190 api engineer jobs at 104 companies in Winchester, CA
3mo
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Sr. Platform Engineer
Irvine, California, United States
$129k-$161k/yr OnsiteFull Time
5+ YOE5+ years software engineering, proficiency in C#/Python/TypeScript, Azure and Terraform experience, CI/CD and API design experience, observability and automation skills.
C#, .NET, Python, TypeScript, Node.js, Azure DevOps, Terraform, Datadog, OpenTelemetry, Docker, Kubernetes, PowerShell, Backstage, GitHub Copilot
2mo
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AI Engineer Manufacturing Plant AI Applications
Santa Ana, California, United States
OnsiteFull Time
Bachelor’s degree in Manufacturing Engineering, Mechanical Engineering, Computer Science, or related field; strong API, coding, and data analytics skills; experience in high-mix/high-volume manufacturing preferred.
Python, Streamlit, Dash, REST APIs, Git, Databricks, MES, SPC
4w
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Data Platform Engineer, Data Pipelines
Irvine, California, United States
OnsiteFull Time
3+ YOEBachelor's or Master's in CS/Engineering,3+ years data/backend engineering,proficiency in Python and SQL,experience with streaming,warehouse/lakehouse,ETL/CDC,APIs,monitoring,and data quality.
Python, SQL, C++, Scala, Java, Kafka, Kinesis, Pub/Sub, Airflow, Dagster, BigQuery, Snowflake, Databricks, Redshift, Fivetran, Airbyte, Debezium, REST, gRPC, webhooks, ROS, ROS2, MCAP, rosbag, dbt
2mo
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Instrumentation Engineer and Instrumentation Designers
Ferndale or Larkspur or Billings or Remote or Remote or Orange or Remote
OnsiteFull Time
5+ YOE5+ years in refinery/oil & gas; instrumentation design and I&C; BS in engineering; PE license preferred; ISA/ANSI/ASME/API/NFPA knowledge; on-site refinery experience preferred.
AutoCAD, NavisWorks, Bluebeam, Revit, Siemens PSS/E
1mo
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Warehouse Automation Engineer
Bloomington, California, United States
$140k-$150k/yr OnsiteFull Time
3+ YOEBachelor's in an engineering discipline and 3+ years supporting complex warehouse automation (robotics, conveyors, WCS, integrations); strong mechanical troubleshooting, software/DB familiarity, and systems integration experience.
Geek+, AutoStore, Dematic, Swisslog, KNAPP, GreyOrange, Ocado, WMS, ERP, PLCs, APIs, WCS
1mo
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Full Stack Engineer
Irvine, California, United States
$125k-$140k/yr OnsiteFull Time
2+ YOEBachelor's degree in CS/IT, 2+ years full‑stack development with production AWS deployments; proficiency in Go, FastAPI, React, and experience with RESTful APIs and cloud-native patterns; eligible for Top Secret clearance.
Go, Python, React, FastAPI, AWS, Kubernetes, AWS CDK, Terraform, JavaScript, TypeScript, IAM, API Gateway, Lambda, DynamoDB
1mo
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Assistant Fire Protection Engineer- Aviation & Federal (Brea)
Brea, California, United States
$85k-$125k/yr OnsiteFull Time
Bachelor's degree in fire protection engineering or related field from an ABET-accredited program, or engineering technology degree with FE completion; analytical, communication, computer, and collaboration skills required.
Microsoft Office Suite, NFPA, FM Global, API
4d
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Sr. AI/ML Engineer - Remote or Hybrid in Eden Prairie, MN or Irvine, CA
Eden Prairie or Irvine
$120k-$215k/yr HybridFull Time
5+ YOE5+ years engineering experience, strong Python skills, practical experience with LLMs, RAG, embeddings, vector search, prompt engineering, model APIs, data pipelines, and responsible AI practices.
Python, LLMs, RAG, embeddings, vector search
2mo
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Senior DevOps Engineer
Irvine, California, United States
$169k-$202k/yr HybridFull Time
5+ YOEBachelor's degree, 5+ years managing large-scale web infrastructure, experience with IaC (Cloudformation/Terraform), AWS/Azure/Google Cloud, Kubernetes, PowerShell/Bash scripting, SQL/No SQL, CDN and CI/CD.
Cloudformation, Terraform, AWS, Microsoft Azure, Google cloud, Kubernetes, Microsoft PowerShell, Bash, SQL, No SQL, Content Delivery Networks (CDN), CI/CD, APM, RUM, Java, C#, Python, NodeJS, REST API
2mo
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Enterprise Sales Engineer (Remote)
San Francisco or New York City or Palm Springs or United States
RemoteFull Time
5+ YOE5+ years in Sales/Systems/Forward Deployed Engineering at B2B SaaS or AI companies; strong technical fluency with APIs/JSON, system integrations, low-code prototyping, and customer-facing presentation skills.
Zapier, Retool, Make, Postman, APIs, JSON, Retrieval-Augmented Generation (RAG)
2mo
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Developer Relations Engineer
Seattle or Boston or Costa Mesa
$132k-$198k/yr OnsiteFull Time
Experience as a developer advocate/evangelist/solutions or sales engineer; experience building web or IoT apps (front- and back-end); familiarity with API technologies (REST or gRPC); strong communication and content-creation skills; must be a U.S. Person.
Lattice SDK, Lattice OS, REST, gRPC
1w
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Automation & Controls Engineer I
Aliso Viejo, California, United States
OnsiteFull Time
0+ YOEBachelor's in electrical/mechatronics/biomedical or related, 0-2 years with PLC/HMI/SCADA through coursework or experience, AutoCAD skills, Ethernet/IP and Modbus familiarity, ability to read schematics, strong troubleshooting and communication, up to 15% travel.
PLC, HMI, SCADA, AutoCAD Electrical, AutoCAD, SolidWorks Electrical, Ethernet/IP, Modbus, Microsoft Office, C, C#, VB.NET, APIs, MES, Machine vision, Robotics, VFDs, Servos, Steppers
1mo
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Staff Engineer I - Software Engineer
Westlake Village or Irvine or Dallas
$122k-$151k/yr OnsiteFull Time
5+ YOE5+ years software development experience; Bachelor's degree required; proficiency with TypeScript, React, Angular, REST API, Azure/AWS and Azure DevOps; leadership experience, financial services and regulatory knowledge; up to 10% travel.
React, Angular, TypeScript, HTML, CSS, REST API, Azure, AWS, Azure DevOps
1mo
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Software Engineer 2 - Salesforce Developer
Brea or Minneapolis or Cincinnati
$111k-$131k/yr HybridFull Time
3+ YOEBachelor's degree or equivalent experience, 3+ years relevant experience, strong Salesforce platform skills (Apex, Visualforce, Lightning), API integration experience, agile/DevOps familiarity, full‑stack development and code quality focus.
Salesforce, Apex, Visualforce, Lightning Component Framework, APIs, web services
2d
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QA Engineer III
Irvine, California, United States
$108k-$128k/yr HybridFull Time
3+ YOEBachelor's degree and at least 3 years of hands-on experience with POS, Voice AI, databases, AWS, Linux, APIs, Python, JavaScript, TypeScript, test automation, and validation methodologies.
POS, Drive Thru Voice AI Systems, Touch KDS, Drive Thru Menu, Order Confirmation Board, eCommerce, Linux, MongoDB, AWS DynamoDB, AWS Lambda, AWS S3, AWS CloudWatch, Couchbase, Power BI, KQL, JSON, XML, REST API, Python, JavaScript, TypeScript, Microsoft Office, Notepad++, Postman, test automation, Agile
1mo
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Sr. Software Engineer
Irvine, California, United States
$112k-$191k/yr RemoteFull Time
5+ YOE5+ years enterprise software engineering with C#, .NET, SQL Server, Angular, and Azure; experience stabilizing production systems, building microservices/APIs, and mentoring teams.
C#, .NET, SQL Server, Angular, Azure, App Services, Functions, SQL Database, Kubernetes, Docker, DevOps pipelines
2mo
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Software Engineer (C#/.NET)
New York or Carlsbad
$101k-$134k/yr OnsiteFull Time
4+ YOE4+ years in scalable distributed systems; expert in C# and/or C++; strong OO design; API design; web service scalability; MSSQL; Perforce.
Windows Server, SQL Server, IIS, .NET, C#, C++, MSSQL, Perforce, REST API, Web Services
2w
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Sr. Software Engineer
Lake Forest, California, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience; strong JavaScript/TypeScript and React; experience with micro-frontends, frontend SDKs, REST API integrations, and automated testing (Jest, Cypress, Playwright).
JavaScript, TypeScript, React, Jest, Cypress, Playwright, REST APIs
1d
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Senior AI Engineer
Irvine, California, United States
$120k/yr RemoteFull Time
3+ YOERequires 3–5 years in AI application, automation, or full-stack cloud engineering; Python and JavaScript; AI workflows, AWS, LLM services, APIs, serverless architecture, and data analysis.
MCP, AWS Step Functions, AWS Lambda, OpenAI, Anthropic, Claude, GCP, Microsoft Azure, Devin, LangChain, Transformers, boto3, JavaScript, Python, RESTful APIs, SQL, pandas, CRM, POS, LOS, Microsoft Azure AI/ML services
2mo
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Software Engineer III - Backend
Irvine, California, United States
$125k-$140k/yr OnsiteFull Time
5+ YOE5+ years backend engineering; strong API, databases, and CI/CD; Python/JavaScript/TypeScript; healthcare/regulatory exposure a plus.
Python, JavaScript, TypeScript, React, REST, CI/CD, Linux
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