58 sr api developer jobs at 36 companies in Lake Oswego, OR
1w
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Sr. Backend Engineer
Beaverton, Oregon, United States
OnsiteFull Time
8+ YOE8+ years backend engineering experience with C#, .NET, APIs, databases, CI/CD, and cloud (AWS/Azure); strong testing, design, and communication skills.
C#, ASP/ASP.Net, .NET Core, RESTful API, JSON, jQuery, Python, Microsoft SQL Server, No-SQL databases, React, Drupal/PHP, CMS, Azure Service Bus, Azure Event Grid, Azure Functions, Data Lake, AWS, Azure, Azure DevOps Pipeline, Terraform, TeamCity, Jenkins, Concourse, Hudson, Bamboo
4w
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Sr. Integration Engineer
Lake Oswego or Texas
HybridFull Time
5+ YOE5+ years designing and implementing enterprise integrations with MuleSoft, Salesforce, Azure Service Bus and Azure DevOps; strong API, messaging, troubleshooting and communication skills.
MuleSoft Anypoint Platform, Salesforce, Azure Service Bus, Azure DevOps, REST, SOAP, JSON, XML, Git, Docker, Kubernetes
2mo
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Fullstack Engineer
Beaverton, Oregon, United States
RemoteFull Time
5+ YOE5+ years fullstack development with Go and TypeScript/JavaScript; strong API (REST/gRPC) and UI (React); data transformation; observability; customer interaction.
Go, JavaScript/TypeScript, React, REST, gRPC, APIs, Monitoring/Observability
1mo
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Full Stack Software Engineer (Mid-Sr.)
Portland, Oregon, United States
HybridFull Time
3+ YOE3+ years professional experience building full-stack features with Python and TypeScript/React, strong relational DB and REST API skills, CI/CD experience, and comfort using AI development tooling.
Python, TypeScript, React, CI/CD, AI tooling
1mo
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Senior Cloud Engineer
Vancouver, Washington, United States
$131k-$205k/yr OnsiteFull Time
7+ YOESenior-level software/cloud engineering with 7+ years experience; strong software architecture, cloud, and AI-assisted development skills; knowledge of Java, Kubernetes, Docker, AWS, microservices, APIs, GitHub Copilot; ability to lead, coach, and drive Agentic AI transformation.
GitHub Copilot, Java, Kubernetes, Microservices, Application Programming Interface (API), Amazon Web Services, Docker
3w
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Senior Software Developer
Canby, Oregon, United States
OnsiteFull Time
5+ YOEBachelor's degree or equivalent,5+ years software development experience,proficiency in C# .NET,JavaScript/TypeScript/Node.js/Next.js or Python,REST APIs,SQL,cloud familiarity (Azure/AWS),and Agile experience.
C#, .NET, JavaScript, TypeScript, Node.js, Next.js, Python, SQL, Azure, AWS, CI/CD
2mo
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Senior Software Engineer
Denver or Salem
$130k-$150k/yr OnsiteFull Time
5+ YOE5+ years in software development; Bachelor’s or Master’s in CS/Engineering; strong API, security, and data tooling experience.
Git, OpenAPI, OAuth, RabbitMQ, Apache Kafka, Azure Service Bus, Event Hubs, Azure Databricks, TypeScript, C#, F#, PostgreSQL
3d
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Knowledge Engineer Manager - Back-end Engineer
Seattle or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City 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 Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
5+ YOEMinimum 5 years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, and REST API development; bachelor's degree or equivalent experience required.
RDF, OWL, SKOS, RDFS, SPARQL, R2RML, CSVW, SHACL, GraphDB, Stardog, Neo4j, Amazon Neptune, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Elasticsearch, OpenSearch, Python, Java, SQL, JSON, XML, CSV, REST APIs, Apache NiFi, Airflow, Docker, Kubernetes, Helm, AWS Neptune, Azure Cosmos DB, GCP, Kafka, RabbitMQ, Git, GraphQL APIs, D3.js, Cytoscape.js, Terraform
2mo
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Full Stack TypeScript Developer
Rijswijk or Portland
€6k-€8k/mo HybridFull Time, Contract
6+ YOEMSc or equivalent experience, 6+ years web development, strong TypeScript/JavaScript/HTML/CSS skills, React and Node.js experience, PostgreSQL, REST/GraphQL APIs, Linux/Git/Docker, secure production-grade development, English proficiency, EU work authorization.
TypeScript, JavaScript, HTML, CSS, React, Node.js, PostgreSQL, GraphQL, RESTful, Linux, Git, Docker, NestJS, AWS, Terraform, OAuth, AI
1mo
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Software Developer III – Senior, DOE
Portland or Salt Lake City or Renton or Medford or Lewiston or Boise or Spokane or Burlington or Fargo or Vancouver
$90k-$214k/yr HybridFull Time
5+ YOEBachelor's degree in a related field and 5+ years relevant experience (higher levels require 8–10+ years). Experience in multi-platform application and/or database development, TDD/BDD, CI/CD, containerization, RESTful/GraphQL APIs, security best practices, and strong communication skills.
Microsoft Teams, Slack, Test Driven Development (TDD), Behavior Driven Development (BDD), CI/CD, GraphQL, RESTful, OWASP
4d
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MTS-1, Android Engineer
Portland, Oregon, United States
$119k-$206k/yr HybridFull Time
7+ YOE7+ years software development,5+ years Android with Kotlin,Jetpack Compose,experience with MVVM/MVI,Coroutines/Flow,dependency injection (Hilt/Dagger),REST APIs,TDD and Agile practices;strong communication and remote collaboration.
Kotlin, Jetpack Compose, MVVM, MVI, Coroutines, Flow, Hilt, Dagger, RESTful APIs, Scrum, TDD, Google Play Store
1mo
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Senior Cloud Engineer
Vancouver, Washington, United States
$131k-$205k/yr OnsiteFull Time
7+ YOE7+ years experience in software design and development; strong skills in cloud, Java, Kubernetes, microservices, Docker, AWS, GitHub Copilot, Agentic AI, and Agile; degree or commensurate experience.
GitHub Copilot, Java (Programming Language), Kubernetes, Microservices, Application Programming Interface (API), Amazon Web Services, Docker (Software)
4w
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Strategic Partnerships Manager - AI/API
San Francisco or New York City or Portland or United States
$163k-$226k/yr HybridFull Time
Technical partnerships leader with API fluency, hunter mentality, ability to source and close developer/AI ecosystem deals, integration scoping, and GTM strategy ownership.
1mo
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Senior Software Engineer (Node.js/React)
Portland, Oregon, United States
$135k-$175k/yr OnsiteFull Time
5+ YOE5+ years engineering experience with 3+ years Node.js and React (TypeScript); strong relational data modeling, API design, cloud-native application experience, and pragmatic shipping mindset.
TypeScript, JavaScript, Node.js, React, PostgreSQL, GCP, AWS, Azure, CI/CD, Infrastructure as Code
1d
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Senior Data Integration Engineer
Portland, Oregon, United States
OnsiteFull Time
6+ YOERequires 6+ years in DevOps, data integration, or related roles; hands-on ETL and batch/API integration experience; Pentaho, Python, Linux, Java, MySQL/MariaDB SQL, and Apache Hop skills.
FTP, ETL, Pentaho Jobs, Pentaho Transforms, Python, Linux, Java, Spring Boot, MySQL, MariaDB, SQL, Apache Hop
3w
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Senior Applied AI Engineer
Santa Clara or Austin or Hillsboro or Durham or Seattle
$152k-$288k/yr OnsiteFull Time
5+ YOEMS or equivalent and 5+ years software engineering experience building production AI/LLM applications; strong Python, system design, CI/CD, API, and productionization skills; experience with LLM-powered agents.
Python, Claude Code, OpenAI Codex, Cursor, GitHub Copilot, MCP, Skills, LLMs
1mo
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Senior Full Stack Engineer - Team Lead
Seattle or Chicago or Boston or Austin or Tampa or Philadelphia or Salt Lake City or Providence or Portland or Atlanta or Raleigh or Nashville or Columbus or Phoenix
RemoteFull Time
8+ YOE8+ years software engineering experience with React, TypeScript, Node.js, API design (GraphQL/REST), SQL/PostgreSQL, data pipelines, CI/CD, cloud (AWS) and team leadership.
React, TypeScript, GraphQL, REST, Node.js, SQL, PostgreSQL, Nx, Turborepo, Yarn Workspaces, Python, AWS, Jira, Confluence, Claude Code, React Native, Capacitor
3d
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Lead Software Engineer in Test
Los Angeles or Nashville or New York City or Portland or United States
$160k-$180k/yr RemoteFull Time
10+ YOE10+ years in test automation, architecting testing practices, strong coding ability, experience with Playwright/Cypress/Selenium, API/contract testing, performance testing, CI/CD and AI-assisted testing.
Playwright, Cypress, Selenium, FUGA, Zendesk, Trolley, ArgoCD, Kubernetes, .NET, Next.js, k6, JMeter, Gatling, Locust
2mo
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Lead Identity Engineer
Tualatin, Oregon, United States
OnsiteFull Time
7+ YOEDeep Saviynt Identity Cloud and SAP provisioning/GRC integration expertise, 7+ years in IAM, strong development skills (APIs, PowerShell, Python, SQL), SAP security knowledge, and experience designing identity lifecycle and governance solutions.
Saviynt Identity Cloud, Saviynt GRC, SAP ECC, SAP S/4HANA, SAP BW, SAP SuccessFactors, SAP GRC, ServiceNow, AD, Microsoft Entra ID, Microsoft Azure AD, LDAP, REST APIs, PowerShell, Python, SQL, Okta, Ping
1mo
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Senior AI App Developer
Clackamas, Oregon, United States
OnsiteFull Time
5+ YOE5+ years software development experience; proficiency in Python and JavaScript; experience building AI/data-driven apps with Databricks Apps and Python/Node.js frameworks; cloud (AWS/Azure/GCP), API integration, CI/CD, SQL, and model productionization experience.
Databricks Apps, PCC data platform, Python, JavaScript, Node.js, Streamlit, Dash, Gradio, Shiny, Flask, React, Angular, AWS, Azure, GCP, AWS Bedrock, Amazon SageMaker, Azure Cognitive Services, Foundry, Databricks SQL, Snowflake, Amazon Redshift, RESTful APIs, CI/CD, Git, ETL, SQL