Senior Backend Engineer, Applied Machine Learning



Software Engineering
Canada · Remote
Posted on Saturday, June 3, 2023
Ada was founded on land that is the traditional territory of the Mississaugas of the Credit, the Anishnabeg, the Chippewa, the Haudenosaunee, and the Wendat peoples and is home to many First Nations, Inuit, and Métis peoples. We also acknowledge that Tkaronto is covered by Treaty 13 with the Mississaugas of the Credit, and the Williams Treaties signed with multiple Mississaugas and Chippewa bands.
At Ada our mission is to make customer service extraordinary for everyone and our vision is a world where every customer interaction is resolved by AI.
Ada is an AI-powered customer service automation platform that makes it easy for businesses to automatically resolve the greatest number of customer service conversations — across channels and languages - with the least amount of effort.
Since 2016, Ada has powered more than 4 billion automated customer interactions for brands like Meta, Verizon, AirAsia, Yeti, and Square. Born in Toronto, Ada serves companies and their customers worldwide. For more information, visit
As Senior Back End Developer on our Machine Learning team, you'll work directly with Ada’s Machine Learning Scientists by playing a major role in deploying machine learning models and architecting and building the services that bring them to life.
We're looking for someone who is passionate about building innovative and scalable APIs, as well as operationalizing machine learning models that will improve the experience of millions of customers. You’ll have the opportunity to help optimize our machine learning development workflows, and further enhance the engineering practices on the team.

About You:

  • Minimum 5+ years of experience as a Senior Back End Developer
  • Experienced in implementing machine learning models and performing data engineering at scale
  • Profound understanding of distributed cloud systems architecture and relevant technologies
  • Experienced in building and maintaining REST APIs (language and framework non-specific)
  • Strong communication and collaboration skills
  • Understanding and experience with Generative AI
  • Experienced with, Python, k8s (kubernetes), non-relational databases and building robust microservices


  • Become an owner of Ada’s machine learning APIs and lead the engineering efforts that go into them
  • Execute on our ambitious Machine Learning product roadmap through the implementation of services
  • Review the team’s code, provide insightful feedback, and teach everyone something new
  • Help identify and build solutions for increasing the speed and efficiency of our workflows on the Machine Learning team
  • Coordinate and collaborate with ML Scientists and MLOps Engineers to achieve the best product outcomes for Ada
The expected salary range for this position is $105,000 to $155,000. Actual pay will be determined based on several factors, such as past experience and qualifications, geographic location, and other job-related factors permitted by law.
• Competitive salary and generous stock option plan
• Unlimited vacation
• Wellness account
• Extended health coverage
• Dental/optical/travel insurance
• Life insurance
• Employee and family assistance plan
• Flexible work schedule
• Digital first, fully remote with WFH budget
• In-house social worker
• Paid parental leave for Canadian and U.S. residents
• Development opportunities
About Us
Ada is a rapidly growing digital first company in a thriving AI ecosystem. We optimize our communication, collaboration, and work ethic for the digital world instead of in-person. We are building the workplace of the future to build the customer experience of the future. With flexible working hours, together we'll determine a schedule that fits your style and the requirements of your role.
We are backed by world-class investors, including Spark, Accel, FirstMark, Bessemer Venture Partners, and Version One. We provide our employees with competitive compensation, great health benefits, and ownership in our company.
We believe that unchecked biases disproportionately impact the most marginalized people in society—including but not limited to BIPOC, LGBTQ2S+ people, immigrants, and people with disabilities. We strongly encourage applications from people with these identities or other marginalized communities because we believe that without you, we cannot progress. At Ada, we don’t stand for tokenism. We stand for representation.
Our values are our fundamental driving forces for decision-making. They are the heart of what we stand for and are critical to our next phase of growth. You can learn more about our values and Ada’s founding story on our Careers page.
Everyone has their own unique talents. Even if you don’t meet 100% of the qualifications outlined above, tell us why you’d be a great fit for this role in your application.