Senior Machine Learning Engineer
TLDR
Own building and deploying real-time predictive ML models to maximize transaction approval rates and minimize false declines, collaborating with product, data, and payments engineers.
Classical & Deep Learning Mastery: Deep practical expertise in designing and tuning high-performance classical ML models (e.g. XGBoost, LightGBM, Random Forests) as well as experience with deep learning.
Ability to rigorously evaluate the trade-offs between model complexity and inference latency as well as experience beyond standard accuracy metrics utilising calibration curves, cost-sensitive learning, and precision-recall trade-offs.
Software Engineering & Python: Software engineering best practices, Python mastery and experience with the standard ML/Data libraries (Scikit-Learn, Pandas, Numpy) with a strong focus on writing scalable, production-ready code.
Real-Time Systems: Proven ability to build, deploy, and optimize ML models that operate under strict latency and high-throughput constraints.
MLOps Proficiency: Experience taking models from notebooks to production environments using tools like MLflow, Docker, Kubernetes, and CI/CD pipelines.
Strong SQL Proficiency: Ability to write complex queries and wrangle large-scale transactional datasets for feature extraction.
Payments Domain Knowledge (Nice to Have): Understanding of the card payment lifecycle, authorization processes, issuer behavior, 3D Secure, and network rules (Visa, Mastercard).
Cloud Infrastructure: Proven experience deploying and managing ML systems on AWS or similar, including expertise in infrastructure as code.
Benefits
Health Insurance
Insurance - Because better safe than sorry - we want our employees to benefit from various insurances including accident insurance, disability insurance, direct insurance (bAV) and travel insurance.
Learning Budget
Learning and Development - We offer a €1,000 annual budget to support your professional growth—because investing in your development benefits us all. In addition, we provide leadership cafés, on-the-job training, and other opportunities to help you grow your skills and thrive in your role.
pet-friendly office
Pet-friendly office- Because work is better with your paw-tners by your side
Paid Parental Leave
Enhance Family Leave - We understand the importance of family - that's why we offer enhanced family leave to support you during key life moments.
Remote-Friendly
Hybrid working - We offer a hybrid structure with a 3 days / week on site expectation, so you can strike the balance between office and home working. In addition to our 30-day holiday allowance, we also provide a work from abroad policy, enabling employees to work remotely for up to another 30 days per year
Wellness Stipend
Mental Health Platform - We’ve teamed up with a top well-being platform to provide one-on-one therapy, chat therapy, therapist-led courses, guided meditations, and more.
PPRO simplifies access to local payment methods, enabling businesses to sell goods and services globally in their customers' preferred ways. We empower partners such as Ant Group, PayPal, and Stripe by helping them reach new markets and accelerate growth, backed by a diverse international team.
- Founded
- Founded 2006
- Employees
- 201-500 employees
- Industry
- Internet Software & Services
- Total raised
- $50M raised