Software engineer jobs in Mississauga, ON and nearby

Within 25 km

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Added 6 days ago
T
Software Engineer II (Systems Support)
TD
Toronto, ON
- Full-time
The Software Engineer II is responsible for providing leadership, technical expertise, and operational support within the Credit Platform team. They will ensures the reliability, stability,…
Added 6 days ago
SS
Senior Java Software Engineer
Soho Square Solutions
Toronto, ON
- Contract
Added 6 days ago
Software Development Engineer, AFT Sortation Material Flow
Amazon
Toronto, ON
…of downstream systems and make decisions in real-time? As a Software Development Engineer, you will be responsible to develop our next generation of systems, work that includes managing…
Added 6 days ago
A
Software Engineer (React & TypeScript)
Applicantz
Toronto, ON
- $50 to $55 CAD / hour
- Contract
…Solutions (PDMS) division. We are looking for an experienced Software Engineer to join one of our teams to help us fulfill the mission of the organization, supporting cross-platform device…
Added 6 days ago
SL
ServiceNow Associate Software Engineer
Sun Life
Toronto, ON
- Full-time
As a ServiceNow Associate Software Engineer in our Corporate IT division, you'll be at the heart of designing, developing, and supporting business-critical applications that power Sun…
Added 6 days 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 6 days ago
T
Software Engineer II
TD
Toronto, ON
- 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 6 days 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 6 days ago
SI
Software Engineer - Strong Java, Python and Linux experience
Smart IT Frame LLC
Toronto, ON
- Contract
Job Title: Software Engineer - Strong Java, Python and Linux experience
Added 6 days ago
GC
Senior Software Engineer
Gigafest Consulting
Toronto, ON
- Full-time
Gigafest is seeking an experienced Senior Software Developer to lead the development of a modern public-facing portal for a mission-critical Registration and Permit system. You'll build…
Added 6 days ago
DR
Senior Platform Software Engineer – Frontend
DSI Recruiting
Toronto, ON
- $135,000 to $160,000 CAD / year
- Full-time
Our client is seeking a hands-on Senior Platform Software Engineer (Frontend) to build the shared web foundation for a next-generation enterprise application platform. The role develops the…
Added 6 days ago
DR
Senior Platform Software Engineer – Backend
DSI Recruiting
Toronto, ON
- $130,000 to $160,000 CAD / year
- Full-time
Our client is seeking a hands-on Senior Platform Software Engineer (Backend) to implement shared cloud-native services and reusable .NET SDKs for a next-generation enterprise application…
Added 7 days ago
A
Software Engineer (React & TypeScript)
Applicantz
Toronto, ON
- $50 to $55 CAD / hour
- Contract
…Solutions (PDMS) division. We are looking for an experienced Software Engineer to join one of our teams to help us fulfill the mission of the organization, supporting cross-platform device…
Added 7 days ago
P
Senior Software Engineer - Java/React
PointClickCare
Mississauga, ON
- Full-time
Strong track record building and shipping production software in modern languages
Added 7 days ago
P
Principal Software Engineer
PointClickCare
Mississauga, ON
- Full-time
Strong track record building and shipping production software in modern languages
Added 7 days ago
RE
Software Engineer - Marketing
RedBranch Executive Search & Recruitment
Toronto, ON
- $100,000 to $140,000 CAD / year
- Full-time
Our client is an exciting AI technology startup and they are searching for a Software Engineer with strong marketing knowledge. This position will own the system architecture and technical…
Added 7 days ago
A
Software Engineer
Applicantz
Toronto, ON
- $50 to $55 CAD / hour
- Contract
…Solutions (PDMS) division. We are looking for an experienced Software Engineer to join one of our teams to help us fulfill the mission of the organization, supporting cross-platform device…
Added 7 days ago
P
Principal Software Engineer
PointClickCare
Mississauga, ON
- $142,700 to $178,400 CAD / year
- Full-time
Strong track record building and shipping production software in modern languages
Added 7 days ago
P
Senior Software Engineer - Java/React
PointClickCare
Mississauga, ON
- $130,100 to $162,600 CAD / year
- Full-time
Strong track record building and shipping production software in modern languages
Added 7 days ago
M
Senior Software Engineer-C#
Morningstar
Toronto, ON
- Full-time
Morningstar is seeking a Senior Software Engineer (Backend) to design, build, and maintain scalable enterprise applications and APIs. The role focuses on backend development using C#, .NET,…
Added 7 days ago
A
Frontend Software Engineer – React/TypeScript
Applicantz
Toronto, ON
- $50 to $55 CAD / hour
- Contract
…Solutions (PDMS) division. We are looking for an experienced Software Engineer to join one of our teams to help us fulfill the mission of the organization, supporting cross-platform device…
Added 7 days ago
Software Engineer, Backend
Lyft
Toronto, ON
Lyft considers working in the office at least 3 days per week to be an essential function of this hybrid role
Added 7 days ago
M
Senior Software Engineer-C#
Morningstar
Toronto, ON
- Full-time
Morningstar is seeking a Senior Software Engineer (Backend) to design, build, and maintain scalable enterprise applications and APIs. The role focuses on backend development using C#, .NET,…
Added 7 days ago
Staff Software Engineer, Messaging Experience
Braze
Toronto, ON
We're looking for a Staff Engineer for our Messaging Experience team, responsible for building, maintaining, and evolving Canvas, our flagship product. That means supporting the…
Added 7 days ago
B
Staff Software Engineer, Messaging Experience
Braze
Toronto, ON
- Full-time
We're looking for a Staff Engineer for our Messaging Experience team, responsible for building, maintaining, and evolving Canvas, our flagship product. That means supporting the…

ACV

Software Engineer IV, Viper Engineering

Toronto, ON, Canada

Apply on jobs.dayforcehcm.com About employer

Applications open in a new tab.

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.

Apply on jobs.dayforcehcm.com About employer

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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Software engineer jobs in Mississauga, ON and nearby

Software Engineer II (Systems Support)

Senior Java Software Engineer

Software Development Engineer, AFT Sortation Material Flow

Software Engineer (React & TypeScript)

ServiceNow Associate Software Engineer