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Junior Java Developer Jobs in Hannibal, MO (NOW HIRING)

Software Engineer

Louisiana, MO · On-site

$80K - $90K/yr

Deep understanding of Core Java (Java 11/17+), JVM internals, memory management, tuning, and ... GitHub Copilot, Claude, Cursor or ChatGPT) - Familiarity with AI directed prompt engineering for ...

Software Engineer

Louisiana, MO · On-site

$70K - $80K/yr

The Software Engineer will work with colleagues to deliver reliable and scalable applications that contribute to keeping first responders in the field safe, efficient, and informed with mission ...

Junior Java Developer information

See Hannibal, MO salary details

$57.6K

$100.9K

$152.1K

How much do junior java developer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for junior java developer in Hannibal, MO is $100,920.00, according to ZipRecruiter salary data. Most workers in this role earn between $71,300.00 and $100,600.00 per year, depending on experience, location, and employer.

What is the difference between Junior Java Developer vs Java Developer?

AspectJunior Java DeveloperJava Developer
Required Experience0-2 years2+ years
CertificationsOptional, entry-level certificationsOptional, advanced certifications
Work EnvironmentSupportive, learning-focused teamsProject-driven, independent roles
ResponsibilitiesAssist in coding, bug fixing, learning frameworksDesign, develop, maintain Java applications

The main difference between a Junior Java Developer and a Java Developer lies in experience, responsibilities, and independence. Junior Java Developers are typically entry-level, focusing on learning and supporting tasks, while Java Developers have more experience and handle complex development projects independently.

What is a junior Java developer?

Junior Java Developers are entry-level software engineers who specialize in building and maintaining applications using the Java programming language. They typically work under the supervision of more experienced developers and are responsible for writing code, debugging, and participating in code reviews. Their tasks may also include testing software, learning new frameworks, and assisting with the design and implementation of features. Junior Java Developers usually have foundational knowledge of Java and related technologies, and they are eager to develop their skills through hands-on experience.

How much do junior Java developers make?

Junior Java developers typically earn between $50,000 and $70,000 annually, depending on location, industry, and experience. Entry-level roles often require knowledge of Java, object-oriented programming, and development tools like Eclipse or IntelliJ IDEA.

What does a junior Java developer do?

Junior Java developers are entry-level programmers who are part of a team of coders and developers. They work on both front-end and back-end codes to build an application. Being a junior Java developer requires extensive knowledge of coding and the program language JavaScript to develop and troubleshoot products. As a junior Java developer, you run tests to pinpoint errors, migrate code and data, and ensure the program is integrated with other company developments.

What are some common challenges a junior Java developer might face during their first year, and how can they overcome them?

Junior Java Developers often encounter challenges such as understanding large codebases, adapting to agile development processes, and managing task priorities. To overcome these hurdles, it’s helpful to proactively seek mentorship from senior developers, regularly review documentation, and participate in code reviews. Effective communication with team members also accelerates learning and helps clarify requirements or technical uncertainties. Embracing continuous learning through online resources and hands-on projects will further strengthen your skills and confidence.

What are the key skills and qualifications needed to thrive as a junior Java developer?

A Junior Java Developer should have a solid understanding of Java programming, object-oriented principles, and basic software development concepts, often supported by a relevant degree or coding bootcamp. Familiarity with tools such as IntelliJ IDEA or Eclipse, version control systems like Git, and frameworks like Spring Boot is typically expected. Strong problem-solving abilities, attention to detail, and effective teamwork are important soft skills in this role. These competencies enable efficient code development, smooth collaboration, and the ability to quickly adapt to new technologies and project requirements.

Is a Junior Java Developer still in demand?

Junior Java Developers remain in demand due to the widespread use of Java in enterprise applications, web development, and Android app creation. Employers seek candidates with foundational Java skills, knowledge of frameworks like Spring, and familiarity with version control tools such as Git. Continuous learning and certifications can enhance job prospects in this field.
What cities near Hannibal, MO are hiring for Junior Java Developer jobs? Cities near Hannibal, MO with the most Junior Java Developer job openings:
Infographic showing various Junior Java Developer job openings in Hannibal, MO as of August 2026, with employment types broken down into 80% Full Time, and 20% Contract. Highlights an 80% In-person, 10% Hybrid, and 10% Remote job distribution, with an average salary of $100,920 per year, or $48.5 per hour.

Senior Mainframe Technical Engineer

Highmark Health

Louisiana, MO • On-site

$94.20 - $151/hr

Other

Posted 3 days ago

New


Highmark Health rating

7.8

Company rating: 7.8 out of 10

Based on 28 frontline employees who took The Breakroom Quiz


Job description

## Senior Mainframe Technical EngineerApplyremote type: Remotelocations: PA, Working at Home - Pennsylvania: MD, Working at Home - Maryland: WA, Working at Home - Washington: NC, Working at Home - N Carolina: LA, Working at Home - Louisianatime type: Full timeposted on: Posted Todayjob requisition id: J282679## **Company :**enGen## **Job Description :****JOB SUMMARY****\*\*\*CANDIDATE MUST BE US Citizen (due to contractual/access requirements)\*\*\*** Highmark seeks a highly motivated Lead IT Infrastructure Engineer/Lead Mainframe Platform Engineer to lead the design, implementation, and maintenance of our critical mainframe systems. This role requires deep expertise in z/OS, DB2, IMS, CICS, MQ, and related technologies, and will involve leading complex projects, troubleshooting critical issues, and mentoring junior engineers. The successful candidate will drive platform improvements, ensure high availability and performance, and champion best practices within a geographically dispersed data center environment. Experience with automation (IBM Systems Automation), diagnostic tools, and disaster recovery planning is essential. This position requires strong collaboration skills and a commitment to fostering a culture of knowledge sharing.**ESSENTIAL RESPONSIBILITIES*** Responsible for one or many of the following tasks: analyzing, designing, coding, testing and implementing technical solutions, as well as providing general production monitoring and support, meeting defined scope, target dates and budgets with minimal or no defects.* Collaborate with stakeholders across IT, product, analytics, and business teams to gather requirements and provide technical solutions that meet organizational needs* Monitor work against production schedule and provide progress updates and report any issues or technical difficulties to leadership on a regular basis.* Document technical processes and procedures, and participate in technical reviews and knowledge sharing sessions* Collaborate on the design and implementation of with architecture to ensure solution alignment to enterprise goals and standards* Mentor other associate and intermediate technical engineers as needed* Perform technical analysis and provide insights to support decision-making across various departments* Stay up-to-date with the latest relevant technologies and industry best practices* Other duties as assigned or requested.**EXPERIENCE****Required*** 5 years of experiences in one or many of the following tasks: analyzing, designing, coding, testing and implementing technical solutions, as well as providing general production support, meeting defined scope, target dates and budgets with minimal or no defects.* 5 years of technical problem solving, solution implementation, team/project collaboration* 5 years of basic computer science concepts and principles, common operating systems, development languages/scripting**Preferred*** Expert level z/OS Mainframe Systems Programming background, including SMPE, DB2, IMS, and CICS.* Experience working with vendors to resolve software and systems issues* Excellent interpersonal, verbal, and written communication skills* Ability to analyze and resolve problems quickly.* Skilled at communicating with all levels of management* Good project management skills* Able to work off-hours and weekends and scheduled, 24x7x365 on-call responsibilities.* Ability to learn quickly and apply highly complex and technical concepts in a highly available environment.* 10 plus years’ experience with IBM z/Series mainframe**SKILLS*** Demonstrated ability to achieve stretch goals in a highly innovative and fast-paced environment* Adaptability: Ability to take on diverse tasks and projects, adapting to the evolving needs of the organization* Analytical Thinking: Strong analytical skills with a focus on detail and accuracy* Interest and ability to learn other technologies as needed* Technical Proficiency: Comfortable with a range of data tools and technologies, with a willingness to learn new skills as needed* Strong track record in designing, implementing, and/or supporting large-scale technical solutions* Strong sense of ownership, urgency, and drive* Demonstrated passion for user experience and improving usability* Team Collaboration: A team player who can work effectively in cross-functional environments* Experience and willingness to mentor junior technical engineers and help develop their skills and leadership**EDUCATION****Required*** Bachelor’s degree in Computer Science, Information Systems, Computer Engineering or related field.**Preferred*** Master's degree in Computer Science, Information Systems, Computer Engineering or related field.**LICENSES or CERTIFICATIONS****Required*** None**Preferred*** Java Developer* DB2* Cogno* PEGA* Enterprise Architect (SCEA)* Project Management**Language (Other than English):**None**Travel Requirement:**0% - 25%**PHYSICAL, MENTAL DEMANDS and WORKING CONDITIONS****Position Type**Remote-basedTeaches / trains othersOccasionallyTravel from the office to various work sites or from site-to-siteRarelyWorks primarily out-of-the office selling products/services (sales employees)NeverPhysical work site requiredNoLifting: up to 10 poundsConstantlyLifting: 10 to 25 poundsOccasionallyLifting: 25 to 50 poundsRarely***Disclaimer:*** *The job description has been designed to indicate the general nature and essential duties and responsibilities of work performed by employees within this job title. It may not contain a comprehensive inventory of all duties, responsibilities, and qualifications required of employees to do this job. **Compliance Requirement**: This job adheres to the ethical and legal standards and behavioral expectations as set forth in the code of business conduct and company policies.* *As a component of job responsibilities, employees may have access to covered information, cardholder data, or other confidential customer information that must be protected at all times. In connection with this, all employees must comply with both the Health Insurance Portability Accountability Act of 1996 (HIPAA) as described in the Notice of Privacy Practices and Privacy Policies and Procedures as well as all data security guidelines established within the Company’s Handbook of Privacy Policies and Practices and Information Security Policy. Furthermore, it is every employee’s responsibility to comply with the company’s Code of Business Conduct. This includes but is not limited to adherence to applicable federal and state laws, rules, and regulations as well as company policies and training requirements.***Pay Range Minimum:**$94,200.00**Pay Range Maximum:**$151,000.00*Base pay is determined by a variety of factors including a candidate’s qualifications, experience, and expected contributions, as well as internal peer equity, market, and business considerations. The displayed salary range does not reflect any geographic differential Highmark may apply for certain locations based upon comparative markets.* #J-18808-Ljbffr

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About Highmark Health

Sourced by ZipRecruiter

A national blended health organization, Highmark Health and our leading businesses support millions of customers with products, services and solutions closely aligned to our mission of creating remarkable health experiences, freeing people to be their best. Headquartered in Pittsburgh, we're regionally focused in Pennsylvania, Delaware, West Virginia, and eastern and northwestern New York with customers in 50 states and the District of Columbia. We passionately serve individual consumers and fellow businesses alike. And our companies cover a diversified spectrum of essential health-related needs including health insurance, health care delivery, population health management, dental solutions, reinsurance solutions, and innovative, technology solutions. Our financial position reflects strength and stability, with our year-end 2022 consolidated revenues totaling $26 billion. And we're proud to carry forth an important legacy of compassionate care and philanthropy that began more than 170 years ago. This tradition of giving back, reinvesting and ensuring that our communities remain strong and healthy is deeply embedded in our culture, informing our decisions every day.

Industry

Health care and social assistance and insurance services

Company size

10,000+ Employees

Headquarters location

Pittsburgh, PA, US