Information Technology - Developer-Full Stack Senior

Job#: 2084190

Job Description:

Senior Full Stack Developer

Job Summary

A leading financial industry organization is seeking a highly skilled Senior Full Stack Developer to join its technology team. This role involves modernizing and scaling enterprise-grade applications that support financial modeling and research. The ideal candidate will have deep expertise in Java-based microservices, cloud-native development, and modern front-end frameworks, with a strong focus on performance, reliability, and clean architecture.

Responsibilities

• Migrate Spring Boot Java microservices from OpenShift (OCP) to AWS EKS.
• Upgrade legacy services from JDK 1.8 to JDK 17.
• Design, develop, test, and support applications within the financial modeling and research division.
• Conduct performance and stress testing to ensure system scalability and reliability.
• Participate in release processes and maintain technical documentation.
• Address technical debt and resolve defects to maintain high code quality.
• Write clean, robust, and testable code backed by automated unit and integration tests.
• Collaborate with cross-functional teams across infrastructure and application layers.
• Assist with infrastructure upgrades and adoption of emerging technologies.

Basic Qualifications

• 5-7 years of experience in software design, development, integration, and testing using J2EE technologies.
• Strong background in Java frameworks: Spring Boot, Spring Cloud, Hibernate.
• Experience building cloud-native applications and microservices.
• Proficiency in RESTful and SOAP-based web services.
• Hands-on experience with Angular (or React JS), jQuery, and Material Design.
• Familiarity with ActiveMQ, Kafka, and Apigee API Management.
• Experience with CI/CD tools: Jenkins, Gradle/Maven, Git, Docker.
• Solid understanding of AWS services, especially EKS.
• Experience with relational databases (Postgres, MySQL, DB2) and non-relational databases (MongoDB, DynamoDB, Redis).
• Strong knowledge of application, data, and architecture design patterns.
• Experience writing automated unit tests using JUnit and Mockito.

Preferred Skills

• Bachelor's degree in Computer Science or related field.
• Excellent problem-solving, analytical, and technical skills.
• Ability to adapt quickly to new environments and technologies.
• Strong communication skills and ability to work with diverse teams.
• Experience with Atlassian tools (JIRA, Bitbucket).
• Familiarity with performance, regression, and acceptance testing.
• Ability to work effectively under tight deadlines and continuous change.

Why Join Us

• Be part of a finance industry leader driving innovation in financial modeling and research.
• Work on cutting-edge cloud technologies and scalable architectures.
• Collaborate with a team of passionate engineers and domain experts.
• Enjoy a flexible work environment with opportunities for professional growth.

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.