76 api java developer jobs at 41 companies in Lancaster, CA
3w
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API Integration Specialist
Rosemead, California, United States
$37-$43/hr OnsiteFull Time
2+ YOE2+ years API development/integration experience; hands-on MuleSoft Anypoint Platform; API specs with RAML/Swagger/Open API/Postman; CI/CD and Azure DevOps experience; knowledge of JSON/XML and programming languages a plus.
MuleSoft Anypoint Platform, API Manager, Exchange, RAML, Swagger/Open API, Postman, Azure DevOps, JSON, XML, Java, Python, JavaScript
2mo
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Staff Search Engineer (Canada)
Ontario or British Columbia or Vancouver or Los Angeles or Austin or New York City or San Francisco or London or Manila or Warsaw
$132k-$165k/yr HybridFull Time
7+ YOE7+ years software development experience, 3+ years Elasticsearch experience, strong CS fundamentals, Golang/Go experience, AWS familiarity, REST API and Git experience, proficiency with Python/Java/PHP/JavaScript, CI/CD and scalable systems design.
Go, TypeScript, Elasticsearch, AWS, AWS CloudWatch, AWS SQS, AWS Lambda, Java, MSSQL, AWS Redshift, Python, PHP, JavaScript, Node.js, Git, REST API, CI/CD, Kubernetes, Laravel, Symfony, GCP, Azure, Agile
3d
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Senior Backend Engineer, Podcast
New York City or Los Angeles
$164k-$235k/yr HybridFull Time
Professional backend development experience with strong Java skills, cloud platforms such as GCP or AWS, relational databases such as MySQL, scalable APIs or distributed systems, and clear communication.
Java, JavaScript, Ruby on Rails, GCP, AWS, MySQL, Claude
2w
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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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Salesforce Developer
Los Angeles or San Francisco
$105k-$115k/yr HybridFull Time
3+ YOE3+ years Salesforce development: Apex, LWC, Experience Cloud, API integrations (REST/SOAP), FormAssembly, CI/CD, Git; Platform Developer certification preferred.
Apex, SOQL, SOSL, Visualforce, Lightning Web Components (LWC), Aura Components, REST, SOAP, OAuth 2.0, JWT, Named Credentials, Platform Events, FormAssembly, JavaScript, HTML, CSS, Python, Java, C#, Salesforce DX (SFDX), CLI, change sets, GitHub Actions, Copado, Gearset, Jenkins, ANT, Git, GitHub, Microsoft Word, Microsoft Excel, Microsoft Outlook, PMD, Apex PMD, ESLint, MuleSoft, Workato, Boomi, Zapier, Experience Cloud, Salesforce Connect, Omni-Channel flow
3mo
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Delivery Excellence - Tech Enablement - Senior Developer - Manager
New York or Tampa or Atlanta or Chicago or Washington or Dallas or Los Angeles or Miami or Boston or San Diego or San Francisco or Silicon Valley or Philadelphia or Seattle
$99k-$232k/yr OnsiteFull Time
4+ YOE2+ MgmtBachelor's degree; 4+ years in software engineering; strong Java, Python, C++, and JavaScript; experience leading teams; API management; CI/CD; ATDD a plus.
Java, Python, C++, JavaScript, APIs, CI/CD, Application frameworks, Software testing
2mo
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Senior Software Engineer
San Francisco or Miami or Atlanta or Salt Lake City or Phoenix or Washington D.C. or Los Angeles or Seattle or Chicago or Boston or Austin or New York City
$153k-$205k/yr RemoteFull Time
6+ YOE6+ years professional software development with Java and Go; bachelor’s in CS or equivalent; led small technical teams; experience with payment systems, RESTful APIs, cloud services, and SQL; strong system design, testing, and communication skills.
Java, Go, AWS, Google Cloud, Microsoft Azure, SQL, NoSQL, RESTful API
2mo
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Sr. Software Engineer, AI Native
Culver City or San Diego
$180k-$205k/yr HybridFull Time
5+ YOE5+ years experience in full-stack development with Java, Go, or Python; REST API and frontend (HTML/CSS/JavaScript/React) proficiency; hands-on experience with AI-native coding tools, prompt engineering, agent development, and participation in on-call rotations.
Java, Go, Python, HTML, CSS, JavaScript, React, Angular, Ember, Jest, Babel, TypeScript, Claude Code, Cursor, GitHub Copilot, RESTful API, AWS, Docker, Kubernetes, Terraform, Ansible, Jenkins, BMad Method, SAFe, Scrum
5d
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Staff Software Engineer, Fullstack-MarTech
New York City or San Francisco or United States or Los Angeles or Seattle or Austin or Washington, D.C. or Philadelphia or San Diego or Chicago or Atlanta or Salt Lake City or Australia or Canada or South America
$170k-$250k/yr HybridFull Time
8+ YOERequires 8+ years software development, 6+ years Java, 3+ years TypeScript and React, plus AWS, scalable APIs, event-driven systems, web performance, and cross-functional communication experience.
Java, Spring Boot, TypeScript, React, AWS, Spring, Gradle, JUnit, JVM, EKS, Aurora RDS, ElastiCache, DynamoDB, REST APIs, Braze, Singular, AppsFlyer, Branch, Google Tag Manager, Amplitude, LaunchDarkly, Meta, Google, TikTok, Apple, Snowflake, GitHub Actions, git, DataDog, CDK, Terraform, React Native
1mo
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Senior Software Engineer
Glendale or Bristol
$149k-$199k/yr HybridFull Time
5+ YOE5+ years industry experience; proficiency in Java/Kotlin/Python/JavaScript, microservices, REST APIs, AWS (S3,Lambda,EC2), databases, Kafka; BS in CS preferred.
Java, Kotlin, Python, JavaScript, AWS, S3, Lambda, EC2, SQL, MongoDB, OpenSearch, Apache Kafka
3mo
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Full Stack Engineer, Senior
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yr HybridFull Time
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Kubernetes, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git
1w
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Knowledge Engineer Manager - Back-end Engineer
United States or 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
$80k-$294k/yr HybridFull Time
5+ YOERequires 5+ years in knowledge graphs, ontology mapping, R2RML, graph and relational databases, vector databases, Python or Java, REST APIs, and a bachelor's degree or equivalent.
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, D3.js, Cytoscape.js, Terraform
1w
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Full Stack Developer
Washington, D.C. or California or Colorado or Hawaii or Illinois or Maine or Maryland or Massachusetts or Minnesota or New Jersey or New York or Vermont or Virginia or Washington or Cleveland or Los Angeles County
$99k-$110k/yr RemoteFull Time
3+ YOERequires 3–4 years with Java, J2EE, OOP, microservices, Spring Boot or Quarkus, REST APIs, databases, AWS, CI/CD, Linux, testing, and Agile Scrum, plus a computer science bachelor's degree.
Java, J2EE, Spring Boot, Quarkus, REST APIs, Apache Camel, ActiveMQ, Kafka, AWS SQS, JSON, XML, XSD, AWS S3, AWS Lambda, AWS CloudWatch, AWS RDS, Docker, Kubernetes, OpenShift, Jenkins, Git, Maven, Linux, JUnit, Mockito, Postman, SOAP UI, Python, JavaScript, JBoss, Ruby on Rails, MarkLogic, Red Hat, Edifecs, EHR, CMS Agile XLC
6d
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Software Engineer I
Glendale, California, United States
$98k-$131k/yr HybridFull Time
Bachelor's degree or equivalent experience; programming experience in TypeScript, Java, C++, or JavaScript; object-oriented programming, REST APIs, Git, SQL/NoSQL, Jenkins, Docker, and strong communication skills.
TypeScript, Java, C++, JavaScript, RESTful services, Git, SQL, NoSQL, Jenkins, Docker, Generative AI APIs
2w
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Sr. Software Engineer
Irvine or Los Angeles or Seattle
$150k-$180k/yr OnsiteFull Time
Full-stack engineer modernizing production systems and building AI capabilities with Java, Go, JavaScript, BigQuery, GCP, REST APIs, databases, automated testing, and end-to-end project ownership.
Java, Go, JavaScript, BigQuery, Cloud Storage, MySQL, REST APIs, FTP, YAML, GCP, Docker, Kubernetes, GKE, GitHub Actions, Python, Tomcat, JSP, CodeMirror, Chart.js, MCP, LLMs
2mo
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Software Engineer
Toronto or Denver or Fishers or Los Angeles or Krakow
$120k-$150k/yr HybridFull Time
3+ YOE3+ years backend engineering experience; strong Java and Spring Boot skills; experience with REST APIs, Kafka, Kubernetes, cloud platforms; knowledge of identity (OAuth 2.0, OIDC, SSO, SCIM). Bachelor's in CS/Engineering or equivalent.
Java, Spring Boot, Python, RESTful APIs, Kafka, Kubernetes, OAuth 2.0, OpenID Connect (OIDC), SSO, SCIM, AWS, Azure, Google Cloud Platform, Okta, Auth0, Ping Identity, Keycloak, Terraform, OpenTelemetry, Datadog, Grafana
1mo
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Software Engineer
Calabasas, California, United States
$80k-$115k/yr OnsiteFull Time
3+ YOEBachelor's degree required, 3+ years full-stack experience. Strong Node.js, MySQL, REST API, Git/GitHub, cloud (AWS/GCP/Azure). Experience with PHP/Java, Angular, Elasticsearch/OpenSearch, and GenAI coding tools preferred.
Node.js, PHP, Java, MySQL, Git, GitHub, AWS, GCP, Azure, Cursor, Copilot, Elasticsearch, OpenSearch, Angular, Symfony, Salesforce
15h
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Backend Software Engineer
Portsmouth or Boston or Plano or Indianapolis or Columbus or United States or Los Angeles or Philadelphia or San Francisco
$83k-$154k/yr HybridFull Time
3+ YOEBachelor's or master's degree in a technical discipline or equivalent experience, 3+ years of backend engineering, Agile experience, and proficiency with Java, Spring Boot, APIs, microservices, cloud platforms, and DevOps practices.
REST, microservices, AWS, Azure, Google Cloud, Java, NodeJS, Spring Boot, Scrum, Kanban, XP, CI/CD, DevOps, Kafka, DataDog, Splunk, GitHub Copilot, Pact
3mo
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Lead QA Engineer
Los Angeles or Tustin or Dallas
$132k-$167k/yr HybridFull Time
5+ YOE2+ Mgmt5–8+ years software quality assurance, 2+ years in leadership; manual and automated testing; Selenium/Cypress/Playwright; API testing; CI/CD; Agile; Jira; programming in JavaScript/Python/Java.
Selenium, Cypress, Playwright, Postman, REST Assured, Jenkins, GitHub Actions, GitLab CI, Jira, JavaScript, Python, Java
6d
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Software Engineer
New York City or San Francisco or Los Angeles or Chicago or Dallas or London
$200k/yr HybridFull Time
3+ YOEMaster’s degree and 3 years of related experience, or bachelor’s degree and 5 years of progressive experience. Requires backend development, distributed systems, APIs, cloud deployment, testing, monitoring, and Linux expertise.
Claude, Gemini, ChatGPT, Glean, Python, Java, Kotlin, Django, Spring, SQL, Docker, Kubernetes, Amazon ECS, Git, RESTful, gRPC, Linux, TCP/IP, HTTP/HTTPS, Redis, Memcached, Kafka, SQS
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