Senior Java Developer with ReactJS

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 with ReactJS opportunity.

Role: Senior Java Developer with ReactJS

Location: Mechanicsburg, PA / Lake Mary, FL

Position: Multiple

Work Arrangement: Hybrid / Onsite (depending on project requirements)

Role Overview

We are seeking experienced Java Developers with practical experience in ReactJS to develop and maintain enterprise applications. The ideal candidates will have strong knowledge of Core Java, object oriented programming, Spring Boot, REST APIs, and modern frontend development using ReactJS.

The role involves developing backend services, building responsive user interfaces, integrating APIs, working with relational databases, and participating in application testing, deployment, and maintenance activities.

Required Skills

• 3+ years of professional Java development experience.
• Strong knowledge of Core Java and object oriented programming concepts.
• Practical experience with ReactJS and modern JavaScript.
• Experience building and consuming REST APIs.
• Familiarity with SQL and relational databases.
• Working knowledge of Git and software testing practices.
• Strong communication and problem solving skills.

Preferred Skills

• Java: Core Java, OOP, collections, and exception handling.
• Backend: Spring Boot, REST APIs, and microservices.
• Frontend: ReactJS, JavaScript (ES6+), HTML5, and CSS3.
• Databases: SQL and relational databases such as DB2.
• Testing: Unit testing and API testing.
• Tools: SVN and JIRA.

Key Responsibilities

• Develop and maintain backend services using Java.
• Develop and maintain frontend user interfaces using ReactJS.
• Build responsive and user friendly interfaces using ReactJS, JavaScript, HTML, and CSS.
• Design, develop, and integrate REST APIs.
• Work with relational databases to query and manage application data.
• Write unit and integration tests.
• Troubleshoot and resolve application defects.
• Participate in code reviews, technical discussions, and Agile team activities.
• Document technical solutions and support application releases.

Expected Deliverables

• Production ready Java/Spring Boot services and ReactJS features aligned with agreed requirements.
• Well documented REST APIs and integrations.
• Unit and integration tests, with defects addressed before release.
• Code changes reviewed, version controlled, and aligned with team standards.
• Technical documentation for implemented features and key design decisions.
• Release support and timely resolution of issues related to delivered work.

Education Requirement

Bachelor's degree in Computer Science, Information Technology, Engineering, Business Administration, or a related field is preferred.

Our Commitment to Diversity & Inclusion

Did you know that Apexon has been Certified by Great Place To Work, the global authority on workplace culture, in each of the four regions in which it operates: USA for the seventh time in 2026, India for the tenth consecutive time in 2026, the UK for the fourth time in 2026, and Mexico for the second time in 2026.

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 all qualified individuals without regard to gender, race, color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any other applicable characteristics protected by law.

You can read about our Job Applicant Privacy policy here: Job Applicant Privacy Policy on apexon.com.

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

Job Location :

Mechanicsburg, Pennsylvania, United States

Please Note: Apexon never asks candidates to make payments at any stage of the hiring process, including interviews, offer letters, training or background verification. If you receive suspicious recruitment communications or payment requests from individuals claiming to represent Apexon, do not make any payment and report the communication to alert@apexon.com.

All genuine openings are listed on our official Careers page.