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Contract Java Developer Startup Jobs in Dublin, CA

Kasmo Global

Fullstack Java Engineer

San Francisco, CA · On-site

$61.75 - $79.75/hr

Fullstack Java Engineer We are looking for a highly skilled and experienced Fullstack Java Engineer to join our team on a 6-12 month contract, working with our client Sephora in San Francisco, CA.

SonSoft

Java / J2EE Developer

San Francisco, CA · On-site

$60 - $77.75/hr

Java / J2EE Developer SonSoft is an IT Staffing and Consulting Firm and duly organized under the ... This is a contract position. Only US Citizen, Green Card Holder, GC-EAD, H4-EAD, L2-EAD, OPT-EAD ...

InterSources

Java Backend Developer

San Jose, CA · On-site

$59.25 - $76.75/hr

Java Backend Developer Location: San Jose, CA | Hybrid Hire Type ... Contract * Core Java, Springboot, Git, CI/CD pipeline, JUnit and ORACLE. * Responsible for ...

Adept solutions

Java Developer

San Francisco, CA

$60 - $77.75/hr

... contracts. Requirement: Should have good communication and convincing skills. Should have the ability to handle multiple requirements, deliver results and handle pressure. Excellent negotiation ...

krg technology inc

Java Developer

San Jose, CA

$59.75 - $77.25/hr

Contract The role is responsible for the execution of the Global and North America Critical Incident Management processes (key) and supporting the transition to the Problem Management processes. This ...

Droisys

Sr. Java Engineer/ Software Engineer

San Jose, CA · On-site

$146K - $192K/yr

... current contract openings. Kindly send me your updated resume along with the below mentioned ... Project Worked Local candidate as F2F is must Position : Sr. Java Developer Location: San Jose, CA ...

My3Tech Inc

JAVA Backend Engineer

San Francisco, CA · On-site

$59.50 - $77.25/hr

Java Backend Engineer Location: SFO, CA Duration: 6+ months Contract (With Likely Extension) Responsibilities: Candidate must be advanced in problem solving skills using advanced algorithms.

VBeyond

Java Full Stack Developer

San Jose, CA · On-site

$61.50 - $79.50/hr

Contract Key Responsibilities: * Design develop and maintain scalable web applications using React Frontend and JavaPython Backend * Build and optimize RESTful APIs and microservicesbased ...

Yantran LLC

Azure Expert (Java Specialist)

Oakland, CA · On-site

$58.50 - $75.75/hr

Azure Expert (Java Specialist) Contract Location : Candidate should be local to below locations and ... Collaborate with DevOps teams to implement CI/CD pipelines for Java based workloads. Troubleshoot ...

Donato Technologies Inc

Java Lead

Moraga, CA

$60/hr

W2 Contract * Experience: 10 Years Job Summary * Experience in implementing and integrating AI models, including Large Language Models (LLMs), into applications. * Google SDK * Strong Java Engineers ...

Sonsoft Inc

Java / J2EE Developer

San Francisco, CA

$60 - $77.75/hr

At least 4 years of hands on experience in Java/J2EE technologies - Java, J2EE (including ... This is a contract position. * Only US Citizen , Green Card Holder , GC-EAD , H4-EAD , L2-EAD, OPT ...

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All JobsContract Java Developer Startup JobsContract Java Developer Startup Jobs in Dublin, CA

Contract Java Developer Startup information

See Dublin, CA salary details

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$87

How much do contract java developer startup jobs pay per hour?

As of Jun 28, 2026, the average hourly pay for contract java developer startup in Dublin, CA is $63.85, according to ZipRecruiter salary data. Most workers in this role earn between $55.24 and $71.49 per hour, depending on experience, location, and employer.

What are some common challenges Contract Java Developers face when working at startups, and how can they prepare for them?

Contract Java Developers at startups often face fast-paced environments with shifting priorities and limited documentation. Adapting quickly to new codebases, collaborating with small, cross-functional teams, and managing ambiguity are frequent challenges. To prepare, developers should brush up on agile methodologies, familiarize themselves with popular Java frameworks, and be proactive in communicating with stakeholders. Demonstrating flexibility and strong problem-solving skills will help ensure a successful contract period.

What are the key skills and qualifications needed to thrive as a Contract Java Developer at a startup, and why are they important?

To excel as a Contract Java Developer in a startup environment, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development lifecycles, usually supported by relevant experience or a computer science degree. Familiarity with frameworks like Spring Boot, version control systems (e.g., Git), build tools (e.g., Maven or Gradle), and cloud platforms is often required. Outstanding problem-solving ability, adaptability, and clear communication skills help you collaborate effectively and respond to rapidly changing project needs. These skills and qualities enable you to deliver robust, scalable solutions quickly and efficiently, which is critical in the fast-paced, resource-constrained startup setting.

What does a Contract Java Developer do at a startup?

A Contract Java Developer at a startup is responsible for designing, developing, and maintaining Java-based applications on a temporary basis, usually to help accelerate specific projects or fill short-term talent gaps. They often work on building scalable backend systems, integrating APIs, and ensuring the product can rapidly evolve as the startup grows. Their work may also involve troubleshooting, optimizing performance, and collaborating closely with other developers, designers, and product managers. Because startups are fast-paced environments, contract developers are expected to adapt quickly and deliver results within tight deadlines.

What is the difference between Contract Java Developer Startup vs Contract Java Developer Enterprise?

AspectContract Java Developer StartupContract Java Developer Enterprise
CredentialsJava certification, relevant experienceJava certification, relevant experience
Work EnvironmentFast-paced, innovative, small teamsStructured, larger teams, formal processes
Employer & IndustryStartups, tech, e-commerceLarge corporations, finance, healthcare
Search & Comparison IntentYesYes

The main difference between a Contract Java Developer Startup and a Contract Java Developer Enterprise lies in the work environment and company size. Startups typically offer a dynamic, fast-paced setting with smaller teams, while enterprises provide a more structured environment with larger teams and formal processes. Both roles require similar credentials and are sought after by companies in different industry sectors.

What are popular job titles related to Contract Java Developer Startup jobs in Dublin, CA? For Contract Java Developer Startup jobs in Dublin, CA, the most frequently searched job titles are:
What job categories do people searching Contract Java Developer Startup jobs in Dublin, CA look for? The top searched job categories for Contract Java Developer Startup jobs in Dublin, CA are:
What cities near Dublin, CA are hiring for Contract Java Developer Startup jobs? Cities near Dublin, CA with the most Contract Java Developer Startup job openings:
Contract Java Developer Startup jobs near you

Java Full Stack Developer (React & Spring Boot Microservices)

MphasiS Corporation USA

San Leandro, CA • On-site

$58 - $75/hr

Other

Posted 4 hours ago

Job description

Title: Java Full Stack Developer (React & Spring Boot Microservices)

Location: San Leandro, CA

Duration: Long Term Contract

In-person Interview Must

We are seeking a highly skilled Full Stack Java Developer with a strong frontend focus on React and deep expertise in Spring Boot based microservices. The ideal candidate will design, develop, and maintain scalable, highperformance web applications and RESTful services for enterprise-grade platforms, particularly within regulated or highavailability environments.

Key Responsibilities

Frontend (React Strong Focus)

  • Design and develop modern, responsive Single Page Applications (SPAs) using React (Hooks, Context API, Redux)
  • Build reusable, modular UI components using JavaScript/TypeScript, HTML5, CSS3
  • Integrate frontend applications with backend APIs using REST/JSON
  • Optimize UI performance using lazy loading, code splitting, and efficient state management
  • Collaborate with UX/UI designers to translate wireframes into high-quality user experiences

Backend (Java & Spring Boot Microservices)

  • Design and develop Spring Boot microservices following RESTful and microservices architecture principles
  • Implement business logic using Java (8/11/17+), Spring MVC, Spring Data JPA/Hibernate
  • Build secure APIs with OAuth2, JWT, and role-based access controls
  • Ensure high availability, scalability, and fault tolerance using resilient design patterns
  • Integrate with relational and NoSQL databases (PostgreSQL, Oracle, MySQL, MongoDB)

DevOps & Engineering Practices

  • Write unit and integration tests using JUnit, Mockito, Jest, Enzyme
  • Participate in CI/CD pipelines using Maven, Jenkins, GitHub/GitLab, Azure DevOps
  • Containerize and deploy services using Docker and Kubernetes (preferred)
  • Work in Agile/Scrum teams, contributing to design reviews, code reviews, and sprint ceremonies

Required Skills

  • Strong proficiency in React (v16+ / v18 preferred)
  • Solid backend development experience with Java and Spring Boot microservices
  • REST API design and integration expertise
  • Experience with SQL and ORM frameworks (JPA/Hibernate)
  • Hands-on experience with Git, build tools, and CI/CD pipelines
  • Strong problem-solving and communication skills

Nice to Have

  • Experience with Kafka or event-driven architectures
  • Cloud experience on AWS, Azure, or Google Cloud Platform
  • Exposure to Micro-frontend architecture
  • Banking, Financial Services, or other regulated domain experience

Apply