15 core java developer jobs at 10 companies in Vacaville, CA
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
StubHubNYSE: STUB: Online marketplace for buying and selling live event tickets.
5+ YOE5+ years software development experience, 2+ years with React, experience with Java or C#, expertise across backend/frontend systems, mentoring experience, strong communication and product judgment.
StubHubNYSE: STUB: Online marketplace for buying and selling live event tickets.
5+ YOE5+ years software development experience, 2+ years with React, experience with Java or C#, expertise in building production systems across infrastructure, databases, distributed systems; strong communication and mentoring skills.
Zeta GlobalNYSE: ZETA: Provides an AI-powered marketing platform for enterprise customer engagement.
8+ YOE8+ years engineering experience with proficiency in C#, Java, JavaScript, Go, or Python; experience with generative AI, LLMs, and cloud infrastructure; strong architecture and mentoring.
9+ YOEBachelor's or equivalent experience, 9+ years software development, proven technical leadership on large distributed backend systems, experience with system design and platform direction, strong communication and mentoring skills.
Bellevue or Seattle or San Francisco or Palo Alto or Los Angeles
$195k-$343k/yrOnsiteFull Time
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
9+ YOEBachelor's in CS/Engineering or equivalent; 9+ years software development experience (reduced with advanced degree); proven technical lead experience building and operating large-scale distributed backend systems; strong system design and leadership skills.
Strava: Fitness tracking and social networking app for athletes.
10+ YOE10+ years backend engineering; tech lead experience; distributed systems design; proficient in Ruby/Scala/Go/Java; AWS; Kafka/Kubernetes; MySQL/Redis/Cassandra.
Rippling: Unified platform managing workforce HR, IT, and finance operations
8+ YOE8+ years professional software engineering with backend focus; proficiency in a backend language (Python, Go, Java), data modeling across SQL and NoSQL, systems thinking, API and schema design, and ownership of production reliability.
Python, Go, Java, SQL, NoSQL, Slack, Microsoft 365
Rippling: Unified platform managing workforce HR, IT, and finance operations
8+ YOE8+ years professional software engineering experience focused on backend systems; deep proficiency in a modern backend language (Python, Go, Java), strong data modeling across SQL and NoSQL, systems thinking for scale, reliability, and observability.
Python, Go, Java, SQL, NoSQL, Slack, Microsoft 365
Lead AI Engineer (GenAI Platform, AI Foundations, LLM Core and Agentic AI)
McLean or San Francisco or San Jose or Richmond or New York City
$197k-$225k/yrOnsiteFull Time
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor’s or Master’s in CS/AI/EE/CE with 2–4+ years of AI/ML experience; 4+ years Python/Go/Scala/Java; cloud experience with AWS/GCP/Azure preferred.
AWS, Huggingface, PyTorch, VectorDB, Nemo Guardrails, Open Source AI tools
UberNYSE: UBER: A technology platform for transportation, delivery, and freight.
10+ YOE10+ years developing ML models and shipping production ML solutions; Master’s in CS/Engineering/Math; expertise in ML methods, statistics, optimization; strong problem solving and communication.
Blackhawk Network: Provider of branded payment solutions and gift cards.
4+ YOEBachelor/Master in CS or equivalent; 4+ years programming experience building distributed systems; expert in Core Java 11+; SQL and Spring experience; familiarity with web stack, algorithms, design patterns; AWS, Docker/Kubernetes preferred.