Senior Staff Software Engineer in Bucuresti

Amazon AWS (regular) TensorFlow (regular) XGBoost (regular) NumPy (regular) Pandas (advanced) Affirm’s Machine Learning team solves problems critical to our business model - personalizing shopping experiences, detecting fraud, optimizing interest rates, and assessing creditworthiness in real time. Our innovative products necessitate the creation of novel machine learning solutions to drive both existing and new products.What You'll DoUse Affirm’s data to develop machine learning models that predict cash flows, financing programs, and optimize pricing for merchants.Build financial forecasting applications for Affirm’s two-sided marketplaceResearch ground breaking solutions and develop prototypes that drive the future of decisioning at AffirmImplement and scale data pipelines, new features, and algorithms that are essential to our production modelsCollaborate with the engineering, quantitative markets, merchant pricing, and product teams to define requirements for new productsEvaluate new data sources to use in a cost-effective way in our models to add valueWhat We Look ForB.S. with 6+ years of industry experience, M.S. with 5+ years, or PhD with 4+ yearsProficiency in machine learning with experience in areas such as gradient boosting, deep learning, recommendation systems, computational advertising, reinforcement learning, financial forecasting, time series analysis, anomaly detection, monte-carlo simulations, and Markov decision processesStrong programming skills in Python. Experience using frameworks for machine learning and data science like scikit-learn, pandas, numpy, XGBoost, TensorFlow, mllibExperience with the AWS technical stack and data infrastructure such as MySQL, Spark, Kubernetes, Docker, and AirflowExcellent written and oral communication skills and the capability to drive cross-functional requirements with product and engineering teamsThe ability to present technical concepts and results in an audience-appropriate wayPersistence, patience and a great sense of responsibility – we build the decisioning that drives Affirm’s business!Compensation & BenefitsWe offer a competitive package, with some highlights listed below.  However, the given figures are not guaranteed compensation ranges; rather, they are unbinding, approximate indications of what the salary may be for your awareness. The actual salary may be less than the lower range or greater than the upper range, depending on skills and experience. No employee is guaranteed salary at the amount of the lower range.Targeted Gross Monthly Salary: 23,241 - 34,866 PLNFlexible Spending Wallets for tech, food, lifestyle and family planningGenerous time off policies Away Days - wellness days to take off work and rechargeLearning & Development programsParental leaveRobust health benefitsEmployee Resource & Community GroupsRecruitment Process:Recruiter screen (30 min)Hiring manager screen (30 min)Take-home assignment or coding assignment Zoom interviews - Coding, Systems Design & Hiring Manager (3 hours)