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Added 8 mins ago
KC
Senior Mechanical Engineer - Hydro
Klohn Crippen Berger
Vancouver, BC · Toronto, ON
- Full-time
The successful candidate will provide technical leadership on complex hydroelectric projects, lead multidisciplinary design efforts, and serve as a senior technical reviewer, ensuring…
Added 8 mins ago
VP
System Integration Project Manager
Vista Projects Limited
Calgary, AB
- Full-time
Post-secondary education in engineering, design, computer science, management information systems, or project management
Added 8 mins ago
Customer Service and Logistics Manager
Amrize
Mississauga, ON
Coordinate the maintenance and improvement of order entry, dispatch systems, and plant procedures to ensure on-time delivery and seamless communication.
Added 8 mins ago
P
Instrumentation Administrator
Propak
Airdrie, AB
- Full-time
Post Secondary education in Office Administration, Business Administration, Engineering Technology, Document Control or related field will be considered an asset.
Added 23 mins ago
LM
DIRECTOR OF INFORMATION TECHNOLOGY
Lacroix Médecine Privée
Quebec, QC
- Full-time
They provide leadership for technology strategy, infrastructure, business systems, cybersecurity, data governance, digital transformation, and artificial intelligence.
Added 23 mins ago
MS
Capture Director / Business Development
MDA Space
Ottawa, ON
- Full-time
…as a sovereign Canadian provider of mission-critical C4ISR systems, bringing disciplined prime-contractor execution to defence and security…
Added 23 mins ago
MS
Capture Director / Business Development
MDA Space
Ottawa, ON · Kanata, ON
- Full-time
…as a sovereign Canadian provider of mission-critical C4ISR systems, bringing disciplined prime-contractor execution to defence and security…
Added 23 mins ago
H
Electrical Engineer
Hays
Ottawa, ON
- $100,000 to $120,000 CAD / year
- Full-time
Join a well-established and collaborative engineering consulting firm specializing in building systems design. With a strong portfolio of institutional, healthcare, laboratory, and civic…
Added 23 mins ago
W
Material Handler
Worley
AB · Edmonton, AB
- Full-time
…across the life of their assets. We specialize in consulting, engineering, procurement and construction across the project lifecycle, with services extending through to operations and…
Added 23 mins ago
R
Robotics & Controls Engineer | Ingénieur(e) en robotique et commande
Relocalize
Montreal, QC
- Full-time
Reporting directly to the CTO, you will join a small, hands-on engineering team as an individual contributor. You will work on-site with our technicians to run the system, find what limits…
Added 23 mins ago
AA
Senior Procurement Specialist
ASSA ABLOY Opening Solutions Americas
Woodbridge, ON
- Full-time
Lead cost reduction and value engineering initiatives across material and service categories
Added 23 mins ago
AS
Full Stack Developer
Axelon Services Corporation
Montreal, QC
- $77.93 USD / hour
- Other
Support and lead different phases of the product lifecycle including analysis, development, and testing.
Added 23 mins ago
W
Site Superintendent
W3Global
Halifax, NS
- $120,000 to $150,000 CAD / year
- Full-time
As a Site Superintendent, you will take the lead role in executing large-scale, mid-rise and high-rise, multi-residential construction projects from site mobilization through to occupancy.…
Added 23 mins ago
C
IT System Architecture Specialist-EN
CAE
Montreal, QC
- Full-time
…essential. Our enterprise functions don’t just support; they lead, playing a critical role in shaping the company’s path forward and ensuring both clients and employees are ready for the…
Added 23 mins ago
KC
Senior Mechanical Engineer - Hydro
Klohn Crippen Berger
Vancouver, BC
- Other
The successful candidate will provide technical leadership on complex hydroelectric projects, lead multidisciplinary design efforts, and serve as a senior technical reviewer, ensuring…
Added 23 mins ago
QG
IT Support Analyst - Fulltime Position (On-Site)
QSP Geographics Inc.
Vaughan, ON
- $55,000 to $70,000 CAD / year
- Full-time
…disciplines that include GIS services, CAD drafting, survey, engineering, and asset management services. We presently have over 125 employees with offices in Toronto and…
Added 23 mins ago
L
Principal AI/ML Engineer
lululemon
Vancouver, BC
- Full-time
11-15+ years of progressive software engineering and AI/ML engineering experience, including significant experience designing and operating enterprise-scale AI systems and platforms, or…
Added 23 mins ago
CM
Account Manager
Cyclic Materials
Toronto, ON
- Full-time
The Account Manager will work in close partnership with the Account Executive. The Account Executive will lead field-based business development and strategic relationship building, while…
Added 23 mins ago
Field Service Representative
EnerSys Delaware Inc.
Winnipeg, MB
…We complement our extensive line of Motive Power and Energy Systems with a full range of integrated services and systems. With sales and service locations throughout the world, and over 100…
Added 23 mins ago
E
Environmental Engineer/Geoscientist/Qualified Person
EXP
Windsor, ON
- Full-time
…mould and moisture assessments, indoor air quality assessments, lead and silica assessments and…
Added 23 mins ago
S
BIM Modeller - Electrical
SYSTRA
Toronto, ON
- $65,000 to $85,000 CAD / year
- Full-time
SYSTRA Canada is part of the SYSTRA group, an international consulting and engineering group, a world leader in the design of transport infrastructures. SYSTRA Canada is an engineering and…
Added 38 mins ago
V|
Gestionnaire de Projets Municipal / Project Manager Municipal
Veolia | North America
Montreal, QC
- Full-time
Lead and coordinate multidisciplinary teams, including engineering, drafting, commissioning and production;
Added 38 mins ago
TC
Senior Strategic Sourcing Specialist
The CSL Group Inc
Montreal, QC
- Other
…internal stakeholders to develop procurement category strategies, lead contract negotiations, support change management, and strengthen supplier performance and…
Added 38 mins ago
H
Electrical Engineer
HDR
Toronto, ON
- Full-time
We believe building engineering is more than systems and structures, it’s about powering progress and enabling innovation. As part of HDR’s Building Engineering Services Group, you’ll help…
Added 38 mins ago
H
Electrical Engineer
HDR
Toronto, ON
- Full-time
We believe building engineering is more than systems and structures, it’s about powering progress and enabling innovation. As part of HDR’s Building Engineering Services Group, you’ll help…

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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