“Claude Messages API” jobs in Canada – Page 6

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• 1mo

  Staff Software Engineer — Identity & Access Management

  Remote in Canada

  RemoteFull Time

  

  Xsolla: Headquartered in Los Angeles, with offices worldwide, Xsolla operates as a merchant and seller of record for major gaming entities like Valve,…

  Xsolla needs deep knowledge of OAuth 2.0 and OIDC, production experience with identity or auth systems, and strong Go and distributed systems skills. Candidates should also have web security fundamentals, experience with Kubernetes and PostgreSQL, and a record of leading multi-quarter initiatives across teams.

  Kubernetes, PostgreSQL, Kafka, NATS, Git

• 1mo

  Staff Full Stack Engineer

  Toronto, ON

  

  Mattermost

  Candidates need senior full stack experience in Go and React, experience owning distributed high-availability systems, and strong REST and WebSocket API design skills. They also need PostgreSQL experience, daily use of AI coding agents, and comfort working in regulated, high-compliance environments.

  Go, React, TypeScript, PostgreSQL, Redis, Claude Code

  1mo

  Senior Full Stack Engineer

  Toronto, ON

  

  Mattermost

  Mattermost needs strong full-stack experience in Go and React or a similar stack, plus REST and WebSocket API skills and PostgreSQL experience. Candidates must use AI coding agents daily and ship complex software end-to-end with little supervision.

  Go, React, TypeScript, PostgreSQL, Redis, Claude Code

• 1mo

  Senior Full Stack Developer

  Remote in Canada

  $150k–$180k/yrRemote

  PB

  Practice Better

  8+ YOECandidates need 8+ years of full-stack SaaS experience, deep .NET and C# skills, and daily use of AI coding tools such as Claude Code or Cursor. They must be able to take features from concept to shipping alone and be legally authorized to work in Canada.

  .NET, C#, Angular, TypeScript, MongoDB, AWS

  1mo

  Senior Developer, Payments

  Remote in Canada

  Remote

  PB

  Practice Better

  8+ YOECandidates need 8+ years of full-stack SaaS development, with hands-on payments or billing experience and strong in-depth .NET/C# skills. Stripe experience, knowledge of PCI compliance and daily use of AI coding assistants are also required.

  Stripe, AWS, MongoDB, Slack, Claude Code

• 1mo

  Engineering Team Lead

  Canada

  

  Riva International, Inc.

  Candidates need proven experience leading a software engineering team, strong full-stack skills in C#, .NET, TypeScript and REST APIs, and cloud and CI/CD experience. Experience with AI-enabled customer-facing products and the ability to explain technical tradeoffs to non-technical audiences are also required.

  GitHub Actions, Docker, Terraform, AWS, MongoDB, Vue 3

• 1mo

  Senior Software Developer, API Platform

  Remote in Canada

  $130k–$170k/yrRemoteFull Time

  

  Miovision: Miovision provides cities with modern tools to fix today's traffic problems.

  7+ YOECandidates need 7+ years of backend or platform engineering experience, strong Kotlin, Java or Go skills, and hands-on work with AWS, Kubernetes and Docker. Experience building production API gateways, using OpenAPI and domain-driven design, and using AI coding tools is required.

  Kong, Envoy, AWS API Gateway, Spring Cloud Gateway, NGINX, Apigee

• 1mo

  Senior Software Engineer, Storage Infrastructure

  Remote in Canada

  Remote

  

  Planet: Planet is the leading provider of global, daily satellite imagery and insights.

  6+ YOECandidates need 6 to 8 years of software engineering experience, including production backend services in Go, Python, or similar languages. Planet also wants experience with relational and non-relational datastores, highly available cloud-native services, and strong remote communication skills.

  Elasticsearch, Kubernetes, Terraform, AWS, GCP, PostgreSQL

• 1mo

  Senior Software Engineer, Machine Learning

  Toronto, ON

  RemoteFull Time

  H

  hive.co

  8+ YOECandidates need 8+ years of data engineering experience running large-scale distributed data and ML systems in production. Strong ML foundations, Python ML tooling, MLOps practice, and experience applying LLMs or agentic systems are also required.

  Python, Django, ClickHouse, MySQL, MongoDB, ElasticSearch

7 companies