62 api developer jobs at 43 companies in Winters, CA

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
3w
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Software Engineer I
Sparks or Sacramento or Dayton or Hagerstown
$45k-$52k/yr OnsiteFull Time
1 Click Logistics
1 Click Logistics: Provides third-party logistics, warehousing, and e-commerce fulfillment services.
1+ YOEBachelor's in CS/IS or 3 years' equivalent experience; 1–2 years web/app development (JavaScript/CSS) preferred; experience or exposure to ColdFusion, React, MySQL; familiarity with APIs, Git, and Jira; strong communication and problem-solving.
ColdFusion, React, HTML5, CSS3, JavaScript (ES6), Bootstrap, jQuery, MySQL, APIs, webhooks, XML, JSON, CSV, Git, Jira, AWS, Azure, Warehouse Management System (WMS), Electronic Data Interchange (EDI)
1mo
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Full Stack Developer (Integrations & Automation)
El Dorado Hills, California, United States
HybridFull Time
Roebbelen Contracting
Roebbelen Contracting: General contracting and construction management services.
2+ YOE2+ years building/supporting system integrations and application development; experience with APIs, middleware (Celigo/Boomi), ERPs (Acumatica/Deltek/NetSuite/Oracle/SAP), SQL, PowerShell/JavaScript, data formats (XML/JSON/CSV), and Microsoft Power Platform.
Acumatica, UKG, Procore, Autodesk Construction Cloud, Deltek VantagePoint, Microsoft 365, Celigo, Boomi, NetSuite, Oracle, SAP, APIs, web services, SQL, SQL Server, PowerShell, JavaScript, XML, JSON, CSV, Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Azure, Microsoft Entra ID, Microsoft Graph
2w
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Full Stack Developer III
Berkeley or Los Angeles
$111k-$166k/yr HybridFull Time
PBK
PBK: Provides architectural and engineering design for specialized facilities.
7+ YOE7+ years full-stack development experience, proficiency with JavaScript/TypeScript, React, backend tech (Node.js/.NET/C#/Python), Azure, API integrations, CI/CD, and secure development practices; bachelor\u0002s degree preferred.
React, TypeScript, Node.js, .NET, C#, Python, Salesforce, Deltek Vantagepoint, Autodesk Forma, Microsoft Azure, GitHub Enterprise, Azure DevOps, Microsoft 365, Microsoft Graph API, Microsoft SharePoint, Docker, Azure Monitor, Application Insights, Log Analytics
2w
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Distinguished AI Engineer
Walnut Creek, California, United States
$278k-$417k/yr HybridFull Time
Elevance Health
Elevance HealthNYSE: ELV: Provides health insurance plans and integrated healthcare services.
15+ YOEBachelor's in CS/IT (or equivalent) and minimum 15 years software engineering experience; deep expertise in distributed systems, LLMs/AI, Python/Java, APIs, microservices, cloud, CI/CD, and technical leadership.
Python, Java, LLMs, APIs, microservices, CI/CD, DevOps
3w
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UI Developer
Mountain View or Walnut Creek
$49-$59/hr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
3+ YOE3+ years frontend experience with HTML5/CSS3/JavaScript and React; experience building responsive UIs, integrating REST/GraphQL APIs, using build/test tooling, and translating Figma designs to accessible components; TypeScript preferred.
HTML5, CSS3, JavaScript (ES6+), React.js, TypeScript, Flexbox, CSS Grid, Material UI, Tailwind CSS, RESTful, GraphQL, OAuth 2.0, JWT, Webpack, Vite, Jest, React Testing Library, Cypress, Git, Figma, WCAG 2.1, Core Web Vitals, Next.js, Redux
1mo
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Software Engineer - Agent Harness
Santa Clara or Hillsboro or Folsom or Phoenix
$171k-$315k/yr HybridFull Time
Intel
IntelNasdaq: INTC: Designs and manufactures microprocessors and semiconductor components.
5+ YOEBS/MS in CS/EE/Math or related STEM; 5+ years software development; strong in Python, TypeScript, Go, Rust, or C++; comfortable with async/concurrency and process management; experience integrating external tools/APIs and reading unfamiliar codebases.
Python, TypeScript, Go, Rust, C++, MCP, CLIs
2mo
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Senior Software Engineer- Backend
Concord, California, United States
$130k-$150k/yr OnsiteFull Time
Kyocera Document Solutions
Kyocera Document SolutionsTokyo Stock Exchange: 6971: Manufacturer of document management systems and printing hardware.
4+ YOE4+ years in software development; strong C#, .NET Core, Go; REST APIs; SQL/NoSQL; microservices; Docker/Kubernetes; AI-assisted tools; full-stack knowledge preferred.
C#, .NET Core, Go, SQL, NoSQL, REST, WebSocket, JSON, JavaScript, TypeScript, PostgreSQL, Redis, RabbitMQ, Kafka, Docker, Kubernetes, Git, CI/CD, XUnit, AI-assisted development tools
1mo
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Software Engineer II (Frontend)
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
$103k-$186k/yr HybridFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
4+ YOE4+ years frontend software development; strong TS/JS/React; Next.js; Rails familiarity; API integration; accessibility; testing; A/B testing; AI tools.
TypeScript, JavaScript, React, Next.js, Ruby on Rails, REST, GraphQL, Redis, Kafka, MySQL, Terraform, CI/CD, Monorepos, UI Libraries, AI Tools
2mo
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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
Ascendiun
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
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
4w
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Software Engineer 2, Autonomous Lab
Boston or Emeryville or West Sacramento
$86k-$120k/yr HybridFull Time
Ginkgo Bioworks
Ginkgo BioworksNYSE: DNA: Designs custom microorganisms and cells for industrial manufacturing.
Bachelor’s degree or equivalent experience, professional software development experience, proficiency in Python and Git, familiarity with TypeScript/React and Kubernetes is a plus, strong communication and collaboration skills.
Python, TypeScript, React, Git, Kubernetes, PostgreSQL, LangChain, GCP, AWS, Azure, CI/CD, REST API, Catalyst, HL8, Terapagos, Stratum v2, MCP
2mo
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Software Engineer
Fairfield, California, United States
OnsiteContract
ISHIR
ISHIR: Provides custom software development and enterprise AI services.
7+ YOEContract Software Engineer with 7-10 years of experience in ASP.NET, C#, .NET, jQuery/React, PostgreSQL, REST APIs, MVVM; on-site in Fairfield, CA; 4-6 month contract.
ASP.NET, C#, DOTNET, jQuery, React, SQL, PostgreSQL, REST APIs, MVVM
2w
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Platform Engineer - System Infrastructure Engineer
Berkeley, California, United States
$90/hr HybridContract, Temporary
Bay Systems Consulting
Bay Systems Consulting: Provides engineering and technology support services to government agencies.
6+ YOESenior software engineer with API and web services experience on Linux, strong skills in C/shell/Python, Git and CI/CD, containerization (Docker/Kubernetes), DBs (MongoDB/MySQL/Postgres), OpenAPI, and 6+ years relevant experience.
C, Shell, Python, Git, CI/CD, MongoDB, MySQL, PostgreSQL, Docker, Kubernetes, Spin, OpenAPI, Linux, AI, machine learning
4d
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Lead Software Engineer
San Leandro or Concord or San Francisco
$143k-$224k/yr HybridFull Time
Wells Fargo
Wells FargoNYSE: WFC: Global provider of banking, investment, and mortgage financial services.
5+ YOE5+ years software engineering with Java/Spring microservices, REST APIs, Kubernetes/OpenShift, Kafka/MQ, monitoring tools, CI/CD experience, and ability to lead distributed teams.
Java, JUnit, BDD, Spring, RESTful API, GitActions, Harness, HyperExecute, Kubernetes, OpenShift Container Platform, Kafka, MQ Series, Redis, MongoDB, Cassandra, AppDynamics, Splunk, Grafana, Glassbox, Dynatrace, Splunk Observability Cloud, LangChain, LangGraph, LangSmith, Model Context Protocol (MCP), RDBMS
1mo
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Software Engineer
Petaluma, California, United States
OnsiteFull Time
GCX Healthcare Solutions
GCX Healthcare Solutions: Designs and manufactures mounting solutions for healthcare equipment.
7+ YOE7–15 years software experience; 50-mile radius of Petaluma; US work authorization; IoT/hardware-adjacent Linux work; Java/Spring, Python/Django, React; PostgreSQL/MySQL; AWS; Docker; CI/CD; REST API design; multi-layer stack experience.
Java, Spring Boot, Python, Django, React, PostgreSQL, MySQL, AWS, Docker, CI/CD, OpenAPI/Swagger
2d
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Senior Pre-Sales Engineer
Atlanta or Boise or Frisco or Olympia or Albany or Sacramento or California or New York or Washington
$37-$60/hr HybridFull Time
Intuit
IntuitNASDAQ: INTU: Provides financial software for accounting, tax, and personal finance.
3+ YOE3+ years presales or relevant experience, strong presentation and communication skills, API knowledge, ability to develop training and sales assets, bachelor's degree preferred.
Intuit Enterprise Suite, APIs
2mo
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Senior Software Engineer - Salesforce
Oakland or Alpharetta or Rancho Cordova
HybridFull Time
Delta Dental of California
Delta Dental of California: Provides dental insurance plans and oral health benefit coverage.
4+ YOEBS in Computer Science; 4+ years Salesforce platform experience (Apex, LWC, Flows, Flow Orchestration, Sales Cloud); Health Cloud; Partner Portals/Experience Cloud; Data Cloud; Revenue Cloud; Agentforce; Salesforce Certifications (Platform Developer I/II, Administrator); API/integration experience; security/data modeling knowledge; agile experience...
Apex, Lightning Web Components, Salesforce Flows, Flow Orchestration, Sales Cloud, Health Cloud, Partner Portals, Experience Cloud, Data Cloud, Revenue Cloud, Agentforce, AI/LLMs, OpenAI, Anthropic, REST, SOAP, Platform Events, Git, Copado, Gearset, CI/CD
2mo
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Senior Research Engineer - Voleon Securities
New York City or Berkeley
$225k-$310k/yr HybridFull Time
The Voleon Group
The Voleon Group: Quantitative investment management firm using machine learning strategies.
5+ YOE5+ years software engineering; backend/distributed systems; Python/Go/C++; databases and APIs; strong collaboration.
Python, Go, C++, PostgreSQL, MySQL, Cassandra, DynamoDB, SQLite, DuckDB, MongoDB, REST, gRPC
2mo
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Senior Rendering Engineer
Novato or Montréal
$109k-$161k/yr HybridFull Time
2K
2KNASDAQ: TTWO: Publishes and develops global video game franchises and entertainment.
5+ YOE5+ years’ industry experience; BS in Computer Science or related field; shipping at least one AAA game; strong C/C++ and 3D math; experience with modern GPUs, low-level graphics APIs, and Unreal Engine; proficient with graphics tools.
C/C++, Unreal Engine, Graphics Debugging Tools, Performance Profiling, Houdini, Substance Painter, Z-Brush
1mo
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Senior Principal Software Engineer
McClellan, California, United States
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
4+ YOEUS citizen with active TS/SCI clearance. STEM degree (Bachelor/Master/PhD) with corresponding experience (B+8/M+6/PhD+4). Strong OOP in C++, C#, or Java; scripting with Python/JavaScript; Linux, containers, REST APIs, SQL, GitLab, and DevOps experience.
C++, C#, Java, Python, JavaScript, HTML, CSS, REST, SQL, NetApp, VM, Linux, cron, bash, GitLab, Grafana, Docker, OCI, Kubernetes, K8s, k3s, Bitbucket, JIRA, Jenkins, Confluence, ss, nc, netstat, tcpdump, ip addr
13h
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Senior Full-Stack Developer (.NET/React)
Berkeley, California, United States
OnsiteFull Time
Access Softek
Access Softek: Provides digital banking software for credit unions and banks.
5+ YOE5+ years experience; strong C#, .NET/ASP.NET Core, TypeScript, React; HTML/CSS/SQL/MS SQL; API design, unit/integration testing, CI/CD; experience with legacy and service-based systems.
React, TypeScript, C#, .NET, ASP.NET Core, HTML, CSS, SQL, Microsoft SQL Server, AWS, Docker, Kubernetes, GitHub Copilot, Cursor, JetBrains AI, Claude