{"id":764307,"url":"https://alion.io/job/jscrambler-senior-data-engineer","title":"Senior Data Engineer","company":{"id":54023,"name":"Jscrambler","domain":"jscrambler.com","url":"https://alion.io/company/jscrambler","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Porto, 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":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"ClickHouse","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Grafana","optional":false},{"name":"JavaScript","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-01-07T11:43:06Z","employer_posted_date":"2026-01-07","last_verified_at":"2026-10-27T13:18:13Z","board_verified":true,"closed_at":null,"days_open":293,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":292},"description":"At Jscrambler, we’re on an exciting journey of rapid growth, fueled by the success of our innovative web security solutions. Our cutting-edge cybersecurity technology is trusted by Fortune 500 companies and leading global organizations to safeguard their online presence and applications.\nOur mission is to provide robust security layers for web applications, empowering them with self-defensive capabilities to combat fraud, reverse engineering, and tampering attempts. We’re committed to preventing data breaches and protecting our clients’ reputations in an increasingly complex digital landscape.\nAfter securing $15 million in Series A funding, we recently raised an additional $5.2 million to accelerate the evolution of our client-side protection solutions and drive innovation in web security. With this momentum, we’re launching into 2025 with energy and ambition, continuing to enhance our technology to meet the ever-evolving cybersecurity challenges.\nOur team is expanding, and we’re looking for passionate individuals who are eager to make a significant impact. At Jscrambler, every team member plays a vital role in driving our success!\n We are looking for a Senior Data Engineer to join our Engineering team responsible for designing, building, maintaining and scaling our Data Platform. As a Senior Engineer, you will have an exceptional impact, delivering high-quality work. We expect you to learn quickly, solve complex problems and take full ownership of issues, from identification to resolution. You enjoy collaboration across teams, driving initiatives, and contributing to achieve key business goals. Your strong technical expertise and passion for Data will help you to succeed in this role.\nOur data platform delivers real-time insights into client-side behaviors to detect malicious activity. It processes millions to billions of data entries from web applications, identifying cybersecurity threats and PII (Personally Identifiable Information) compromises.\nWe are investing in expanding the platform’s capabilities, aiming to offer real-time data analysis and support new use cases. Our customers rely on our products to digest large volumes of data into easy-to-read, actionable dashboards that highlight potential attacks and security risks.\nKey Responsibilities\nDesign and develop conceptual, logical, and physical data models to fulfill business strategies and processes;\nEnsure data models are aligned with business needs and processes;\nCollaborate with product managers, engineers, and data analysts to translate business requirements into data-driven solutions;\nEnsure automated and frictionless data flow between different systems and platforms;\nDevelop and implement policies and standards for effective data governance;\nEnsure data quality, consistency, and compliance with regulatory standards;\nPromote the adoption of cutting edge technologies and best practices in the organization’s data architecture;\nIdentify and assess new tools, platforms, and frameworks to enhance data architecture and management.\n Experience and Qualifications\nBachelor’s, Master’s, or Ph.D. in Computer Science, Data Science, or a related field.\n4+ years of experience in data architecture, modeling, database design, and data management;\nStrong proficiency in Python, SQL, and data governance principles;\nHands-on experience with technologies like Airflow, Clickhouse, MongoDB, Kafka and Grafana;\nExperience in building ETL/ELT pipelines from scratch;\nExperience with event-driven architectures;\nProven ability to design and implement large-scale data architectures;\nCapability to drive innovation in data architecture and explore new technologies and methodologies;\nKnowledge of JavaScript is valued;\nKnowledge of Security/Application Security is valued;\nFluency in English is mandatory.\n Our Commitment to You\nImmerse yourself in a dynamic space that challenges you to grow, both personally and professionally.\nEnjoy flexible work policies designed to help you seamlessly integrate your life with your career at Jscrambler.\nPlay a vital role in our mission to enhance web security, becoming part of a startup that’s redefining the landscape of cybersecurity.\nSeize the chance to directly impact our business expansion and innovative solutions.\nBenefit from ongoing training and development opportunities to help you reach your full potential.\nEnjoy a range of adaptable benefits that cater to your unique lifestyle and needs.","description_format":"text","description_chars":4444,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Flexible schedule"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Information Security","Application 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