Senior Data Engineer

About us At Jscrambler, our customers are at the heart of everything we do. As leaders in Client-Side Protection and Compliance, we have pioneered the integration of advanced JavaScript obfuscation with third-party tag protection into a unified platform. Our cutting-edge solutions defend our customers against cyber threats, data breaches, and IP theft, empowering businesses to innovate securely while ensuring compliance with critical standards like PCI DSS v4.0. Trusted by Fortune 500 companies and industry leaders across retail, finance, media, and aviation, Jscrambler protects online interactions at scale, enabling businesses to adopt a future-proof approach to security. But what truly sets us apart is our culture. At Jscrambler, we thrive on innovation, transforming complex challenges into impactful solutions. Collaboration is at the core of how we work – we support and learn from one another, knowing that the best results come from teamwork. We are proud to uphold the highest standards of ethics and professionalism, always respecting our clients, colleagues, and the company. When you join Jscrambler, you’re not just joining a company – you’re joining a team that values creativity, knowledge sharing, and meaningful impact. We don’t just adapt to the future of cybersecurity – we shape it. Together, let’s innovate and secure the digital world. The Role We are looking for a Senior Data Engineer to join our Engineering team, who will be 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 achieving key business goals. Your strong technical expertise and passion for data will help you succeed in this role. Our data platform delivers real-time insights into client-side behaviours to detect malicious activity. It processes millions to billions of data entries from web applications, identifying cybersecurity threats and PII (Personally Identifiable Information) compromises. We 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. What will your day-to-day be like? Design and develop conceptual, logical, and physical data models to fulfil business strategies and processes; Ensure data models are aligned with business needs and processes; Collaborate with product managers, engineers, and data analysts to translate business requirements into data-driven solutions; Ensure automated and frictionless data flow between different systems and platforms; Develop and implement policies and standards for effective data governance; Ensure data quality, consistency, and compliance with regulatory standards; Promote the adoption of cutting-edge technologies and best practices in the organization’s data architecture; Identify and assess new tools, platforms, and frameworks to enhance data architecture and management. Experience and Qualifications Bachelor’s, Master’s, or PhD in Computer Science, Data Science, or a related field. 4+ years of experience in data architecture, modelling, database design, and data management; Strong proficiency in Python, SQL, and data governance principles; Hands-on experience with technologies like Airflow, Clickhouse, MongoDB, Kafka and Grafana; Experience in building ETL/ELT pipelines from scratch; Experience with event-driven architectures; Proven ability to design and implement large-scale data architectures; Capability to drive innovation in data architecture and explore new technologies and methodologies; Knowledge of JavaScript is valued; Knowledge of Security/Application Security is valued; Fluency in English is mandatory. Why should you join us? Be part of a dynamic and collaborative environment that encourages both personal and professional growth. Enjoy a flexible, hybrid work model designed to help you balance your career and personal life. Play an active role in our mission to strengthen web security, joining a startup that’s shaping the future of cybersecurity. Have the opportunity to make a real impact on our growth journey and contribute to innovative, high-impact solutions. Benefit from continuous learning, training, and development opportunities that support your career progression.