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Added 10 mins ago
Renewable Power Senior Engineer
Hatch
Mississauga, ON
Looking to take the next step in your career? Hatch is seeking a Senior Engineer, Renewable Power interested in the integration of Utility Scale Solar PV, wind, and BESS, to work as part of…
Added 10 mins ago
Solar Lead, Senior EOI
Hatch
Mississauga, ON
Lead Business Development in Solar PV including fostering relationships with existing clients, preparing proposals for new work, identifying market areas and pitching clients
Added 25 mins ago
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Senior Geotechnical Engineer - - PL#81213
Peter Lucas Project Management Inc.
Sudbury, ON
- Full-time
…delivery. We are currently looking for a Senior Geotechnical Engineer – Underground Operations to join our…
Added 25 mins ago
MI
Junior Quality Engineer
Magna International
Brampton, ON
- Full-time
…exciting, varied responsibilities as well as a wide range of development prospects. Because we believe that your career path should be as unique as you…
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Wireless Communications Engineer | LoRa, LTE & Satellite
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Educational materials and expenses to support related development
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Data Engineer, Lead
University of Toronto
Toronto, ON
…on-premise to a cloud-based platform. The Lead will not only oversee development processes for institutional data sets but will support teams across the University as we onboard them to the…
Added 26 mins 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 26 mins ago
SG
Transformer Design Engineer
Socomec Group
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- Full-time
This multifunctional role combines magnetics product development with hands-on manufacturing engineering. The engineer will take ownership of designs from initial simulation and…
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Control Systems Engineer
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Geochemist
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In this role, you will work closely with our interdisciplinary technical teams on projects that span diverse sites with unique challenges to support the development of practical solutions.
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…executing test cases, identifying defects, and collaborating with development teams to deliver high-quality software…
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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…
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Engineering Manager, Reactor Engineering
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Pickering, ON
- Full-time
Make the most of diverse opportunities for training and professional development to grow your skills and expertise.
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Senior Civil Engineer/Civil Project Manager
Dillon Consulting Limited
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Project Manager - Highways
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- $130,000 to $180,000 CAD / year
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Added 41 mins ago
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IBM Financial Transaction Engineer
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Devops Engineer
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Geochemist
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Work closely with Data Services, Business Development, Software, IT, and operational teams.
Added 41 mins ago
UO
Product Engineer
University of Alaska Fairbanks Petroleum Engineering
Engineer, BC
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The primary function of the position is to provide leadership for new product design and development as well as support for current production lines. This position works closely with sales…
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Added 41 mins ago
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Intermediate Electrical Engineer
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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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