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Contract Java Developer Startup Jobs in Vallejo, CA

Senior Backend Developer (NodeJS)

San Francisco, CA · On-site

$142K - $184K/yr

They are seeking a Senior Backend Developer to architect and build scalable backend services ... • Startup mindset: You thrive in fast-paced, high-ownership environments Company : Dodo is a ...

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... ElasticSearch or Lucene - Experience in a fast-paced/customer-centric agile startup environmentSo ...

Proficiency in programming languages such as Python, Java, or Go * Strong organizational skills and ... Strong problem-solving skills and the ability to work in a fast-paced, dynamic startup environment.

Showing results 21-40

Contract Java Developer Startup information

See Vallejo, CA salary details

$17

$63

$87

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

As of Sep 5, 2026, the average hourly pay for contract java developer startup in Vallejo, CA is $63.97, according to ZipRecruiter salary data. Most workers in this role earn between $55.34 and $71.59 per hour, depending on experience, location, and employer.

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 are the key skills and qualifications needed to thrive as a contract Java developer at a startup?

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 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 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 Vallejo, CA?

For Contract Java Developer Startup jobs in Vallejo, CA, the most frequently searched job titles are:

What job categories do people searching Contract Java Developer Startup jobs in Vallejo, CA look for?

The top searched job categories for Contract Java Developer Startup jobs in Vallejo, CA are:

What cities near Vallejo, CA are hiring for Contract Java Developer Startup jobs?

Cities near Vallejo, CA with the most Contract Java Developer Startup job openings:

Infographic showing various Contract Java Developer Startup job openings in Vallejo, CA as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $133,067 per year, or $64 per hour.

Other

Posted 2 days ago

New


Job description

Job Title: Backend/API Developer

Location: California, US

Contract – W2

Job ID:  102602-133-1

Job Summary: We are seeking a skilled Backend/API Developer with a strong focus on Java Microservices Development. The ideal candidate will possess extensive experience in building robust backend systems using Java, Spring Boot, and modern CI/CD practices. A significant emphasis will be placed on expertise in MongoDB, as this will be critical for the successful execution of our projects. The candidate will play a pivotal role in designing and implementing scalable microservices that meet the needs of our clients.

Responsibilities:

  • Design, develop, and maintain high-performance backend systems using Java and Spring Boot.
  • Implement microservices architecture to enhance system scalability and maintainability.
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Utilize MongoDB for data storage and retrieval, ensuring optimal performance and reliability.
  • Develop and maintain CI/CD pipelines to automate deployment processes.
  • Conduct code reviews and provide constructive feedback to team members.
  • Identify and resolve performance bottlenecks and bugs in the application.
  • Stay updated with emerging technologies and industry trends to continuously improve development practices.

Mandatory Skills:

  • Strong proficiency in Java programming language.
  • Extensive experience in developing microservices using Spring Boot.
  • Proficient in MongoDB, including schema design, indexing, and performance tuning.
  • Solid understanding of RESTful API design and development.
  • Experience with modern CI/CD tools and practices.
  • Strong problem-solving skills and ability to work independently as well as in a team.

Preferred Skills:

  • Familiarity with containerization technologies such as Docker and orchestration tools like Kubernetes.
  • Experience with cloud platforms (e.g., AWS, Azure, Google Cloud Platform) for deploying applications.
  • Knowledge of Agile methodologies and experience working in Agile teams.
  • Understanding of security best practices in API development.

Qualifications:

  • Bachelor's degree in Computer Science, Information Technology, or a related field.
  • Proven track record of successful backend development projects.
  • Strong communication skills, both verbal and written.

Ability to work in a fast-paced environment and manage multiple priorities.