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Added 11 mins ago
HT
Manufacturing Engineer (Contract)
Husky Technologies
Bolton, ON
- Full-time
Husky TechnologiesTM a company with a strong foundation built on innovation, close customer relationships, a strong sense of community and a unique culture and values. We are looking for…
Added 11 mins ago
HT
PD Software for Service
Husky Technologies
Bolton, ON
- Full-time
Husky TechnologiesTM a company with a strong foundation built on innovation, close customer relationships, a strong sense of community and a unique culture and values. We are looking for…
Added 11 mins ago
SE
Project Engineer Substation and FACTS
Siemens Energy
Oakville, ON
- Full-time
The Siemens Energy Grid Solutions Engineering department comprises of professionals with experience in Primary, Secondary and Civil Engineering for detailed Engineering, Procurement and…
Added 11 mins ago
EN
Program Manager
Extreme Networks
Toronto, ON
- Full-time
…Management, Manufacturing, International Compliance, and government customer teams across multiple time…
Added 12 mins ago
HA
Intern Bachelors Elect Eng
Honeywell Aerospace
Ottawa, ON · Kanata, ON
- Full-time
As an Electrical Engineer intern, you play a critical role in designing, development, and testing of electrical systems and components for aerospace applications. You will apply your…
Added 12 mins ago
HA
Intern Bachelors Mech Eng
Honeywell Aerospace
Ottawa, ON · Kanata, ON
- Full-time
As a Mechanical Engineer intern, you play a critical role in designing, development, and testing of mechanical systems and components for aerospace applications. You will apply your…
Added 27 mins ago
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Engineer In Training
Precinmac
Milton, ON
- $22 to $24 CAD / hour
Interpret customer drawings and specifications
Added 41 mins ago
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Junior Process Engineer
Worley
Sarnia, ON
- Full-time
…through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition…
Added 41 mins ago
ES
Senior AI Engineer
Epsilon Solutions Ltd.
Montreal, QC
- Full-time
Senior AI Engineer - Copilot / ChatGPT / Grok / Claude / Gemini
Added 41 mins ago
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Bilingual Energy Sales Representative - Montreal, QC
Victaulic
Montreal, QC · Quebec, QC
- Full-time
De 2 à 5 ans d’expérience en vente externe dans les marchés de la construction.
Added 41 mins ago
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Jr. Infrastructure Sales Representative - GTA
Victaulic
Brampton, ON · Toronto, ON · Ontario - Toronto
- Full-time
0-2 years of sales or customer-facing experience, ideally in construction or water/wastewater markets.
Added 41 mins ago
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Energy Sales Representative - GTA
Victaulic
Brampton, ON · Toronto, ON · Ontario - Toronto
- Full-time
We engineer change for a more stable and sustainable world.
Added 56 mins ago
Software Development Engineer, AFT Sortation Material Flow
Amazon
Toronto, ON
…and make decisions in real-time? As a Software Development Engineer, you will be responsible to develop our next generation of systems, work that includes managing sorters and workcells…
Added 1 hour ago
CO
Senior Water Resources Engineer
City of Pickering
Canada
- Full-time
The City of Pickering is seeking a dedicated and motivated individual to join our team in the role of Senior Water Resources Engineer.
Added 1 hour ago
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Platform Engineer
Hays
Toronto, ON
- Contract
The customer is looking for a Senior, hands-on Azure Platform Engineer with strong platform expertise across Azure Databricks, Azure Data Factory, Terraform, GitHub Actions, networking,…
Added 1 hour ago
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Software Engineer (React & TypeScript)
Applicantz
Toronto, ON
- $50 to $55 CAD / hour
- Contract
Hands-on professional experience developing production software with AI coding assistants (e.g. Claude Code, Cursor, GitHub Copilot) as part of a daily workflow.
Added 1 hour ago
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GCP Application Support Engineer
Raise
Toronto, ON · North York, ON
- Full-time
Google Cloud Platform (GCP) Application Support Engineer
Added 1 hour ago
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Principal Product Manager, Agent Intelligence
Equinix
Toronto, ON
- Full-time
A career at Equinix means being at the center of shaping what comes next and amplifying customer value through innovation and impact. You’ll work across teams, influence key decisions, and…
Added 1 hour ago
BS
Estimator, Senior
BVGlazing Systems
Laval, QC
- $95,000 to $105,000 CAD / year
- Full-time
…From Toronto to Texas, we are vertically integrated to design, engineer, manufacture and install the complete building envelope with today’s most ambitious developers. Serving both…
Added 1 hour ago
VT
Hardware Test Engineer
VANJOBS Technical Recruiters
Vancouver, BC
- Full-time
…beautiful aesthetics, ease of installation, and unrivaled user…
Added 1 hour ago
SL
ServiceNow Associate Software Engineer
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Waterloo King
- Full-time
You are as unique as your background, experience and point of view. Here, you’ll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts…
Added 1 hour ago
Custom Engineering Specialist
Ametek, Inc.
Calgary, AB
…specialist will be relied upon to design novel solutions for customer applications that serve various industries, including green energy, downstream production, combustion, and sulfur…
Added 1 hour ago
FM
Quality Engineer
Fresenius Medical Care
Richmond Hill, ON
- Full-time
Supports FME Canada’s mission, vision, core values and customer service philosophy. Adheres to the FME Canada Compliance Program, including following all regulatory and division/company…
Added 1 hour ago
MI
Junior Quality Engineer
Magna International
Brampton, ON
- Full-time
With support from Quality Engineering, champion the investigation of concerns or complaints reported by the customer in order to identify and correct quality systems failures using the PPSR…
Added 1 hour ago
AA
Software Engineer IV, Viper Engineering
ACV Auctions
Toronto, ON
- Full-time
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…

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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