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Solidgate

Senior ML Engineer

Solidgate

. Design and build core ML models and pipelines for a greenfield ML/AI direction .

Posted 10/10/2026full-timeRemote • PolandSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing and building machine learning models and pipelines, with a strong focus on real-time systems and A/B testing. Proven ability to communicate technical results effectively and establish ML/AI functions within organizations.

Highest-signal resume keywords
Machine Learning Model DevelopmentA/B Testing and Experimentation DesignFeature Engineering on High-Cardinality DataEnd-to-End Model DeploymentStrong Communication Skills

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Machine LearningPredictive ModelingData Science FundamentalsFeature EngineeringA/B TestingReal-Time ML ServingStatistical AnalysisModel EvaluationData Pipeline DevelopmentQuantitative Analysis
Soft Skills
Strong CommunicationCollaborationIndependent WorkProblem SolvingStakeholder Engagement
Certifications & Qualifications
Master's Degree in Quantitative DisciplinePhD in Quantitative Discipline
Industry Keywords
FintechPaymentsFraudRisk ManagementRevenue Impact

About the role

Key responsibilities & impact
  • Design and build core ML models and pipelines for a greenfield ML/AI direction
  • Build a real-time ML payment-routing and decisioning system with direct revenue impact
  • Conduct hands-on experimentation from ideation through A/B testing to production
  • Integrate cutting-edge AI technologies
  • Partner with Product, Engineering, and Data Platform teams to solve modeling problems
  • Build orchestrated training and analytics pipelines
  • Communicate technical results to engineers and cross-functional stakeholders
  • Help establish the ML/AI function, team, and standards from the ground up
  • Work with 20M+ orders and 100M+ transactions monthly, plus 100+ payment methods and providers

Requirements

What you’ll need
  • 4–5+ years in ML or Data Science
  • Hands-on production experience with classical predictive models, such as credit scoring, fraud, risk, recommendations, or pricing
  • Track record of shipping ML models end-to-end, from idea to production, in a real product environment
  • Ability to demonstrate business impact in conversion, approval rate, losses, or revenue
  • Strong data science fundamentals
  • Hands-on experience with A/B testing and experimentation design
  • Feature engineering on high-cardinality transactional data
  • Ability to work independently in a greenfield space and own delivery
  • Strong communication skills and comfort working with a wide range of stakeholders
  • Experience in fintech, payments, fraud, or risk is nice to have
  • Experience with real-time or low-latency ML serving is nice to have
  • A master's or PhD in a quantitative discipline is nice to have

Benefits

Comp & perks
  • 30+ days off
  • Unlimited sick leave
  • Free office meals
  • Health coverage
  • Apple gear
  • Courses
  • Conferences
  • Sports and wellness benefits
  • Employee referral bonus