631 api engineer jobs at 225 companies in Lynnwood, WA
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Sr Software Engineer - Backend API Platform
Seattle, Washington, United States
$125k-$229k/yrOnsiteFull Time
The Trade DeskNASDAQ: TTD: Cloud-based programmatic advertising platform for data-driven media buying.
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 building autonomous military hardware and software.
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: Develops artificial intelligence models and generative AI software services.
7+ YOE7+ years of professional engineering experience; experience building SDKs; design and implement SDKs for multiple languages; collaborate across teams.
Stripe: Provides online payment processing and financial infrastructure for businesses.
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.
TikTok Shop - Customer Solutions Engineer, Apps and API
Seattle, Washington, United States
$116k-$209k/yrOnsiteFull Time
TikTok: Global short-form video hosting 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: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
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.
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: AI-powered platform for communication coaching and roleplay simulations.
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.
LiveKit: Infrastructure for real-time voice and video AI applications.
5+ YOE5+ years backend or infrastructure engineering; proficiency in Go, Python, Node, Rust, or C++; experience with APIs/SDKs, distributed systems, cloud infrastructure, debugging production systems, and strong customer-facing communication.
Gradial: Automates enterprise marketing operations and content supply chains.
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: Social marketplace for buying and selling via live streams
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: AI-powered electrical intelligence and energy management for buildings.
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: Cloud-based business phone system and customer communication platform.
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.
San Francisco or Seattle or Chicago or Austin or New York City or London
$132k-$185k/yrHybridFull Time
Writer: Platform for building and deploying enterprise generative 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.
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 firm providing consulting and technology solutions.
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.
Tempe or San Francisco or Seattle or Portland or Denver or Holladay or Austin or United States or Canada
$70k-$96k/yrRemoteFull Time
JacobsNYSE: J: Global provider of professional engineering and technical services.
2+ YOEBachelor's in Mechanical Engineering, ≥2 years engineering experience, knowledge of pipe stress analysis and support design, familiarity with ASME/ANSI/API, strong communication and analytical skills.
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
3+ YOEBachelor's degree in computer science, engineering, or related discipline; 3+ years in systems engineering, infrastructure automation, PowerShell, and programming; experience with operating systems, source control, and infrastructure tools.
Nordstrom: Operates luxury department stores and off-price retail outlets.
8+ YOEBachelor's or master's in engineering or equivalent,8+ years experience in data and integration engineering,expertise with Airflow,Python,Spark,BigQuery,SQL,APIs,CI/CD,Docker,cloud platforms,and AI-assisted development.
Department of the Navy: Protects the United States through naval and marine operations.
1+ YOEBachelor's degree in engineering (ABET or equivalent) and 1+ year specialized engineering experience (GS-11 equivalent) managing design/execution of complex facility projects and applying UFC, OSHA, NFPA, and API standards.