686 api engineer jobs at 228 companies in Mountlake Terrace, WA
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Senior API Developer
Tacoma, Washington, United States
$100k-$160k/yrOnsiteFull Time
ValidaTek: Provides IT modernization and systems engineering for federal agencies.
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.
The Trade DeskNASDAQ: TTD: Global independent platform for programmatic digital advertising.
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.
Anduril Industries: Defense technology developing AI-powered autonomous military systems.
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.
OpenAI: AI research and deployment focused on beneficial AGI.
7+ YOE7+ years of professional engineering experience; experience building SDKs; design and implement SDKs for multiple languages; collaborate across teams.
Stripe: Financial infrastructure platform for online businesses and enterprises.
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.
JPMorgan ChaseNYSE: JPM: Global financial services and investment banking firm.
5+ YOE5+ years of software engineering experience with system design, development, testing, SDLC, cloud-native technologies, programming languages, agile practices, security, and operational stability.
TikTok Shop - Customer Solutions Engineer, Apps and API
Seattle, Washington, United States
$116k-$209k/yrOnsiteFull Time
TikTok: Short-form mobile video and social media platform.
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.
Senior Software Engineer - API Platform & Client Tooling
Bellevue or Livingston or New York City or San Francisco or Sunnyvale
$153k-$204k/yrOnsiteFull Time
CoreWeaveNasdaq: CRWV: Specialized cloud provider for large-scale AI and machine learning.
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.
Atlanta or Washington, D.C. or Chicago or Phoenix or Seattle or Boston or Detroit
$180k-$280k/yrFieldFull Time
Bilt Rewards: Fintech membership and payments platform helping renters and homeowners earn rewards on housing and neighborhood spending.
5+ YOERequires 5+ years in solutions engineering or related roles, API and SFTP integration expertise, implementation ownership, strong technical and commercial communication, willingness to travel up to 100%, and a bachelor's degree or equivalent experience.
T-MobileNASDAQ: TMUS: Provides wireless network services and mobile communication devices.
2+ YOEBachelor's degree required; 2–4+ years preferred. Requires DevOps, cloud, automation, monitoring, scripting, APIs, cybersecurity, and reliability engineering experience, plus U.S. work authorization.
C, C#, Java, Perl, Python, Go, Jenkins, CloudBees, Ansible, Chef, Puppet, Docker, Kubernetes, AppDynamics, Splunk, Microsoft Graph API, REST API, Microsoft Power Apps, Microsoft Power Automate, Microsoft Entra, SailPoint, ServiceNow, Azure, Microsoft Azure DevOps Pipelines, Linux, Shell
Yoodli: Yoodli is an AI communication-coaching platform helping teams and professionals practice high-stakes conversations through roleplays and feedback.
2+ YOE2+ years in solutions/sales engineering or similar, 1+ years selling into SMB/Mid Market, comfortable with APIs, SSO, Python/JS, strong communication and cross-team collaboration skills.
Gradial: AI-native marketing operations software helping enterprise marketers automate campaign execution across their existing systems.
5+ YOE5+ years engineering or technical implementation experience, TypeScript and API proficiency, experience with LLMs and enterprise integrations, strong communication and customer-facing skills, willingness to travel <10%.
San Francisco or Seattle or Los Angeles or New York City or United Kingdom or Ireland or Poland or Germany or Australia or North America or Europe
$200k-$260k/yrRemoteFull Time
Whatnot: Live shopping marketplace connecting buyers and sellers.
4+ YOE4+ years industry experience, 1+ years applied AI/LLM product experience; strong fluency with prompt engineering, RAG, MCP, agents, evals; systems-integration experience with APIs/webhooks; strong communication and mentorship skills.
Verdigris: Private technology providing AI-driven electrical intelligence and energy-management software for data-center operators.
7+ YOE7+ years in solutions engineering, systems integration, or forward-deployed/field engineering; strong electrical and data/APIs fluency; experience directing contractors, mentoring engineers, and applying AI agents to delivery workflows.
Madrid or Paris or Seattle or London or Berlin or San Francisco or New York City or Sydney or Mexico City
HybridFull Time
Aircall: Private B2B SaaS providing AI-powered cloud communications software for business sales and support teams.
10+ YOE10+ years backend engineering experience (Node.js/TypeScript, Python, or Ruby), strong system design, security and DevOps practices, AWS experience, ability to lead cross-team projects and mentor engineers.
principal engineer, AI Experiences, Enterprise Applications & Decision Platforms
Seattle, Washington, United States
$174k-$290k/yrHybridFull Time
StarbucksNASDAQ: SBUX: Global roaster and retailer of specialty coffee.
10+ YOE10+ years in software engineering, platform engineering, enterprise architecture, or related fields; enterprise platforms and distributed systems; cloud-native architecture, APIs, application frameworks, AI, analytics, governance, security, and technical leadership.
United States or San Francisco or Seattle or New York City or Carson City
$250k-$280k/yrHybridFull Time
Socure: The leading AI-native trust infrastructure providing identity verification and risk solutions for the world.
4+ YOE4+ years in hands-on software, forward deployed, solutions, implementation, applied AI engineering, technical consulting, or similar roles; experience with APIs, integrations, production systems, and customer-facing problem solving.
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
$26-$94/hrHybridFull Time
AccentureNYSE: ACN: Global professional services delivering 360° value.
3+ YOERequires 3+ years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, REST APIs, and a bachelor's degree or equivalent experience.
San Francisco or Seattle or Chicago or Austin or New York City or London
$132k-$185k/yrHybridFull Time
Writer: Enterprise generative AI platform that helps businesses build and supervise secure AI agents.
5+ YOE5+ years in technical SaaS roles with 3+ years in solutions architecture/technical consulting; deep Python and API experience; enterprise SaaS delivery and strong communication skills.