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

Gensler

Designer - Interiors - Mid Level

Newport Beach, CA · On-site

$85K - $120K/yr

Collaborate on interiors projects, including programming client needs, concept design, schematic design, design development, and manage budget/schedule reviews * Develop space planning concepts and ...

VSolvit

SOFTWARE DEVELOPER (C++, C#, .NET)

Norco, CA · On-site

$90K - $110K/yr

While mid-level experience is preferred, we are open to candidates with strong foundational skills ... Apply object-oriented programming principles, multi-threading, concurrency, and task-based ...

Marvell

Mid-Level Electronics Lab Technician

Irvine, CA

$20.50 - $27/hr

Collaborate with engineers on debugging, testing, and process improvements Lab Maintenance * Ensure lab cleanliness, organization, and safety compliance * Perform preventative maintenance and ...

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

As of May 30, 2026, the average hourly pay for mid level java developer in Corona, CA is $59.37, according to ZipRecruiter salary data. Most workers in this role earn between $51.83 and $67.69 per hour, depending on experience, location, and employer.

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 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.
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Mid Level Instrumentation and Controls Engineer

Mid Level Instrumentation and Controls Engineer

Carollo Engineers Inc.

Costa Mesa, CA • On-site

$120K - $160K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 20 days ago

Job description

Overview
Carollo Engineers is a leading engineering firm dedicated exclusively to water. For over 90 years, we've specialized in the planning, design, and construction of water, wastewater, stormwater, and reuse facilities, bringing innovative and sustainable solutions to the water sector's most complex challenges.
We work with water agencies, municipalities, utilities, research organizations, and private companies across various industries, including technology, manufacturing, and beyond. These clients choose Carollo because we employ some of the most knowledgeable and experienced professionals in the world. When you join our team, you'll work alongside industry leaders who are advancing the science of water, protecting public health, and building resilient communities.
Carollo's vision is to be the best water consulting firm and the best place for you to build your career. If you're passionate about making a difference in this critical field, we invite you to explore a career with Carollo.
Responsibilities
  • Works with project manager and clients
  • Develops scopes of work for I&C systems, networks and projects
  • Leads I&C design teams for medium and large projects
  • Designs PLC SCADA networks for medium and large systems
  • Specifies industrial fiber optic networks, systems and components
  • Designs SCADA network block diagrams
  • Selects instrumentation
  • Develops P&IDs
  • Develops control strategies
  • Designs control panel layouts
  • Prepares ISA data sheets and instrument sites
  • Develops input/output point lists
  • Reviews submittals
  • Prepares specifications for instruments, computers, networking equipment, PLCs and associated components
  • Develops preliminary and final construction cost estimates for I&C
  • Meets with clients for design-related workshops, including instrument preferences, HMI graphics design and standard development
  • Designs radio telemetry SCADA systems using microwave, spread spectrum, licensed MAS, cellular or other radio technologies
  • Mentors and trains Staff Instrumentation Engineers
  • Prepares technical memorandums and reports
  • Manages the instrumentation portion of medium to large sized instrumentation and control projects for water and wastewater treatment facilities
  • Conducts quality management reviews of instrumentation and control designs
  • Participates in continuing editing and development of I&C master specifications
  • Develops project specific specifications for unusual or unique instrumentation applications
  • Prioritizes and balances competing project demands and conflicting project requirements
  • Manages other instrumentation and control engineers and CADD technicians to effectively complete work with attention to detail
  • Delegates tasks to others and follows ups on completion and quality of work
  • Identifies and consults with others on solutions to unusual, difficult, or complex tasks
  • Effectively participates in client contacts and business development efforts
  • Identifies alternatives, evaluates each, and determines appropriate actions to move forward
  • Makes solid and implementable decisions in a timely manner
  • Reduces complex aspects of instrumentation and control engineering to terms understandable to others
  • Attends to details in preparation or review of calculations, drawings, and specifications
  • Monitors scope, schedule, and budget and controls the work to the project plan
  • Understands, implements, and enforces company and client technical standards on projects
  • Travel required when requested
  • Makes site visits to observe during construction and operation

Qualifications
  • Bachelor's degree in Electrical Engineering, Instrumentation and Control Engineering, Mechanical Engineering or Chemical Engineering
  • 6-12 years experience in electrical power and control systems for water, wastewater, and petrochemical facilities
  • Capable of 480 VAC designs, detailed conduit routing, P&IDs, load studies, power distribution, lighting and process control, short circuit studies, single line diagrams, elementary diagrams, MCC layouts, electrical specifications, logic diagrams, control schematics, assist in field construction and start-up activities
  • Registration as a Professional Engineer or the ability to obtain within six months.

Preferred Qualifications
  • Master's degree in Electrical Engineering, Instrumentation and Control Engineering, Mechanical Engineering or Chemical Engineering

Compensation Range
$120,000 to $160,000 annually. This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. We may ultimately pay more or less than the posted range, and the range may be modified in the future. An employee's pay within the salary range will be based on several factors including, but limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.
Other Compensation and Benefits
Carollo is committed to providing employees with a competitive, comprehensive benefits program that provides the support employees and their families need to lead healthy, productive lives. Carollo's benefits package includes paid time off and holidays, comprehensive health insurance coverage, pre-tax savings account options for healthcare, dependent care and commuter expenses, disability insurance and life insurance options for you and your dependents. We also offer free Caregiver Support, Travel Assistance, counseling services, discount programs, and a Lifestyle Reimbursement Account. Other compensation that may be available includes: 401(k) company contribution matching, tuition reimbursement, discretionary bonuses, career advancement bonuses, professional registration bonuses, employee referral bonuses, and compensatory time for exempt employees. Flexible work arrangements may also be available. Eligibility for benefits varies based on employment status.
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