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Added 9 mins ago
AH
Registered Nurse
Alberta Health Services
Grande Prairie, AB
- Part-time
…and access to the Canadian Rockies to the south, each day can lead to something new. We are looking for experienced Operating Room Registered Nurses who thrive in environments where each…
Added 9 mins ago
AH
Registered Nurse
Alberta Health Services
Grande Prairie, AB
- Part-time
…and access to the Canadian Rockies to the south, each day can lead to something new. We are looking for experienced Operating Room Registered Nurses who thrive in environments where each…
Added 24 mins ago
CO
Senior Planner
City of Calgary
Calgary, AB
- $56.13 to $75.09 CAD / hour
- Full-time
We are seeking a Senior Planner to join the Local Area Planning team to lead greenfield policy work. As a Senior Planner, you will play a key role in managing complex planning policy…
Added 24 mins ago
NF
Data Engineer
Nature Fresh Farms
Leamington, ON
- $75,000 to $100,000 CAD / year
- Full-time
Demonstrated ability to lead triage and troubleshooting sessions with global, cross-functional stakeholders, and to communicate complex technical details clearly to both Business and…
Added 24 mins ago
S
Lead Crew Hand
SUMMIT
Brooks, AB
- Internship
…to join the Summit Decommissioning Services (SDS) team as a Lead Crew Hand (Competition #26-07-0762). This position will be predominately field work based out of Brooks,…
Added 24 mins ago
SG
Gestionnaire de Projet ERP / ERP Project Manager
Solutions GURUS (GURUS Solutions)
Montreal, QC
- Full-time
Added 24 mins ago
B
Power Electronics Design Engineer
Brunel
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
…working directly with converter controls and solving complex technical challenges in the…
Added 24 mins ago
GD
Research Developer, Frontier AI Incubation, DeepMind
Google DeepMind
Montreal, QC
- Full-time
Lead end-to-end technical development from algorithmic design and experimental prototyping to production-grade architecture and scaled serving infrastructure.
Added 24 mins ago
I
Bilingual Payroll Specialist
isgSearch
Toronto, ON · Greater Toronto Area, Canada
- $80,000 to $90,000 CAD / year
- Full-time
Lead complex Canadian multi-provincial payroll activities, including processing, balancing, validation, reconciliations, statutory remittances and year-end reporting.
Added 24 mins ago
TC
.NET Full stack Developer
Tata Consultancy Services
Toronto, ON
- $100,000 to $120,000 CAD / year
- Full-time
Lead technical design discussions and code reviews.
Added 24 mins ago
CS
MongoDB Data Modeler / Data Engineer
Confiar Services
Toronto, ON
- $60 to $65 CAD / hour
- Contract
Lead MongoDB schema evolution, versioning, migration, indexing, and performance optimization.
Added 24 mins ago
SG
Architecte de systèmes/System Architect
Solutions GURUS (GURUS Solutions)
Montreal, QC
- Full-time
…architectural standards, guide complex solution designs, and lead large-scale transformations while mentoring teams and elevating technical excellence across Professional…
Added 24 mins ago
ME
Lead Systems Engineer
Moment Energy
Surrey, BC
- Full-time
We're looking for a Lead Systems Engineer to own the architecture and technical backbone of our BESS platform - bridging electrical, mechanical, software, battery, and controls into one…
Added 24 mins ago
AI
Terraform Solution Architect - IaC, Port.io" OR "Port Labs" OR "Port Developer Portal
Apptoza Inc.
Toronto, ON
- Contract
Lead architecture initiatives from inception to completion
Added 25 mins ago
I
Administrative Assistant and Commissariat operator, ADB
ICAO
Montreal, QC
- Full-time
The Bureau of Administration and Services (ADB) plays a lead role in the effective and efficient administrative management of the Organization by ensuring the provision of high-quality…
Added 25 mins ago
I
Inventory and Logistics Assistant, ADB
ICAO
Montreal, QC
- Full-time
The Bureau of Administration and Services (ADB) plays a lead role in the effective and efficient administrative management of the Organization by ensuring the provision of high-quality…
Added 25 mins ago
Regional Receptionist - Saskatoon
Scotiabank
Saskatoon, SK
Lead management of facilities operations as well as delivery and change management of facilities related changes
Added 25 mins ago
C
Instructional System Designer
CAE
Montreal, QC · Halifax, NS
- Full-time
CAE is seeking an experienced Instructional Systems Designer (ISD) to support the Canadian Future Fighter Lead-In Training (FFLIT) program. The successful candidate will work within a team…
Added 40 mins ago
Specialist - Project Engineer
L3Harris Technologies
ON · Waterdown, ON
Coordinate engineering changes and lead Enterprise Change Assessment (ECA) technical pillar through the change process
Added 40 mins ago
RB
Senior Product Manager, AI Solutions
Royal Bank of Canada
Toronto, ON
- Full-time
We are seeking a resourceful and curious Senior Product Manager to lead our work on the Underwrite Assist portfolio within Commercial Banking. In this role, you will be responsible for…
Added 40 mins ago
LC
Senior Analytics Engineer
Lightspeed Commerce, Inc.
Remote, Canada
- Full-time
- Remote
Turn ambiguous business requirements from Finance, Revenue Ops, Marketing, and Product teams into well-scoped technical solutions with effort estimates
Added 40 mins ago
LC
Senior Analytics Engineer
Lightspeed Commerce, Inc.
Remote, Canada
- Full-time
- Remote
Turn ambiguous business requirements from Finance, Revenue Ops, Marketing, and Product teams into well-scoped technical solutions with effort estimates
Added 40 mins ago
Staff Technical Program Manager
Okta
Toronto, ON
Okta is looking for a Staff Technical Program Manager to join our Toronto team, where you will operate as a senior individual contributor partnering with Engineering, Product Management,…
Added 40 mins ago
VE
Senior Project Manager, Electrical Commissioning
Veolia Environnement SA
Edmonton, AB
- Full-time
Act as a technical subject matter expert for complex mission-critical projects.
Added 54 mins ago
AH
Medical Radiation Technologist II
Alberta Health Services
AB · Greater Edmonton Metropolitan Area
- Full-time
As a Medical Radiation Technologist (MRT) II, you will perform specialized technical radiological imaging examinations on patients for the purpose of disease and pathology diagnosis. You…

Lyft

Senior Software Engineer, Foundational Infrastructure & Networking

Toronto, ON, Canada

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Job details

Experience: 6+ Years of Production Systems Experience: Proven track record building and operating massive-scale cloud infrastructure and networking platforms.
Posting language: English
Posted: Oct 5, 2026

Original job description

At Lyft, our purpose is to serve and connect. Lyft’s Infrastructure organization builds the high-scale foundation that every engineer at Lyft relies on to ship safe, performant, and reliable services.

As a Senior Software Engineer on the Foundational Infrastructure & Networking team, you will own the core routing, service mesh, and control planes that power hundreds of microservices processing millions of rides daily. This is an IC role with massive engineering leverage: your technical architecture, systems design, and performance optimizations will directly amplify the velocity of every software engineer across Lyft while ensuring platform resiliency at scale.

Responsibilities

Architect & Scale Core Networking: Design, build, and optimize our service mesh, ingress/egress infrastructure, and edge routing capabilities using Envoy Proxy and custom control planes on AWS.
Optimize High-Throughput Control Planes: Enhance load-balancing algorithms, service discovery, and dynamic scaling mechanisms across high-concurrency data and control planes running on Kubernetes.
Drive Systems Reliability & Observability: Operationalize deep telemetry, metrics, and distributed tracing across our networking stack to drastically reduce mean-time-to-detect (MTTD) and resolution (MTTR).
Hands-on Production Debugging: Lead complex technical investigations into cross-stack incidents spanning kernel parameters, cloud VPC network layers, DNS, and distributed microservice protocols.
Technical Leadership & Mentorship: Elevate engineering rigor through RFC reviews, technical vision, incident response post-mortems, and mentoring engineers across the broader Infrastructure org.

Experience

6+ Years of Production Systems Experience: Proven track record building and operating massive-scale cloud infrastructure and networking platforms.
Expertise in Cloud Networking & Protocols: Deep understanding of Linux networking, TCP/IP, DNS, gRPC, HTTP/2, load balancing, and AWS networking architecture (VPCs, NLBs, subnets, transit gateways).
Service Mesh & Proxy Expertise: Hands-on experience building or operating large-scale proxy and mesh technologies (e.g., Envoy, Istio, Cilium, Nginx).
Cloud & Container Infrastructure: Strong experience managing production Kubernetes clusters running on public cloud providers (AWS/GCP) using Infrastructure-as-Code tools (Terraform).
Distributed Systems Troubleshooting: Demonstrated skill in isolating and debugging complex, multi-layered system failures under high throughput conditions.

Benefits:

Extended health and dental coverage options, along with life insurance and disability benefits
Mental health benefits
Family building benefits
Child care and pet benefits
Access to a Lyft funded Health Care Savings Account
RRSP plan with company match to help save for your future
In addition to provincial observed holidays, salaried team members are covered under Lyft's flexible paid time off policy. The policy allows team members to take off as much time as they need (with manager approval). Hourly team members get 15 days paid time off, with an additional day for each year of service
Lyft is proud to support new parents with 18 weeks of paid time off, designed as a top-up plan to complement provincial programs. Biological, adoptive, and foster parents are all eligible.
Subsidized commuter benefits and Lyft ride credits

Lyft is committed to creating an inclusive workforce that fosters belonging. Lyft believes that every person has a right to equal employment opportunities without discrimination because of race, ancestry, place of origin, colour, ethnic origin, citizenship, creed, sex, sexual orientation, gender identity, gender expression, age, marital status, family status, disability, pardoned record of offences, or any other basis protected by applicable law or by Company policy. Lyft also strives for a healthy and safe workplace and strictly prohibits harassment of any kind. Accommodation for persons with disabilities will be provided upon request in accordance with applicable law during the application and hiring process. Please contact your recruiter if you wish to make such a request.

Lyft highly values having employees working in-office to foster a collaborative work environment and company culture. This role will be in-office on a hybrid schedule - Team Members will be expected to work in the office at least 3 days per week, including on Mondays, Wednesdays, and Thursdays. Lyft considers working in the office at least 3 days per week to be an essential function of this hybrid role. Your recruiter can share more information about the various in-office perks Lyft offers. Additionally, hybrid roles have the flexibility to work from anywhere for up to 4 weeks per year. #Hybrid

The expected base pay range for this position in the Toronto area is CAD $136,000 - CAD $170,000, not inclusive of potential equity offering, bonus or benefits. Salary ranges are dependent on a variety of factors, including qualifications, experience and geographic location. Your recruiter can share more information about the salary range specific to your working location and other factors during the hiring process.

Lyft may use artificial intelligence to screen applicants, however, Lyft employees make the ultimate selection and hiring decisions.

This job fills an existing vacancy.

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More about this job

Responsibilities

You will architect and scale core networking infrastructure, including service mesh and edge routing, to support high-concurrency microservices. Additionally, you will drive systems reliability through deep observability and lead complex technical investigations into cross-stack incidents.

Requirements

Candidates must have 6+ years of production systems experience with a focus on cloud networking, Linux, and distributed systems. Proficiency in tools such as Envoy, Kubernetes, and Terraform is required to manage large-scale infrastructure.

Skills

Cloud infrastructure
Networking
Service mesh
Envoy Proxy
Kubernetes
AWS
Linux networking
TCP/IP
DNS
gRPC
HTTP/2
Load balancing
Terraform
Distributed systems
Systems design
Observability

Benefits

Health coverage
Dental coverage
Life insurance
Disability benefits
Mental health benefits
Family building benefits
Child care benefits
Pet benefits
Health Care Savings Account
RRSP plan with company match
Paid time off
Parental leave
Commuter benefits
Lyft ride credits

Visa sponsorship

Not detected in the job text

Keywords

Software Engineering
Infrastructure
Networking
Service Mesh
Envoy Proxy
AWS
Kubernetes
Linux
TCP/IP
DNS
gRPC
HTTP/2
Load Balancing
Terraform
Distributed Systems
Observability
Telemetry
Metrics
Distributed Tracing
VPC
NLB
Cloud Computing
Systems Design
Performance Optimization
Incident Response
RFC
Infrastructure-as-Code
Microservices
Control Planes
Data Planes

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