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Backend Engineer Java Jobs in Wisconsin (NOW HIRING)

ETC

IT Developer - Mobile Apps

Middleton, WI · On-site

... back-end data sources, cloud, and RESTful web service APIs • Work with product and design teams ... Java / Java SDK • JavaScript / Typescript • SwiftUI, Android Jetpack • Angular, Node.js, ...

UnitedHealth Group

Senior Software Engineer

Wausau, WI · Remote

$131K - $173K/yr

This position is ideal for an engineer who possesses a strong backend data background combined with ... Proficiency with Java, .NET, React UI and modern frontend development practices * Proven ability to ...

UnitedHealth Group

Senior Software Engineer

Wausau, WI · On-site

$131K - $173K/yr

This position is ideal for an engineer who possesses a strong backend data background combined with ... Proficiency with Java, .NET, React UI and modern front-end development practices * Proven ability ...

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Backend Engineer Java information

What does a backend engineer Java do?

A Backend Engineer Java is responsible for developing and maintaining the server-side logic, databases, and application programming interfaces (APIs) using the Java programming language. They ensure that the backend of web applications or software systems is efficient, secure, and scalable. Their work often involves collaborating with frontend developers, designing system architecture, and optimizing performance to handle large volumes of user requests. Backend Java engineers often use frameworks such as Spring or Hibernate and work with databases like MySQL or PostgreSQL.

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

AspectBackend Engineer JavaBackend Developer Java
Primary FocusDesigning, developing, and maintaining server-side applications and systemsImplementing and coding backend functionalities based on specifications
ResponsibilitiesSystem architecture, performance optimization, API developmentWriting code, debugging, integrating databases
Skills & CertificationsJava, Spring, REST APIs, SQL, cloud platformsJava, Spring, SQL, version control, testing tools
Work EnvironmentCollaborative teams, project planning, architecture designCode implementation, debugging, feature development

Both roles require Java expertise and similar certifications, but Backend Engineer Java typically involves higher-level system design and architecture responsibilities, while Backend Developer Java focuses more on coding and implementing features. Employers often see these roles as complementary within software development teams.

What are the key skills and qualifications needed to thrive as a backend engineer Java?

To thrive as a Backend Engineer Java, you need a solid understanding of Java programming, data structures, algorithms, and experience with backend frameworks, typically supported by a relevant degree or industry experience. Familiarity with tools and technologies such as Spring Boot, RESTful APIs, relational databases, and build systems like Maven or Gradle is commonly required. Problem-solving ability, teamwork, and effective communication are crucial soft skills for excelling in collaborative and fast-paced development environments. These combined skills ensure robust, scalable backend systems that meet business needs and integrate smoothly within larger software architectures.

How does a backend engineer Java typically collaborate with frontend developers and other stakeholders in a project?

As a Backend Engineer Java, you will regularly collaborate with frontend developers to ensure seamless integration between server-side logic and user interfaces. This often involves participating in design discussions, clarifying API requirements, and troubleshooting integration issues. You’ll also engage with product managers, QA engineers, and sometimes DevOps teams to align on project goals, timelines, and deployment strategies. Effective communication is key to translating business requirements into reliable backend solutions and maintaining smooth workflows across the team.
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Backend Engineer Java jobs near you

Android Software Engineer

CyberCoders

Cottage Grove, WI • On-site

Full-time

Medical, Retirement, PTO

Posted 23 days ago

Job description

Android Software Engineer

Android Software Engineer
Position Overview
We are seeking a motivated Android Software Engineer to design, build, and maintain high-quality Android applications and SDKs. The ideal candidate will be proficient in Kotlin and Java, experienced with the Android SDK, and comfortable delivering production-ready apps to Google Play. You will collaborate with product, design, and backend teams to implement features, ensure performance and reliability, and iterate quickly based on user feedback. Experience with Jetpack components, MVVM architecture, RESTful APIs, and fitness or wearable integrations is a strong plus.
Key Responsibilities

  • Design, implement, and maintain Android applications and embedded SDKs using Kotlin and Java.
  • Translate product requirements and design specs into robust, maintainable code following Android best practices.
  • Architect and implement features using Jetpack libraries and MVVM (or similar) architectures to ensure modularity and testability.
  • Integrate with RESTful APIs and backend services, handling networking, data caching, and offline scenarios.
  • Write unit and instrumentation tests to ensure code quality and reduce regressions; participate in code reviews.
  • Support the app lifecycle on Google Play: build, sign, test, release, and monitor app health and user metrics.
  • Optimize app performance, memory usage, and battery consumption across a range of devices.
  • Collaborate with UX/UI designers, product managers, and QA engineers to deliver polished user experiences.
  • Maintain and evolve internal SDKs for partner integrations and third-party developers.
  • Investigate and resolve production issues using logging, crash reporting, and analytics tools.

Qualifications

  • Bachelors degree in Computer Science or related field, or equivalent practical experience.
  • 3+ years of professional Android development experience using Kotlin and Java.
  • Strong knowledge of the Android SDK, application lifecycle, views, and system services.
  • Experience building apps with Jetpack components (e.g., ViewModel, LiveData, Room, Navigation) and applying MVVM or similar architectures.
  • Proven experience integrating with RESTful APIs and handling networking (e.g., Retrofit, OkHttp) and data persistence.
  • Familiar with Google Play distribution, app signing, and release workflows.
  • Solid testing practices, including unit tests and instrumentation/UI tests (e.g., JUnit, Espresso).
  • Familiarity with version control (Git), CI/CD pipelines, code review processes, and agile methodologies.
  • Strong debugging skills and experience using analytics and crash-reporting tools to diagnose issues.
  • Nice-to-have: experience in fitness or wearable domains, building SDKs for third-party use, or working with sensor data and fitness APIs.

Benefits

  • Competitive compensation
  • Health benefits
  • 401k
  • PTO
  • Strong growth/advancement opportunities
  • Product discounts
  • Wellness programs
  • Much more!
- For this position, you must be currently authorized to work in the United States without the need for sponsorship for a non-immigrant visa. This job was first posted by CyberCoders on 07/20/2026 and applications will be accepted on an ongoing basis until the position is filled or closed.Everforth CyberCoders is proud to be an Equal Opportunity Employer
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity or expression, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, status as a crime victim, disability, protected veteran status, or any other characteristic protected by law. Our hiring process includes AI screening for keywords and minimum qualifications, and a virtual recruiter as part of the application process. A human recruiter reviews all results. Click here for details on our virtual recruiter . Everforth CyberCoders will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable state and local law, including but not limited to the Los Angeles County Fair Chance Ordinance, the San Francisco Fair Chance Ordinance, and the California Fair Chance Act. Everforth CyberCoders is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. Individuals needing special assistance or an accommodation while seeking employment can contact a member of our Human Resources team at Benefits@CyberCoders.com to make arrangements.
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About CyberCoders

Sourced by ZipRecruiter

CyberCoders is a cutting-edge recruiting firm headquartered in Irvine, CA, US. The company operates within the technology industry, specializing in connecting talented professionals with suitable positions across a variety of sectors. Offering a broad spectrum of services, CyberCoders uses innovative, data-driven strategies and a proprietary matching technology to pair candidates with suitable job openings. Since its inception in 1999, CyberCoders has distinguished itself as an industry trailblazer. The company's mission is to deliver effective talent solutions, thus enabling both businesses and workers to achieve their goals.

Industry

Technology, communication and media

Company size

51 - 200 Employees

Headquarters location

Irvine, CA, US

Year founded

1999

Social media

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