{"id":1348421,"url":"https://alion.io/job/voxeus-lead-data-engineer","title":"Lead Data Engineer","company":{"id":1771199,"name":"Voxeus","domain":"voxeus.com","url":"https://alion.io/company/voxeus","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Apache Kafka","optional":false},{"name":"CI/CD","optional":false},{"name":"Fine-tuning","optional":false},{"name":"GDPR","optional":false},{"name":"Go","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"Prometheus","optional":false},{"name":"Python","optional":false},{"name":"Qdrant","optional":false},{"name":"Scala","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-03-17T11:14:49Z","employer_posted_date":"2026-03-17","last_verified_at":"2026-10-09T23:57:26Z","board_verified":true,"closed_at":null,"days_open":206,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":204},"description":"Sparteo is an independent suite of AI-powered advertising technologies built on sustainable, sovereign infrastructure.\nSince 2018, we’ve been reshaping programmatic advertising to make it faster, more transparent, and more profitable by building the most direct path between publishers and advertisers.\nBut we don't stop here: wherever attention lives, on the web, in apps, on CTV, and beyond, our mission is to monetize audiences, across every device. Our data-driven tech delivers 30% higher revenues for our clients on average than traditional solutions.\nOur Solutions:\n→ Actirise: the display tech designed for performance\n→ FastCMP: the consent management platform specifically designed for business purposes\n→ Meetscale: the most advanced SSP for Publishers and Ad Networks\n→ Viously: the ultimate all-in-one video tech solution\n→ Voxeus: the audio distribution and monetization technology\nBehind Sparteo’s growth is a team of 100+ talents across 11 countries, united by a shared ambition to redefine the future of digital advertising.\nOur dedication has placed Sparteo among the most dynamic tech players in Europe:\nFT1000 ranking - Among the fastest-growing European companies in 2024 & 2025\n\nThe Europas - Featured in the list of 100 hottest startups\n\nPixalate Ranking - #1 Web SSP in France with our Actirise solution, overtaking Google AdExchange\n\nThese milestones are just the result. What truly sets us apart is how we work: at Sparteo, we don’t settle, we act.\nWe are Drivers, not passengers: We take the wheel and own our results.\n\nWe are data-obsessed: Facts guide us, not assumptions, not egos.\n\nWe think as one: Collective goals come before personal wins.\n\nWe trade off: We simplify, prioritize, and go for high-impact results.\n\nWe solve problems: We own challenges and turn ideas into action.\n\nWe say what we do: Radical transparency is how we grow, no fluff, no hiding\n\nDiscover our journey, products, and culture on our website\nYour Job\nAs our Lead Data Engineer, your mission is to architect, scale, and maintain the backbone of our data ecosystem. You will transform massive volumes of raw signals into actionable intelligence, ensuring our infrastructure is as agile as our growth strategy. You will bridge the gap between high-level data strategy and hands-on technical excellence.\nYour Responsibilities & Key Deliverables\nData Infrastructure Design and Optimization\nArchitectural Leadership: Lead the design, implementation, and optimization of distributed data architectures to support massive Batch & Streaming pipelines.\n\nScalability & Performance: Ensure the scalability, security, and performance of the infrastructure, maintaining high system availability (99.9%+) for analytics platforms.\n\nEfficiency: Optimize storage solutions to balance high-speed processing with cost-efficiency.\n\nAI Integration: Collaborate with software engineers and data scientists to seamlessly integrate AI-driven models into production data workflows.\n\nTechnical Leadership and Team Management\nMentorship: Lead and mentor a team of 2 data engineers, fostering a culture of continuous improvement, growth, and technical excellence.\n\nStandards & Quality: Set high standards for code quality, documentation, and rigorous peer reviews.\n\nExecution: Oversee project execution, delegate responsibilities, and act as the technical point of escalation for complex data-related roadblocks.\n\nBest Practices: Guide technical decisions and promote industry best practices in data engineering (CI/CD, DataOps).\n\nCollaboration and Data Governance\nCross-Functional Alignment: Work closely with product managers, developers, and analytics teams to define data needs and ensure alignment with business objectives.\n\nReliability: Implement robust monitoring, alerting, and automated testing (Data Quality) to ensure the integrity of the data team's output.\n\nCompliance: Ensure data security and GDPR compliance across all international jurisdictions and workflows.\n\nInnovation and Problem Solving\nEmerging Tech: Identify opportunities to leverage new technologies or improve existing workflows to optimize data processing.\n\nComplexity Simplification: Maintain a deep understanding of data trends and possess the ability to simplify complex problems into executable tasks.\n\nGenerative AI Adoption: Encourage and champion the use of Generative AI tools across the team to accelerate development cycles, automate repetitive tasks, and enhance data exploration capabilities.\n\nYour profile for this job\nExperience: 6+ years in Data Engineering, with at least 2 years in a leadership or \"referent\" role within fast-paced environments.\n\nDatabase Mastery: Expert proficiency in distributed data systems, clustering, advanced table types, and materialized views.\n\nOptimization: Skilled in designing table sorting keys and fine-tuning database performance.\n\nStack Mastery: Solid programming skills in Python, Golang, and Scala/Java, with deep expertise in Kafka for streaming/batch data pipelines.\n\nInfrastructure: Hands-on experience with on-premise infrastructure (own datacenter) managed by Kubernetes, and familiarity with monitoring stacks such as Prometheus.\n\nData Storage: Strong knowledge of column-oriented databases designed for high-volume data processing, vector databases (e.g. Qdrant), and SQL/NoSQL technologies.\n\nTooling: Comfortable working with project tracking tools (Flyspray) and applying CI/CD & DataOps best practices.\n\nAI & Innovation (Nice to have): Interest or hands-on experience leveraging Generative AI tools in daily engineering workflows to boost productivity and innovation.\n\nYour mind set to share our adventure\nYou want to make an impact and move things forward collectively. Does hearing phrases like \"Yes, but we've been doing it this way for years...\" make your hair stand on end? We feel the same way: progress is made by questioning what already exists.\n\nYou solve problems pragmatically and analytically.\n\nYou're looking for a fast-moving environment where your agility will be an asset. The 80-20 (Pareto) principle holds no secrets for you.\n\nYour ability to listen encourages you to challenge and improve yourself on an ongoing basis.\n\nBenefits & Work Environment\nDynamic Remote Culture: At Sparteo, we embrace a flexible work environment that adapts to your lifestyle, allowing you to contribute from wherever you feel most productive, be it from home or our urban offices in Paris, Lille, or London.\n\nClose-knit Team: Be part of our dynamic and united team, where collaboration, innovation, and mutual support drive our collective success and create a thriving work environment.\n\nVibrant Social Events: Engage in regular social gatherings and company events that foster community and celebrate our milestones.\n\nRapid Growth: Experience the excitement of working with a company in rapid expansion mode, impacting the advertising technology landscape across Europe and beyond.\n\nTailored Support: We provide robust career development support, including training programs, career check-ins with HR, opportunities for internal mobility, and performance feedback sessions conducted quarterly or semi-annually, depending on your role.\n\nRTT Days: We support work-life balance with additional rest days (RTT), provided based on position and tenure, empowering you to recharge and enjoy life outside of work.\n\nComprehensive Health and pension plans: We provide a robust health benefits plan, ensuring you and your family are covered and cared for.\n\nAdditional Perks:\nBenefit from the Swile card for meals.\n\nReady to join Team Sparteo? Send us your CV and continue the recruitment process!\nHere are the stages in our recruitment process\nDiscussions about your driving forces, your ambitions and our Sparteo mindset will be held with a member of our Talent Acquisition team.\n\nAnalytical and business logic tests\n\nDiscussions with one or more members of the Sparteo team, including your future manager\n\nTaking up references\n\nOur recruitment process is mainly conducted by videoconference; however, certain stages may require a face-to-face meeting.","description_format":"text","description_chars":8060,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Company events","Flexible schedule"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-27T17:39:48Z"}],"visa":[],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.219,"p_room":0.28,"age_days":205,"expected_fill_days":24,"reasons":["conf:2","win:tail","crowd:"],"computed_at":"2026-10-09T06:01:00Z"},"pay":null,"html_url":"https://alion.io/job/voxeus-lead-data-engineer","json_url":"https://alion.io/job/voxeus-lead-data-engineer.json","meta":{"generated_at":"2026-10-10T01:26:08Z","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","counted_by":"address","units_charged":1,"used_today":2520,"day_limit":5000,"remaining_today":2480,"minute_limit":60,"resets_at":"2026-10-11T00:00:00Z"}},"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":1771199},"rest":"https://alion.io/mcp/rest/get_company?id=1771199"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fvoxeus-lead-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%2Fvoxeus-lead-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%2Fvoxeus-lead-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/voxeus-lead-data-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fvoxeus-lead-data-engineer"}]}