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Added 21 days ago
CI
Student Intern, Test Development
Celestica International LP
Newmarket, ON
- $23 to $30 CAD / hour
Python, Ruby, Java, Perl – considered an asset
Added 20 days ago
O
Sr. Principal AI Architect
OpenText
Richmond Hill, ON
- Full-time
Proven, recent hands-on experience architecting and delivering AI applications, with comfort developing in both Java and Python ecosystems. Ability to explain what you personally built and…
Added 20 days ago
O
Sr. Principal AI Architect
OpenText
Waterloo, ON
- Full-time
Proven, recent hands-on experience architecting and delivering AI applications, with comfort developing in both Java and Python ecosystems. Ability to explain what you personally built and…
Added 20 days ago
O
Senior Principal AI Architect
OpenText
Waterloo, ON
- Full-time
Proven, recent hands-on experience architecting and delivering AI applications, with comfort developing in both Java and Python ecosystems. Ability to explain what you personally built and…
Added 20 days ago
P
Member of Technical Staff (General Software Engineer, Infrastructure)
Perplexity
Toronto, ON
- $220,000 to $405,000 USD / year
- Full-time
Strong software engineering skills in Python or other systems or backend languages such as Go, Rust, C++, or Java.
Added 20 days ago
Data and AI Engineering Associate (8+ months preferred)
FluidAI Medical
Kitchener, ON
Strong knowledge of back-end development (C# Preferred) • Strong Knowledge of mobile software development (Android [Kotlin & Java] preferred)
Added 21 days ago
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Software Engineer II
Guidewire Software
Toronto, ON · Mississauga, ON
- Full-time
Proficiency in Core Java, and good working knowledge of the Spring framework
Added 21 days ago
V
Staff Software Engineer
VGS
Canada
- Full-time
…with a highly consistent modern stack (e.g. AWS, Kubernetes, Java, TypeScript, Python) and world-class AI-augmented SDLC tooling. We strip away the friction so you can focus on the problems…
Added 21 days ago
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Applied Scientist II, Alexa Daily Essentials Science and Analytics
Amazon
Vancouver, BC
- Full-time
Experience programming in Java, C++, Python or related language
Added 21 days ago
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Senior Software Engineer II, KYC
Carta
Toronto, ON
- Full-time
The Tech Stack: You have experience with (or a desire to learn) our core technologies: Python, Django, React, Postgres, and Kafka. We also utilize Java, gRPC, and AWS.
Added 21 days ago
PG
AI Platform Engineer
Pacer Group
Halifax, NS
- $55 to $60 CAD / hour
- Contract
2+ years of development experience in one of the following languages: Java, Python, Javascript/TypeScript, C#, C/C++
Added 1 month ago
Technical Lead / Senior Developer - Software Development
EY
Saskatoon, SK · Toronto, ON · Edmonton, AB · Vancouver, BC · Victoria, BC · Winnipeg, MB · Dieppe, NB · Saint John, NB · St. John's, NL · Halifax, NS · London, ON · Ottawa, ON · AB · ON · Waterloo, ON · Calgary, AB
Added 22 days ago
E
Sr. Software Engineer - Fullstack
eBay
Toronto, ON
- Full-time
Strong programming skills in a backend language such as Java, Kotlin, C#, Python, Go, or similar.
Added 21 days ago
Stagiaire en développement de logiciels (été 2027) / Software Developer Intern (Summer 2027)
Tower Research Capital
Montreal, QC
Connaissance des langages de développement (y compris C++, Golang, Java, Python ou Rust);
Added 21 days ago
Senior Software Engineer II, KYC
Carta
Toronto, ON · Waterloo, ON
The Tech Stack: You have experience with (or a desire to learn) our core technologies: Python, Django, React, Postgres, and Kafka. We also utilize Java, gRPC, and AWS.
Added 21 days ago
Principal AI Architect
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Richmond Hill, ON
Comfort developing in both Java and Python ecosystems, including APIs, services, and integrations. Evidence of personally building prototypes and contributing to working applications.
Added 21 days ago
Principal Software Developer
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Added 21 days ago
SDET Contractor
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Waterloo, ON
Hands-on experience developing automated tests using Python, Java, JavaScript, TypeScript, or a similar programming language.
Added 21 days ago
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QA Automation Engineer with AI
Synechron
Calgary, AB
- $75,000 to $85,000 CAD / year
- Full-time
We are seeking a highly skilled Senior QA Automation Engineer with strong Java, Selenium, and AI experience.
Added 22 days ago
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SAP AI Orchestration Developer
Talan
Toronto, ON · Montreal, Québec
- $140,000 to $200,000 CAD / year
- Full-time
Development: At least four (4) years with Python, plus Node.js or Java; experience with Joule extensibility and workflow automation.
Added 22 days ago
C
Staff Software Engineer, Fullstack
Cloudjobs
Toronto, ON
- Full-time
Expertise in at least one interpreted language such as Python, Ruby on Rails, etc.
Added 22 days ago
A(
Machine Learning Scientist
Amii (Alberta Machine Intelligence Institute)
Edmonton, AB
- Full-time
Proficient in Python, experience in other programming languages i.e. Java or SQL (nice to have)
Added 23 days ago
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Senior Software Development Engineer (SDE3) – Customer Data Platform
Remitly
Burnaby, BC
- Full-time
Expertise in at least one backend language such as Java, Go, or Python.
Added 22 days ago
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Senior Penetration Tester & Red Team Engineer
Cognizant
Toronto, ON
- Full-time
· Strong programming and scripting expertise in languages such as Python, Go, Java, C#, PowerShell, or similar technologies.
Added 23 days ago
C
AI Engineer Intern (Winter 2027)
Ciena
Ottawa, ON
- Full-time
Proficiency in at least one general-purpose programming language, such as Python, JavaScript, TypeScript, Java, or C++, and willingness to learn new languages and tools.

Perplexity

Member of Technical Staff (General Software Engineer, Infrastructure)

Toronto, ON, Canada

$220,000 to $405,000 USD / year · Full-time

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Job details

Pay: $220,000 to $405,000 USD / year
Job type: Full-time
Apply by: Oct 18, 2026
Experience: 4+ years of professional software engineering experience building and operating production backend, platform, or distributed systems.
Posting language: English
Posted: Sep 18, 2026

Original job description

About The Role

The Infrastructure team builds and operates the foundational systems behind Perplexity’s products. At Perplexity, infrastructure sits on the critical path of every answer, supporting real-time search, retrieval, model serving, and agent workloads where latency, reliability, and rapid iteration directly shape the user experience. This role is for strong infrastructure engineers whose experience spans multiple domains and who are energized by cross-cutting problems that do not fit neatly within a single platform team.

You do not need to be a specialist in every area. Scope ranges from owning major production systems to setting technical direction across teams, leading complex infrastructure programs, and shaping infrastructure strategy across the organization. If a specialized Cloud Infrastructure, Storage Platform, Backend Platform, Data Platform, Connector Platform, or AI Acceleration role clearly matches your expertise and interests, apply directly to it. If your experience spans several infrastructure domains or you are most energized by cross-cutting systems problems, apply here. Submit one application, and we will consider you across the Infrastructure organization.

Key Responsibilities

Own cross-cutting infrastructure problems that span compute, storage, networking, data, deployment, and reliability, including eliminating bottlenecks across retrieval and serving paths, building shared abstractions across deployment environments, and resolving failure modes that cross platform boundaries.
Design, build, and operate distributed infrastructure supporting Perplexity’s consumer, AI, and enterprise workloads, owning systems from architecture through production operation.
Identify gaps between existing platforms and build shared abstractions, automation, and tooling that make infrastructure easier and safer to use.
Improve system performance, availability, scalability, and cost-efficiency across online request traffic and background workloads.
Debug complex production issues across service and infrastructure boundaries, then turn the findings into durable architectural improvements.
Set technical direction for complex infrastructure systems, lead high-impact programs across teams, and establish durable technical standards through collaboration with infrastructure, product, AI, and security partners.

Qualifications

4+ years of professional software engineering experience building and operating production backend, platform, or distributed systems.
A track record of owning complex production systems end to end and delivering sustained technical impact across teams.
Demonstrated ability to set technical direction, lead through influence, and raise the engineering bar through architecture, design reviews, and mentorship.
Strong software engineering skills in Python or other systems or backend languages such as Go, Rust, C++, or Java.
Meaningful experience across at least two infrastructure domains, such as cloud platforms, distributed systems, Kubernetes, storage, databases, networking, data systems, developer infrastructure, or production reliability.
Ability to develop depth quickly in unfamiliar systems, reason across software and infrastructure layers, and drive production incidents from diagnosis through durable resolution.

If you’re excited about this role, we encourage you to apply even if your experience doesn’t match every qualification listed above.

Compensation Range: $220K - $405K

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More about this job

Responsibilities

The role involves designing and operating distributed infrastructure to support Perplexity's consumer, AI, and enterprise workloads. You will own cross-cutting infrastructure problems, build shared abstractions, and improve system performance, scalability, and reliability.

Requirements

Candidates must have 4+ years of professional software engineering experience in backend or distributed systems. Proficiency in Python, Go, Rust, C++, or Java is required, along with experience across at least two infrastructure domains.

Skills

Python
Go
Rust
C++
Java
Distributed Systems
Kubernetes
Cloud Platforms
Storage
Databases
Networking
Data Systems
Developer Infrastructure
Production Reliability
System Architecture
Software Engineering

Visa sponsorship

Not detected in the job text

Keywords

Infrastructure
Software Engineering
Distributed Systems
Python
Go
Rust
C++
Java
Kubernetes
Cloud Platforms
Storage
Databases
Networking
Data Systems
Developer Infrastructure
Production Reliability
System Architecture
Backend
Automation
Scalability
Performance Optimization
AI Acceleration
Retrieval
Model Serving
Agent Workloads

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