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Contract Java Developer Startup Jobs in Vallejo, CA

Adidev Technologies Inc

iOS Developer

San Francisco, CA

$30 - $40/hr

Java - 1-2 Years * Kotlin - 1-2 Years * Android SDK * Google Play Store Deployment iOS Developer ... W2 or 1099 Contract Compensation * W2 Salary: $60,000 - $85,000 annually * 1099 Contract: $30-$40 ...

Adidev Technologies Inc

iOS Developer

San Francisco, CA · On-site

$30 - $40/hr

Java - 1-2 Years * Kotlin - 1-2 Years * Android SDK * Google Play Store Deployment iOS Developer ... W2 or 1099 Contract Compensation * W2 Salary: $60,000 - $85,000 annually * 1099 Contract: $30-$40 ...

Mercor

Software Developer

San Francisco, CA · Remote

$25 - $30/hr

Contract Compensation: $25-$30/hour Location: Remote Commitment: 40 hours/week Role ... Build and ship full-stack applications, services, and internal tools in Python , Java , Rust , C# ...

Boxtro Llp 123

Backend Engineer

San Francisco, CA · On-site

Koding is a developer-focused startup based in San Francisco's SOMA district. Our core product is ... Java, NodeJS, PHP, C, C++, Perl, Python...the list goes on! You can experiment with installing ...

Centstone

Lead Apigee Developer

Concord, CA · On-site

Contract Work Type: Onsite Role Overview We are seeking a highly skilled Lead Apigee Developer to ... A strong background in Java/J2EE, Spring Boot, and Microservices is highly preferred. Key ...

Boxtro Llp 123

Head of Engineering

San Francisco, CA · On-site

Koding is a developer-focused startup based in San Francisco's SOMA district. Our core product is ... Java, NodeJS, PHP, C, C++, Perl, Python...the list goes on! You can experiment with installing ...

Retell AI

Contract Recruiter

San Francisco, CA · Remote

$45/hr

This role is ideal for someone who thrives in fast-paced startup environments, can independently ... You\'ll play a critical role in helping Retell attract world-class talent across engineering ...

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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 Aug 15, 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?

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 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:

Contract Java Developer Startup jobs near you
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.

iOS Developer

Adidev Technologies Inc

San Francisco, CA

$30 - $40/hr

Full-time

Re-posted 19 days ago

Job description

Mobile Application Developer (iOS / Android)  
 
Adidev Technologies Inc.
Website: www.adidevtechnologies.com
Work Authorization 
We are currently considering only U.S. Citizens, Green Card holders, and EAD holders for this opportunity.
About the Role
Adidev Technologies Inc. is actively hiring Entry-Level and Mid-Level iOS and Android Developers with 1–2 years of hands-on experience. We are looking for passionate mobile developers who are eager to build innovative applications and work with Fortune 500 clients on exciting long-term projects.
Candidates must be open to relocation based on project requirements. Client assignments typically range from 6 to 18 months. If you're looking to accelerate your career, work on enterprise-scale applications, and grow alongside an experienced engineering team, we'd love to hear from you.
What You'll Do

  • Design, develop, enhance, and maintain native mobile applications.

  • Debug and optimize large-scale enterprise applications.

  • Collaborate with cross-functional teams, including designers, QA, and backend developers.

  • Write clean, maintainable, and scalable code following industry best practices.

  • Participate in code reviews and contribute to continuous improvement initiatives.

  • Deliver high-quality solutions in an Agile development environment.


Android Developer Requirements
Required Skills

  • 1–2 years of experience with Java and Kotlin

  • Experience developing and publishing at least one application on the Google Play Store

  • Strong understanding of the Android SDK and different Android versions

  • Experience with RESTful APIs and backend integration

  • Knowledge of offline storage, multithreading, and performance optimization

  • Familiarity with Git and version control systems

  • Understanding of Android UI guidelines and responsive layouts

  • Strong analytical, problem-solving, and communication skills

Required Experience

  • Java – 1–2 Years

  • Kotlin – 1–2 Years

  • Android SDK

  • Google Play Store Deployment


iOS Developer Requirements
Required Skills

  • 1–2 years of experience with Swift and Objective-C

  • Strong knowledge of iOS SDK and Cocoa Touch

  • Experience with Core Data, Core Animation, and Apple frameworks

  • Understanding of MVC and other design patterns

  • Experience integrating RESTful APIs and third-party SDKs

  • Knowledge of Push Notifications, Bluetooth, Keychain, and Cloud Messaging

  • Experience with offline storage, multithreading, and performance optimization

  • Familiarity with Git or other version control tools

  • Understanding of Apple's Human Interface Guidelines

  • Excellent communication and teamwork skills

Required Experience

  • Swift – 1–2 Years

  • Objective-C – 1–2 Years

  • iOS SDK

  • Apple App Store Deployment


Why Join Adidev Technologies?

  • Competitive Salary Package

  • Paid Relocation Assistance

  • Long-Term Client Projects

  • Remote Support

  • Regular Performance & Salary Reviews

  • Career Growth Opportunities

  • Collaborative and Learning-Focused Environment


Employment Type

  • Full-Time (40 Hours/Week)

  • W2 or 1099 Contract

Compensation

  • W2 Salary: $60,000 – $85,000 annually

  • 1099 Contract: $30–$40/hour

Compensation is based on experience, technical skills, and overall qualifications.
Apply Today!
 
If you're passionate about mobile development and looking to work on cutting-edge applications with leading clients, we'd love to hear from you. Join Adidev Technologies Inc. and take the next step in your software engineering career.

Employment Type: FULL_TIME

Apply