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Senior Java Backend Developer Jobs in Rockford, IL

Maximus

Assoc SW Engineer - Java, Spring Boot, AWS

Dekalb, IL · Remote

$50.75 - $69.75/hr

... or Senior Engineer. As a member of the team Associate Engineer will participate in all phases of ... Java or other OO programming language - Novice - Javascript - Novice - JSP / JSF - Novice - Eclipse ...

Maximus

Assoc SW Engineer - Java, Spring Boot, AWS

Rockford, IL · Remote

$47.50 - $65.25/hr

... or Senior Engineer. As a member of the team Associate Engineer will participate in all phases of ... Java or other OO programming language - Novice - Javascript - Novice - JSP / JSF - Novice - Eclipse ...

Acculynx

Senior Software Engineer

Beloit, WI · On-site

$116.20K - $153.20K/yr

Description: Senior Software Engineer AccuLynx is a fast-growing SaaS provider of business ... frontend, backend and database * Smart and gets things done * Excellent written, verbal and ...

DataAnnotation

Senior Software Engineer

Rockford, IL · Remote

$40 - $75/hr

As a member of DataAnnotation's coding team, you'll be part of a growing community of over 100,000 professionals -- including front-end, back-end, full-stack, machine learning, and other engineers ...

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Senior Java Backend Developer information

See Rockford, IL salary details

$64.1K

$140K

$190.7K

How much do senior java backend developer jobs pay per year?

As of May 31, 2026, the average yearly pay for senior java backend developer in Rockford, IL is $139,954.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,600.00 and $156,600.00 per year, depending on experience, location, and employer.

What is a Senior Java Backend Developer job?

A Senior Java Backend Developer is responsible for designing, implementing, and maintaining the server-side logic of applications using Java. They work with databases, APIs, and cloud services to ensure high performance and scalability. Additionally, they collaborate with front-end developers, DevOps teams, and business stakeholders to deliver robust and secure solutions. Seniors are expected to mentor junior developers and contribute to architectural decisions and best practices.

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

To thrive as a Senior Java Backend Developer, you need deep knowledge of Java, object-oriented design, RESTful APIs, and database systems, typically backed by a degree in computer science or related field and several years of relevant experience. Expertise in frameworks like Spring, ORM tools such as Hibernate, version control systems like Git, and, often, certifications such as Oracle Certified Professional Java Programmer are valued. Strong problem-solving, leadership, and clear communication skills help in mentoring junior developers and collaborating across teams. These competencies ensure robust, scalable backend solutions and effective team coordination in complex software projects.

What are the typical daily responsibilities of a Senior Java Backend Developer?

Senior Java Backend Developers usually spend their days designing and implementing backend components, reviewing code, and optimizing system performance. You may take part in architecture discussions, mentor junior developers, and troubleshoot complex technical issues. Collaboration with front-end developers, QA testers, and project managers is frequent to ensure seamless integration and successful product delivery. Additionally, you might be responsible for maintaining system documentation and keeping up-to-date with new technologies relevant to backend development. Overall, the role combines hands-on coding with leadership and cross-functional teamwork.
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Senior Java Backend Developer jobs near you
Senior Backend PHP Developer

Senior Backend PHP Developer

Data Dimensions

Janesville, WI • On-site, Remote

Full-time

Posted 12 days ago

Job description

Purpose: The Senior Backend PHP Developer participates in all aspects of the design and implementation of sophisticated products, utilizing the latest and most advanced engineering technologies in the industry. These include analysis, specification, development, testing, documentation and deployment, as well as internal peer training, for imaging, workflow, & customized solutions related to new initiatives and enhancements to existing applications.
Essential Duties and Responsibilities:
  • This is a data centric Sr PHP Developer position with strong experience writing complex queries and building RestAPIs. The ideal candidate enjoys solving complex database problems and excels in an enterprise high volume database environment.
  • Utilize your outstanding problem-solving skills and attention-to-detail to participate in the analysis and design of integrated solutions.
  • Assist in the gathering, review and analysis of requirements, both from business users and from teams responsible for other application systems.
  • Participate in code and design reviews and technical presentations to staff.
  • Track and support multiple simultaneous activities.
  • Collaborate with other developers in team projects.
  • Identify and implement appropriate testing strategies.
  • Assist with SQA efforts for development of test methodologies/programs to validate functionality/design of software systems.
  • Identify and drive improvements to current development processes, architectures and infrastructures.
  • Propose framework & opportunities for system enhancements to improve performance and overall user experience.
  • Support changes and enhancements from initial development to product deployment.
  • Handle special projects, as required, to completion.
  • Continuously exhibit outstanding written and verbal communication skills.
  • Participate in a self-directed, multi-disciplinary team environment.
  • Actively seek to cross-train fellow engineers.
  • Collaborate with project team members and SQA representatives on all aspects of development, particularly as concerns documentation, customer satisfaction and security requirements.
  • Accurately repair and document changes to applications as assigned.
  • Research new technologies as time permits.
  • Respond to inquiries from internal users and technical support personnel regarding functions and operations of software programs.
  • Required to attend mandatory meetings and trainings, work scheduled overtime with minimal notice, and perform other duties as assigned per business needs.

Qualification Requirements -
To perform the job successfully, an individual should demonstrate the following:
  • Must be at least 18 years of age.
  • Able to read, write and speak English.
  • Successfully pass and maintain acceptable background checks and security clearances.
  • Associate degree from a two-year college or university plus 5 years of related experience or equivalent combination of education and experience required.
  • Knowledge and understanding of computer networking principles.
  • Exceptional communication skills, with the ability to effectively articulate and communicate technical information (verbally and in writing) to the development team.
  • Strong understanding of SDLC tools, techniques, methodologies, and best practices.
  • High sense of ownership of the problems and requests assigned.
  • Focus on managing and resolving issues in alignment with SLAs.
  • 5 plus years of experience in Object Oriented Programming and RestAPI development.
  • 5 plus years of PHP experience.
  • 5 plus years of experience in MySQL (Aurora) and MongoDB (DocumentDB).
  • Strong ORM experience in Doctrine or Eloquent including converting SQL to DBAL.
  • Comfortable working with relational and NoSQL databases, including writing optimized queries, and solving complex data-related issues.
  • Experience in query writing for data analysis and reporting.
  • Experience in Symfony or Laravel frameworks.
  • Experience working with version control and CI/CD deployments .
  • Comfortable working with Docker development environments.
  • Comfortable working in JetBrians IDEs.
  • Strong verbal and written communication skills.

Certificates and Licenses:
  • No certificates or licenses needed.

Computer Skills:
  • Must have knowledge of and work experience with Microsoft Office tools (Word, Excel, Outlook, Teams), as well as with one or more of the items in each of the following categories:
    • Client-Server Development:
      • Microsoft Windows (for Windows applications, services, or Web services).
      • Linux Ubuntu (for Sever/local applications, and Web services)
    • Languages:
      • JavaScript, PHP, Python
    • Preferred Skills:
      • SCRUM Development Methodology.
      • Familiarity with agile development methodologies.
      • MySQL (Aurora), MongoDB (DocumentDB).
      • Experience with advanced database optimization techniques.
      • Familiarity with cloud-based database solutions and architecture.
      • Knowledge of additional programming languages or frameworks.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.

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