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Java Software Engineer Jobs in Bellevue, WA (NOW HIRING)

GenScript/ProBio

Senior Java Engineer

Redmond, WA · On-site

$140K - $170K/yr

Architect and develop mission-critical Java software for next-generation automated instruments ... Requires Bachelor's degree in Computer Science, Computer Science & Engineering, Software ...

Palnar

Sr. Java SDET Engineer@ Seattle, WA

Seattle, WA · On-site

Job Role: Sr. Java SDET Engineer Location: Seattle, WA Duration: Long Term Contract Required Skills, * Strong proficiency in Java development. * Hands-on experience with test automation frameworks ...

3MD Inc.

Java/AWS Software Engineer III

Redmond, WA · On-site

$131.04K - $151.84K/yr

Java-AWS Software Engineer III will have expert knowledge in Java service development. This role requires a deep understanding of process threading, asynchronous execution methodologies, and a proven ...

New

DevSelect

Sr. Software Engineer (Java)

Seattle, WA

$142.30K - $187.20K/yr

Type: Sr. Software Engineer (Java) Location: Seattle, WA Openings: 1 Type: Long-term Contract Summary Do you have a passion for developing highly scalable, highly available software that provides key ...

DevSelect

Sr. Software Engineer (Java)

Seattle, WA · On-site

$142.30K - $187.20K/yr

Type: Sr. Software Engineer (Java) Location: Seattle, WA Openings: 1 Type: Long-term Contract Summary Do you have a passion for developing highly scalable, highly available software that provides key ...

3MD Inc.

Java-AWS Software Engineer II

Redmond, WA · On-site

$114.40K - $130K/yr

Java-AWS Software Engineer II will have knowledge in Java service development. This role requires a deep understanding of process threading, asynchronous execution methodologies, and a proven track ...

New

GenScript/ProBio

Senior Java Engineer

Redmond, WA

$140K - $170K/yr

Architect and develop mission-critical Java software for next-generation automated instruments ... Requires Bachelor's degree in Computer Science, Computer Science & Engineering, Software ...

GenScript/ProBio

Senior Java Engineer

Redmond, WA · On-site

$140K - $170K/yr

Architect and develop mission-critical Java software for next-generation automated instruments ... Requires Bachelor's degree in Computer Science, Computer Science & Engineering, Software ...

TriOptus LLC

Java Engineer

Seattle, WA · On-site

$59 - $80.75/hr

Our client is seeking a Sr Level Java engineer for engineering and delivery microservices and API ... Software Engineer Background Check : No Drug Screen : No

TriOptus LLC

Java Engineer

Seattle, WA · On-site

$59 - $80.75/hr

Our client is seeking a Sr Level Java engineer for engineering and delivery microservices and API ... Software Engineer Background Check : No Drug Screen : No

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All JobsJava Software Engineer JobsJava Software Engineer Jobs in Bellevue, WA

Java Software Engineer information

See Bellevue, WA salary details

$29

$67

$95

How much do java software engineer jobs pay per hour?

As of May 30, 2026, the average hourly pay for java software engineer in Bellevue, WA is $67.82, according to ZipRecruiter salary data. Most workers in this role earn between $55.87 and $76.63 per hour, depending on experience, location, and employer.

What Does a Java Software Engineer Do?

A Java software engineer designs and develops computer applications using the Java programming language. In this job, you work with web developers and other software engineers to integrate java software into online platforms or other types of computer software. You are present for the entire development lifecycle, from design through quality testing. Your other duties may include documenting the programming code for other users or developers and writing reports to management or department heads. Java engineers work in large teams, so you must be able to collaborate with many people to complete a project.

What are the key skills and qualifications needed to thrive as a Java Software Engineer, and why are they important?

To thrive as a Java Software Engineer, you need strong programming skills in Java, a solid understanding of object-oriented design, and typically a degree in computer science or a related field. Familiarity with development tools such as Eclipse or IntelliJ IDEA, version control systems like Git, and frameworks such as Spring or Hibernate is often required. Analytical thinking, problem-solving abilities, and effective teamwork distinguish high-performing individuals in this role. These skills ensure the efficient design, development, and maintenance of robust software applications in collaborative and dynamic technical environments.

What are some typical challenges Java Software Engineers face when working on large-scale enterprise applications?

Java Software Engineers working on large-scale enterprise applications often encounter challenges such as managing complex codebases, ensuring high performance under heavy loads, and maintaining backward compatibility during system upgrades. Collaborating with cross-functional teams, like QA and DevOps, to streamline deployments and resolve integration issues is common. Additionally, keeping up with evolving frameworks and best practices is important for maintaining code quality and system reliability.

What is the difference between Java Software Engineer vs Java Developer?

AspectJava Software EngineerJava Developer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science, Java certifications
Work EnvironmentDesigning, developing, and testing Java applicationsWriting, debugging, and maintaining Java code
Employer & Industry UsageTech companies, software firms, enterprise solutionsStartups, software companies, freelance projects
Common Search & ComparisonOften compared for roles involving system design and architectureFocused on coding and implementation tasks

While both roles require similar skills and certifications, Java Software Engineers typically focus on designing and architecting Java applications, whereas Java Developers primarily concentrate on coding and maintaining Java programs. The choice depends on the project scope and career focus.

More about Java Software Engineer jobs
What are the most commonly searched types of Java Software Engineer jobs in Bellevue, WA? The most popular types of Java Software Engineer jobs in Bellevue, WA are:
What are popular job titles related to Java Software Engineer jobs in Bellevue, WA? For Java Software Engineer jobs in Bellevue, WA, the most frequently searched job titles are:
What job categories do people searching Java Software Engineer jobs in Bellevue, WA look for? The top searched job categories for Java Software Engineer jobs in Bellevue, WA are:
What cities near Bellevue, WA are hiring for Java Software Engineer jobs? Cities near Bellevue, WA with the most Java Software Engineer job openings:
Java Software Engineer jobs near you
Infographic showing various Java Software Engineer job openings in Bellevue, WA as of May 2026, with employment types broken down into 86% Full Time, 12% Part Time, and 2% Contract. Highlights an 79% Physical, 1% Hybrid, and 20% Remote job distribution, with an average salary of $141,063 per year, or $67.8 per hour.

Senior Java Engineer

GenScript/ProBio

Redmond, WA • On-site

$140K - $170K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 13 days ago

Job description

Description:

Architect and develop mission-critical Java software for next-generation automated instruments, enabling precise control of microcontrollers, valves, sensors, and pressure regulators. Own the full-stack software infrastructure, from low-level hardware communication (USB/SPI/serial) and embedded firmware integration to GUI design, data pipelines, and database management, ensuring reliability for end-user scientists.

Responsibilities:

  1. Java-Centric Development:
  2. Lead high-level Java development for instrument control, including multi-threaded applications, GUI frameworks (JavaFX/Swing), and hardware abstraction layers.
    • Modernize legacy Java codebases while maintaining backward compatibility with embedded systems (custom controller PCB based on industry standard microcontroller).
  3. Hardware Integration:
    • Interface with microcontrollers, sensors, and actuators via protocols (SPI/I2C/serial) and real-time messaging systems.
    • Debug and optimize low-level communication between software and hardware components.
  4. Database & Systems Management:
    • Design and maintain relational databases for instrument metadata, experiment logs, and process analytics.
    • Implement data analysis pipelines (Python/Java) for real-time monitoring, post-processing analysis and process optimization.
  5. Technical Leadership:
    • Act as SME for software architecture: document APIs, enforce good design practices, and mentor junior engineers if needed.
    • Drive CI/CD pipelines, version control (Mercurial/Git), and automated testing frameworks.

Onsite Requirement: This is a fully onsite role due to the hands-on nature of instrument control, hardware integration, and close collaboration with engineering and scientific teams.

Qualifications:

Requires Bachelor's degree in Computer Science, Computer Science & Engineering, Software Engineering, Electrical Engineering or a related Engineering field.

Experience: 6-8 years in Java development for instrumentation/robotics/embedded systems (or equivalent).

Technical Skills:

Java Expertise: Core Java, multi-threading, JavaFX/Swing, Maven, NetBeans.

Hardware Protocols: USB, Serial, SPI, I2C (hands-on debugging).

Bonus: Python scripting, Qt/GUI frameworks, embedded firmware (C/C++).

Soft Skills & Culture Fit:

"Product mindset": Balance technical rigor with end-user needs (scientists' workflows).

Communicate complex ideas clearly to both engineers and non-technical stakeholders.

Autonomy: Self-driven in ambiguous, R&D-paced environments.

Benefit:

  • Medical Insurance/ Vision Insurance/ Dental Insurance
  • 401(k) & Retirement Savings Plan (RSP)
  • Short Term Disability Insurance
  • New Child Leave
  • Paid Time Off
  • Paid Company Holidays per year
  • Paid Sick Days (earned based on hours worked)
  • Compassionate Leave
  • Jury Duty Leave
  • Float day
  • Personal days

Perks: 

  • Free colleague meals during shift
  • Onsite massages Charis
  • Onsite gyms

Compensation:
Salary range: $140,000 - $170,000 total compensation, including bonus, depending on experience and qualifications.

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