Posted Monday, August 17, 2026 at 4:00 AM

If you are looking for a career at a dynamic company with a people-first mindset and a deep culture of growth and autonomy, ACV is the right place for you Competitive compensation packages and learning and development opportunities, ACV has what you need to advance to the next level in your career. We will continue to raise the bar every day by investing in our people and technology to help our customers succeed. We hire people who share our passion, bring innovative ideas to the table, and enjoy a collaborative atmosphere.

Who we are:

ACV is a technology company that has revolutionized how dealers buy and sell cars online. We are transforming the automotive industry. ACV Auctions Inc. (ACV), has applied innovation and user-designed, data driven applications and solutions. We are building the most trusted and efficient digital marketplace with data solutions for sourcing, selling and managing used vehicles with transparency and comprehensive insights that were once unimaginable. We are disruptors of the industry and we want you to join us on our journey.

At ACV we focus on the Health, Physical, Financial, Social and Emotional Wellness of our Teammates and to support this we offer:

Company Sponsored (paid) Healthcare, Dental, Vision, Life/AD&D;, Short-Term and Long-Term Disability.

Comprehensive additional optional benefits such Critical Illness and Supplemental Life/AD&D.;

All insurance benefits go into effect on your date of hire.

Generous Parental Leave Top-Up Pay and Vacation Programs.

Employee Stock Purchase Program with additional opportunities to earn stock in the company.

Retirement planning through the Company’s RRSP.

Who we are looking for: We are looking for an exceptional





Senior

Software

Developer

to join our Platform Engineering group, focusing on the VIN Decoder platform. The position will focus on backend development, AWS Postgres, GCP BigQuery, Redis, and python development.

The ideal candidate has a strong foundation in software development, database design, multi-cloud environments, and in-memory data technologies. You bring deep technical expertise in software development, demonstrate robust communication and collaboration skills, and embrace a hands‑on, problem‑solving mindset to tackle ACV’s most challenging data engineering problems. This position is ideal for an engineer that thrives in a fast‑paced, collaborative environment and is passionate about solving complex technical challenges.

If you are passionate about solving complex architectural challenges and are equally invested in developing the careers of those around you, this is the perfect opportunity.

If you are passionate about solving complex architectural challenges and are equally invested in developing the careers of those around you, this is the perfect opportunity.

What you will do: Contribute to the technical vision for your team’s domain, making critical decisions on multi-cloud infrastructure, in-memory technologies, and overall system architecture.





Design and build complex systems that can scale rapidly with little maintenance, with a strong focus on reliability, performance, and operational excellence.

Design and implement effective service/product interfaces, including third‑party API integrations

Develop and maintain application data models, including writing and tuning complex SQL queries, optimizing indexes and performance, and designing schemas that reliably support application workflows

Collaborate with software and production engineers to design scalable services, plan feature roll‑out, and ensure high reliability and performance of our products.

Design and develop systems across all major departments including but not limited to; data, enterprise applications, and IT.

Modify and develop custom software patterns as needed to solve highly complex software problems, and clearly document tradeoffs and long‑term maintenance implications.

Be accountable for the overall performance of products and/or services within a defined area of focus, including diagnosing production issues and driving improvements.

Conduct code reviews, develop high‑quality documentation, and build robust test suites for your products (unit/integration testing), ensuring maintainable and well‑covered code.

Drive operational maturity (observability, incident response, on‑call practices, reliability goals) and lead post‑incident analysis with preventative action plans.

Handle multiple competing priorities in an agile, fast‑paced environment while maintaining strong engineering discipline and delivery quality.

Participate in on‑call rotation/production support

You will need to maintain standard Eastern Time (ET) working hours to ensu

📌 Software Developer IV, Data (Toronto)
🏢 ACV Auctions
📍 Toronto