Senior Java Developer

Company 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, and our deep expertise in BFSI, healthcare, and life sciences – to help 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 now has a global presence of 15 offices (and 10 delivery centers) across four continents. We enable #HumanFirstDigital Job Summary: We are seeking a highly skilled Senior Java Developer with strong experience in migrating legacy systems, refactoring complex codebases, and building robust integration solutions. You will play a key role in transforming critical business applications from older architectures to modern, maintainable, and scalable platforms. Key Responsibilities: - Analyze, understand, and document the architecture and functionality of legacy Java applications. - Design and implement strategies to migrate legacy systems to modern Java-based architectures. - Refactor existing code to improve performance, maintainability, and scalability while preserving functionality. - Develop and maintain integration solutions between internal and external systems using Java and related technologies. - Write and maintain comprehensive unit, integration, and regression tests to ensure system reliability post-migration. - Collaborate closely with business analysts, architects, QA, and DevOps teams to ensure successful delivery. - Utilize best practices for coding standards, code reviews, and documentation. - Troubleshoot and resolve complex technical issues across environments. - Mentor junior developers and promote knowledge sharing within the team. Required Skills & Qualifications: - 6–8 years of professional experience in Java (preferably Java 8 and above). - Strong understanding of object-oriented programming and design patterns. - Hands-on experience with legacy Java frameworks (e.g., Struts, Spring MVC, Hibernate) and transitioning to modern stacks (e.g., Spring Boot, Spring Data). - Experience with refactoring large monolithic applications to microservices is a plus. - Proven expertise in writing unit tests and integration tests using JUnit, TestNG, Mockito, etc. - Strong knowledge of RESTful APIs, SOAP services, and integration patterns. - Experience with relational databases (Oracle, MySQL, PostgreSQL). - Familiarity with CI/CD pipelines and version control (Git). - Knowledge of messaging systems (e.g., JMS, Kafka) is a plus. - Good problem-solving skills and the ability to work independently or in a team environment. Preferred Qualifications: - Experience working in Agile/Scrum environments. - Exposure to cloud technologies (AWS, Azure, GCP) is advantageous. - Strong communication and interpersonal skills. ?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 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 applicable characteristics protected by law. You can read about our Job Applicant Privacy policy here Job Applicant Privacy Policy (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/upskilling experience and provide care and support for you and your loved ones. As an Apexon Associate, you get continuous skill-based development, opportunities for career advancement, and access to comprehensive health and well-being benefits and assistance. We also offer: oGroup Health Insurance covering family of 4 o Term Insurance and Accident Insurance o Paid Holidays & Earned Leaves o Paid Parental LeaveoLearning & Career Development o Employee Wellness Job Location : Bengaluru, India Disclaimer : If you feel that this is a good match for your skillsets, please submit a current word version of your resume along with a cover letter describing your skills, experience and salary expectations. We are an Equal Opportunity Employer (EOE). You can read our job applicant privacy policy here . Disclaimer --> If you feel that this is a good match for your skillsets - please send a current word version of your resume along with a cover letter describing your skills, experience and salary expectations. We are an Equal Opportunity Employer (EOE) --> Disclaimer: If you feel that this is a good match for your skillsets, please submit a current word version of your resume along with a cover letter describing your skills, experience and salary expectations. We are an Equal Opportunity Employer (EOE). You can read our job applicant privacy policy here . --> Disclaimer: If you feel that this is a good match for your skillsets, please submit a current word version of your resume along with a cover letter describing your skills, experience and salary expectations. We are an Equal Opportunity Employer (EOE). You can read our job applicant privacy policy here . -->