291 sr api developer jobs at 130 companies in Olympia, 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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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
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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
3w
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Sr. Software Development Engineer, Partner Experience, Prime Video
Seattle, Washington, United States
$168k-$227k/yr OnsiteFull Time
5+ YOE5+ years professional software development with design/architecture experience, mentoring experience, REST API and Postgres familiarity, AI/ML knowledge, strong communication and systems design skills.
REST API, Postgres, AI/ML, Generative AI
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
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
1mo
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Sr. Technical Support Engineer
Seattle or United States
$99k-$150k/yr RemoteFull Time
5+ YOE5+ years B2B SaaS support experience, Bachelor’s degree, deep Salesforce CRM knowledge, familiarity with Marketo/Pardot/HubSpot/Eloqua, JavaScript and API troubleshooting, strong communication and problem-solving skills.
Salesforce CRM, Marketo, Pardot, HubSpot, Eloqua, JavaScript, API
2mo
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Sr. SaaS Engineer
San Francisco or Seattle
$127k-$207k/yr HybridFull Time
8+ YOE8+ years experience (or 5+ with MS) architecting, deploying, administering and integrating enterprise SaaS collaboration and productivity platforms; strong identity, security, scripting, API and stakeholder collaboration skills.
Google Workspace, Okta, Microsoft Office 365, Slack, Lucidchart, Box, SendGrid, Python, Powershell, REST APIs, Google Apps Script, AppSheet, AWS, Azure, GCP
1mo
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Sr. Software Development Engineer, Full Stack
Seattle, Washington, United States
$175k-$215k/yr OnsiteFull Time
5+ YOEBachelors in CS or similar, 5+ years software engineering with backend focus, 5+ years Java, 4+ years Spring, experience with Kafka, PostgreSQL, Elasticsearch, Docker/Kubernetes, AWS/GCP, REST APIs, testing, distributed systems; US work authorization required.
Java, Spring Boot, Spring Framework, Kafka, PostgreSQL, Elasticsearch, Docker, Kubernetes, AWS, GCP, RESTful API, AI, LLM
1mo
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application developer senior- Seattle, WA
Seattle or Nashville
$108k-$207k/yr HybridFull Time
4+ YOE2+ Mgmt4–10 years software development experience, technical leadership, API and integration experience, COTS customization, mentoring skills, bachelor's degree preferred.
APIs, COTS
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