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Added 1 min ago
C&
Assistant Facilities Manager
Cushman & Wakefield
Toronto, ON
- Full-time
…objectives of the client. This includes fostering a responsive and solutions-oriented approach to tenant needs, maintaining rigorous standards in environmental health and safety, and…
Added 16 mins ago
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Senior Designer, ICT/Security
HDR
Calgary, AB · Toronto, ON
- Full-time
…where people work, connect, and thrive. From high-performance data centers driving the future of AI to dynamic commercial environments, your work will directly support technological…
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Forward Deployed Engineer (FDE)
Coveo
Montreal, QC
How do you turn ambitious use cases into real, working solutions that prove their value fast? As a Forward Deployed Engineer, you bring ideas to life through hands-on prototyping,…
Added 1 hour ago
KC
Senior Embedded Software Designer
Kepler Communications Inc.
Toronto, ON
- Full-time
Our mission is to provide real-time on-orbit connectivity for critical missions, enabling a new era of data-driven intelligence and innovation. With 33 satellites launched to date, Kepler…
Added 1 hour ago
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Senior Data Engineer
Livingston International
Toronto, ON · Etobicoke, ON
- Full-time
Livingston moves goods across a complex, high-velocity supply chain, and data is at the heart of how we plan, route, and optimize that movement. We're looking for a Senior Data Engineer to…
Added 1 hour ago
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Cloud Engineer
Vertage
Ottawa, ON · Kanata, ON
- Contract
Build data integration and processing solutions.
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Senior Manager, Software Engineering
Capital One
Toronto, ON
- Full-time
…company would build, where your work directly shapes innovative solutions that impact millions of…
Added 3 hours ago
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Data Engineer
Manulife
Toronto, ON · Waterloo, ON
- Full-time
As a Data Engineer at Manulife, you would play a critical role in the development and maintenance of the company's data systems and architecture. You would collaborate with other highly…
Added 3 hours ago
Software Development Engineer
CCLIM - Quantitative Equity
Vancouver, BC
…non-traditional high-performance databases, custom applications and data visualization. You own the entire software life…
Added 4 hours ago
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Senior Software Engineer (L3)
Twilio
Remote, Canada
- Full-time
- Remote
As a Software Engineer (L3), you will be a key technical contributor driving the feature design, execution, and operational health of platform services that process millions of requests.…
Added 5 hours ago
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AI Engineer
S M Software Solutions Inc
Mississauga, ON
- Full-time
We are seeking a position of AI Engineer role for Citi based in Mississauga, ON, Canada. The role focuses on designing, building, and deploying Python-based AI/LLM applications and scalable…
Added 5 hours ago
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AI Engineer
S M Software Solutions Inc
Mississauga, ON
- Full-time
We are seeking a position of AI Engineer role for Citi based in Mississauga, ON, Canada. The role focuses on designing, building, and deploying Python-based AI/LLM applications and scalable…
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Sr. Software Development Engineer, AI Models
AMD
Markham, ON
- $132,000 to $198,000 USD / year
- Full-time
Join our innovative team at AMD as an AI Models Software Engineer. We are seeking passionate individuals who are dedicated to optimizing, accelerating, and applying AI models. As a member…
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Profiling Infrastructure Development Engineer
AMD
Markham, ON
- $132,000 to $198,000 USD / year
- Full-time
Implement scalable data transfer solutions for multi-node distributed environments.
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AI Engineer
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Mississauga, ON
- Full-time
We are seeking a position of AI Engineer role for Citi based in Mississauga, ON, Canada. The role focuses on designing, building, and deploying Python-based AI/LLM applications and scalable…
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Actalent
Montreal, QC
- $40 to $70 CAD / hour
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Power Systems Engineer
Actalent
Ajax, ON
- $55 to $70 CAD / hour
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Review historical loading data, customer growth patterns, and system performance metrics to support planning decisions.
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Amélioration Continue - Continuous Improvement
Actalent
Montreal, QC
- $41 to $60 CAD / hour
- Contract
Identifier les problèmes opérationnels et les inefficacités, analyser les causes profondes et développer des solutions pratiques qui simplifient les processus et améliorent la performance…
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Cloud Software Engineer
Actalent
Ottawa, ON · Kanata, ON
- $46 to $65 CAD / hour
- Contract
Job Title: Cloud Software Engineer in Ottawa!
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Senior Instrumentation Engineer
Actalent
Mississauga, ON
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Added 6 hours ago
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Senior Legal Counsel
AtkinsRéalis
Montreal, QC
- Full-time
…teams, the Senior Legal Counsel will help develop practical solutions that support the company's business objectives while appropriately managing legal, commercial and reputational…
Added 6 hours ago
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Vice President, Land & Joint Mission Systems
General Dynamics Missions System International
Ottawa, ON
- Full-time
…security. Our teams design and deliver advanced, mission-critical solutions that enhance national security, strengthen communities, and protect the people we…
Added 7 hours ago
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Co-op Winter 2027 - Software Engineering Developer - 16-Months
General Dynamics Missions System International
Calgary, AB
- Internship
…security. Our teams design and deliver advanced, mission-critical solutions that enhance national security, strengthen communities, and protect the people we…
Added 7 hours ago
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Co-op Winter 2027 - Software Developer - 8 Months
General Dynamics Missions System International
Ottawa, ON
- Internship
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Added 8 hours ago
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Jr. Product Design Engineer
耐克森中国
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Twilio

Senior Software Engineer (L3)

Remote, Canada

Remote

Base Salary : CAD 132,640.00 - 165,800.00 · Full-time

Apply About employer

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Job details

Pay: Base Salary : CAD 132,640.00 - 165,800.00
Job type: Full-time
Workplace: Remote
Experience: 5+ years of experience designing and developing highly available, high-scale, secure, mission-critical cloud-native enterprise distributed systems.
Posting language: English
Posted: Jul 31, 2026

Original job description

Who we are

At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences.

Our dedication to remote-first work, and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands.
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Hiring and how we work

We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions!

Also, while we are a remote-first company, you may be asked to report in person on an ad-hoc basis for team gatherings, functional off-sites or customer meetings. .

See yourself at Twilio

Join the team as Twilio’s next Senior Software Engineer, L3.

About the job

The Compliance Experiences team sits at the heart of the Twilio platform, owning two critical domains: Phone Numbers and Compliance (KYC).

In 2026, "getting a phone number" is no longer a simple API call; it requires sophisticated orchestration across global phone number inventory, real-time identity verification, regulatory compliance, and operational tooling at massive scale.

Twilio’s KYC Platform, the gateway to accessing all of Twilio’s communication APIs, enables customers to securely provision and operate communication services globally while navigating complex, constantly evolving regulatory requirements.

As a Software Engineer (L3), you will be a key technical contributor driving the feature design, execution, and operational health of platform services that process millions of requests. You will build scalable, high-performance solutions while working closely with engineering partners across Twilio to ensure alignment. You will own end-to-end feature delivery, author technical specs, and build robust APIs, microservices, and tooling relied on by cross-functional stakeholders.

You will embrace AI-driven development workflows, using LLMs and agentic tools to accelerate code generation, expand automated test coverage, and translate complex business and regulatory requirements into executable logic. Your mission is to turn technical designs and blueprints into reliable, production-grade features.

Responsibilities

In this role, you’ll:

DRAW THE OWL: Contribute significantly to the technical design and roadmap for core platform components, authoring technical specifications and driving execution to transition legacy systems into modern, scalable cloud-native microservices.
ACCELERATE WITH AI: Actively leverage AI coding assistants (GitHub Copilot, Anthropic Claude, or internal LLMs) to automate boilerplate, generate comprehensive test suites, and rapidly prototype solutions. Set an example within the team for amplifying individual velocity while maintaining high standards of code quality and safety guardrails.
BE AN OWNER: Drive technical excellence and end-to-end component ownership within your team, making sound technical decisions that balance rapid feature delivery with system reliability, security, and technical debt reduction.
WEAR THE CUSTOMER’S SHOES: Partner with Product Managers and cross-functional stakeholders to translate customer needs and regulatory requirements into precise technical specifications, developer-first APIs, and seamless application workflows.
EMPOWER OTHERS: Mentor and uplift junior engineers (L1–L2), onboard new team members, and foster a collaborative environment through constructive code reviews, tech talks, and technical guidance.
RUTHLESSLY PRIORITIZE: Proactively identify and resolve technical risks, performance bottlenecks, and security vulnerabilities within team services. Fully own on-call responsibilities, driving incident resolution and following through with durable root-cause remediation.
WRITE IT DOWN: Articulate technical designs, system trade-offs, and operational runbooks clearly to your team and cross-functional partners through high-quality design documents, RFCs, and thorough documentation.

Qualifications

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

*Required:

5+ years of experience designing and developing highly available, high-scale, secure, mission-critical cloud-native enterprise distributed systems.
Strong Proficiency in Java or Go, with solid knowledge of AWS ecosystems (Lambda, EKS, DynamoDB, Kafka).
Cloud-Native Architecture: Hands-on experience with cloud-native infrastructure (AWS preferred), microservices patterns, and building highly resilient systems.
AI-Augmented Development: Practical experience using AI tools (e.g., Copilot, Claude, Cursor) to accelerate software delivery. You should be comfortable discussing how you use LLMs for debugging, code synthesis, and prototyping.
API Design: Experience building and maintaining high-volume public-facing APIs with a focus on developer experience.
Data Proficiency: Experience with high-throughput data processing and storage solutions (SQL/NoSQL, Redis, Kafka, or Spark).
Infrastructure as Code: Familiarity with Kubernetes, Terraform, and modern CI/CD paradigms.
Collaboration & Influence: Demonstrated ability to influence technical decisions within your team through strong communication and technical credibility.

Desired:

Platform Thinking: Experience building "internal platforms" that enable other developer teams to move faster.
Agentic Systems: Experience building or integrating AI agents into internal developer platforms or automated ops workflows.

Location

This role will be remote, but is not eligible to be hired in San Francisco, CA, Oakland, CA, San Jose, CA, or the surrounding areas.
This role will be remote and eligible to be hired in Ontario, British Columbia & Alberta.

Travel

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

Compensation

*Please note this role is open to candidates outside of California, Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Washington D.C., and Washington State. The information below is provided for candidates hired in those locations only.

The estimated pay ranges for this role in USA are as follows:

Based in Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, Vermont or Washington D.C. : $141,520.00 - $176,900.00.
Based in New York, New Jersey, Washington State, or California (outside of the San Francisco Bay area): $149,840.00 - $187,300.00.
Based in the San Francisco Bay area, California: $166,400.00 - $208,000.00.
This role may be eligible to participate in Twilio’s equity plan and corporate bonus plan. All roles are generally eligible for the following benefits: health care insurance, 401(k) retirement account, paid sick time, paid personal time off, paid parental leave.

The estimated pay ranges in Canada for this role are as follows:

Base Salary : CAD 132,640.00 - 165,800.00
Bonus : 12.5%

Application deadline information

Applications for this role are intended to be accepted until 30 November, but may change based on business needs.

Twilio thinks big. Do you?

We like to solve problems, take initiative, pitch in when needed, and are always up for trying new things. That's why we seek out colleagues who embody our values - something we call Twilio Magic. Additionally, we empower employees to build positive change in their communities by supporting their volunteering and donation efforts.

So, if you're ready to unleash your full potential, do your best work, and be the best version of yourself, apply now! If this role isn't what you're looking for, please consider other open positions.

Stay alert to recruitment fraud

We care about your safety. Scammers sometimes impersonate Twilio recruiters through fake job postings, emails, websites, or messages. Please ensure you are engaging with an official @twilio.com email address. We will never ask for payment, gift cards, cryptocurrency, or banking information during the recruiting process. We do not make job offers without a formal interview process or conduct interviews exclusively through text-based messaging apps.

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Twilio is proud to be an equal opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Additionally, Twilio participates in the E-Verify program in certain locations, as required by law.

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More about this job

Responsibilities

You will drive the technical design, execution, and operational health of platform services while mentoring junior engineers and collaborating with cross-functional teams. The role involves leveraging AI-driven workflows to build scalable, high-performance solutions and owning end-to-end feature delivery.

Requirements

Candidates must have 5+ years of experience in designing and developing highly available, cloud-native distributed systems. Proficiency in Java or Go, along with hands-on experience in AWS ecosystems and modern infrastructure tools, is required.

Skills

Java
Go
AWS
Microservices
Cloud-native architecture
API design
Kubernetes
Terraform
CI/CD
Kafka
DynamoDB
AI-augmented development
System design
Distributed systems
Mentorship
Incident resolution

Benefits

Health care insurance
401(k) retirement account
Paid sick time
Paid personal time off
Paid parental leave
Equity plan
Corporate bonus plan
Wellness leave

Remote locations

Ontario, Canada
British Columbia, Canada
Alberta, Canada

Remote locations (standardized)

Alberta, Canada
British Columbia, Canada
Ontario, Canada

Visa sponsorship

Not detected in the job text

Keywords

Software Engineer
Cloud-native
Microservices
Java
Go
AWS
Lambda
EKS
DynamoDB
Kafka
Kubernetes
Terraform
CI/CD
GitHub Copilot
Anthropic Claude
LLMs
API
Distributed systems
KYC
Compliance
Scalability
Reliability
Security
Technical debt
RFC
Operational runbooks
Agentic systems
Platform engineering
Data processing
Redis

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