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From the employer's careers site First seen 4 Nov 2026

Senior ML Engineer

Solidgate Warsaw Remote senior full-time

The employer hasn't listed a salary.

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Description

At Solidgate, our mission is clear: to empower outstanding entrepreneurs to build exceptional internet companies.

We exist to fuel the builders , the ones shaping the digital economy , with the financial infrastructure they deserve.

You will be one of the first engineers building the ML/AI function from the ground up, working closely with the ML team to shape it.

Responsibilities

  • Design and build core ML models and pipelines as part of a true greenfield direction, not a maintenance handover
  • Build a real-time ML decisioning system with direct revenue impact
  • Conduct hands-on experimentation , from idea, through A/B testing, to production
  • Integrate cutting-edge AI technologies to drive innovation
  • Collaborate with Product, Engineering, and the Data Platform team to solve hard modelling problems and build orchestrated training and analytics pipelines
  • Clearly communicate technical results to both engineers and cross-functional stakeholders

Requirements

  • 4-5+ years in ML or Data Science, with hands-on production experience in classical predictive models (e.g., credit scoring, fraud, risk, recommendations, pricing)
  • Track record of shipping ML models end-to-end, from idea to production, in a real product environment and being able to show their business impact in numbers (conversion, approval rate, losses, revenue)
  • Strong data science fundamentals
  • Hands-on experience with A/B testing and experimentation design
  • Feature engineering on high-cardinality transactional data
  • A driver mindset: ability to walk into a greenfield space, figure out what to build, propose it, and own it through delivery
  • Great communication skills and comfort working with a wide range of stakeholders

Nice to Have

  • Experience in fintech, payments, fraud, or risk
  • Real-time / low-latency ML serving
  • A master's or PhD in a quantitative discipline

Benefits

  • 30+ days off
  • Unlimited sick leave
  • Free office meals
  • Health coverage
  • Apple gear to keep you productive
  • Courses, conferences, sports, and wellness benefits

Skills

Required

  • ML
  • Data Science
  • predictive models
  • A/B testing
  • feature engineering
  • communication

Nice to have

  • fintech
  • payments
  • fraud
  • risk
  • real-time ML serving
  • master's or PhD in a quantitative discipline

Ready to apply?

You apply with the employer directly. Their original posting is here: https://jobs.ashbyhq.com/solidgate/5974c10f-2f07-4e37-8f9e-1f64ebe71f8f

Apply on Solidgate