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Added 4 mins ago
LC
Compliance/DSD Conversion Analyst - Co-op Student
Loblaw Companies Limited
Brampton, ON
- Full-time
The pay range for the co-op student role will reflect factors such as the candidate's experience, academic level, and the specific skillset required for the role.
Added 4 mins ago
C
Database developer Smartstream TLM SME Senior Engineer
Citi
Mississauga, ON
- Full-time
…and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your…
Added 4 mins ago
CT
Senior Applied AI Scientist, Advanced Analytics & Modelling - Customer Intelligence
Canadian Tire Corporation
Toronto, ON
- Full-time
The successful candidate will focus on improving the quality of the models and their outputs. This includes developing better approaches to customer occasion discovery and transaction…
Added 4 mins ago
CT
Senior ML/AI Engineer, Advanced Analytics & Modelling - Customer Intelligence Platforms
Canadian Tire Corporation
Toronto, ON
- Full-time
The successful candidate will lead the transition of the third party-developed engine into a fully owned CTC capability. This includes mastering the existing code, prompts, models, data…
Added 4 mins ago
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Manager, DevOps Engineering
EllisDon
Mississauga, ON
- Full-time
Build, coach and develop a high-performing engineering team with clear expectations for ownership, communication, and engineering excellence.
Added 4 mins ago
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Product Engineer (Cabico Coaticook)
Cabico
Sherbrooke, QC
- Full-time
The successful candidate will contribute to the success of the company by assuming the following responsibilities:
Added 4 mins ago
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Product Engineer (Cabico Coaticook)
Cabico
Coaticook, QC
- Full-time
The successful candidate will contribute to the success of the company by assuming the following responsibilities:
Added 4 mins ago
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EI&C Co-op
Veolia | Water Tech
Oakville, ON
- Internship
…team you will work collaboratively with a cross-functional engineering team. You will participate in a wide range of design activities and help with developing the control panel design,…
Added 4 mins ago
I
Frontend Developer - Angular
Infoya
Toronto, ON
- $70,000 to $80,000 CAD / year
- Full-time
Contribute to frontend architecture, coding standards, tooling decisions, documentation, and improvements in scalability, accessibility, and engineering practices.
Added 19 mins ago
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Stage - Hiver - Responsable de la gestion des stocks / Internship-Winter-Material Management Lead
RTX
Longueuil, QC
- Full-time
Added 19 mins ago
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PLM OCM Lead
RTX
Longueuil, QC
- Full-time
The selected candidate will be required to complete a criminal background check and any applicable clearances with respect to the handling and transfer of controlled goods. Employment is…
Added 19 mins ago
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Scientist II
Evonik
Burnaby, BC
- Full-time
Added 19 mins ago
MR
Field Coordinator
Maple Reinders
St. Thomas, ON
- $75,000 to $90,000 CAD / year
- Full-time
…Coordinator to join our team in St Thomas, Ontario. The successful candidate will join our field operations department where we focus on Civil and ICI…
Added 19 mins ago
CI
Student Intern, Buying and Planning Data Analytics
Celestica International LP
Toronto, ON
- $23 to $30 CAD / hour
With deep expertise in design, engineering, manufacturing, supply chain management and platform solutions, Celestica enables critical data center infrastructure for AI, cloud, and hybrid…
Added 19 mins ago
Senior Forward Deployed Engineer (Gemini Enterprise)
Welcome to the Jungle
Montreal, QC
We sit at the intersection of consulting, data science, AI technologies, data engineering, and digital transformation. We do not just advise - we build, implement, and deliver results our…
Added 19 mins ago
I
Frontend Developer - Angular
INFOYA
Toronto, ON
- $70,000 to $80,000 CAD / year
- Full-time
Engineering, or related field (or equivalent experience).
Added 19 mins ago
LA
Senior Analytics Engineer
Level Access
Canada
- Full-time
Raise engineering standards. Review dbt code, establish modeling conventions and mentor peers. Use AI-assisted tools for SQL, tests, and documentation while holding generated work to…
Added 19 mins ago
C
Senior Playwright Automation Engineer
Centraprise
MB · Manitoba, Canada
- Contract
…development, maintenance, and AI-driven testing. The ideal candidate should have practical knowledge of integrating Playwright with Model Context Protocol (MCP) and using AI tools to…
Added 19 mins ago
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Technical Field Lead
RigUp
ON · Ontario, Canada
- Contract
…County staff, and bringing local, hands-on well knowledge. An engineering team provides the engineering review and sign-off behind this…
Added 19 mins ago
2I
Senior Business Analyst
2iSolutions Inc.
Toronto, ON
- Contract
Our Toronto-based client is hiring a Business Analyst – Senior for a 10-month onsite contract opportunity in Toronto, ON. The candidate must work onsite 5 days a week.
Added 19 mins ago
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AME E / AVS
Heli-One
Petawawa, ON
- Full-time
We kindly request that agencies do not contact us regarding this position or submit unsolicited candidate CVs. Any CVs sent without prior written agreement will be treated as direct…
Added 19 mins ago
H
Avionic AME (E or AVS)
Heli-One
Frankford, ON
- Full-time
We kindly request that agencies do not contact us regarding this position or submit unsolicited candidate CVs. Any CVs sent without prior written agreement will be treated as direct…
Added 19 mins ago
UT
Professional Engineering - Electrical Systems Integration
UNIZON Taskforce Technology
Montreal, QC
- $110,000 to $150,000 CAD / year
- Full-time
Job Title: Professional Engineering - Electrical Systems Integration
Added 19 mins ago
BH
Sr. Engineer - Dam Safety Surveillance (Lower Mainland & Bridge Coastal)
BC Hydro
Burnaby, BC
- Full-time
Bachelor's degree (or higher) in Geotechnical, Geological, Structural, or Civil Engineering.
Added 19 mins ago
GD
AI Governance & Risk Manager
General Dynamics Mission Systems–Canada
Ottawa, ON
- $120,000 to $160,000 CAD / year
- Full-time
At General Dynamics Mission Systems–Canada, we’re not just engineering technology - we’re shaping the future of defence and security. Our teams design and deliver advanced, mission-critical…

ACV

Software Engineer IV, Viper Engineering

Toronto, ON, Canada

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Job details

Posting language: English
Posted: Nov 3, 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 SQL/NoSQL data stores, while owning complex initiatives from discovery through production support. Lead architecture and technical standards, improve reliability and operational maturity, and mentor engineers through design reviews, code reviews, and documentation.

Requirements

The role seeks at least 8 years of SaaS application development experience, particularly with Go and Node.js, plus strong expertise in AWS, Kafka, SQL, APIs, testing, CI/CD, Docker, and Kubernetes. A computer science or related bachelor's degree or equivalent practical experience is preferred, along with demonstrated system architecture, distributed-systems troubleshooting, technical leadership, and communication skills.

Skills

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

Benefits

Health Insurance
Dental Insurance
Vision Insurance
Life and Accidental Death and Dismemberment Insurance
Short-Term Disability Insurance
Long-Term Disability Insurance
Critical Illness Insurance
Supplemental Life and Accidental Death and Dismemberment Insurance
Parental Leave Top-Up Pay
Vacation
Employee Stock Purchase Program
Retirement Plan

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 Workflows
Third-Party API Integration
Authentication and Authorization
Distributed Tracing
Unit and Integration Testing
Schema Design
Query Optimization
System Architecture
Incident Response
Agile Development

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