Software Engineer, Backend

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.

StackAdapt is the number 1 performing programmatic advertising platform helping brands accelerate customer engagement and acquisition. This state‑of‑the‑art platform is where some of the most progressive work in machine learning meets cutting‑edge user experience. Ranking the highest in performance by G2 Crowd for the fourth time, we’re one of the fastest growing companies in Canada and rank 6th in Deloitte’s Technology Fast 50 ranking and 23rd in Fast 500 in North America. 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

StackAdapt is a Remote First company; we are open to candidates located anywhere in Canada for this position.

What You’ll Be Doing

Building highly scalable, distributed real‑time micro‑services primarily written in Go.

Working with large data sets and various databases including Aerospike, Elasticsearch, Redis, ScyllaDB, Redshift, TiDB, MariaDB.

Building software that utilizes messaging queues such as Kafka, SQS, and Kinesis.

Writing performance‑efficient and memory‑optimized code.

We’ll Be Reaching Out To Candidates That Have

2+ years of experience as a Backend Software Engineer.

Very strong problem‑solving skills in data structures, algorithms, and optimisation.

Experience working with relational databases and/or key‑value stores.

Experience building scalable micro‑services and distributed systems.

Teams Hiring at StackAdapt Bidding Team (AdTech at Scale)

Build and optimize the real‑time micro‑services that automatically purchase ad inventory across web, mobile, CTV, and more.

Work on low‑level performance optimizations, high‑throughput systems, campaign pacing algorithms, and ML model integrations that directly impact how millions of dollars are spent efficiently every day.

Ideal for engineers with hands‑on AdTech experience, especially with bidders, open exchanges, and bid streams, who thrive in high‑scale, low‑latency environments.

Marketing Execution (MarTech Meets AdTech)

Join a backend team doing something different: building the foundation for marketing tech, i.e. Email, Direct Mail and SMS marketing as part of StackAdapt’s broader MarTech vision.

Help bridge MarTech and AdTech to create a smarter, more connected marketing platform that allows brands to conduct their advertising and marketing strategies in one place.

Perfect for engineers excited by greenfield development, working on high‑throughput event‑driven systems, and shaping how marketing technology evolves at StackAdapt.

Integrations – Solutions (Platform Expansion & Partnerships)

Develop specialized integrations that unify the fragmented AdTech ecosystem into a single, powerful StackAdapt platform – eliminating the need for advertisers to juggle multiple tools.

Collaborate closely with internal product teams and external data partners to deepen product capabilities, unlock new use cases, and drive platform growth.

A great fit for engineers who enjoy complex integrations, data‑heavy systems, and building scalable solutions that expand market reach.

Our Benefits

Highly competitive salary

Retirement/401K/Pension Savings globally

Competitive paid time off packages including birthdays off

Access to a comprehensive mental health care program

Health benefits from day one of employment

Work from home reimbursements

Optional global WeWork membership for those who want a change from their home office and hubs in London and Toronto

Robust training and onboarding program

Coverage and support of personal development initiatives (conferences, courses, books etc.)

Access to StackAdapt programmatic courses and certifications to support continuous learning

An awesome parental leave program

A friendly, welcoming, and supportive culture

Our social and team events

StackAdapt 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.

We use artificial intelligence (AI) to streamline the resume reviews of candidates and assess their fit based on the criteria outlined in the job posting. We do not use AI to make any final hiring or interview decisions.

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

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