher, our customers come from all walks of life, and so do we. We want to ensure that all colleagues, future colleagues, and applicants to Kingfisher are treated equally regardless of age, gender, marital or civil partnership status, colour, ethnic or national origin, culture, religious belief, philosophical belief, political opinion, disability, gender identity, gender expression or sexual orientation.\nWe are open to flexible and agile working. Therefore, we offer colleagues a blend of working from home and our office, located in Kraków. Talk to us about how we can best support you!\nAt Kingfisher, we value the perspectives that any new team members bring, and we want to hear from you. We encourage you to apply for one of our roles, even if you do not feel you meet 100% of the requirements.\nIn return, we offer an inclusive environment, where what you can achieve is limited only by your imagination! We encourage new ideas, actively support experimentation, and strive to build an environment where everyone can be their best self. Interested? Great, apply now and help us to Power the Possible.\nWe offer a competitive benefit package and plenty of opportunities to stretch and grow your career:\n19,000 - 26,000 PLN gross per month on an employment contract\nPrivate medical healthcare at LUXMED (including dentalcare) for you and your family \nMedicover sports card (Fit&More package) \nLife insurance financed by the employer \n30-minute lunch break included in the 8-hour working day \nWork in a highly professional and stimulating atmosphere \nTraining & Buddy programme that will allow you to quickly adapt to your new role \nWellbeing programme for employees \nCo-financing of monthly tickets for the public transport in Krakow \nComfortable working environment in the office and the possibility of home office \nLanguage courses, accounting courses, access to LinkedIn Learning and the possibility of co-financing studies and certification \nEmployee referral programme \nWhat's the job?\nAbout the role\nWe are looking for an experienced and detail-oriented Senior Quality Engineer to join our Data Engineering team. In this role, you will play a key part in ensuring the quality, reliability, and integrity of our data platforms and products, helping to deliver trusted, high-quality data solutions that support business decision-making.\nWorking closely with Data Engineers, Data Designers, Data Quality Analysts, Product Owners, and other cross-functional stakeholders, you will drive quality engineering best practices, contribute to test strategy and automation, and champion quality throughout the software development lifecycle.\nYou'll join a QE chapter of ~300 engineers operating across 150 squads, with structured career pathways, an internal AI-assisted testing toolkit (including a Claude-based Playwright test debugger), and a defined training/certification track for QEs moving into data engineering specialisms.\nIf you're looking for an exciting opportunity to step out of your comfort zone and make a real impact building better software, this is the job for you!\nResponsibilities\nDesign, develop, and maintain automated data quality checks across the Medallion architecture (Bronze/Silver/Gold), using dbt tests, Great Expectations (or equivalent), and custom PySpark assertions to validate accuracy, completeness, consistency, and referential integrity at each layer. \nLead the investigation of complex quality issues, perform root cause analysis, and drive preventative actions to improve product quality and engineering practices. \nPartner with Data Engineers, Data Designers, Product Owners, and other stakeholders to define quality requirements, identify risks, and implement effective quality assurance strategies. \nDrive quality throughout the software development lifecycle by actively contributing to Agile ceremonies and promoting quality engineering best practices within the team. \nDesign and maintain high-quality test documentation, including test strategies, test plans, test cases, execution reports, and test closure reports. \nValidate ETL/ELT processes built on Databricks and Apache Spark, including Delta Lake table integrity, schema evolution handling, and job-level performance regression. Own Unity Catalog-level data governance checks (lineage, access control validation, table certification status) as part of the QA sign-off process. \nChampion test automation across the GitLab CI/CD pipeline, including contract testing (Pact/PactFlow) for data API/service boundaries where applicable, and drive adoption of automated DoD validation gates ahead of production deployment. \nKeep up to date with emerging trends, tools, and best practices in Quality Engineering, test automation, and modern data platforms, sharing knowledge and mentoring other team members where appropriate. \nContribute to and maintain the QE-to-Data-Engineering skill uplift path, including SQL / dbt / PySpark / Unity Catalog proficiency benchmarks, and mentor QEs transitioning from traditional application testing into data engineering quality roles. \nWhat you'll bring\nExtensive experience in Quality Engineering, ideally within a Data Engineering or Big Data environment. \nStrong understanding of Quality Engineering principles, test strategy, test automation, and quality assurance best practices. \nAdvanced SQL skills, including experience writing and interpreting dbt models and dbt tests (not just raw SQL validation) \nWorking proficiency in Python and PySpark sufficient to write test harnesses, data validation scripts, and reconciliation checks against Spark DataFrames. \nDirect hands-on experience building pipelines on Databricks (notebooks, job orchestration, Delta Lake) - strongly preferred \nExperience designing and maintaining automated test frameworks and integrating automated testing into CI/CD pipelines. \nGood understanding of cloud-based data platforms and modern software development practices. \nExperience working in Agile teams and collaborating effectively with cross-functional engineering and product teams. \nStrong analytical and problem-solving skills, with the ability to investigate complex quality issues and identify root causes. \nExcellent communication and stakeholder management skills, with the confidence to influence engineering decisions and promote quality best practices. \nA proactive mindset, strong attention to detail, and a passion for delivering high-quality, reliable software and data solutions. \nExcellent command of English (written and spoken).","description_format":"text","description_chars":7021,"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":["Home office","Life insurance"],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Retail & Shop Systems","Tools & DIY Supplies","Kitchens, Bathrooms & Home Improvement"],"lifecycle":[{"event":"open","at":"2026-09-07T08:53:18Z"}],"visa":[],"liveness":{"score":21,"band":"cold","label":"Long shot","p_open":1,"p_active":0.599,"p_room":0.35,"age_days":53,"expected_fill_days":19,"reasons":["conf:2","velocity","win:tail"],"computed_at":"2026-10-31T05:58:55Z"},"pay":{"stated_usd_annual":82200,"is_top_pay":false},"html_url":"https://alion.io/job/kingfisher-senior-quality-engineer-data","json_url":"https://alion.io/job/kingfisher-senior-quality-engineer-data.json","meta":{"generated_at":"2026-11-01T05:51:10Z","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":9065,"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":13439},"rest":"https://alion.io/mcp/rest/get_company?id=13439"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fkingfisher-senior-quality-engineer-data"},{"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%2Fkingfisher-senior-quality-engineer-data"},{"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%2Fkingfisher-senior-quality-engineer-data"},{"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/kingfisher-senior-quality-engineer-data\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fkingfisher-senior-quality-engineer-data"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":498898}},{"tool":"search_jobs","arguments":{"company":"kingfisher.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":498898},"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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