Senior Machine Learning Researcher

As a Senior Machine Learning Engineer in the Journey Mapping squad you’ll have the opportunity to contribute to our core technology that transforms mobile sensor data into public transport trips. Determining the actual public transport journey of a user based on sensor data, timetable data and various other data sources is a challenging task involving a combination of optimization and machine learning techniques. You'll have to find creative ways to improve existing solutions and come up with new ones, contributing both to the research and engineering aspects.

As part of an international startup, you’ll design, implement and test new features and improve the existing solutions. We are looking for a person who can work effectively as a part of an agile cross-functional team of research, backend and mobile engineers.

Our Technology Profile

• Research Stack: PyTorch, Sagemaker, PySpark, Numpy, Jupyter Notebooks;
• Programming languages: Python, Java;
• Architecture principles: Microservices, Continuous delivery, Zero downtime;

Role Responsibilities

• Conduct applied research to improve our core technology that transforms mobile sensor data into public transport journeys;
• Contribute to the production implementation by writing clean, testable and scalable code. Continuously improve existing code;
• Build and maintain Machine Learning pipelines for large scale applications in production;
• Oversee data collection, labelling and evaluation tasks;
• Stay up to date with the relevant research & technologies in the field;

Who we are looking for

• MSc or PhD in Computer Science or Applied Mathematics;
• At least 5 years of experience in Machine Learning Research and Development;
• Very strong coding skills in Python, Java is a plus;
• Deeply familiar with a machine learning framework (Tensorflow, PyTorch);
• Proficient with data analysis tasks (Basic statistics, PySpark, Pandas, etc.);
• Strong knowledge of Algorithms and Data Structures;
• Analytical mindset;
• Experience in deploying and operating machine learning pipelines in production strongly appreciated;
• Excellent English writing and verbal language skills;
• Europe based candidates;

Recruitment process:

• Screening interview with Pedro (from the People Team): ~45 minutes;
• ML Coding interview: 60 minutes;
• Applied Research interview: 60 minutes;
• System Design interview: 60 minutes;

At FAIRTIQ, we believe that our employees are our biggest asset. A healthy culture, based on respect, inclusion, diversity and individual empowerment is the key to our success story.

• Dynamic and international work environment of ~130 FAIRTIQers;
• Chance to be part of a fast growing, international startup;
• Budget and support for self-improvement;
• Creativity and innovation boosters with our “Tech Joker Days” (work on whatever you think may help FAIRTIQ);
• Lots of leadership opportunities (tech, people);
• Flexible working hours & fully remote work;

Please apply in English exclusively.

Find out more about our benefits, teams, company culture and tech stack on our FAQ page here!

At FAIRTIQ, we don’t just accept difference, we celebrate it, we support it, and we thrive from it for the benefit of our employees, our products and our community. FAIRTIQ is a proud equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability or gender identity.

Data Protection - Your personal data will be held by Fairtiq for a maximum of 12 months. Under the GDPR, you have the right to request access to your personal data, to request that your personal data be rectified or erased, and to request that processing of your personal data be restricted. Please contact dataprotection@fairtiq.com if you wish for your data to be removed.