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Added 8 mins ago
L
Senior Software Engineer
LTM
ON · Ontario, Canada
- $100,000 to $110,000 USD / year
- Full-time
Support backend development and platform enhancements with minimal supervision
Added 23 mins ago
IA
Sr. AI Data Platform Engineer (FinOps Reporting)
IT Accel, Inc.
Toronto, ON
- Full-time
Normalize cloud and technology spend data across provider feeds, including alignment with standards such as FOCUS where applicable.
Added 23 mins ago
HO
BI Analytics Engineer
Hydro One
Toronto, ON
- $80 to $90 CAD / hour
- Contract
We are seeking a BI / Analytics Engineer to support the data, semantic model, and reporting components of contact center analytics solutions built on Microsoft Fabric and Power BI.
Added 24 mins ago
A
System Test Engineer
Artech
Montreal, QC
- Contract
Perform functional, integration, regression, and performance testing across web, API, and cloud applications.
Added 39 mins ago
AC
Senior Presales Solutions Architect, AWS
Adastra Corporation
Markham, ON
- Full-time
Design AWS solutions end to end - landing zones and Control Tower, VPC and identity patterns, data platform services, integration, security, and governance - and defend the design under…
Added 53 mins ago
QA
Data Engineer II - QuantumBlack, AI by McKinsey
QuantumBlack, AI by McKinsey
Toronto, ON
- Full-time
Added 53 mins ago
EN
Program Manager
Extreme Networks
Toronto, ON
- Full-time
…multi-year strategic government program involving hardware platform NPI, concurrent software releases, private cloud infrastructure deployment, and international compliance certification.…
Added 1 hour ago
AI
Microsoft Defender Security Engineer
Apptoza Inc.
Calgary, AB
- Full-time
Manage CrowdStrike Falcon platform including policy tuning, threat detection, and endpoint protection.
Added 1 hour ago
RT
Generative AI Engineer (Python and Angular)
Rang Technologies Inc
Mississauga, ON
- Full-time
Good to Have Skills : Angular, AWS AI Services, Azure Cloud Services, GCP AI Services, HTML/HTML5, React
Added 1 hour ago
L
Principal AI/ML Engineer
lululemon
Vancouver, BC
- Full-time
As a Principal AI/ML Engineer, you will define and drive implementation approaches for enterprise-scale AI initiatives that transform how lululemon operates and delivers value. You will…
Added 1 hour ago
IA
Sr. AI Data Platform Engineer (FinOps Reporting)
IT Accel, Inc.
Toronto, ON
- Full-time
Normalize cloud and technology spend data across provider feeds, including alignment with standards such as FOCUS where applicable.
Added 1 hour ago
A
Software Engineer (React & TypeScript)
Applicantz
Toronto, ON
- $50 to $55 CAD / hour
- Contract
This role is in the Platform Organization within the Product Design and Manufacturing Solutions (PDMS) division. We are looking for an experienced Software Engineer to join one of our teams…
Added 1 hour ago
R
GCP Application Support Engineer
Raise
Toronto, ON · North York, ON
- Full-time
Google Cloud Platform (GCP) Application Support Engineer
Added 1 hour ago
C
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 1 hour ago
SL
ServiceNow Associate Software Engineer
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Waterloo King
- Full-time
Cloud technologies or modern data platform expertise
Added 2 hours ago
Data Engineer, Lead
University of Toronto
Toronto, ON
The role will help implement new tools and technologies as the University undergoes its platform migration from on-premise to a cloud-based platform. The Lead will not only oversee…
Added 2 hours 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…
Added 2 hours ago
Senior Software Engineer
Electronic Arts
Vancouver, BC
We are seeking an experienced Senior Software Engineer to join our Service Enablement organization as a technical leader and change-maker. In this role, you will lead a team of software…
Added 2 hours ago
MC
Cloud Platform Engineer – Kubernetes (36051)
Myticas Consulting
Toronto, ON
- Contract
Myticas Consulting is seeking an experienced Cloud Platform Engineer – Kubernetes to support enterprise cloud infrastructure, container platforms, and application engineering teams.
Added 2 hours ago
IS
Generative AI Engineer
Iris Software Inc.
Toronto, ON
- Contract
…apply these principles to building out an evolving ML / AI platform in the…
Added 2 hours ago
QI
AI Engineer
Quality IT Resourcing
Montreal, QC
- Contract
Engineer the context supplied to agents: select and assemble relevant instructions, retrieved information, tool outputs, and conversation history within token and access-control constraints.
Added 2 hours ago
IA
AI/ML Platform Engineer – Containers & GPU Infrastructure - Canada
IT Accel, Inc.
Toronto, ON
- Full-time
We're hiring a hands-on AI/ML Platform Engineer to build and run the infrastructure behind enterprise AI/ML services at a large financial services organization. The core of the job is…
Added 2 hours ago
T
Software Engineer II
TD
Toronto, ON · Montreal, QC
- Full-time
The TD Insurance Digital Platform is looking for a Software Engineer to join the MyInsurance development team. As a Software Engineer, the candidate will be a key contributor to…
Added 2 hours ago
Software Engineer IV, Viper Engineering
ACV
Toronto, ON
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…
Added 2 hours ago
A
Senior IT Systems Engineer
arcadia
Toronto, ON
- $150,000 to $185,000 CAD / year
- Full-time
A well-funded deep-tech AI startup is hiring a Senior IT Systems Engineer to run and scale the corporate IT systems supporting its Toronto and Redwood City offices and remote employees. The…

ACV Auctions

Software Engineer IV, Viper Engineering

Toronto, ON, Canada

Full-time

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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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