379 sr api developer jobs at 156 companies in Edmonds, WA
1mo
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Senior API Developer
Tacoma, Washington, United States
$100k-$160k/yr OnsiteFull Time
7+ YOE7+ years API development experience, strong API design and security knowledge, proficiency with Java/Python/JavaScript and frameworks, CI/CD and testing experience, DoD clearance preferred.
Java, Python, JavaScript, Spring, Flask, Node.js, OAuth 2.0, JWT
1w
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Sr Software Engineer - Backend API Platform
Seattle, Washington, United States
$125k-$229k/yr OnsiteFull Time
6+ YOE6+ years backend/platform engineering experience building scalable user-facing APIs; expertise in identity and access models, API design, operational excellence, and mentoring engineers.
Node.js, TypeScript, Kubernetes, AWS, OIDC, Keycloak, SPIFFE, mTLS
4w
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Staff Software Engineer, API Platform
San Francisco or Seattle
OnsiteFull Time
12+ YOE5+ Mgmt12+ years technical experience,5+ years strategic technical leadership,experience with API design and infrastructure,proficient in Java/Ruby/Python/Go,strong communication and problem-solving skills.
Java, Ruby, Python, Go, Kafka, Kubernetes
1w
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Staff Software Engineer, API Platform
Seattle or South San Francisco
$224k-$336k/yr OnsiteFull Time
12+ YOE5+ Mgmt12+ years technical experience,5+ years technical leadership,experience with API design and infrastructure,proficiency in at least one of Java,Ruby,Python,Go,strong communication and problem-solving skills.
Java, Ruby, Python, Go, Kafka, Kubernetes
1mo
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Senior Software Engineer, API/SDK
Seattle, Washington, United States
$191k-$253k/yr OnsiteFull Time
8+ YOE8+ years software engineering with customer-facing responsibilities; strong in API design, distributed systems, cloud and container platforms, CI/CD, multiple languages (Python, Java, Go, C++); must be a U.S. Person.
Python, Java, Go, C++, CI/CD, Docker, Kubernetes, AWS, Azure, GCP, REST, gRPC, GraphQL, WebSockets, message queues
2mo
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Sr. Software Dev Engineer, Antenna System Validation, Amazon Leo
Redmond, Washington, United States
$168k-$227k/yr OnsiteFull Time
5+ YOE5+ years software development, leadership experience, mentorship; strong backend language proficiency and system design.
Python, Rust, C++, Java, Go, Cloud (AWS), CI/CD, Data processing, API design, DevOps
2mo
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Software Engineer, API SDK
San Francisco or Seattle or New York City
$293k-$385k/yr HybridFull Time
7+ YOE7+ years of professional engineering experience; experience building SDKs; design and implement SDKs for multiple languages; collaborate across teams.
Python, Node.js, Golang, Java, Ruby, SDK generation
4w
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Senior Software Engineer - API Platform & Client Tooling
Bellevue or Livingston or New York City or San Francisco or Sunnyvale
$153k-$204k/yr OnsiteFull Time
Production Go experience, API design and versioning, client tooling/SDK/CLI or provider work, code-generation or compiler/tooling experience preferred, cross-team collaboration and mentorship.
Go, gRPC, protocol buffers, Buf, ConnectRPC, Terraform Plugin Framework, Cobra, CWIC
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Sr Software Engineer II
Seattle or New York City
$176k-$196k/yr OnsiteFull Time
5+ YOEBS in CS or equivalent, 5+ years software development, proficiency in Go and Python, experience with telemetry, observability, data pipelines, cloud (AWS/GCP/Azure), and embedding AI/LLM APIs into workflows.
Go, Python, LLM APIs, AWS, GCP, Azure, CI/CD
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Sr Aderant Engineer
Reston or San Diego or San Francisco or Washington or Wilmington or Phoenix or Los Angeles or Houston or Boston or Austin or Atlanta or Raleigh or Baltimore or New York or Dallas or Palo Alto or Short Hills or Minneapolis or Chicago or Seattle or Philadelphia or Miami
$113k-$179k/yr HybridFull Time
5+ YOE5+ years supporting Aderant Expert and enterprise financial/practice management systems, strong backend development and SQL skills, experience with integrations/APIs, bachelor's in CS/IT, analytical and troubleshooting ability.
Aderant Expert, SQL, APIs
2d
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Sr Engineer, Software
Overland Park or Bellevue or Atlanta
$114k-$205k/yr OnsiteFull Time
4+ YOEBachelor's degree in computer science or engineering, 4–7 years of technical engineering experience, Java Spring Boot, RESTful APIs, Agile/Scrum, DevOps, CI/CD, and AI/ML experience; U.S. work authorization required.
Java, Spring Boot, RESTful APIs, Agile, Scrum, DevOps, CI/CD, Splunk, AppD, Grafana, RabbitMQ, Kafka, Docker, Kubernetes, AI/ML, machine learning, automation frameworks
4w
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Sr Software Engineer, Platform
Seattle, Washington, United States
OnsiteFull Time
5+ YOE5+ years building and operating production distributed systems; BS in CS preferred; strong Go or Python experience; REST/gRPC APIs; cloud-native tooling and scalability focus.
Go, Python, REST, gRPC, CI/CD, Kafka, MQTT, Kubernetes, Docker, MongoDB, MP4, HLS, ffmpeg
1mo
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Sr. Backend Engineer - Activations
San Francisco or New York City or Seattle or Little Rock
$130k-$197k/yr HybridFull Time
5+ YOE5+ years writing production code; strong Java/Scala/Golang skills; 3+ years with Big Data ecosystems (Spark, Hadoop/MR, Kafka); distributed systems and RESTful API experience; Spring Boot; cloud experience (GCP/AWS/Azure).
Java, Scala, Golang, Spark, Hadoop/MR, Kafka, RESTful APIs, OAuth, GCP, AWS, Azure, Spring Boot, Singlestore
1mo
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Sr. FullStack Software Engineer
Bellevue, Washington, United States
$120-$200/yr HybridFull Time
5+ YOE5+ years full‑stack experience with Python/Django and React; experience building scalable SaaS, comfort with cloud (AWS/GCP/Azure), CI/CD, RESTful APIs, WebSockets, and AI/ML integrations.
Python, Django, React, Cursor, Windsurf, AWS, GCP, Azure, CI/CD, RESTful APIs, WebSockets
2w
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Sr. Software Developer in Test
Kirkland, Washington, United States
$137k-$205k/yr OnsiteFull Time
5+ YOE5+ years in test automation/SDET roles; strong Python, Selenium, API testing (requests, pytest, Postman); Jenkins, Docker, Linux, Git; experience with hardware-software products and CI/CD integration.
Python, Selenium, requests, pytest, Postman, Jenkins, Docker, Linux, Git
5d
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Sr. Application Engineer (DevOps, AI)
Seattle, Washington, United States
$99k-$140k/yr HybridFull Time
5+ YOE5+ years with .NET/C#/SQL and Python, strong DevOps experience with Azure Pipelines or GitHub Actions, API and IAM (MFA/RBAC) skills, experience with Azure AI and intelligent agents, Bachelor's preferred.
.NET, C#, SQL, Python, Azure DevOps, Azure Pipelines, GitHub Actions, Git, Azure AI Services, Microsoft Copilot, ANSI SQL, T-SQL, CLI
1mo
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Sr. Software Development Engineer - Video Rendering
Seattle or San Francisco or San Jose
$174k-$331k/yr OnsiteFull Time
10+ YOE10+ years software engineering with deep GPU/graphics or rendering systems experience, strong modern C++, and knowledge of GPU APIs, shading languages, and performance debugging.
C++, DirectX 12, Metal, Vulkan, CUDA, OpenCL, HLSL, Slang, SPIR-V, DXIL, DXC, Nsight, PIX, TensorRT, ONNX Runtime
1mo
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Sr. Applied ML Engineer, Apple Services Localization Engineering
Seattle, Washington, United States
OnsiteFull Time
Expertise in machine learning and machine translation, building secure end-to-end solutions, developing custom server-side software and APIs, and applying privacy-preserving engineering practices.
Machine Learning, Machine Translation
1mo
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Sr. Full Stack Engineer (Remote)
Seattle or Redmond or United States
$140k-$215k/yr RemoteFull Time
8+ YOE8+ years full-stack experience with Python and JavaScript/TypeScript, frontend React, production LLM/AI API and agent experience, systems design, integrations (REST, webhooks, OAuth), CI/CD and cloud (AWS preferred).
Python, JavaScript, TypeScript, React, LLM/AI APIs, Claude, GPT, LangChain, CrewAI, Claude Code agents, Workfront, Marketo, Asana, HubSpot, Google Docs, Slack, MCP servers, REST APIs, webhooks, OAuth, CI/CD, AWS, HTML, PPTX, PDF, SVG, vector databases
4w
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Sr. Staff Software Engineer- Eng
Seattle, Washington, United States
$146k-$241k/yr HybridFull Time
8+ YOE8+ years enterprise software experience building scalable platform services; distributed systems, APIs, Kafka/RabbitMQ, Docker/Kubernetes, cloud (GCP preferred), Git and CI/CD; bachelor's in CS or equivalent experience; strong design and leadership skills.
Kafka, RabbitMQ, Docker, Kubernetes, GCP, Git, CI/CD, AI/ML, BDD, TDD