Senior Full Stack Engineer Java jobs in Castro

FriendliAI

About the Job We’re seeking a Full-Stack Engineer to design, build, and scale our web platform, which serves as the core interface for deploying multimodal models, observing workloads, and building agent workflows. In this role, you’ll work closely with product, infrastructure, and design teams to c

About HappyRobot HappyRobot is the infrastructure for enterprises to build and orchestrate AI workforces. Our AI workers don't just communicate - they make decisions, take action, and run operations autonomously across voice, email, and enterprise systems. Born in Y Combinator (S23) and backed by a1

About The Team The ChatGPT Learning team focuses on building the next generation of learning experiences inside ChatGPT. Learning is already one of the largest consumer use cases on the platform, with millions of people each week using ChatGPT to understand concepts, practice skills, and get unstuck

About Us Baton AI (getbaton.ai) is building the enterprise automation platform for cross-application workflows. We’re starting by helping solutions engineering and implementation teams at software companies automate customer onboarding and product setup - enabling them to deliver value faster and at

About Flow Flow Engineering is an AI-native requirements platform for modern engineering organizations, enabling hardware teams to collaborate with AI agents to design, validate, and evolve complex systems with speed and rigor. About The Role Flow is seeking full stack senior software engineers to b

SpaceX was founded with the vision of enabling human life on Mars through advanced technology. They are seeking a Full Stack Software Engineer to develop high-performance web applications that empower Starlink customers in various environments while collaborating with internal teams to enhance syste

DRISHTICON Inc is seeking a Senior Java Software Engineer to work for one of their direct clients in Sunnyvale, CA. The role involves designing robust architectures, developing code, and collaborating with cross-functional teams to deliver scalable solutions. Responsibilities Designing robust and sc

🚨 Hiring: Full-stack Engineer 📍 San Francisco (Onsite) 💰 $150 - $225K + Equity 🏢 Company: This company is building an AI Operator for growth that replaces traditional ad agencies with autonomous, quant-driven decision systems. By applying high-frequency trading , optimization , and risk manageme

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. FULL STACK SOFTWARE

Unity Technologies

The opportunity We’re looking for a Senior Full-Stack Engineer to join the Unity Ads team, with a strong emphasis on backend development. You’ll own the backend systems that power our ad experiences, sitting at the core of how ad requests, events, and rendering logic flow between our SDKs, Ad Viewer

Job Title: Senior Full-Stack Java Developer Location: This is an on-site position based at Fremont, CA office. Duration: Longterm Client is looking for a highly skilled senior developer with strong hands-on coding expertise, comfortable leveraging AI tools to boost productivity — architect-level kno

Versa Networks

About Us At Versa Networks, we're revolutionizing the way businesses connect, secure, and optimize their networks. Our mission is to secure anywhere, anytime access to anything. As a leader in Secure SD-WAN, SSE (Secure Service Edge), SASE (Secure Access Service Edge) and Next-generation Managed Ser

Company Overview Amperesand is reinventing how the world powers its most critical systems. We are facing a once-in-a-generation opportunity for infrastructure disruption. Electricity demand is skyrocketing, driven by AI factories, electric vehicles, and modern industrial growth. Energy supply is shi

RadiantGraph, Inc

$12,500 - $15,833 /year

About RadiantGraph: RadiantGraph is a rapidly growing, venture-backed healthcare technology company solving a core challenge for health plans: moving from fragmented, legacy data infrastructure to intelligent, actionable member engagement at scale. Its AI-powered platform unifies claims, pharmacy, c

About RadiantGraph: RadiantGraph is a rapidly growing, venture-backed healthcare technology company solving a core challenge for health plans: moving from fragmented, legacy data infrastructure to intelligent, actionable member engagement at scale. Its AI-powered platform unifies claims, pharmacy, c

Company Description MPH Tech Academy is an academy that partners with platforms like Paraform to connect job seekers to opportunities. Paraform is an Agentic Hiring Platform that leverages AI-powered solutions to streamline and accelerate the talent acquisition process. The platform's core product i

Opening For Full-stack Engineer (Embedded Applets Development): Location: Palo Alto, CA – Onsite Automotive experience is must have. Requirements: Kotlin / Java – for developing applets and Android system services. C++ – for native components (through JNI), hardware interfacing, or embedded optimiza

About Gumloop Gumloop is the AI automation platform for the enterprise. We give teams the power to easily build and deploy AI agents, in Slack, Microsoft Teams, or standalone, that automate real work across hundreds of integrations with no engineering background required. The platform has three pill

Job Details Description Archer is a technology company that provides Integrated Risk Management software solutions to other organizations. The Archer Platform provides a common foundation for organizations to manage IT security risk, regulatory compliance, third party/supply chain risk, and more. No

Artificial intelligence is one of the most profound technologies of our lifetime. It’s rapidly changing Apple products, making them more personal, intuitive, and capable than ever before. Imagine what you could do here. We’re looking for a senior full-stack engineer with experience across front-end