Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
678 api developer jobs at 226 companies in Mountlake Terrace, 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
4w
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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
1mo
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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
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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
1w
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Lead Software Engineer - API Platform
Plano or Seattle
$157k-$215k/yr OnsiteFull Time
5+ YOE5+ years of software engineering experience with system design, development, testing, SDLC, cloud-native technologies, programming languages, agile practices, security, and operational stability.
CI/CD, OAuth2/OIDC, mTLS, JWT
3mo
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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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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
3mo
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Software Engineer - Workspaces
Bellevue, Washington, United States
$160k-$230k/yr OnsiteFull Time
3+ YOE3+ years of hands-on software development; strong full-stack web development, API design, security, performance, and scalability; knowledge of AI is a plus.
Go, React, Java, APIs, Web technologies
3w
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Java/J2EE Developer
Seattle, Washington, United States
OnsiteFull Time
Bachelor's degree or equivalent experience; experience with Core Java, J2EE, Spring Boot, Spring MVC, REST APIs, Angular or React, software development life cycle, testing, integration, and production support.
Java, J2EE, Spring Boot, Spring MVC, REST API, Angular, React, Microservices, Oracle Database, Confluent Kafka, AI, cloud, SDLC
2d
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Mulesoft Developer
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States
$54k-$196k/yr OnsiteFull Time
3+ YOERequires 3+ years software development, 2+ years API development and Git/Agile/testing, 1+ year MuleSoft development, MuleSoft Developer Level 1, and a bachelor's degree or equivalent experience.
Anypoint Platform, Anypoint Studio, Mule Runtime, DataWeave, MUnit, Git, SOAP, REST, XML, JSON, YAML, Anypoint MQ, API Manager, Anypoint Exchange, CloudHub, Salesforce, SAP, Workday, Oracle Cloud Applications, ServiceNow, CI/CD, AWS, Azure, Flex Gateway, Model Context Protocol (MCP), GenAI, HL7, FHIR, Boomi, Informatica, SnapLogic, Workato
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
1w
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Siemens Opcenter Discrete Senior Developer
Seattle, Washington, United States
$160k-$180k/yr OnsiteFull Time
10+ YOEBachelor's degree in computer science, 10+ years of experience, Siemens Opcenter MOM and MES development, discrete manufacturing expertise, APIs, integration, OPC-UA, PLC/SCADA, Agile, and customer management skills.
Manufacturing Execution Systems (MES), Siemens Opcenter MOM, Siemens Opcenter EX FN, APS, MOM Connect, IPL, Mendix, APIs, middleware, messaging queues, OPC-UA, PLC/SCADA, Agile, PLM, ERP, SLA, KPI
3mo
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Software Engineer II
Seattle, Washington, United States
$135k-$189k/yr OnsiteFull Time
3+ YOE3+ years software development, strong Python and TypeScript, React, AWS, APIs, CI/CD, DevOps, and collaboration.
Python, TypeScript, React, AWS, APIs, CI/CD, DevOps, microservices, IaC
2d
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Mulesoft Developer
New York City or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$54k-$196k/yr OnsiteFull Time
3+ YOERequires 3+ years software development, 2+ years API development and Git/Agile/testing, 1+ year MuleSoft experience, MuleSoft Developer Level 1 certification, and a bachelor's degree or equivalent experience.
Anypoint Platform, Anypoint Studio, Mule Runtime, DataWeave, MUnit, Git, Java, XML, JSON, YAML, Anypoint MQ, API Manager, Anypoint Exchange, CloudHub, Salesforce, SAP, Workday, Oracle Cloud Applications, ServiceNow, AWS, Azure, Flex Gateway, Model Context Protocol (MCP), Boomi, Informatica, SnapLogic, Workato
1mo
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TikTok Shop - Customer Solutions Engineer, Apps and API
Seattle, Washington, United States
$116k-$209k/yr OnsiteFull Time
3+ YOEBachelor's in CS or related,3+ years in solution/solution engineering or pre-sales,proficiency with RESTful APIs,experience with e-commerce/ERP/OMS/PIM/WMS integrations,strong communication and business acumen.
RESTful API, ERP, OMS, PIM, WMS
3w
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Software Development Engineer II
Mountlake Terrace, Washington, United States
$92k-$157k/yr HybridFull Time
1+ YOEBachelor's in CS/IS,1+ year software development experience,experience with Appian and Microsoft Power Platforms,exposure to cloud,APIs,Agile and automated testing;strong communication and problem-solving skills.
Appian, Microsoft Power Platforms, Facets, API
3w
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Junior Full Stack Developer (Data CoE)
Frisco or Bellevue or Atlanta or Overland Park
$50-$55/hr OnsiteFull Time
0+ YOERequires 0–3 years of experience, 2024–2026 graduation, 3.5 GPA, full-stack development skills, data engineering fundamentals, and proficiency with frontend, backend, databases, APIs, cloud, and development tools.
React, Angular, Vue.js, HTML, CSS, JavaScript, TypeScript, Java, Python, Node.js, SQL, Postgres, MySQL, MongoDB, REST, AWS, Azure, GCP, Git, CI/CD, Docker, API Testing, Apache Iceberg, Apache Spark, Electronic Data Interchange (ETL), Artificial Intelligence (AI), Machine Learning (ML)
1d
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Senior Software Engineer, Platform/Backend
United States or Austin or San Francisco or New York City or Seattle or Bellevue or Los Angeles or Chicago or Gurugram or Delhi or Bengaluru
$170k-$230k/yr RemoteFull Time
6+ YOERequires 6+ years of software development experience, API product development using Python or Golang, strong analytical and problem-solving skills, and familiarity with RDBMS, Docker, AWS, and Agile methods.
Golang, Python, PostgreSQL, Amazon RDS, OpenSearch, Docker, AWS, AWS Lambda, Amazon Cognito, RDBMS, API
2mo
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Software Engineer, X-Scientist
South San Francisco or Seattle or London
$140k-$215k/yr OnsiteFull Time
Strong Python engineering; experience building production libraries/CLIs/APIs/SDKs/backend services or workflow systems; familiarity with LLM application development, tool calling, and orchestration; strong communication and collaboration skills.
Python, LLM, API, CLI, SDK, PubMed, UniProt, AlphaFold, PDB, DepMap
2d
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Web Developer
Seattle, Washington, United States
$95k-$100k/yr HybridFull Time
2+ YOEBachelor’s degree in computer science or related field and two years of relevant experience. Preferred skills include HTML, CSS, JavaScript, Drupal, Git, PHP, APIs, web security, accessibility, and project management.
HTML, CSS, JavaScript, Drupal, Content Management System (CMS), Git, APIs, PHP, Sass, LESS, Composer, WCAG, Universal Design
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