“library software systems” jobs in Canada – Page 46

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• 1mo

  Game Developer

  Remote in Canada

  RemoteFull Time

  

  Partyhat

  Candidates need proven experience building animated interactive web content or browser-based games, and mastery of TypeScript, JavaScript, HTML5, WebGL, PixiJS and GSAP. They also need mobile-first and touch-handling skills, strong collaboration, and availability seven days a week.

  PixiJS, GSAP, WebGL, HTML5, TypeScript, JavaScript

  1mo

  Senior Frontend Engineer

  Remote in Canada

  RemoteFull Time

  

  Partyhat

  Candidates need proven experience shipping polished production web applications with hands-on mastery of React, Next.js, React Query (GraphQL) and Styled Components. Partyhat also expects profiling and Core Web Vitals skills, understanding of wallet and Web3 UX, and availability seven days a week.

  React, Next.js, React Query, GraphQL, Styled Components

• 1mo

  Sr Product Security Engineer

  Toronto, ON

  Remote

  

  BeyondTrust

  4+ YOECandidates need 4+ years in application security, product security, DevSecOps or security engineering, including hands-on work with security tools in CI/CD pipelines. BeyondTrust also expects experience with GitHub-integrated scanning tools, AI-powered code analysis platforms, scripting and policy-as-code.

  GitHub Advanced Security, CodeQL, Dependabot, Wiz CLI, Claude Code Security, Codex Security

• 1mo

  Senior Software Engineer, DevOps & Security

  Vancouver, BC

  $140k–$195k/yrHybridFull Time

  

  Klue

  Klue needs deep hands-on experience in DevOps, SRE or platform engineering on production systems with on-call duty, strong Kubernetes and infrastructure-as-code skills, GCP or AWS fundamentals, and CI/CD and security tooling experience. Candidates should also show SOC 2 or security-program automation experience and comfort with AI coding tools.

  Kubernetes, GKE, Pulumi, Terraform, GCP, GitHub Actions

• 1mo

  Software Engineer II

  Toronto, ON

  On-siteFull Time

  

  Emburse

  4+ YOECandidates need at least four years of software engineering experience, including strong hands-on C# and .NET Core work and experience with cloud services such as Azure or AWS. They should also know Git, CI/CD pipelines, agile teams and secure coding practices.

  C#, .NET Core, Azure, AWS, Git, Docker

• 1mo

  Engineer

  Vancouver, BC

  HybridFull Time

  

  Xero

  Candidates need proficient backend development in C#, .NET, Java or Go, plus knowledge of distributed systems and relational databases. Working knowledge of DevOps, automated testing and CI pipelines is needed, and interest in AI tools is a plus.

  AWS, C#, NET Core

  1mo

  Engineer

  Vancouver, BC

  $132k–$150k/yrHybridFull Time

  

  Xero

  Candidates need proficient backend development in C#, .NET, Java or Go, plus knowledge of distributed systems and relational databases. Working knowledge of DevOps, automated testing and CI pipelines is needed, and interest in AI tools is a plus.

  AWS, C#, NET Core

• 1mo

  Senior Software Engineer

  Toronto, ON

  $135k–$165k/yrFull Time

  

  SALT XC

  6+ YOECandidates need 6+ years of professional software development experience, including full-stack delivery. They should know cloud deployment, CI/CD, application security and Python or Node.js, plus strong communication skills for working across teams.

  Python, Node.js, React, TypeScript, Tailwind, Google Cloud Platform

• 1mo

  Senior Backend / AI Systems Engineer

  Ontario

  RemoteFull Time

  

  Spellbook

  5+ YOECandidates need 5+ years of production backend experience, strong distributed systems and MongoDB skills, and a pragmatic, self-directed approach to ambiguous problems. Strong written and verbal communication is required.

  MongoDB, Docker, AWS, AWS CDK, Node.js, TypeScript

• 1mo

  Staff Software Engineer, AI Foundations (AI Agent Optimization)

  Remote in Canada

  RemoteFull Time

  

  Temporal Technologies: Temporal develops and distributes the world's leading open source durable execution system.

  8+ YOETemporal Technologies needs 8+ years of professional experience, proven work optimizing AI systems, and deep concurrent programming skills. Candidates need strong API design and technical writing ability, fluency in several programming languages, and a BS or MS in Computer Science or equivalent experience.

  Design principles, Building systems monitoring technology, Programming languages, Python, TypeScript, Oracle Java

• 1mo

  Concepteur logiciel systèmes C++ senior / Senior C++ Systems Software Designer

  Montréal, QC

  On-siteFull Time

  

  Syntronic

  Solide expérience du développement C++ en production; C++11, C++14 ou version ultérieure; Programmation systèmes Linux et/ou RTOS

  C++, Linux, RTOS, ARM, x86

• 1mo

  Online Calibration & SLAM Engineer

  Richmond Hill, ON

  $200k–$230k/yrHybridFull Time

  

  Mecka

  5+ YOECandidates need 5+ years of hands-on SLAM, visual-inertial odometry, or Structure-from-Motion work, including production systems. They also need camera and IMU calibration experience, along with strong C++ or Python skills.

  Kalibr, GTSAM, Ceres Solver, OpenCV, COLMAP, PyTorch

• 1mo

  Senior Full Stack Engineer

  Canada

  

  StackAdapt: StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision.

  6+ YOECandidates need 6+ years building high-performance web applications with strong UX, test-driven development experience, and knowledge of React, TypeScript, GraphQL, Ruby on Rails or Go. Experience with relational databases, key-value stores and leading large modernization efforts is expected.

  React, TypeScript, GraphQL, Ruby on Rails, Go

  1mo

  Automation Engineer, Agentic Orchestration

  Canada

  

  StackAdapt: StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision.

  Candidates need hands-on experience with cloud AI services and LLM APIs, strong Python skills, and knowledge of NLP, vector databases and RAG systems. A bachelor's degree in computer science or IT, or equivalent practical experience, is required.

  Python, LangChain, LlamaIndex, OpenAI, Google Vertex AI, AWS Bedrock

• 1mo

  Senior Software Engineer, Product Platform

  Toronto, ON

  RemoteFull Time

  

  Vanta

  Candidates need backend or fullstack software engineering experience, ideally on platform or developer-facing systems. They should have built shared APIs or services used by multiple teams, understand distributed systems and message queues, and communicate well across functions.

  Kafka, SQS, TypeScript

• 1mo

  Machine Learning Engineer (AI/ML)

  Remote in Canada

  RemoteFull Time

  

  ClickHouse

  5+ YOECandidates need 5+ years of production software engineering experience and hands-on experience deploying AI/ML models, including inference APIs and vector databases. Applied ML skills in Python (PyTorch, Jupyter) and compute clusters such as Ray or Slurm are required, and ClickHouse experience is a plus.

  PyTorch, Jupyter, Ray, Slurm, ClickHouse, AWS

  1mo

  AI Product Engineer - ClickStack

  Canada

  Full Time

  

  ClickHouse

  5+ YOEClickHouse needs 5+ years of software engineering experience, including 1–2 years building LLM-powered agents in production. Candidates need strong TypeScript/Node.js or Python skills, SQL proficiency, experience with MCP and evals, and familiarity with Docker and Kubernetes.

  ClickHouse, Docker, Kubernetes, MCP servers, OpenTelemetry

  1mo

  Senior Software Engineer - Integrations - AI/ML

  Remote in Canada

  RemoteFull Time

  

  ClickHouse

  7+ YOECandidates need 7+ years of software development experience, including hands-on work as a Data Scientist or ML Engineer. They must have built production Python connectors or integrations, applied AI/ML in production data engineering, and have strong SQL and OLAP database knowledge.

  ClickHouse, Python, Pandas, NumPy, Pydantic, LangChain

• 1mo

  Staff Photonics Design & PDK Modeling Engineer

  Toronto, ON

  

  Lightmatter

  5+ YOELightmatter needs a Master's with 5+ years or a PhD with 3+ years in electrical engineering, photonics, physics or a related field. Candidates need photonic device physics, behavioral modeling for circuit simulators, and strong Python with NumPy and SciPy.

  Python, KLayout, GDSFactory, gdstk, Lumerical INTERCONNECT, Cadence Virtuoso

• 1mo

  Software Developer — iOS (Canada)

  Waterloo, ON

  $200k–$248k/yrHybrid

  

  TextNow, Inc.: The only free wireless phone service provider with unlimited talk & text, plus essential data—all in one convenient app.

  Candidates need deep production iOS experience with Swift, SwiftUI and modern concurrency, plus experience owning a consumer app at scale of 1M+ monthly users. They also need daily AI coding tool fluency, technical leadership across teams and mobile production reliability experience.

  Swift, SwiftUI, Objective-C

  1mo

  Software Developer - Android (Canada)

  Waterloo, ON

  $200k–$248k/yrHybrid

  

  TextNow, Inc.: The only free wireless phone service provider with unlimited talk & text, plus essential data—all in one convenient app.

  Candidates need deep production experience with Kotlin, Jetpack Compose, Coroutines and Flow, and ideally ownership of a consumer Android app at scale. They must use AI coding tools daily, lead technical work across teams, and run mobile reliability practices such as SLOs, telemetry and incident triage.

  Kotlin, Jetpack Compose, Java, CI/CD pipelines, AI coding tools

• 1mo

  Développeur(-euse) logiciel – Intégration / Backfill Integration Developer – Canada (Montreal)

  Montréal, QC +1

  

  mthree Recruiting Portal

  Baccalauréat en informatique ou TI, ou domaine STEM similaire; Moyenne de 2,75 ou plus; Autorisé à travailler au Canada

  Python, MySQL, Linux, Unix

• 1mo

  Senior Software Engineer

  Toronto, ON +2

  $130k–$150k/yrHybridFull Time

  

  AltaML

  5+ YOECandidates need 5-8 years of software experience, including leading feature or epic work. They must show concrete use of AI coding tools such as Claude Code to speed up delivery, plus strong system design, testing, mentorship, and client communication skills.

  Claude Code, AltaForge

• 1mo

  Staff Software Developer – AI Products

  British Columbia

  $147k–$167k/yrHybridFull Time

  

  Safe Software

  7+ YOECandidates need about 7 years of production backend experience and depth in a modern backend language, ideally with FastAPI. They should have hands-on work with LLM-based agentic applications and LLM evaluation, plus a proven ability to lead ambiguous technical projects.

  FastAPI, LangChain, FME, Docker, Kubernetes, pgvector

18 companies