Senior Software Engineer

Published on January 16, 2025

We started as Sweet Tooth Rewards in 2012 and powered points based loyalty programs on the Magento platform.
We grew our points programs in the Magento ecosystem to power over 3,000 live programs on the platform.
In 2014 we expanded our points based loyalty programs to include two of the most popular ecommerce platforms: Shopify and BigCommerce. Since then we have over 20,000 live programs using Smile.io.
In 2017 we rebranded to become Smile.io and began to power reward programs of all different kinds. Our goal is to allow any business to reward their customers and make them smile :)

Smile is the largest and most trusted provider of loyalty programs in the world. We power the loyalty programs for eCommerce & omnichannel merchants, collectively rewarding hundreds of millions of shoppers. Over 100,000 brands use Smile to turn transactional purchases into passionate repeat shoppers. Above all, we strive to make people happy - from our merchants, to their consumers, to our own team. We're a fully remote company made of a team that spans the globe, and we’re as connected as ever.. We’ve been recognized as a “Best Place to Work” in Canada and look forward to continue expanding this on a global scale. As a business, we are in constant evolution and the same is true of our people - we’re here to support each other in our growth.

About the Team:
The Program Squad is a team that spans the entire technical stack, and is focused on providing the functionality merchants need to create and manage effective loyalty programs. They are responsible for building and maintaining features that influence repeat purchase rates, optimize program configuration, enhance the shopper journey, and improve the merchant experience. The team takes an iterative and experimentation-based approach to crafting functionality that delights users and feels native to the Shopify, Wix, and BigCommerce platforms.

Everyone at Smile is driven by these core values:
Be Humble - think of the team before thinking of yourself. Find the solution that creates the most competitive advantage for our merchants, regardless of their source. Celebrate everyone’s wins as if they were our own and go out of our way to give others recognition.

Be Hungry - set hard goals, ask lots of questions and learn every day.set hard goals, ask lots of questions and learn every day. Our drive to help others keeps us committed to infinite learning and taking initiative when no one is watching. We welcome ambiguity as it is an opportunity to leave our mark and understand autonomy and accountability go hand in hand.

Be Human - show empathy towards others and consider the impact of your decisions on others. 
We know that Smile.io as a business is in constant evolution - the same is true of our people. We’re here to support each other in our growth, so we talk openly about our career & personal goals. With such a diverse team of people, we know we can offer you the mentorship, tools, and encouragement you need to grow.

About the Role:
Smile.io is seeking a highly skilled and experienced Senior Engineer proficient in both Front-End and Back-End development to join our dynamic team. As a key member, you'll play a crucial role in designing, constructing, and maintaining our shopper-facing applications and merchant-facing program management tools, ensuring their quality, reliability, scalability, and performance. You will actively participate in running experiments and building incrementally, working in an agile environment to drive innovation and deliver outstanding outcomes. This role is full-time, remote and requires overlap with EST. 
How you'll make an impact:
  • Write, test, instrument, document, and maintain software for Smile.io.
  • Review code and provide thoughtful, constructive feedback for your team.
  • Collaborate closely with Product, Design, and Engineering teams to build new features.
  • Support a highly available service used by millions of users on a daily basis.
  • Champion productive technical discussions and foster collaboration within the team.
Who you are:
  • Possess a minimum of 5 years of technical experience in software engineering or a related field, with strong expertise in both Front-end and Back-end technologies.
  • Have intermediate to expert-level proficiency in either Ember.js or React (using TypeScript), substantiated by relevant professional work experience.
  • Have intermediate to expert-level proficiency in Ruby on Rails, substantiated by relevant professional work experience.
  • Skilled in utilizing observability tools such as DataDog and Grafana to troubleshoot multi-system level issues effectively.
  • Experienced with Postgres or similar databases.
  • Experienced in building and maintaining high-traffic systems.
  • Experienced in test automation practices.
  • Familiar with agile methodologies and the ability to thrive in a fast-paced environment.
Bonus if you have:
  • Experience developing apps for the Shopify platform, including familiarity with Shopify APIs.
  • Hands-on experience with Amazon Web Services, Docker, Kafka, and/or GraphQL.
  • Understanding of database optimization techniques, including indexing, various types of locks, and strategies for optimizing slow queries.
  • Experience in mentoring and fostering the professional growth of junior colleagues.
Our Tech Stack: User Facing Applications
Our Tech Stack: Services
Our Tech Stack: Environment & Infrastructure
Our Commitment to Candidates:
At Smile, we understand that finding a new role is challenging and that self-doubt or imposter syndrome can prevent you from applying to a role, don’t let it! You have a ton to offer and we want you to feel encouraged to apply, even if you don’t check all of the boxes. If you are passionate about eCommerce and helping merchants grow through loyalty and reward, connect with us. 

At Smile, we rely on a range of backgrounds, experiences, and ideas. We value diversity, and we’re proud to be an inclusive, equal opportunity workplace. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. Smile welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process.

AI Disclaimer: At Smile, we’re strong advocates for using AI to help speed up iteration, increase productivity, and save our human brainpower for the really challenging problems. While we’re happy for AI to help you generate or tailor your resume, we’d ask that you please refrain from using AI to answer any of the questions on this application form, or to answer questions during the interview process itself.