23 api engineer jobs at 13 companies in Modesto, CA
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
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.
Principal API Architect, Product Engineering – Agent‑Ready APIs & Data
Pleasanton, California, United States
$206k-$310k/yrHybridFull Time
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
12+ YOE12+ years building large-scale backend systems and APIs, 5+ years in senior architecture roles, hands-on TypeScript or Python, OpenAPI/Swagger and API governance experience, MCP familiarity, strong communication and mentoring skills.
Blackhawk Network: Provider of branded payment solutions and gift cards.
4+ YOEBA and 4+ years full-stack experience with Java, Python, React, NoSQL (MongoDB) and relational databases, AWS cloud (EC2/RDS/EKS/Lambda/API Gateway), CI/CD (Maven/Gradle/Jenkins/Git), strong algorithms and system design skills.
BlackLineNASDAQ: BL: Provides cloud software to automate financial close and accounting.
3+ YOEBS CS +5 yrs or MS CS +3 yrs experience with software development; 3+ years building web applications, SaaS, and RESTful APIs; AI-first development experience; strong SQL and distributed systems knowledge; production deployments and on-call experience.
Redica Systems: Provides a regulatory intelligence platform for life sciences industries.
3+ YOE3+ years ML engineering; Python; deploying LLM/Generative AI at scale; experience with OpenAI/Google/Anthropic/Amazon Bedrock APIs and open-source LLMs; vector/graph databases; SQL/NoSQL; Bachelor's in CS/CE.
Vagaro: Cloud-based management platform for beauty and wellness businesses.
3+ YOE3+ years software development with backend focus; experience with C#, ASP.NET Core/MVC, RESTful APIs, SQL/NoSQL databases, async/await, Git, and cloud (Microsoft Azure or AWS). Bachelor's in CS or equivalent experience.
C#, Microsoft ASP.NET Core, Microsoft ASP.NET MVC, RESTful APIs, OAuth, JWT, Microsoft SQL Server, MongoDB, async/await, Microsoft Azure, AWS, Git, Docker, React
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/yrHybridFull Time
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.
Santa Clara or Milpitas or Mountain View or East Foothills or Los Altos or Stanford
$176k-$293k/yrHybridFull Time
BMC Software: Provides enterprise software for IT management and automation.
10+ YOE10+ years software development with expert Python; proven experience building, deploying, and operating production AI/LLM systems for B2B customers; cloud deployment experience (AWS/Azure/GCP); agent/LLM/ RAG expertise.
MGT: Provides advisory and technology solutions for public sector organizations.
5+ YOEFive+ years in physical security systems; hands-on with IP cameras, access control, intercoms; VMS and security platform experience; strong docs and cross-functional collaboration.
Milestone XProtect, Genetec Security Center, Avigilon Control Center, Verkada Command, Lenel OnGuard, HID/Allegion, Genetec Synergis, AMAG Symmetry, Avigilon Unity, Cloud-based access control, Intrusion detection, Network infrastructure, IP camera installation, APIs
Blackhawk Network: Provider of global branded payment and gift card solutions.
7+ YOE2+ Mgmt7+ years software development experience (or 9+ equivalent), 2+ years managing engineers, expertise in modern JavaScript/TypeScript and React, front-end performance and accessibility, front-end testing, API patterns, cloud experience (AWS preferred), and strong cross-functional communication.
Ciroos: AI platform for automated site reliability engineering.
7+ YOE7+ years in technical pre-sales/solutions architecture/customer engineering for enterprise SaaS; MS in engineering preferred; strong SRE/DevOps/infrastructure background (Kubernetes, observability, incident management, cloud); PoV experience; Python/APIs/Terraform a plus.
Lawrence Livermore National Laboratory: Develops science and technology for United States national security.
Ability to obtain DOE Q clearance (U.S. citizenship), bachelor\u0000s in computer/engineering or equivalent, significant experience architecting and deploying GenAI/LLM-enabled production systems, cloud/Kubernetes and backend API development (Python, Java, JavaScript, TypeScript).
5+ YOE5+ years TPM experience owning complex data/platform programs; startup or founder experience preferred; hands-on with data infrastructure (pipelines, warehousing, ELT); fluent in integration patterns; strong written and verbal communication.