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Senior Java Engineer Jobs in Mechanicsburg, PA (NOW HIRING)

Apexon

Senior Java Developer

Mechanicsburg, PA · On-site

$54.25 - $69.25/hr

Senior Java Developer Location: Mechanicsburg, PA Position: 55 Role Overview: We are seeking experienced Senior Java Developers to support the development and enhancement of enterprise web ...

eTeam

Senior Java Developer

Mechanicsburg, PA · On-site

$54.25 - $69.25/hr

Job Summary : eTeam is a company seeking a Senior Java Developer. The role involves java coding and development for web applications, as well as providing technical support and guidance to the team.

Dellfor Technologies

senior java developer

Harrisburg, PA

$56.50 - $72/hr

Competence in using Java IDE tools of Eclipse, GGTS, Rational Application Developer (RAD), WebSphere Application Developer (WSAD) and Web Logic Workshop to develop dynamic web applications. Good ...

Sonsoft Inc

Senior Java Developer

Harrisburg, PA

$56.50 - $72/hr

Exp. with Object-Oriented Programming (OOPS). Required 10 Years * Experience with Java/J2EE. Required 10 Years * Experience with Database (Oracle/DB2/SQLServer). Required 10 Years * Experience with ...

Avani Technology Solutions, Inc.

Java Developer

Harrisburg, PA · On-site

$50.25 - $65.25/hr

Financial Industry Experience SOA (Service Oriented Architecture) PHEAA would like senior level candidates for this role. Client is looking for at least 2 Java Developers to join their team. These ...

SmartIPlace

Senior DevSecOps Engineer

Harrisburg, PA · On-site

$55 - $60/hr

Required skills * 5+ years AWS security automation and DevOps. * Strong with AWS CDK and ... Able to read Java and C# to integrate and tune SAST/SCA. * Practical knowledge of CJIS and NIST 800 ...

Nüvitek

Senior Application Developer

Mechanicsburg, PA · On-site

$125K - $135K/yr

Senior Application Developer Application Deadline: 20 September 2026 Department: Software ... Experience with C#, Java, JavaScript, PowerShell, JSON, XML/XSD, and WSDL. * Experience developing ...

New

Nüvitek

Senior Application Developer

Mechanicsburg, PA · Hybrid

$125K - $135K/yr

Nüvitek is seeking a Senior Application Developer to provide senior-level software development ... Experience with C#, Java, JavaScript, PowerShell, JSON, XML/XSD, and WSDL. * Experience developing ...

New

*Cummins Business

Software Developer 2

Lemoyne, PA · On-site

Senior Software DeveloperLocation: [Specify Location or Remote]Employment Type: Full-TimeAbout the ... Proficiency in programming languages such as [e.g., Python, Java, JavaScript, C#, etc.].Experience ...

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Senior Java Engineer information

See Mechanicsburg, PA salary details

$10

$59

$81

How much do senior java engineer jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for senior java engineer in Mechanicsburg, PA is $59.55, according to ZipRecruiter salary data. Most workers in this role earn between $52.16 and $66.54 per hour, depending on experience, location, and employer.

What is a senior Java engineer?

Senior Java Engineers are experienced software developers who specialize in designing, developing, and maintaining applications using the Java programming language. They often lead development teams, architect solutions, and ensure that software meets both technical and business requirements. Their responsibilities also include code reviews, mentoring junior developers, and optimizing application performance. Typically, they have several years of experience and a deep understanding of Java frameworks and best practices.

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

To thrive as a Senior Java Engineer, you need advanced proficiency in Java programming, strong knowledge of software design patterns, and a degree in computer science or related field. Experience with frameworks like Spring, Hibernate, build tools such as Maven or Gradle, and familiarity with cloud platforms and CI/CD systems are typically required. Excellent problem-solving abilities, leadership, and effective communication help you guide teams and collaborate with stakeholders. These skills are crucial for delivering robust, scalable software solutions and mentoring junior engineers in complex development environments.

What are some common challenges senior Java engineers face when working on large-scale enterprise applications?

Senior Java Engineers often encounter challenges such as managing complex codebases, ensuring application scalability, and maintaining high performance under heavy loads. They are also responsible for implementing robust security practices and integrating new technologies without disrupting existing systems. Effective collaboration with cross-functional teams and mentoring junior developers are crucial aspects of the role, as these responsibilities help maintain code quality and project momentum.

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

AspectSenior Java EngineerJava Developer
Required CredentialsBachelor's in Computer Science, Java certifications (e.g., Oracle Certified Professional)Bachelor's in Computer Science or related field, Java certifications optional
Work EnvironmentDesigning, developing, and maintaining complex Java applications, often in team leadership rolesDeveloping Java applications, focusing on coding and implementation
Industry UsageUsed across finance, tech, and enterprise sectors for large-scale projectsCommonly employed in software development firms, startups, and tech companies

While both roles involve Java programming, Senior Java Engineers typically handle complex system design, mentorship, and project leadership, whereas Java Developers focus more on coding and implementing features. The senior role often requires more experience and certifications, with a broader scope of responsibilities.

What cities near Mechanicsburg, PA are hiring for Senior Java Engineer jobs?

Cities near Mechanicsburg, PA with the most Senior Java Engineer job openings:

Senior Java Engineer jobs near you
Infographic showing various Senior Java Engineer job openings in Mechanicsburg, PA as of August 2026, with employment types broken down into 88% Full Time, 7% Part Time, and 5% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $123,859 per year, or $59.5 per hour.

Senior Java Developer

Apexon

Mechanicsburg, PA • On-site

$54.25 - $69.25/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

Job description

About Apexon:
Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation.
Apexon brings together distinct core competencies in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering, and UX, along with deep expertise in BFSI, healthcare, and life sciences, helping businesses capitalize on the unlimited opportunities digital offers.
Our reputation is built on a comprehensive suite of engineering services, a dedication to solving clients' toughest technology problems, and a commitment to continuous improvement. Backed by Goldman Sachs Asset Management and Everstone Capital, Apexon has a global presence across four continents.
We enable #HumanFirstDIGITAL
We are hiring for a Senior Java Developer (IES Experience) opportunity.
Role: Senior Java Developer
Location: Mechanicsburg, PA
Position: 55
Role Overview:
We are seeking experienced Senior Java Developers to support the development and enhancement of enterprise web applications for a large-scale Integrated Eligibility System (IES) project. The ideal candidate will have strong experience in Java and J2EE development, object-oriented design, relational databases, and enterprise application development. This role requires hands-on coding, complex SQL development, root cause analysis, and collaboration with cross-functional teams in an enterprise environment.
Key Responsibilities:
• Develop, enhance, and maintain enterprise Java web applications
• Write efficient, complex SQL queries for data retrieval and analysis
• Perform root cause analysis and resolve application defects and production issues
• Design and implement scalable application components following object-oriented design principles
• Develop batch processing jobs and web services to support business operations
• Collaborate with architects, business analysts, QA teams, and fellow developers throughout the software development lifecycle
• Participate in code reviews and ensure adherence to coding standards and best practices
• Support application deployment, maintenance, and performance optimization
• Create technical documentation and provide implementation support when required
Required Skills:
• 3+ years of experience in Java 6.0 and J2EE application development
• Strong experience with JSP, Custom Tag Libraries, JavaScript, Session EJBs, and JDBC
• Experience using Java IDEs such as IBM Rational Application Developer (RAD) 7.5 or later
• Strong understanding of Object-Oriented Analysis and Design (OOAD)
• Experience implementing Singleton, Factory, and DAO design patterns
• Solid understanding of MVC architecture
• Experience developing batch jobs and web services
• Experience with IBM WebSphere Application Server 8.0
• Strong experience writing SQL queries using DB2 and Oracle databases
• Excellent analytical, troubleshooting, and problem-solving skills
Preferred Skills:
• Experience working on Integrated Eligibility Systems (IES) projects
• Experience with WebSphere Application Server running on SUSE Linux 11 in VMware environments
• Experience supporting large-scale government or public sector applications
• Familiarity with enterprise application performance tuning and optimization
• Strong communication and collaboration skills
• Experience working in Agile development environments
Education Requirement:
Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field preferred.
Our Commitment to Diversity & Inclusion:
Did you know that Apexon has been Certified™ by Great Place To Work® in multiple global regions? Apexon is committed to being an equal opportunity employer and promoting diversity in the workplace. We take affirmative action to ensure equal employment opportunity for all qualified individuals. Apexon strictly prohibits discrimination and harassment of any kind and provides equal employment opportunities to employees and applicants without regard to gender, race, color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any other characteristic protected by law.
Our Commitment to Environment:
Actively contribute to Apexon's commitment to environmental responsibility by following sustainable practices and supporting ESG initiatives.
Our Perks and Benefits:
Our benefits and rewards program has been thoughtfully designed to recognize your skills and contributions, elevate your learning experience, and provide care and support for you and your loved ones.
We also offer:
• Health Insurance with Dental & Vision
• 401K Plan
• Life Insurance, STD & LTD
• Paid Vacations & Holidays
• Continuous Skill Based Development and Career Advancement Opportunities

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