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Added 10 mins ago
ET
Python Developer
Envision Technology Solutions
Toronto, ON
- Full-time
Design, build, and maintain backend financial and payments system flows (e.g., core banking, ACH, wire, card, and digital asset transaction processing).
Added 10 mins ago
GT
Information Security Analyst
Global Technical Talent, an Inc. 5000 Company
Toronto, ON
- Contract
…professionals in IT, information security, risk management, and digital banking. The team includes solutions developers, release train strategists, and IT security specialists who…
Added 10 mins ago
LI
Content Marketing Manager
Lankin Investments
Vaughan, ON
- $75,000 to $85,000 CAD / year
- Full-time
…seeking a Performance Creative Manager to join our marketing team, with a strong focus on the creative behind our paid social campaigns and the content that grows our…
Added 10 mins ago
Sponsorship Specialist
Sobeys Capital Incorporated or a Franchise/Affiliate / ou une franchise/société affiliée
Calgary, AB · Dartmouth, NS · Mississauga, ON
The Sobeys family is looking for a passionate and experienced marketing professional to join our team as a Sponsorship Specialist. In this role, you will help bring our grocery brands to…
Added 10 mins ago
Director, Surveys and Geomatics
Infrastructure Ontario
Toronto, ON
…advanced GIS tools and techniques. The Survey and Geomatics team is function with a long corporate history and hold a enterprise responsibility for managing and maintaining IO’s GIS…
Added 10 mins ago
Lab Patient Technician
LifeLabs
St. Thomas, ON
For over 50 years, LifeLabs has been Canada’s leading provider of laboratory diagnostic information and digital health connectivity systems, enabling patients and healthcare practitioners…
Added 10 mins ago
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Lab Patient Technician - Part Time (Float) - Saskatoon, SK
LifeLabs
Saskatoon, SK
- Part-time
For over 50 years, LifeLabs has been Canada’s leading provider of laboratory diagnostic information and digital health connectivity systems, enabling patients and healthcare practitioners…
Added 24 mins ago
S
Digital Media Specialist
Sanya’k̓ula
Vancouver, BC
- Full-time
The Digital Media/AV Specialist supports BC Children’s & BC Women’s through planning, creative development, production and output of a wide range of digital media products in collaboration…
Added 24 mins ago
TP
Security Analyst
Toronto Parking Authority
Toronto, ON
- Full-time
…systems, and encryption software, to safeguard the organization’s digital assets in compliance with…
Added 24 mins ago
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Software Applications Engineer 4
HP
Vancouver, BC · Mississauga, ON
- Full-time
Oversees the software application development projects and team of junior developers.
Added 24 mins ago
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Technologist
Sanofi
Toronto, ON
- Full-time
…cutting-edge science and manufacturing, fueled by data and digital technologies, have the potential to transform the practice of medicine, turning the impossible into possible for millions…
Added 40 mins ago
VP
System Integration Project Manager
Vista Projects
Calgary, AB
- Full-time
…administrative, and financial details of each project so the execution team can focus on exceptional service and technical excellence. Activities include estimation, planning/scheduling,…
Added 40 mins ago
CN
Marketing Manager
CULT NATION
Canada
- Full-time
…different bets. When fans start moving on a song, you’ll help the team decide what deserves more time or money while the moment is still…
Added 40 mins ago
CN
Digital Marketing & Content Coordinator
CULT NATION
Canada
- Full-time
Bring Digital Growth a weekly read on what fans watched, shared or clicked, with one idea to test next.
Added 40 mins ago
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Corporate Communications Manager (Contract)
GreenShield
Toronto, ON
- Full-time
Working closely with the CEO, executive leadership team and stakeholders across the organization, this role ensures communications are strategic, authentic, clear and aligned with…
Added 40 mins ago
TC
Fundraising & Communications Manager
Toronto Cat Rescue
Toronto, ON
- Full-time
Coordinate estate correspondence, documentation and follow-up with the Executive Director, finance team and legal counsel as appropriate
Added 40 mins ago
VA
Veterinarian, Lexington Rd Animal Hospital
VCA Animal Hospitals
Waterloo, ON
- Internship
Lexington Rd. Animal Hospital welcomes a Veterinarian to join our team in Waterloo, Ontario.
Added 40 mins ago
VA
Veterinary Reception, Client Care, London Regional Veterinary Emergency & Referral Hospital
VCA Animal Hospitals
London, ON
- Full-time
London Regional Veterinary Emergency & Referral Hospital welcomes a Veterinary Reception, Client Care to join our team in London, Ontario. This is an exceptional opportunity for an…
Added 40 mins ago
WC
Senior Analyst, Business Analysis and Insights
Walmart Canada
Mississauga, ON
- Full-time
Demonstrates engagement and commitment to the team, developing others through feedback, coaching, mentoring, and developmental opportunities; and recognizes others’ contributions and…
Added 40 mins ago
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Global Customer Manager
Epiroc
Mississauga, ON
- Full-time
Contribute as a key member of the Global Customer Relationship team.
Added 40 mins ago
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PeopleSoft HCM Technical Delivery Lead
Ampstek
Mississauga, ON
- Contract
…planning, task allocation, delivery tracking, and coaching team members to achieve project…
Added 40 mins ago
OT
Architectural Quality Inspector
Ontario Transit Group - Ontario Line - Southern Civil, Stations & Tunnel
Toronto, ON
- Full-time
Coordinate closely with Procurement, Suppliers, Subcontractors, Construction Teams, and the Material Quality Team regarding material compliance requirements.
Added 40 mins ago
Y
Marketing Events Specialist - Brand Ambassador
YuJa
Toronto, ON · North York, ON
- $65,000 CAD / year
- Full-time
For over a decade, YuJa has been dedicated to building not only innovative digital compliance and accessibility solutions, but also a workplace where our people can thrive. We invest in our…
Added 40 mins ago
VA
Registered Veterinary Technologist, ICU/Critical Care, Vancouver Animal Emergency and Referral Centre
VCA Animal Hospitals
Vancouver, BC
- Internship
Our Critical Care service is welcoming an enthusiastic, highly motivated Registered Veterinary Technologist (RVT) to join our ever-growing team!
Added 40 mins ago
C
Technical Product Manager
CirrusLabs
Mississauga, ON
- Contract
…Chapter is a fast-paced, highly interdisciplinary, and technical team of people with the adventurous goal of redefining the practice of Pathology by crafting innovative algorithms using AI…

ACV Auctions

Software Engineer IV, Viper Engineering

Toronto, ON, Canada

Full-time

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Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Dec 4, 2026
Posting language: English
Posted: Nov 4, 2026

Original job description

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:

ACV Auctions is looking for a Software Engineer to join our ACV Retail - Viper Teams and work on our SaaS Product. The position will focus on backend development & maintenance of Go Lang features & services hosted in AWS and utilizing Postgres and NOSQL.

The ideal candidate has a strong background and proven track record of architecting and designing enterprise applications in Go Lang and Node.JS, a penchant for high quality code, and a team minded approach to development.

What you will do:

Develop Services using modern language stacks like Go Lang , Postgres and NoSQL databases like mongo, SQL Server is nice to have.
Design and build complex systems that can scale rapidly with little maintenance, with a strong focus on reliability, performance, and operational excellence.
Design, build, and maintain Kafka-based event processing services, including consuming, deserializing, validating, persisting, and reacting to events to drive downstream workflows.
Design and implement effective service/product interfaces, including third-party API integrations and extensible handler patterns for new 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
Own larger, complex initiatives end-to-end - from discovery and requirements through delivery and production support - driving alignment across engineering and business stakeholders.
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.
Lead technical design and architecture decisions across multiple systems/services, and help establish standards, patterns, and best practices.
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.
Provide technical leadership through mentoring, coaching, and strong design/code review feedback, helping raise overall engineering quality.
Develop roadmaps and prioritize technical debt to effectively plan features and work, balancing delivery with long-term platform health.
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.
Perform additional duties as assigned.

What you will need:

Ability to read, write, speak and understand English.
BS degree in Computer Science or a related technical discipline or equivalent practical experience preferred
Minimum 8 years of experience building SaaS web applications using Go Lang and Node.JS and/or C# nice to have (12+ years desirable).
Strong experience maintaining and extending an existing codebase, adapting to pre-existing patterns and tracing the code’s path of execution across services.
Strong experience integrating 3rd-party APIs, implementing authentication & authorization and developing asynchronous data flows.
Strong experience publishing and consuming Kafka events, including designing event contracts, building reliable event-driven workflows, and handling ordering, retries, idempotency, and failure recovery.
Strong experience developing unit and integration-tests, and setting expectations for test strategy and coverage.
Strong experience integrating with cloud service (AWS), specifically: SQS, SNS, S3, ECS, EKS, Lambda, ElasticSearch, Docker / Containers.
Strong experience working with Docker and Kubernetes, including containerization, orchestration (k8s) and serverless deployment scenarios.
Strong experience with build & deployment automation (CI/CD) and release workflows.
Strong SQL programming and data-layer development experience (schema design, query performance, indexing, and data reliability patterns).
Minimum 8 years of experience working with continuous integration and build tools.
Expert in version control systems and branching/release strategies.
Expert in software engineering tooling and mentors and drives adoption for new tools and tooling standards.
Expert in release, builds, testing and the entirety of the SDLC.
Expert at debugging distributed systems using distributed tracing and other common tools; able to lead root-cause analysis and preventative improvements.
Top notch communication skills, including clearly communicating tradeoffs and aligning stakeholders.
Experience architecting and designing systems from the ground up, including making pragmatic decisions for scalability, reliability, and maintainability.
Experience working with a geographically dispersed team across multiple timezones, including leading technical alignment and delivery across teams.

Our Values

Trust & Transparency | People First | Positive Experiences | Calm Persistence | Never Settling

At ACV, we are committed to an inclusive culture in which every individual is welcomed and empowered to celebrate their true selves. We achieve this by fostering a work environment of acceptance and understanding that is free from discrimination. 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.

Compensation: The compensation range for this position is listed in the "Job Details" section at the bottom of this posting. Please note that final compensation will be determined based upon the applicant's relevant experience, skillset, location, business needs, market demands, and other factors as permitted by law.

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More about this job

Responsibilities

Design, build, and maintain scalable backend services and event-driven workflows using Go, Kafka, AWS, and relational and NoSQL databases, while owning complex initiatives from discovery through production support. Lead architecture and technical standards, improve reliability and operational maturity, and support engineering quality through testing, code reviews, documentation, mentoring, and roadmap planning.

Requirements

The role seeks at least 8 years of SaaS application development experience, with strong expertise in Go and Node.js, distributed systems, Kafka, AWS, SQL, containers, CI/CD, and testing. A computer science or related bachelor's degree is preferred, or equivalent practical experience; candidates should also demonstrate technical leadership, system design, communication, and experience coordinating across distributed teams.

Skills

Go
Node.js
AWS
PostgreSQL
NoSQL
Kafka
SQL
Docker
Kubernetes
Microservices Architecture
API Integration
Event-Driven Systems
CI/CD
Distributed Systems Debugging
System Design
Technical Leadership

Benefits

Company-Sponsored Healthcare
Dental Insurance
Vision Insurance
Life and AD&D Insurance
Short-Term Disability Insurance
Long-Term Disability Insurance
Critical Illness Insurance
Supplemental Life and AD&D Insurance
Parental Leave Top-Up Pay
Vacation
Employee Stock Purchase Program
Company Stock Opportunities
Retirement Planning Through RRSP

Visa sponsorship

Not detected in the job text

Keywords

Go
Node.js
C#
AWS
PostgreSQL
NoSQL
MongoDB
SQL Server
Kafka
SQS
SNS
S3
ECS
EKS
Lambda
Elasticsearch
Docker
Kubernetes
CI/CD
SaaS
Event-Driven Architecture
Third-Party API Integration
Authentication and Authorization
Schema Design
Query Optimization
Distributed Tracing
Unit Testing
Integration Testing
Agile
Automotive Digital Marketplace

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