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Added 2 mins ago
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Junior Process Engineer
Worley
Sarnia, ON
- Full-time
We are currently recruiting for a Junior Process Engineer. Our team includes world class experts and dynamic go-getters. This is a full-time position based in Sarnia, Ontario.
Added 2 mins ago
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Senior AI Engineer
Epsilon Solutions Ltd.
Montreal, QC
- Full-time
Senior AI Engineer - Copilot / ChatGPT / Grok / Claude / Gemini
Added 2 mins ago
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Principal AI/ML Engineer
lululemon
Vancouver, BC
- Full-time
The Enterprise Data & AI organization is a strategic and operational driver of growth for lululemon, owning and building the data and AI platforms and services that enable the enterprise to…
Added 2 mins ago
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BIM Modeller - Electrical
SYSTRA
Toronto, ON
- $65,000 to $85,000 CAD / year
- Full-time
BIM Coordinator / BIM Manager / Electrical Lead Engineer
Added 32 mins ago
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Sr. AI Data Platform Engineer (FinOps Reporting)
IT Accel, Inc.
Toronto, ON
- Full-time
Ensure data quality, lineage, reconciliation, documentation, controls, and auditability across FinOps data assets.
Added 32 mins ago
TI
Machine Learning Engineer - Senior
TekStaff IT Solutions
Toronto, ON
- Contract
The Senior Machine Learning Engineer will deploy, integrate, monitor, and operationalize AI and machine-learning solutions using modern MLOps practices. The role will establish reusable…
Added 32 mins ago
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ETL Data Lead (Hybrid)
Cognizant
Halifax, NS
- Full-time
We are seeking an experienced ETL/ELT Engineer to design, develop, and maintain robust data pipelines using Informatica IICS and Snowflake. The ideal candidate will have strong SQL skills,…
Added 32 mins ago
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Principal Product Manager, Agent Intelligence
Equinix
Toronto, ON
- Full-time
Make evaluation part of how agents ship, with eval-based quality gates in CI/CD. No model, prompt, tool or data change reaches users without passing agreed thresholds
Added 1 hour ago
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Quality Engineer
Fresenius Medical Care
Richmond Hill, ON
- Full-time
Reporting to the Head of Quality, the Quality Engineer is responsible for day-to-day execution of the CAPA, nonconformance (NC) and change control processes at the Richmond Hill site. The…
Added 1 hour ago
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Junior Quality Engineer
Magna International
Brampton, ON
- Full-time
Coordinate and create the PPAP documentation package with guidance from a Quality Engineer
Added 1 hour ago
Wireless Communications Engineer | LoRa, LTE & Satellite
Ranchflow
Halifax, NS
Develop communication protocols for device status, location data, alerts, and virtual boundary updates.
Added 1 hour ago
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Environmental Field Scientist/EIT
Stantec
Burnaby, BC
- Full-time
Preparing high quality and detailed field notes, and meeting data quality objectives on every project
Added 1 hour ago
AA
Software Engineer IV, Viper Engineering
ACV Auctions
Toronto, ON
- Full-time
…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…
Added 1 hour ago
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Transformer Design Engineer
Socomec Group
Brampton, ON
- Full-time
We are looking for a Transformer/Magnetics Design Engineer to design, develop, validate, and industrialize low-voltage dry-type transformer designs up to multi-megawatt ratings, advancing…
Added 1 hour ago
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Geochemist
Okane Consultants
Calgary, AB
- $90,000 to $110,000 CAD / year
- Full-time
Developing conceptual site models to support prediction of mine waste geochemical performance and water quality.
Added 1 hour ago
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Engineering Manager, Reactor Engineering
AtkinsRéalis
Pickering, ON
- Full-time
We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's infrastructure and energy systems. Together,…
Added 1 hour ago
OC
Geochemist
Okane Consultants
Saskatoon, SK
- $90,000 to $110,000 CAD / year
- Full-time
Developing conceptual site models to support prediction of mine waste geochemical performance and water quality.
Added 1 hour ago
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Data Operations Engineer AI - Co-op Student (Winter 2027)
Rodan Energy Solutions Inc.
Mississauga, ON
- Internship
In this role, you will work directly with operational workflows such as facility data aggregation, production system integration, and client onboarding, identifying opportunities to…
Added 1 hour ago
BC
Intermediate Electrical Engineer
BBA Consultants
Thunder Bay, ON
- Full-time
BBA is seeking an Intermediate Electrical Engineer to be a part of our new Thunder Bay office to support our continued growth in Central Canada. You’ll play a key role in all phases of…
Added 1 hour ago
AS
Quality Engineer
AgileGrid Solutions
Canada
- Full-time
As a Quality Engineer, you will help maintain product quality and customer satisfaction by investigating product failures and identifying effective solutions. You will plan and conduct…
Added 1 hour ago
QI
AI Engineer
Quality IT Resourcing
Montreal, QC
- Contract
Design and build modular, maintainable Python applications, APIs, and services that integrate LLMs, enterprise data, and business tools.
Added 1 hour ago
AS
Technical Manager – EAF Steelmaking
Algoma Steel Inc.
Sault Ste. Marie, ON
- Full-time
Based in Sault Ste. Marie, Ontario, Algoma Steel is a leading Canadian electric arc steelmaker producing high-quality steel plate and sheet products, proudly supporting critical sectors…
Added 1 hour ago
AS
Senior Data Developer
AgileGrid Solutions
Canada
- Full-time
We are seeking a Senior Data Developer (Engineer) to help build the data foundation for Contact Distributor, Intact’s new platform for broker and distributor master data. This platform will…
Added 1 hour ago
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Production Engineer
Evertz
Burlington, ON
- Full-time
…technical fields and ensuring the Customer’s expectations for quality are always…
Added 1 hour ago
Software Engineer IV, Viper Engineering
ACV
Toronto, ON
…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…

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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