Developer-Full Stack Senior

Job#: 3030938 Job Description: We are hiring Developer – Full Stack Senior! Role: Developer – Full Stack Senior Supporting: Large Financial Services Client Location: McLean, VA (Onsite) Assignment Type: Contract Only Duration: Approx. 1 Year Role Overview: We’re seeking a highly skilled Senior Full Stack Developer to join a fast-paced, collaborative engineering team building modern, cloud‑native applications. This is a hands-on role for an experienced developer who enjoys working across the full technology stack—from designing robust backend services in Java to delivering polished, scalable front-end experiences using Angular. You’ll play a key role in driving quality, performance, and automation while contributing to solutions that are built to scale. Key Responsibilities: • Design, develop, and maintain full stack web applications using Java (17/21), Spring Boot (3.x/4.x), and Angular (19.x). • Build and enhance REST and SOAP-based services with a focus on performance, scalability, and reliability. • Develop and maintain automated test suites, including end-to-end testing using Playwright. • Write clean, well-structured, and maintainable code following TDD and BDD best practices. • Optimize SQL queries and data access layers to ensure efficient system performance. • Package and deploy services using Docker and support cloud-based environments (AWS/Kubernetes). • Collaborate closely with cross-functional teams in an Agile development environment. • Participate in code reviews, CI/CD pipelines, and static code analysis remediation efforts. • Contribute to modern architecture patterns and messaging solutions (e.g., microservices, JMS). Qualifications: • Bachelor’s degree in Computer Science, Information Technology, or a related discipline (or equivalent experience). • 5–8 years of professional software development experience (preference for closer to 8 years). • Strong expertise in Java 17 and 21, Spring Boot 3.x/4.x, and modern Spring frameworks. • Solid front-end development experience with Angular (19.x preferred). • Experience with test automation frameworks such as Playwright (Java preferred; TypeScript acceptable). • Proficient in SQL with hands-on experience writing and optimizing queries. • Experience with CI/CD tools and development technologies such as Git, Jenkins, Maven, JUnit, Docker, and Kubernetes. • Familiarity with cloud-native development, infrastructure automation, and DevOps practices. • Strong analytical, problem-solving, and communication skills. • Self-starter who is organized, collaborative, and able to manage multiple priorities effectively. • Experience with Agile methodologies preferred; mortgage industry knowledge is a plus. Compensation and Benefits: The pay rate for this position is between $55.00 and $72.54 per hour. Please note that the final rate may be contingent on experience and other factors. This employer is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. Apex uses a virtual recruiter as part of the application process. Click here for more details. 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 Benefits Department at [email protected] or 804-523-8228. 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 uses a virtual recruiter as part of the application process. Click here for more details. 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. 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 uses a virtual recruiter as part of the application process. Click here for more details. 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. Apex Systems is part of the Commercial Segment of ASGN Incorporated. NYSE: ASGN 4400 Cox Road Suite 200 Glen Allen, Virginia 23060 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 Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Apex Systems.