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Mid Level Java Developer Jobs in Hercules, CA (NOW HIRING)

360 IT Professionals

Full stack Java developer

San Ramon, CA · On-site

$58.75 - $75.75/hr

We use Objective C and Swift programming languages to create native applications for iPhone ... level support. Technical Expertise: Strong knowledge of Object Oriented Analysis and Design ...

Jobsbridge

Mid level Scrum Master

Oakland, CA

$59.25 - $79/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. REQUIRED SKILLS/EXPERIENCE: Experience playing the Scrum Master role for at ...

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All JobsMid Level Java Developer JobsMid Level Java Developer Jobs in Hercules, CA

Mid Level Java Developer information

See Hercules, CA salary details

$45

$63

$76

How much do mid level java developer jobs pay per hour?

As of Jul 10, 2026, the average hourly pay for mid level java developer in Hercules, CA is $63.54, according to ZipRecruiter salary data. Most workers in this role earn between $55.48 and $72.45 per hour, depending on experience, location, and employer.

What does a typical workday look like for a Mid Level Java Developer?

As a Mid Level Java Developer, your typical workday often involves writing and testing Java code, troubleshooting existing applications, and participating in code reviews. You'll collaborate closely with other developers, QA engineers, and sometimes product managers in agile sprints to ensure features are delivered according to requirements. Daily stand-up meetings are common, as is the use of tools like Jira for tracking tasks. You may also spend time learning new frameworks or best practices, which helps with both personal growth and contributing to more efficient software solutions.

What is a Mid Level Java Developer job?

A Mid Level Java Developer is responsible for designing, developing, and maintaining Java-based applications. They typically have 2-5 years of experience and work on coding, debugging, and optimizing software solutions. They collaborate with teams, follow best coding practices, and may mentor junior developers. Their role involves understanding project requirements, integrating APIs, and ensuring application performance. Mid Level Java Developers contribute to both backend and frontend development, depending on the project needs.

What are the key skills and qualifications needed to thrive in the Mid Level Java Developer position, and why are they important?

Successful Mid Level Java Developers possess a solid understanding of Java programming, object-oriented design, and commonly used frameworks such as Spring or Hibernate, typically backed by a relevant degree and professional experience. Familiarity with tools like Git, Maven, popular IDEs (e.g., IntelliJ IDEA or Eclipse), and certifications like Oracle Certified Professional Java Programmer (OCPJP) are advantageous. Strong collaboration, problem-solving abilities, and effective communication skills help developers work efficiently within agile teams and cross-functional projects. Mastering both technical and soft skills ensures smooth project delivery, maintainable code quality, and productive teamwork in dynamic software development environments.

What cities near Hercules, CA are hiring for Mid Level Java Developer jobs? Cities near Hercules, CA with the most Mid Level Java Developer job openings:
Mid Level Java Developer jobs near you
Mid-level Environmental Engineer

Mid-level Environmental Engineer

GSI Environmental Inc.

Emeryville, CA • On-site

$90K - $115K/yr

Full-time

Re-posted 5 days ago

Job description

If you're looking for a fast-paced and dynamic work environment where you can apply your academic know-how, develop superior technical skills, and collaborate with top-notch industry professionals on a variety of exciting environmental projects, then GSI Environmental is the place for you!
At GSI, we seek the best and brightest talent and provide a supportive environment for career development. Our company culture is built on excellent service, teamwork, and technical collaboration to solve the most challenging environmental problems. We have an immediate opening for a mid-level Environmental Engineer in our Emeryville, California office. Come join our team! To apply, visit: https://www.gsienv.com/careers/
Responsibilities:
  • Support the design of assessment programs and remedial options for site cleanup, as well as environmental due diligence, regulatory compliance, and permitting activities.
  • Oversee ongoing operation, maintenance, and monitoring of remediation/mitigations systems (e.g., soil vapor extraction, active/passive vapor intrusion mitigation systems).
  • Scope, coordinate, and manage fieldwork to support environmental assessment, remediation, and restoration projects.
  • Develop and track project budgets.
  • Prepare high-quality technical presentations, reports, letters, plans, and proposals with minimal senior GSI staff oversight.
  • Regularly interact with senior GSI staff, clients, and regulators to communicate project status.
  • Coordinate with vendors, subcontractors, and analytical laboratories and independently perform subcontractor oversight.
  • Manage, analyze, and interpret environmental data using statistical and data visualization tools.
  • Perform and oversee production and QA/QC of data tables, maps, reports, and other work products.
  • Independently perform research tasks with input from senior staff and technical experts.
  • Assist in management and training of junior-level technical staff.
  • Contribute to a team atmosphere through collaboration with technical experts, project managers, colleagues, and subcontractors.

  • A Bachelor's degree or higher in Environmental Engineering, or related field is required; a Master's degree is preferred.
  • Between 7 and 15 years of relevant professional work experience is preferred.
  • Engineer in Training (EIT) certification is required; however, Professional Engineer (PE) certification is preferred.
  • Required skills and qualifications include:
    • Experience with data management, database and office software, and data analysis
    • Excellent organizational, verbal, and written communication
    • Ability to manage multiple tasks and organize complex datasets
    • Ability to work independently and as part of a team
    • Valid driver's license and clear driving record, ability to pass a standard background check and pre-employment drug screen
    • Ability to travel domestically
    • Additional preferred skillsets and qualifications include:
    • Working knowledge of state and federal environmental cleanup regulations is preferred
    • 40-hour OSHA HAZWOPER certification

Job Perks:
  • Competitive salary and benefits
  • Quarterly and year-end bonuses
  • Flexible work environment with potential for remote work
  • On-the-job training, mentorship, and professional development
  • Participation in conferences, technical presentations, and papers
  • Collaborative atmosphere

The salary for this position will fall within the posted range, with the exact amount determined by the candidate's education, relevant degree, related experience, and overall qualifications.

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