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2,410 java developer jobs at 466 companies in Union City, CA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
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).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
3mo
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Java Developer
Foster City, California, United States
$140k-$160k/yr RemoteFull Time
QuinStreet
QuinStreetNasdaq: QNST: Operates online marketplaces connecting consumers with service providers.
1+ YOEBachelor's in CS or related field +1 year of experience; Java/J2EE tech stack; PHP/HTML/JS web development; MVC front-end concepts; JBoss/Tomcat servers; SQL with Oracle or similar; UNIX/Linux environment; HTTP, sessions.
Java, J2EE, JSP, XML, EJB, JDBC, PHP, HTML, JavaScript, MVC, JBoss, Tomcat, SQL, Oracle, UNIX, Linux, HTTP
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1mo
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Sr. Java Developer
Sunnyvale, California, United States
$90k-$102k/yr HybridFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
7+ YOESenior Java Developer with 7+ years in Spring Boot microservices, strong software architecture, and commerce full-stack experience.
Spring Boot, Java, Microservices
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2mo
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Lead Java Software Engineer
Phoenix or San Francisco or Chicago or Denver or Salt Lake City or Madison
$85k-$160k/yr RemoteFull Time
Resource Innovations
Resource Innovations: Provides clean energy services and software solutions for utilities.
8+ YOE8+ years software development; Java/Spring Boot; cloud-based enterprise apps; strong analytical, communication, and independent working skills.
Java, Python, Spring Boot, MySQL, NoSQL, OpenSearch, Elasticsearch, Apache Camel, RabbitMQ, Data pipelines, AWS, Kubernetes, CI/CD, REST, SOAP, Microservices
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3mo
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Staff Engineer - Backend Java
Sunnyvale, California, United States
$192k-$230k/yr OnsiteFull Time
Illumio
Illumio: Provides zero-trust segmentation software to contain cyberattacks.
Senior backend engineer with cloud architecture experience, strong Java/Python skills, and familiarity with Kubernetes, Docker, REST, and infrastructure as code.
Java, Python, REST API, Kubernetes, Docker, Spring, CloudFormation, Terraform, AWS, Azure, GCP
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1mo
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Senior Java Backend Engineer - 8+ Years Experience Required
Casablanca or Porto or Aveiro or Coimbra or Leicester or San Diego or San Francisco or Chennai or Bengaluru or Cluj-Napoca or Blumenau or Australia
RemoteFull Time
Mindera
Mindera: Develops bespoke software systems and digital products for enterprises.
8+ YOE8+ years Java backend development, strong OOP and design patterns, Terraform, Git, CI/CD, Kafka, Kubernetes, GraphQL Federation, Azure, TDD, and fluent English.
Java, Kotlin, Terraform, Git, CI/CD pipelines, Kafka, Kubernetes, GraphQL Federation, Azure, Spring Boot, TDD
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1w
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Java Backend Engineer
Sunnyvale, California, United States
$70k-$90k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
6+ YOE6+ years experience building scalable Java-based microservices; expertise with Spring Boot, multithreading, testing (Mockito, JUnit), SQL/NoSQL, and cloud platforms (GCP/Azure).
Java, Scala, Go, Camel, Spring, Spring Boot, Apache, Tomcat, Jboss, RESTful, Kubernetes, Google GCP, Microsoft Azure, Mockito, JUnit, Oracle, Cassandra, Azure Cosmos DB
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2w
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Senior Backend Engineer - Java
United States or Tampa or Boston or Atlanta or New York City or Columbus or Chicago or Philadelphia or Raleigh or Charlotte or Minneapolis or Dallas or Washington D.C. or Austin or Miami or Newark
$152k-$194k/yr RemoteFull Time
Real
RealNasdaq: REAX: Technology-driven brokerage offering residential real estate and title services.
8+ YOE8+ years experience with Java/Spring Boot, JPA/Hibernate, relational databases; experience designing event-driven microservices, strong testing practices, AI-assisted development familiarity, BA/BS or equivalent.
Java 17, Java 21, Spring Boot 3.x, JPA/Hibernate 6, Postgres, Kafka, DynamoDB, Redis, OpenSearch, AWS, Docker, Kubernetes, Datadog, ArgoCD, TeamCity, Claude Code, Cursor, Codex, Model Context Protocol (MCP), GitHub, SonarQube
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1d
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Java Server Engineer - ASE Products
Cupertino, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Build and operate large-scale web services and solve complex engineering challenges that impact millions of users.
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2mo
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Sr. Software Engineer - Java / SpringBoot / AWS
San Francisco, California, United States
$142k-$183k/yr HybridFull Time
Early Warning Services
Early Warning Services: Operates payment and risk solutions for the financial industry.
5+ YOE5+ years Java/C#/.NET experience; AWS, REST/SOAP, NoSQL; strong development and testing skills.
Java, Spring Boot, AWS, Unix/Linux, SQL, NoSQL, Redis, HBASE, Aerospike, XML, JSON, REST, SOAP, Cucumber, Selenium
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2mo
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Senior Developer (Kotlin + Java) Hybrid position in USA
Raleigh or San Jose or New York
$105k-$171k/yr HybridFull Time
Thoughtworks
Thoughtworks: Global consultancy providing software engineering and digital strategy services.
Senior software developer with Kotlin and Java, OO programming, Agile, TDD/CI/CD, and cloud tooling experience.
Kotlin, Java, AWS, Kubernetes, Docker, TDD, CI/CD, Agile, XP, Scrum, Kanban
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1mo
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Data Engineer - Java - Loops
Palo Alto, California, United States
$115k-$125k/yr HybridFull Time
IFS
IFS: Provides enterprise software for asset-intensive and service industries.
5+ YOE5+ years hands-on SAP integration experience; strong API and integration skills (REST/OData/SOAP/BAPIs/RFCs); proficiency in Java (or Python/Node.js), cloud platforms (AWS/Azure/GCP), Git/CI-CD, data mapping, and troubleshooting.
Java, Python, Node.js, REST, OData, SOAP, BAPIs, RFCs, OAuth 2.0, SAML, SAP Integration Suite, SAP PI/PO, Dell Boomi, SAP Service Cloud, SAP CRM, SAP S/4HANA, SAP Gateway, SAP Business Technology Platform (BTP), SAP Cloud Platform, SAP Fiori, SAP UI5, SAP Knowledge Central, Git, AWS, Azure, GCP, Zendesk, Salesforce, ServiceNow, Jira, Datadog, New Relic, ELK
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6d
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Software Engineer III (Backend Java/Rust)
Sunnyvale, California, United States
$117k-$234k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Multinational retail operating discount stores and supermarkets.
2+ YOEExperience designing and developing high-throughput backend services using Java/Rust, Spring Boot, Kafka, Cassandra, and CI/CD; 2+ years with relevant degree or 4+ years experience; authorized to work in the U.S.
Java, Rust, RxJava, Spring Boot, Kafka, Cassandra, Kubernetes, CI/CD
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11h
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Java Technical Lead - RESTful API, Spring Boot
Santa Clara, California, United States
$69k-$128k/yr OnsiteFull Time
HCLTech
HCLTechNational Stock Exchange of India: HCLTECH: Global technology providing digital, engineering, and cloud services.
Lead Java/J2EE development with Spring Boot for RESTful services; expertise in scalable, secure web applications, microservices, containerization, CI/CD, and team leadership.
Java, J2EE, Spring Boot, Docker, Kubernetes, CI/CD
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3w
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Android Engineer (Android / Java / Kotlin)
United States or Palo Alto
$140k-$200k/yr HybridFull Time
Ampa
Ampa: Developing brain stimulation technology to treat mental health disorders.
5+ YOE5+ years building production Android apps in Java and Kotlin; expert React Native and TypeScript; experience with USB/serial hardware integration, binary protocols, Redux Toolkit, AWS, and secure networking.
Android, Java, Kotlin, React Native, TypeScript, React, JavaScript, Python, PostgreSQ, AWS, ECS, S3, CloudFront, Redux Toolkit, USB Serial, RS232, USB, UART, ArrayBuffers, Uint8Array, Axios, JWT, TLS, JSI, UVC Cameras, Gyroscopes, Accelerometer
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2w
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Java Engineering Intern - Fall 2026
Santa Clara, California, United States
$20-$71/hr OnsiteFull Time, Internship
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
Currently enrolled in a Masters or PhD in Data Science, Machine Learning, or Computer Science. Strong Java/JVM software development, algorithms, benchmarking, and experience with NoSQL tools (Lucene, Elasticsearch, OpenSearch, MongoDB, Solr).
cuVS, NVIDIA CUDA, Java, C++, JVM, Lucene, JVector, OpenSearch, Solr, MongoDB, Elasticsearch, Milvus, Pinecone, LanceDB
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19h
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Lead Software Engineer - Java Backend
Seattle or Palo Alto
$152k-$215k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years professional software engineering experience; proficiency with Java, Scala, or Python; system design, testing, operational stability, CI/CD and experience with production data/streaming systems.
Java, Scala, Python, Flink, Spark, Feast, CI/CD
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23h
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Senior Full Stack Developer, Java or Ruby on Rails
Mountain View, California, United States
$176k-$270k/yr HybridFull Time
Omnissa
Omnissa: Provides AI-driven digital workspace and endpoint management software solutions.
8+ YOE8+ years development experience, strong full-stack skills with Ruby on Rails or Java/J2EE, SQL databases, REST APIs, TDD, CI, cloud/DevOps familiarity; Bachelor's degree preferred.
Ruby on Rails, Java, J2EE, Postgres, SQL Server, HTML, CSS, JavaScript, jQuery, Spring, RESTful APIs, PKI, SSL, Azure, Amazon Web Services (AWS), Jira, Stash, Bamboo, Jenkins, Cucumber, Active Directory, LDAP, PHP, Django, Express, Horizon Cloud Services, App Volumes Manager, App Volumes
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2w
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Java Engineering Intern - Fall 2026
Santa Clara, California, United States
$20-$71/hr OnsiteFull Time, Internship
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
Currently enrolled in a Masters or PhD in Data Science, Machine Learning, or Computer Science; strong algorithms and mathematical fundamentals; excellent Java/JVM development, debugging, and performance-analysis skills; experience with Lucene/Elasticsearch/OpenSearch/MongoDB/Solr; good communication. GPU/CUDA/C++ skills a plus.
cuVS, NVIDIA CUDA, Java, C++, JVM, Lucene, JVector, Elasticsearch, OpenSearch, MongoDB, Solr, Milvus, Pinecone, LanceDB, HPC, Cloud, GPU
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1mo
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Staff Software Engineer (C#/Java/AI) - Underwriting Automation - Hybrid
Bethesda or Richardson or Palo Alto
$110k-$230k/yr HybridFull Time
GEICO
GEICO: Provides vehicle and property insurance services to consumers.
8+ YOEAPI-first design, microservices, full-stack development, cloud deployments; 8+ years; Java, .NET/C#, Python; Kubernetes and cloud experience.
Java, C#, Python, GraphQL, gRPC, Kafka, Docker, Kubernetes, SQL, NoSQL, MySQL, PostgreSQL, Cosmos, Cassandra, Trino
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1w
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Senior Backend Engineer - Core Java & Systems Integration
San Carlos, California, United States
$122k-$150k/yr OnsiteFull Time
Clear Labs
Clear Labs: Automated next-generation sequencing platform for diagnostics and food safety.
5+ YOE5+ years backend experience, expert Java/Spring Boot, GCP/GKE and message brokers (RabbitMQ/Cloud Pub/Sub), MySQL/Redis, strong testing (JUnit/Mockito/TestContainers); US work authorization and 100% on-site San Carlos required.
Java, Spring Boot, Google Kubernetes Engine (GKE), GCP, RabbitMQ, Cloud Pub/Sub, MySQL, Redis, JUnit, Mockito, TestContainers, Python, TypeScript
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