Software Engineer - Backend Intern - Fall 2026

StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision. With 465 billion automated optimizations per second, the AI-powered StackAdapt Marketing Platform seamlessly connects brand and performance marketing to drive measurable results across the entire customer journey. The most forward-thinking marketers choose StackAdapt to orchestrate high-impact campaigns across programmatic advertising and marketing channels.

About StackAdapt: StackAdapt is a self-serve advertising platform that specializes in multi-channel solutions including native, display, video, connected TV, audio and in-game ads. We empower hundreds of digitally-focused companies to deliver outcomes and exceptional campaign performance everyday. StackAdapt was founded with a vision to be more than an advertising platform, it's a hub of innovation, imagination and creativity.

Engineering Team: As an Engineer at StackAdapt, you will be directly involved in the development of our advertising platform, producing production level code that will have a direct impact on the success of our product. You will work with large data sets and have exposure to modern tech stacks around GoLang and more. StackAdapt's engineering organization believes in working collaboratively and cross functionally. You will get the opportunity to work in a diverse and flexible culture with dedicated career paths to help you succeed.

About the Backend Team:
The backend teams at StackAdapt are responsible for engineering data-intensive large distributed backend systems powering core features including bidding, analytics, inventory, integrations, and user profiling. Our real-time advertising bidding system handles over 3,000,000 requests per second and stores several terabytes of data every day. Our technologies include Go, Ruby on Rails, Aerospike, Redis, Elasticsearch, Kafka, RocksDB, Redshift, ScyllaDB, GraphQL and others. We're not afraid to test and try new technologies.

Watch our talk at Amazon Tech Talks: https://www.youtube.com/watch?v=lRqu-a4gPuU

What you'll be doing:

• Building highly scalable, distributed real-time micro-services primarily written in GoWorking with large data sets and various databases including Aerospike, Elasticsearch, Redis, ScyllaDB, Redshift, TiDB, MariaDB

• Build software that utilizes messaging queues such as Kafka, SQS, and Kinesis

• Write performance-efficient and memory-optimized code

What you'll bring to the table:

• Contribute to technical planning and architectural decision-making

• Collaborating with team members on designing complex, scalable, well-tested, and well documented Backend software

• Ability to take responsibility and ownership of projects

• Contribute to code reviews and cross-team collaboration with product managers and designers

• Write extensible scalable and test-driven software, either in teams or individually depending on the scope of the project

• Working with a designated mentor throughout the internship for technical and career growth direction is an asset

• Having experience with SQL-based databases and writing complex queries for reporting purposes is an asset

• Building highly scalable, distributed real-time micro-services primarily written in Go

The compensation range listed for this role reflects the expected hourly rate for candidates located in Ontario, Canada. It is informed by market data and the approved budget for this position. StackAdapt maintains different compensation ranges for roles across other countries and regions, and final offers will be aligned to the candidate's current location.

This range represents hourly rate only. Depending on the role, candidates may also be eligible for additional compensation such as annual bonuses, commissions, equity awards, and a comprehensive benefits package.

Factors Influencing Final Compensation:

• The final compensation offer will be determined by a variety of factors, which may include, but are not limited to: the candidate's specific experience, technical skills, knowledge, abilities, and relevant education, licensure, and certifications.

• Other business factors, such as organizational needs and budget alignment, may also be considered in the final offer.

Ontario Hourly Band$35—$55 CADStackAdapt is a diverse and inclusive team of collaborative, hardworking individuals trying to make a dent in the universe. No matter who you are, where you are from, who you love, follow in faith, disability (or superpower) status, ethnicity, or the gender you identify with (if you're comfortable, let us know your pronouns), you are welcome at StackAdapt. If you have any requests or requirements to support you throughout any part of the interview process, please let our Talent team know.

About StackAdapt

We've been recognized for our diverse and supportive workplace, high performing campaigns, award-winning customer service, and innovation. We've been awarded:

Ad Age Best Places to Work 2024
G2 Top Software and Top Marketing and Advertising Product for 2024
Campaign's Best Places to Work 2023 for the UK
2024 Best Workplaces for Women and in Canada by Great Place to Work®
#1 DSP on G2 and leader in a number of categories including Cross-Channel Advertising