Exness

Data scientist in client service

In short

Senior data scientist role at Exness, a global trading broker, based onsite in Limassol, Cyprus. The job focuses on product performance metrics, data collection and cleaning, inefficiency analysis, and validating solutions via A/B testing and modeling, working closely with Data Engineers. Requires 4+ years of hands-on data science experience, strong SQL/Python skills, machine learning expertise, and proven causal inference/A/B testing experience.

About
At Exness, we are not just a leading trading broker—we've reimagined what it takes to be a leader. With 2,000+ people across 13 countries, we combine scale, care, and real tech to make trading better for over a million clients globally. Recognised globally as a Best Place to Work, we're a people-first company where long-term wins always matter more. As part of our team, you will shape the future of fintech with real technology, care, and purpose.
Responsibilities
•Define/improve metrics representing the product's performance and operations efficiency
•Collect data from multiple sources, ensuring its accuracy and completeness
•Clean, organize, and transform raw data into usable formats for analysis
•Search for inefficiencies and suggest solutions
•Assess solutions through backtesting, A/B testing and modeling
•Know well the data landscape and collaborate with Data Engineers to improve it
Requirements
•Bachelor's degree in Data Science, Computer Science, Statistics, Mathematics, or a related field
•4+ years of hands-on experience in data science
•Comprehensive understanding of mathematical statistics and probability theory
•Proficiency in SQL and Python (pandas, visualization and ML packages)
•Expertise in machine learning and math modeling, enabling analysis and interpretation of data for informed decision-making
•Strong proficiency in causal inference methods and a proven track record of A/B test design and result interpretation
•Hands-on experience building ML models
Nice to have:
•Experience with Spark
•Experience with Metabase and Grafana
•Experience working in Agile environments or collaborating with development teams
Conditions
•Competitive salary and annual performance bonus
•Full relocation support for you and your family — flights, housing, visas, and legal assistance included
•Top-tier health insurance with full family coverage — medical, dental, vision, mental health — plus life insurance for peace of mind
•Unlimited learning opportunities: external courses, English lessons, career and leadership development
•Education allowance covering school and kindergarten fees
•21 working days of annual leave, plus public holidays and fully paid sick, maternity, and paternity leave
•Employee appreciation program: branded gifts, celebration budgets for weddings, newborns, and milestones
•"Get to know Team" trips — meet colleagues across our global hubs, along with company-wide offsites that raise the bar
•Employee share scheme — grow with us
•Branded MINI Cooper Countryman company car and private parking
•Free in-house sports clubs, Sanctum Club gym access, and jet skis
•Access to a Corporate doctor
•Exclusive discount program with cafes, gyms, and local services
•Expat tax perks: up to 50% income tax exemption
•Support with the naturalisation process for relocated employees

Stop applying.
Get referred.

$10 in free credits

In just 60 seconds, fully on autopilot — Eraldt's AI agents read your CV, map the roles you fit, find live vacancies and the people who can refer you, write personal emails, and get you referred.

This isn't an application: your CV doesn't go to the company, and we don't promise a referral for this exact role.

Discover who else lands interviews on autopilot