141 sr api developer jobs at 86 companies in Sumas, WA
3mo
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Lead Engineer (API)
Vancouver, British Columbia, Canada
$174k-$217k/yr OnsiteFull Time
Backend/platform engineering in multi-tenant SaaS; design of external APIs/SDKs; proficient in C#, Go, or Java; mentorship and collaboration; interest in AI and LLM orchestration.
C#, Go, Java
1mo
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.NET Cloud Native API Developer
Vancouver or British Columbia or Nova Scotia or Ontario or New Brunswick or Newfoundland and Labrador or Prince Edward Island
$75k-$125k/yr OnsiteFull Time
5+ YOEBachelor's degree in CS or Software Engineering, 5+ years .NET development, .NET Core/C#/ASP.NET MVC/Web APIs, IAM (OAuth/OpenID Connect/SAML), containerization (Docker/Kubernetes), cloud (Azure) experience.
.NET Core, C#, ASP.NET MVC, Web APIs, Docker, Kubernetes, MS Azure, OAuth, OpenID Connect, SAML
3mo
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Sr .NET Back End Developer
Vancouver or Montreal
HybridFull Time
5+ YOESenior backend developer with 5+ years .NET/.NET Core, EF, SQL Server, REST APIs, message queues (RabbitMQ); strong architecture and SOLID; unit testing.
.NET, NET Core, Entity Framework, RabbitMQ, SQL Server, Redis, NCache, Git, xUnit, NUnit, Moq, Docker, Azure, Elasticsearch, CI/CD
3d
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Sr. Software Engineer (Hardware)
Vancouver, British Columbia, Canada
$176k-$218k/yr HybridFull Time
Professional software engineering experience with Python, front-end and back-end technologies, databases, unit testing, TCP/UDP networking protocols, RESTful APIs, and Git.
Python, TCP, UDP, RESTful APIs, Git
1mo
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Sr. Software Development Engineer, Alexa Connections
Vancouver, British Columbia, Canada
$151k-$252k/yr OnsiteFull Time
5+ YOE5+ years professional software development, experience leading system design/architecture, mentoring/tech lead experience, full SDLC knowledge; bachelor’s degree preferred.
LLM, Alexa+, APIs, Agile, Scrum
2mo
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AI Developer
Langley Township, British Columbia, Canada
OnsiteFull Time
7+ YOE7+ years of professional software development; strong Python and web framework experience; AI features with LLM APIs; proficient in AI tools; strong API and database knowledge; excellent communication; bias toward shipping.
Python, React, Next.js, OpenAI, Anthropic, Claude Code, Cursor, Copilot, REST API, GraphQL, SQL
2mo
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Software Developer Engineer in Test, StorageGRID
Vancouver, British Columbia, Canada
$150k-$195k/yr HybridFull Time
8+ YOE8+ years in software development or test automation; proficiency in Ruby, Linux, Cassandra/DBs, REST API and cloud APIs (AWS S3); experience with Agile, TDD, CI; degree in computer science or equivalent experience.
StorageGRID, Ruby, Linux, Cassandra, REST API, AWS S3
1mo
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Software Engineer
Vancouver, British Columbia, Canada
OnsiteFull Time
5+ YOE5+ years developing and integrating software with hardware; strong C/C++ and Python skills; GUI and 2D/3D rendering experience; cloud and API integration; familiarity with secure development and cybersecurity.
C, C++, Python, Electronic Medical Record (EMR), APIs
2mo
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Sr. Platform Engineer - Online Accounting Opening
Vancouver or Toronto
$101k-$125k/yr HybridFull Time
5+ YOEBachelor’s in CS/Engineering/IT. 5+ years platform/web engineering. Proficient in React/Next.js, Headless CMS, cloud hosting (Vercel/CDN), API design, REST, and vendor DXPs. Knowledge of WCAG, security, and Agile.
React, Next.js, Headless CMS, Sitecore, CDN, CI/CD, REST, APIs, DXPs
1mo
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EAI Developer
Canada or Guelph or Vancouver or Okotoks or Winnipeg or Moncton or Saint-Hyacinthe
RemoteFull Time
8+ YOEBachelor's in a technical field, 8+ years software development/system integration experience, strong Microsoft Azure and BizTalk 2016 skills, API/web services experience, AZ-204 preferred, fluent English, able to support North American time zones.
Microsoft Azure, BizTalk 2016, Azure Integration Services, web services, APIs
2mo
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Software Developer Engineer in Test, StorageGRID (Vancouver, British Columbia, CA, V5Y 3C9)
Vancouver, British Columbia, Canada
$150k-$195k/yr HybridFull Time
8+ YOE8+ years in software development or testing with automation; Ruby or scripting; Linux, Cassandra, REST API; Agile/TDD; CS degree or equivalent.
Ruby, Linux, Cassandra, REST API, AWS S3, CI/CD, Agile, TDD
2mo
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Senior Windows Developer (FortiClient)
Burnaby, British Columbia, Canada
$120k-$160k/yr OnsiteFull Time
Senior Windows software developer with expertise in Windows API, C/C++, network programming, kernel-level development, OS concepts, and debugging/optimization.
Visual Studio, WinDbg, Performance profiling tools
2mo
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Staff Software Engineer (Hybrid)
Burnaby, British Columbia, Canada
$128k-$156k/yr HybridFull Time
10+ YOELead design and implementation of internal software for manufacturing, regulatory, and quality systems; 10+ years in software development; .NET/C# or Java; web apps; API integrations; strong leadership and mentoring.
.NET, C#, Java, ERP, PLM, D365 F&O, APIs, Databases, Web development
2d
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Developer - Intermediate
North Vancouver, British Columbia, Canada
$86k-$93k/yr HybridFull Time
5+ YOERequires 5+ years of relevant hands-on experience or post-secondary computer science education with related business experience; advanced development, cloud, testing, architecture, Agile, and production support skills.
Java, C#, C++, SQL, Oracle, XML, SVN, GitLab, Bitbucket, Jira, HPSM, ServiceNow, Jenkins, Splunk, REST API, MQ, LDAP, AD, Guidewire PolicyCenter, Guidewire Insurance Suite, OutSystems
2mo
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Senior Integration Developer/Integration Developer, Digital Technology
Seattle or Vancouver
$100k-$300k/yr OnsiteFull Time
Design and deliver secure, scalable APIs and Node.js applications; expertise in cloud solutions (Google Cloud Platform preferred), event-driven/pubsub integrations, SQL and CDP/marketing technologies; mentoring and automation experience.
Node.js, Google Cloud Platform (GCP), Pub/Sub, Event-Driven Architecture, APIs, SQL, Customer Data Platforms (CDP), AI
1mo
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Staff Search Engineer (Canada)
Ontario or British Columbia or Vancouver or Los Angeles or Austin or New York City or San Francisco or London or Manila or Warsaw
$132k-$165k/yr HybridFull Time
7+ YOE7+ years software development experience, 3+ years Elasticsearch experience, strong CS fundamentals, Golang/Go experience, AWS familiarity, REST API and Git experience, proficiency with Python/Java/PHP/JavaScript, CI/CD and scalable systems design.
Go, TypeScript, Elasticsearch, AWS, AWS CloudWatch, AWS SQS, AWS Lambda, Java, MSSQL, AWS Redshift, Python, PHP, JavaScript, Node.js, Git, REST API, CI/CD, Kubernetes, Laravel, Symfony, GCP, Azure, Agile
2mo
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Senior Software Developer
Vancouver or Toronto or Calgary or Waterloo or Halifax
$110k-$145k/yr RemoteFull Time
Senior software developer with distributed systems experience; proficient in Python and Angular; AWS and CI/CD; API integrations; observability; Agile teamwork.
Python, JavaScript, TypeScript, Angular, AWS, ArgoCD, SNS, SQS, Lambda, GitHub Actions, Docker, Kubernetes, EKS, Helm, Terraform, OpenSearch, ElastiCache, RDS, Keyspaces, RabbitMQ, Playwright, Postman, Jenkins, Burp Suite, ELK, Prometheus, CloudWatch, Sentry, Mixpanel, Jaeger
1mo
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Senior Software Engineer - SDK
San Francisco or New York City or Vancouver or Amsterdam or London or Paris or Singapore or Tokyo
$165k-$276k/yr OnsiteFull Time
Experience building SDKs/APIs or developer platforms, polyglot programming experience, AI-augmented development or tooling, open-source maintainership, Bachelor's in CS or related.
TypeScript, JavaScript, Python, Go, Java, Swift, Rust
2d
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Senior Front-End Developer
Edmonton or Vancouver or Kitchener-Waterloo or Toronto
$121k-$164k/yr HybridFull Time
5+ YOEExpert front-end development with HTML, CSS, JavaScript/TypeScript, Next.js, React, accessibility, and performance; experience with APIs, headless CMS platforms, AI-assisted development, experimentation, and technical mentoring.
Next.js, Sanity, React, TypeScript, HTML, CSS, JavaScript, Claude, MCP, Optimizely, Kameleoon, Adobe Target, Amplitude, GA360, Figma
1w
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Senior Software Developer C++
Vancouver, British Columbia, Canada
$90k-$100k/yr OnsiteFull Time
5+ YOE5+ years modern C++ experience, Linux system-level programming, C#, multithreading, IPC, Git workflows, familiarity with REST APIs, strong communication and Scrum/SAFe experience.
C++, C#, Linux, bash, Git, Gerrit, GitHub, curl, openssl, REST API, JIRA, Java, Go, Python, PowerShell