← Back to job listings
SS
Senior Data Scientist
Sigma Software · Remote, Kyiv city, Ukraine
About The Role
- Analyze and investigate existing detection logic built on multiple interconnected signals and rule-based expressions
- Understand and map complex data flows, processing pipelines, and dependencies across enterprise systems
- Identify redundancy, inefficiencies, and unnecessary complexity within current detection structures
- Propose simplification and optimization approaches while preserving detection quality and operational effectiveness
- Conduct exploratory analysis on large and complex datasets to validate hypotheses and support decision-making
- Assess downstream implications and operational risks of proposed changes before implementation
- Translate analytical findings into clear recommendations for technical and non-technical stakeholders
- Collaborate closely with engineers, data scientists, and security researchers to gather context and resolve blockers independently
- Operate effectively in a fast-paced environment with shifting priorities and short delivery cycles
- Contribute to improving analytical methodologies and approaches within the newly forming team
- 5+ years of experience in Data Science, Analytics Engineering, Data Analytics, or related analytical roles
- Strong proficiency in Python and SQL
- Experience working with large-scale and complex datasets
- Strong analytical and problem-solving skills with the ability to independently structure ambiguous problems
- Proven experience driving investigations from hypothesis generation to data-backed conclusions
- Strong engineering mindset with the ability to understand and reason about complex logic and codebases
- Ability to evaluate system behavior and understand downstream impacts of analytical decisions
- Experience collaborating cross-functionally with engineering and research teams
- Ability to work autonomously with minimal supervision
- Upper-Intermediate or higher English level
- Familiarity with JavaScript
WILL BE A PLUS
- Experience with Snowflake
- Experience in cybersecurity, fraud detection, or risk analytics domains
- Experience working with rule-based systems or detection pipelines
- Exposure to enterprise-scale analytics platforms
- Understanding of data pipeline architecture and signal processing systems
PERSONAL PROFILE
- Independent and proactive problem solver
- Curious and investigative mindset
- Comfortable working in ambiguous environments
- Strong ownership mentality
- Adaptable to changing priorities and fast delivery cycles
- Collaborative and communication-oriented
- Detail-oriented with strong systems thinking capabilities
Similar roles you might like
See all →C
Senior AI Engineer - Europe
ChainGPT
Salary not disclosedPosted 1 day ago
P
Data Scientist
Playtech
Salary not disclosedPosted 2 days ago
B
AI Engineering Manager (Ukraine Private Entrepreneur only)
brightfin
Salary not disclosedPosted 6 days ago
DH
Data Analyst (Supply Operations) Ukraine
Delivery Hero
Salary not disclosedPosted 7 days ago
SS
Senior Business Analyst (Financial Management System)
Sigma Software
Salary not disclosedPosted 8 days ago
H
AI Engineer
holywater
Salary not disclosedPosted 9 days ago
SS
Senior ML Engineer / Data Scientist
Sigma Software
Salary not disclosedPosted 11 days ago
SS
Principal Data Platform Engineer (Swedish Ad Platform)
Sigma Software
Salary not disclosedPosted 14 days ago
This is an external listing. JobSpring does not represent or verify the employer. Report this listing