Chief Applied Scientist/Machine Learning Engineer

About Rokt

Rokt is the global leader in eCommerce technology, helping companies maximize the full potential of every transaction moment to increase revenue and acquire new customers on a large scale. Live Nation, AMC Theatres, PayPal, Uber, Hulu, Staples, Lands’ End, and HelloFresh are among the over 2,500 prominent global businesses and advertisers that utilize Rokt's solutions to generate more value from each transaction by presenting highly relevant messages to their customers at the moment they are most likely to convert.

With our December 2022 secondary transaction, Rokt’s valuation rose to $2.4 Billion. We are expanding quickly and globally – operating in 14 countries across North America, Europe and the Asia-Pacific region with the largest office in Sydney and a significant R&D hub in NYC. With 50% annual growth and a dynamic company culture, Rokt has been listed in ‘Great Places to Work’ in the US and Australia. Our award-winning culture is guided by our eight core values: smart with humility, own the outcomes, force for good, conquer new frontiers, enjoy the ride, raise the bar, communicate with impact, and disagree then commit. These values assist us in attracting, engaging, and developing the right talent around the world and ensure we cultivate an environment that helps everyone do their best work. Eager to join a fast-growing company and a dynamic culture? Learn more at rokt.com.

The Rokt engineering team constructs top-tier eCommerce technology that offers personalized and relevant experiences for customers worldwide and provides marketers with sophisticated, AI-driven tools for better consumer understanding. Our bespoke platform processes millions of transactions daily and takes into account billions of data points, providing engineers the opportunity to develop technology on a large scale, collaborate across teams and gain exposure to a broad range of technology. We are expanding quickly in our major R&D centers in NYC and Sydney. We are enthusiastic about using intelligent systems to enhance the transaction moment for retailers everywhere. Come join us and build the future!

About the role

As a Principal Scientist/Machine Learning Engineer, you will be able to steer the future direction of new initiatives and push the limits of what the world believes is possible by leveraging the latest advancements in ML. You will join a team of elite Machine Learning Engineers and be an integral part of the Relevancy organization and will be responsible for driving machine learning solutions from research to production.

Your expertise will be key in designing, implementing and scaling innovative machine learning solutions that have an impact across the business. Reporting to the VP of Engineering (AI/Data), you will collaborate closely with product managers, machine learning engineers, and software engineers to understand business priorities, define ML problems and architect solutions that deliver real-world value specifically in CTR modeling, Conversion modeling, UX optimization, price optimization and NLP.

In this role, you will be encouraged to keep up with emerging trends in machine learning, research state-of-the-art deep learning architectures, prototype new modeling ideas, conduct offline and online experiments, and deploy your solutions to production.

Responsibilities

• Develop and implement machine learning algorithms to solve business problems
• Design and implement scalable data processing and machine learning pipelines
• Collaborate with product, engineering, and data teams to identify machine learning opportunities
• Assess and enhance the performance of machine learning models
• Stay up-to-date with the latest developments in machine learning research and apply them to real-world problems
• Write clean, scalable, and maintainable code
• Communicate technical concepts and ideas to both technical and non-technical stakeholders
• Share your knowledge by conducting brown bag sessions, tech talks, and promoting appropriate tech and engineering best practices.
• Mentor other team members, facilitate within/across team workshops, and lead agile development.

Requirements

• PhD or Master's Degree in Computer Science, Mathematics, or Statistics or a similar technical field of study with a specialization in Machine Learning, Data Mining, Information Retrieval or Data Science.
• 10+ years of industry experience in constructing production-grade machine learning systems with all facets of research, model training, tuning, deploying, serving, and monitoring. Industry experience in ecommerce, recommender systems, digital marketing or two-sided marketplaces is a plus.
• Experience in the following areas - Bayesian methods, Reinforcement learning, Deep learning Architectures and Recommendation systems, and if you have experience in ML for Ads or ecommerce, it is a big plus.
• Be motivated, and self-driven in a fast (we truly mean fast) paced environment with a proven track record demonstrating impact across several teams and/or organizations.
• Ability to communicate and collaborate effectively with business stakeholders and manage tasks in a timely manner.
• At Rokt we promote autonomy; teams have full ownership of their systems including building, running, and monitoring. As such, you may be required to be on-call and respond to system alerts as needed.
• Capacity to generate ideas, opinions, and the ability to share them through respectful proposals, presentations, and team-wide discussions, An eagerness to work and learn openly and to share your learnings with your teammates.
• Experience with Kubernetes, Kubeflow, TFX, and Feature Store in a production environment is a huge plus

Benefits

• Work with the greatest talent in town. Our recruitment process is rigorous but thorough. We’re constantly striving to implement our value of “raise the bar” and setting high standards for our Rokt’s stars. This is vital in our high-performing, high-growth culture where we aim to bring in the brightest and most talented individuals. Our teams thrive by challenging the status quo, and we encourage all of our teams to unleash their desire to achieve something bigger.
• Join a community. At Rokt, we’re a community of curious explorers. We’re not afraid of embarking on unexplored paths. We work together as one unified, aligned team. We value diversity and transparency which is why we support various internal employee resource groups including an EDI steering committee, Rainbow Rokt which empowers our LGBTQIA+ Rokt’stars, Womxn who Rokt promote gender equality in tech, and more.
• Accelerate your career. We want you to unleash your full potential. This is why we offer an annual ‘Level Up’ allowance of $5,000 that allows Rokt’s stars to take courses, attend events, undergo training, and more to help our excellent employees become even better leaders.
• Take a break. When you work hard, we know you also need to rest. We offer generous time off and parental leave policies, as well as mental health and wellness days for all employees. We even incentivize individuals to utilize their PTO with “High 5” days, an additional 5 days of PTO when you’ve used 75% of your allotted annual paid leave. We also offer a paid Rokt’star Sabbatical for employees who have stayed with us for 5 years or more.
• Stay happy and healthy. Enjoy catered lunch every day and healthy snacks in the office. Plus join the gym on us! Rokt offers a monthly allowance to spend on a gym membership or online fitness classes. We also provide all Rokt's stars access to free 1:1 coaching, therapy, and digital mental wellness resources.
• Become a shareholder. All Rokt’stars own stock options. If we succeed, everyone benefits.
• See the world! We want our Rokt’stars to enjoy the journey. As we aim to bring fun and meaning to our everyday work, we host global all-staff events in amazing locations (Phuket, Thailand in January 2020, Hawaii in May 2022, and Whistler in 2023). As we work to build a community of curious explorers, we also offer generous relocation packages for those interested in moving to another Rokt office. We have bustling offices in great cities including New York, Sydney, London, Singapore, and Tokyo.
• We think we’re better together. We love spending time together and are in the office most days (most teams are in the office 3-4 days per week). We also understand that you need to balance your life and your commitments, so you have the flexibility to manage your own hours and can spend up to a week of every quarter working from anywhere.
• We believe in equality. Rokt is an Equal Opportunity Employer and we understand that our collective strength comes from our differences. We encourage you to apply for one of our open positions—irrespective of socio-economic status or background, age, gender identity, race, religion, sexual orientation, color, pregnancy, childcare/family responsibilities, national and social origin, political opinion, marital, veteran, or disability status.

Salary Range - $260,000 - $300,000 AUD per year plus equity

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