Sr Java Developer – Req 26-03301

About the role

About Client: The client is a closed-end investment company that specializes in providing direct equity capital, mezzanine, and senior secured loans to middle-market companies. It typically targets companies in industries such as business services, chemicals, consumer products, financial services, healthcare, manufacturing, media, and telecommunications. The client aims to provide capital to middle-market companies for various purposes, including growth capital, acquisitions, recapitalizations, and refinancing. It typically invests in the form of debt or equity securities. Overall, the client plays a significant role in providing capital to middle-market companies, thereby supporting their growth and expansion initiatives while offering investors the opportunity to participate in the potential returns generated by these investments.

Rate Range: $60-$68/Hr

Job Description:

• We are seeking an experienced Senior Java Developer with strong expertise in Core Java, Spring Boot, Microservices, and Cloud technologies.
• The ideal candidate will have hands-on experience in designing, developing, and optimizing enterprise-level applications with a focus on scalability, performance, and security. Responsibilities:
• Design, develop, and maintain Java-based applications using Spring Framework, Spring Boot, and Microservices.
• Review peers code and ensure adherence to best practices, clean coding standards, and performance optimization.
• Implement efficient data structures, collections, and concurrency mechanisms.
• Work with large datasets, optimize memory usage, and handle file processing at scale.
• Ensure security and compliance when integrating external libraries and APIs.
• Collaborate with database teams to design queries, optimize performance, and integrate SQL/NoSQL databases.
• Contribute to cloud-native application development using AWS, Kubernetes, and serverless (Lambda).
• Participate in Agile/Scrum ceremonies and support production systems as needed. Required Skills:
• Strong proficiency in Core Java, Multithreading, Collections, and JVM internals (GC, deadlocks, memory management).
• Hands-on experience with Spring Boot, REST APIs, and Microservices architecture.
• Solid understanding of data structures, immutability, concurrency, and thread safety.
• Experience with SQL/NoSQL databases and query optimization.
• Knowledge of cloud platforms (AWS preferred), Kubernetes, Docker, and DevOps practices.
• Familiarity with frontend technologies (Angular/Vue.js) is a plus.
• Strong problem-solving and debugging skills, especially in handling large files, big data, and performance issues.

Please note that ApTask offers subsidized insurance coverage to our employees.

About ApTask: ApTask is a leading global provider of workforce solutions and talent acquisition services, dedicated to shaping the future of work. As an African American-owned and Veteran-owned company, ApTask offers a comprehensive suite of services, including staffing and recruitment solutions, managed services, IT consulting, and project management. With a focus on excellence, collaboration, and innovation, ApTask provides unparalleled opportunities for professional growth and development. As a member of the ApTask team, you will have the chance to connect businesses with top-tier professionals, optimize workforce performance, and drive success across diverse industries. Join us at ApTask and be part of our mission to empower organizations to thrive while fostering a diverse and inclusive work environment.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

Candidate Data Collection Disclaimer: At ApTask, we prioritize safeguarding your privacy. As part of our recruitment process, certain Personally Identifiable Information (PII) may be requested by our clients for verification and application purposes. Rest assured, we strictly adhere to confidentiality standards and comply with all relevant data protection laws. Please note that we only collect the necessary information as specified by each client and do not request sensitive details during the initial stages of recruitment.

If you have any concerns or queries about your personal information, please feel free to contact our compliance team at compliance@aptask.com.

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About technology at ApTask

Technology roles at ApTask cover the software, cloud, data, security, and platform-engineering functions that power Fortune 500 digital operations. Our recruiters specialize in high-signal technical calibration — every candidate is validated against the specific stack, framework versions, and deployment context the client runs, not a keyword match. Our largest engagements sit inside AWS, Azure, GCP, Snowflake, Databricks, and modern data-mesh estates. Because we route through Fieldglass, Beeline, Workday VNDLY, and Coupa VMS, technology contractors placed through ApTask carry MBE diversity spend against the client's supplier program while remaining W-2 with full benefits under our payroll.