We are looking for a highly motivated and results-driven Head of Data to join our team full-time. In this strategic role, you will shape the vision, architecture, and delivery frameworks for Data Engineering, Data Science, Quant, and Data Analytics, unifying these teams into a single, high-impact function. This is a key leadership position, guiding both technical and managerial directions for our data organization.
We drive fintech innovation through deep analytical expertise and a data-first, engineering-driven approach.
Key Responsibilities
Data & Quant Leadership
- Define and lead the strategy across Data Engineering, Data Science, Quant, and Data Analytics, focusing on high business impact
- Build and manage cross-functional teams, including quants, data scientists, engineers, and analysts
- Drive advanced analytics, ML strategy, feature engineering, and model development with a focus on responsible AI
- Collaborate with stakeholders to turn complex business challenges into data-driven solutions
Data Engineering Leadership
- Design and evolve a scalable, reliable, and maintainable data platform architecture
- Oversee development of robust ETL/ELT pipelines and real-time data streams
- Establish engineering best practices: code reviews, CI/CD, data contracts, observability
- Drive technology selection and resource planning for ClickHouse, Spark, and supporting infrastructure
- Ensure data quality through monitoring, alerting, SLA ownership, and remediation processes
People & Cross-Functional Leadership
- Communicate effectively across technical and non-technical teams to influence decisions
- Lead cross-team processes (e.g., grooming, design reviews, retrospectives)
- Mentor team members, create growth plans, and foster a culture of psychological safety, accountability, and innovation
Requirements
- 7+ years of hands-on experience across Data Science, Quant, Data Engineering, delivering end-to-end solutions
- 3+ years of managerial experience, leading data teams including quants and data scientists
- Bachelor’s or Master’s degree in Computer Science, Mathematics, Physics, Engineering, or a related field
- Strong programming skills in Python, with experience writing clean, production-grade code
- Solid understanding of software engineering best practices (CI/CD, testing, code reviews, clean architecture)
- Practical experience with ML libraries and platforms (e.g., scikit-learn, XGBoost, PySpark)
- Deep understanding of core ML algorithms: regression, gradient boosting, time series, etc.
- Strong foundation in mathematical statistics, probability theory, and quantitative modeling
- Proficient in SQL and experience with analytical and OLAP databases
- English Upper-Intermediate
Nice to Have
- Experience with ClickHouse or other OLAP databases
- Background in trading or fintech
- Experience analyzing and modeling time series or high-frequency data
- Familiarity with anti-fraud systems, risk modeling, or portfolio analytics
We offer
- 20 paid vacation days per year
- 10 paid sick leave days per year
- Public holidays according to current legislation
- Medical insurance
- Opportunity to work remotely
- Professional education budget
- Language learning budget
- Wellness budget (gym membership, sports gear and related expenses)
Top Skills
What We Do
JustMarkets is a top-notch online CFD trading brokerage that has over a decade of successful working experience with clients in 180+ countries.
Customer is JustMarkets' core value. We always listen carefully to every feedback we get to ensure that our services and developments help clients achieve their trading goals in the most efficient way. Our multilingual 24/7 customer support is always ready to help every JustMarkets user.
We are attentive to those who help us develop. To do this, we have created a Three-Level IB partner system that allows our affiliates to conduct profitable and transparent business activities with us.
JustMarkets is continuously developing and improving trading conditions, providing the lowest spreads, reducing commissions, and expanding the range of tools to trade Majors, Minors, Indices, Stocks, Metals, and Energies.
JustMarkets Copytrading service is an in-house development that allows users to automatically copy trades of successful traders whose riskiness is ranked using the Risk Score service.
We are all about Markets!
