Senior Software Engineer - Data Engineering at CalReply

Information Technology and Services, Engineering, Full-time, Sydney, New South Wales, Australia sydney engineering full-time
Posted a month ago

About Rokt

Rokt is the global leader in ecommerce technology. We unlock revenue for companies by using AI and machine learning to present highly relevant offers to each shopper, personalizing the online shopping experience and maximizing the value of each transaction moment. Uber, Live Nation, AMC Theatres, PayPal, Hulu, Staples, Lands’ End, GoPuff, HelloFresh are among the more than 2,500 leading global businesses and advertisers relying on Rokt’s technology to increase engagement, revenue and customer acquisition. 

With our December 2022 secondary transaction, Rokt’s valuation increased to $2.4 billion. We are expanding rapidly and operating in 15 countries across North America, Europe and Asia-Pacific with the largest office in NYC and a major R&D hub in Sydney. With consistent hyper growth ahead of the market and a vibrant company culture, Rokt has been listed in ‘Great Places to Work’ in the US and Australia. 

About Rokt’stars

As a mission-driven, hyper-growth community of curious explorers, our ambition is to unlock the full potential in ecommerce and beyond. Our bias for action means we are not afraid to quickly venture into uncharted territories, take risks or challenge the status quo; in doing so we either win or learn. We work together as one aligned team never letting egos get in the way of brilliant ideas. We value diversity, transparency and smart humble people who enjoy building a disruptive business together. We pride ourselves on being a force for good as we make the world better.

About The Role

We're currently looking for a senior engineer to join our Identity team, who are on the cutting edge of software engineering and mathematics, building out some of the most unique and scaleable systems around graph theory around. For this role we’re looking for someone with strong back end engineering experience, specifically with large scale data and complex systems. This team thrives in turning ambiguity into clarity, being able to connect the dots of over 2 billion edges into usable, highly relevant data that feeds directly into our market-leading machine learning systems.

In practice, you’ll have the chance to improve and build on a system that already has over 35,000 containers in production, deals with Petabytes of data, 2.5bn individual eCommerce transactions per year, the largest Kubeflow pipelines in the world, and systems that routinely deal with 10,000+ RPS, and continues to scale

All of that data that we process goes through Machine Learning and Deep Learning algorithms and models, all built and trained in-house, to ensure peak relevancy for consumers, and are constantly being improved upon, which results in one of the most advanced and mature Machine Learning practices in the world.

We currently have over 140 engineers in Sydney, with a view to expanding over the next few years across all sites. We've established a brand-new engineering hub in Seattle, with access to some of the best engineers from around the world

This is a truly unique opportunity to come into a business hitting its stride, offering a phenomenal mix of freedom and room for innovation and growth, with a mature and well-defined engineering culture to back it up. You’d be working on systems often more scalable and complex than the major tech players, with the freedom to make the role yours, without the red tape that often comes with those roles, and the compensation to back it up.


  • Build and scale complex software systems built on machine learning, graph theory and large scale data
  • Solve technical problems of the highest scope, complexity, and ambiguity as an individual contributor
  • Proactively identify and propose improvements to the current system architecture that emphasises performance, reliability and scalability
  • Act as both an engineer and system architect, as this team is constantly researching and developing new theories and ways of working
  • Work directly with ML teams to productionise and utilise your work in real time.


  • Bachelor’s degree or equivalent practical experience.
  • 7+ years of experience in commercial software development experience designing, building, and operating distributed systems, working with large scale data sets and ingestion systems.
  • Deep understanding of complex and scalable systems - you can design, build and maintain top-level systems with a desire to work on deep and interesting technical problems.
  • Extensive experience working with cloud-based applications and architecture (Rokt’s systems are hosted in 4 separate regions over 14 markets, all on AWS).
  • Strong system architecture design experience and understanding; space/time complexity, API contract design and stewardship, cloud-based infrastructure (AWS/GCP).
  • Learn quickly: demonstrated ability to quickly understand and absorb new information. Passion for technology and eager to dive in to figure out how things work.
  • Problem-solving skills: able to use first principles - using both qualitative and quantitative data - to solve complex problems.
  • Leadership: organise and motivate engineering contributors, work with the product team to schedule in an efficient and productive manner, and identify and hire exceptional people.
  • Excellent communication skills in English - you can explain complex ideas to technical and non-technical audiences both verbally and in writing.
  • At Rokt we encourage autonomy; teams have complete ownership of their systems including building, running and monitoring.
  • Ideas, opinions, and the ability to share them through respectful proposals, presentations, and team-wide discussions, An eagerness to work and learn in the open and share your learnings with your teammates.
  • A willingness and comfort in communicating remotely through chat, docs, video calls, and other collaborative online tools.


  • Work with the greatest talent in tech. Our recruitment process is tough but diligent. We’re constantly aiming to implement our value of “raise the bar” and set high standards for our Rokt’stars. This is essential in our high-performing, high-grow culture where we strive to bring in the brightest and best talent. Our teams thrive by challenging the status quo and we encourage all of our teams to unlock their desire to achieve something bigger.
  • Join a community. At Rokt we’re a community of curious explorers. We’re not afraid of venturing into uncharted territories. We work together as one single, aligned team. We value diversity and transparency which is why we support a number of internal employee resource groups including an EDI steering committee, Rainbow Rokts that empowers our LGBTQIA+ Rokt’stars, and Womxn who Rokt that promotes gender equality in tech. 
  • Accelerate your career. We want you to unlock your full potential. This is why we have an annual ‘Level Up’ allowance of $5,000 that gives Rokt’stars the ability to take courses, attend events, go to training, and more to help our great employees become even better. 
  • 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 been with us for 5 years or more.
  • Become a shareholder. All Rokt’stars have stock options. If we succeed, everyone is rewarded. 
  • See the world! We want our Rokt’stars to enjoy the ride. As we aim to bring meaning and fun 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 strive 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,Seattle, Sydney, London, and Tokyo. 
  • We believe we’re better together. We love spending time together and are in the office most days (all teams are in the office 4 days per week). We also get that you need to balance your life and your commitments so you have 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 know our collective strength comes from how different we all are. We encourage you to apply for one of our open roles—irrespective of socio-economic status or background, age, gender identity, race, religion, sexual orientation, color, pregnancy, carer/family responsibilities, national and social origin, political opinion, marital, veteran, or disability status.

Salary Range - $190,000-$270,000 AUD per year plus equity and benefits