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Contract Java Developer Startup Jobs in Vallejo, CA

Techno Talent Inc.

Java OMS Developer

San Ramon, CA · On-site

$56.75 - $73.50/hr

San Ramon, CA Duration: Long Term Contract * 8+ years of Java Development experience * Strong experience with Order Management Systems (OMS) - Any OMS platform is acceptable * Java, Spring Boot ...

New

Avalon Staffing

GE Java Developers

San Ramon, CA · On-site

$57 - $73.75/hr

... Java programming languages Technical Skills and Experiences: Strong knowledge of OOD, software ... Contract Management software is a big plus Experience working with Agile software development ...

Kanak Elite Services Inc

Java Backend Developer

Oakland, CA · On-site

$58 - $75.25/hr

Contract until April 2026 local candidates are required!! We're looking for a strong Java Backend Developer to join a long-term project. Candidates must have hands-on experience with Java, Docker ...

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 ...

Donato Technologies Inc

Java Lead

Moraga, CA · On-site

$60/hr

... 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 · On-site

$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 ...

Sonsoft Inc

Java / J2EE Developer

San Francisco, CA · On-site

$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 ...

Donato Technologies, Inc.

Java Lead

Moraga, CA · On-site

$60/hr

... 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 ...

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

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 Jul 29, 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 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 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:
Contract Java Developer Startup jobs near you
Infographic showing various Contract Java Developer Startup job openings in Vallejo, CA as of July 2026, with employment types broken down into 61% Full Time, 20% Part Time, 2% Temporary, and 17% Contract. Highlights an 78% Physical, 3% Hybrid, and 19% Remote job distribution, with an average salary of $133,067 per year, or $64 per hour.

Sr. Java Developer - Contract

krg technology inc

Walnut Creek, CA

$63.50 - $80.75/hr

Contractor

Re-posted 28 days ago

Job description

Job Description

Sr. Java Developer - Contract

Job Description :

v Drive the design, development and implementation of the core of our Java / J2EE technology platform and web services.

v Own key architectural decisions and design considerations

v Own the adoption of new tools and technology

v Interface with clients to discover, troubleshoot and resolve issues and recommend product enhancements

v Lead projects and exert technical influence over multiple teams, increasing their productivity and effectiveness by sharing your deep knowledge and experience

Must Have Skills:

v Excellent Java coding skills

v Experience in payments or high transactional systems

v Significant experience managing, troubleshooting and working on Linux and other Unix-like operating systems

v Experience mentoring / developing an engineering community on complex technical issues

Additional Information

Mandatory Skills : SME in Core Java, Web services, Linux/Unix, Payment Gateway, Banking/Financial/Insurance/E-commerce Domain Experience must.

KRG Technologies logo

About KRG Technologies

Sourced by ZipRecruiter

KRG Technologies was founded with a simple motive of offering the clients exactly what they want, how they want and when they want. By leveraging for its clients its technological edge and right-sourcing advantage, KRG in a short period of time has grown to become one of the most trusted strategic technology partners. Treating every client as the top priority, we customize our solutions and services to align with the unique needs of each client. Headquartered in Valencia, California, KRG employs a unique global delivery platform to minister its offerings spanning from application development and maintenance to business process reengineering. With years of hands-on domain experience and international presence, we offer state-of-the-art solutions backed by our follow-the-sun service model in the most cost effective manner. We value our clientele for the trust reposed in us and our clientele admire us for our personalized approach and deep commitment to their success. Our biggest strength lies in technical expertise of our team and individual competency of our employees, which enables us to be the most befitting solution provider.

Industry

It services

Company size

201 - 500 Employees

Headquarters location

Valencia, CA, US

Year founded

2003

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