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Added 12 mins ago
Senior Quality Engineer (ETL testing)
Scotiabank
Toronto, ON
Experience developing and maintaining ETL test automation solutions using Python, SQL, or similar technologies for automated data validation, reconciliation, and regression testing.
Added 12 mins ago
AW
Senior Quality Assurance Automation Engineer
Agilus Work Solutions
Toronto, ON
- $55 to $60 CAD / hour
- Contract
5+ years of Quality Assurance, Quality Engineering, or Test Automation experience
Added 12 mins ago
D
Lead AI.Net Developer
Digitive
Canada
- Contract
…serve as the ground-level technical partner to our Lead AI Engineer. While the Lead AI Engineer establishes the architectural vision and transformation roadmap, you will be the core builder…
Added 12 mins ago
AI
Mainframe Production Support Engineer
Aptino, Inc.
Toronto, ON
- $45 to $50 CAD / hour
- Contract
We are looking for an experienced Mainframe Production Support Engineer to support and maintain critical banking applications. The ideal candidate must have strong hands-on experience in…
Added 12 mins ago
C
Staff Security Engineer - Calix Cloud
Calix
Canada
- Full-time
We’re looking for a Staff Security Engineer to define and strengthen the trust architecture connecting our devices, customers, and cloud platform. In this highly influential, hands-on role,…
Added 12 mins ago
RI
Frontend Software Engineer React, TypeScript & AI-Assisted Development
Rose International
Toronto, ON
- Full-time
Familiarity with test automation tools & strategies
Added 43 mins ago
IT Support Engineer III
SHEIN
Canada
We are seeking a passionate and experienced Enterprise IT Engineer III to lead innovative, technology-driven initiatives across IT Foundation Services. This role will be instrumental in…
Added 43 mins ago
AM
Sr. Systems Design Engineer
Advanced Micro Devices, Inc
Markham, ON
- Full-time
…collaborate with experienced engineers across multiple teams to build test environments, execute validation, troubleshoot technical issues, and contribute to improvements in AMD’s…
Added 43 mins ago
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QA Automation Engineer – Selenium & Playwright
Apptoza Inc.
Toronto, ON
- Contract
Role: QA Automation Engineer – Selenium & Playwright
Added 43 mins ago
ST
Multiple Automation Tester Role
Silverlink Technologies
Brampton, ON
- Contract
Advanced Concepts: AI-assisted automation, intelligent test generation, and packet capture debugging.
Added 1 hour ago
TT
Optical System Design Engineer
Teledyne Technologies Incorporated
Waterloo, ON · Canada - Waterloo, ON
- Full-time
…reliability. These markets include aerospace and defense, factory automation, air and water quality environmental monitoring, electronics design and development, oceanographic research,…
Added 1 hour ago
TT
Systems Design Engineer III
Teledyne Technologies Incorporated
Waterloo, ON · Canada - Waterloo, ON
- Full-time
…reliability. These markets include aerospace and defense, factory automation, air and water quality environmental monitoring, electronics design and development, oceanographic research,…
Added 1 hour ago
VS
Software Systems Engineer - Interferometry/microscopy
VIAVI Solutions
Ottawa, ON
- Full-time
Our team develops optical test and measurement equipment for telecommunications lab and manufacturing use. We are hiring a full-stack software and systems engineer to own the software for…
Added 1 hour ago
GT
Sr QA Engineer (POS)
GSPANN Technologies, Inc
Vancouver, BC
- Contract
Senior QA Engineer with experience across our in-store Point-of-Sale (POS) and mobility stack, including Oracle Xstore and Xmobile, to support application architecture, development and…
Added 1 hour ago
AI Engineer
Eclipse Automation
Cambridge, ON
Eclipse Automation delivers cutting-edge custom automated manufacturing solutions across multiple industries. We combine advanced automation expertise with digital innovation to create…
Added 1 hour ago
I-
Java Developer or Python Developer with Data Lineage and meta data
I8IS - Infiniti Software Solutions
Mississauga, ON
- Full-time
Pipeline and deployment experience: build/test automation, CI/CD, and releasing across environments.
Added 1 hour ago
MT
Controls Engineer
Modern Technical Staffing Inc.
Toronto, ON
- Full-time
Define and run standard test procedures, validation protocols, and acceptance criteria.
Added 1 hour ago
ZS
DevOps Architect
Zodiac Solutions, Inc
Toronto, ON
- Full-time
Hands on experience on CI/CD automation of build and release strategy and pipeline as well
Added 2 hours ago
A
Quality Assurance Automation Engineer
Atos
MB · Manitoba, Canada
- Full-time
- Practical experience using AI tools in test automation, such as AI-assisted test generation and maintenance
Added 2 hours ago
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Senior Playwright Automation Engineer
Centraprise
MB · Manitoba, Canada
- Contract
We are looking for a skilled Playwright Automation Engineer with strong hands-on experience in test automation framework development, maintenance, and AI-driven testing. The ideal candidate…
Added 2 hours ago
M
Int Eng - Int MTS - Software Development
MDA
Brampton, ON
- $75,148 to $112,722 CAD / year
- Full-time
As our intermediate Flight Software Engineer/MTS, you will be instrumental in using your skill and experience as part of a team to design, implement, maintain, and test safety critical,…
Added 2 hours ago
C
Senior Digital ASIC Verification Engineer
Ciena
Ottawa, ON
- $111,900 to $178,700 CAD / year
- Full-time
We are looking for an experienced Senior Digital ASIC Verification Engineer to join our top-level team. You will play a key role in verifying complex, highly integrated digital ASICs, with…
Added 2 hours ago
ET
Test Automation Engineer
Envision Technology Solutions
Toronto, ON
- Contract
We are seeking an experienced Software Development Engineer in Test (SDET) with strong expertise in test automation, Robot Framework, Selenium, Parasoft, and database testing. The candidate…
Added 3 hours ago
P
Senior L3 AI Engineer
PeoplePilot
Montreal, QC
- $120,000 to $140,000 CAD / year
- Full-time
# Senior L3 AI Engineer – Enterprise AI Platforms
Added 3 hours ago
T
Performance Engineering Lead
TD
Mississauga, ON · Toronto, ON
- Full-time
Strategize & lead testing of TD Bank's production like infrastructure with a focus on automation & scale

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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