Posted Monday, August 17, 2026 at 4:00 AM 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. ACV is a technology company that has revolutionized how dealers buy and sell cars online.

We are transforming the automotive industry. 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.

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.

Generous Parental Leave

Top-Up Pay and Vacation Programs. Retirement planning through the Company’s RRSP. 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 strong 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.

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 robust focus on reliability, performance, and operational excellence. 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. 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 Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent work experience) Ability to read, write, speak, and understand English. 7+ years of experience programming in Python 5+ years of experience with Cloud platforms preferably in AWS or GCP Experience with in-memory data processing, database monitoring and diagnostic tools, preferably Data Dog.

Strong experience integrating 3rd‑party APIs, implementing authentication & authorization and developing asynchronous data flows. Strong experience developing unit and integration-tests, and setting expectations for test strategy and coverage Proficiency in SQL query writing and optimization. Deep practical experience operating within and leading Agile development environments, with a strong understanding of how to run effective sprints and agile ceremonies. #ACV is committed to being an equal opportunity employer regardless of sex, race, creed, color, religion, marital status, national origin, age, pregnancy, sexual orientation, gender, gender identity, gender expression, genetic information, disability, military status, status as a veteran, or any other protected characteristic.

We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you have a disability or special need that requires reasonable accommodation, please let us know. For information on our collection and use of your personal information, please see our Privacy Notice.

No immigration or work visa sponsorship provided for this position.

📌 Software Developer IV, Data (Toronto)
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📍 Toronto