Support Engineer_US

Kaygen Inc.

Miami, FL

JOB DETAILS
SALARY
$35–$50 Per Hour
SKILLS
Analysis Skills, Automation, Career Development, Cloud Computing, Community Support, Concurrency, Continuous Deployment/Delivery, Continuous Improvement, Continuous Integration, Debugging Skills, DevOps, Distributed Computing, Fortune 500 Customers, Health Insurance, High Availability, Identify Issues, Incident Management, Java, Linux Operating System, Memory Leaks, Memory Management, Mentoring, Microservices, Multithreaded Programming, Performance Management, Performance Tuning/Optimization, PostgreSQL, Problem Solving Skills, Process Improvement, Production Support, Production Systems, Root Cause Analysis, ServiceNow, Software Development, Spring Framework, Startup, Team Lead/Manager, Team Player, Technical Leadership, Technical Support, Unix Operating Systems, Unix Shell Programming
LOCATION
Miami, FL
POSTED
24 days ago


KAYGEN is an emerging leader in providing top talent for technology-based staffing services. We specialize in providing high-volume contingent staffing, direct hire staffing and project-based solutions to companies worldwide ranging from startups to Fortune 500 and Managed Service Providers (MSP) across a wide variety of industries. Senior/Lead Production Support Engineer (Core Java Concurrency & Multithreading)
6 Months
Miami, FL (3 Days/week)

Role Overview
We are seeking an experienced Senior/Lead Production Support Engineer with strong expertise in Core Java, concurrency, and multithreading to support and maintain high-performance, mission-critical applications. The ideal candidate will play a key role in ensuring system stability, troubleshooting complex issues, and driving improvements in application performance and reliability.

Key Responsibilities
  • Provide L2/L3 production support for Java-based applications in a 24/7 environment.
  • Investigate and resolve performance issues, memory leaks, threading problems, and application bottlenecks.
  • Analyze thread dumps, heap dumps, and GC logs to identify and fix issues related to concurrency and multithreading.
  • Work closely with development teams to debug and fix complex production defects.
  • Lead incident management, root cause analysis (RCA), and problem resolution.
  • Design and implement monitoring, alerting, and automation solutions to improve support efficiency.
  • Ensure high availability, scalability, and reliability of applications.
  • Participate in release deployments, validations, and post-release support.
  • Mentor junior engineers and provide technical leadership in production support activities.
  • Drive continuous improvement initiatives to reduce incidents and improve system performance.

Required Skills & Qualifications
  • 8 12+ years of experience in Java-based application development/support.
  • Strong expertise in Core Java (collections, memory management, JVM internals).
  • Deep understanding of concurrency, multithreading, synchronization, locks, thread pools, and related concepts.
  • Hands-on experience analyzing:
  • Thread dumps
  • Heap dumps
  • Deadlocks and race conditions
  • Proficiency in tools like JVisualVM, JConsole, Eclipse MAT, or similar.
  • Experience with Unix/Linux environments and shell scripting.
  • Strong knowledge of Postgres and database performance tuning.
  • Experience with monitoring tools (Dynatrace, AppDynamics, Prometheus, etc.).
  • Strong debugging and problem-solving skills in production environments.

Preferred Skills
  • Experience with microservices architecture and distributed systems.
  • Knowledge of Spring/Spring Boot frameworks.
  • Familiarity with cloud platforms.
  • Exposure to CI/CD pipelines and DevOps practices.
  • Experience with incident management tools (ServiceNow).

Pay Range: $35-50/Hr.
At KAYGEN, people are at the heart of everything we do. We foster a diverse, inclusive, and employee-driven culture where every individual is valued, empowered, and encouraged to bring their authentic self to work. Our candidate-first approach means we are committed to understanding your career goals and connecting you with opportunities that align with your aspirations, skills, and potential. Whether you're taking the next step in your career or searching for your dream opportunity, KAYGEN is more than a staffing partner—we're a community dedicated to helping you grow, succeed, and thrive. Join us and discover a place where your talent is recognized, your ambitions are supported, and your future is built alongside a team that invests in your success every step of the way.

Our team of experienced staffing experts will work with you to find you the best opportunity. For more information, please visit us at www.kaygen.com.

Benefits:
  • Free Healthcare Insurance
  • 401(k) Retirement Plan
  • Free Life Insurance
  • Sick Time Off
Achieve your Kaizen by clicking here. A unique and exclusive talent community supported by KAYGEN, that includes programs like:
  • Mentorship Program
  • Certifications
  • Referrals
  • Family and Wellness benefits
  • Continuous Growth and Career Development

About the Company

K

Kaygen Inc.

Kaygen, an award-winning technology consulting and talent firm, assists organizations to achieve digital transformation. From structuring data to the Cloud and visualization, Kaygen leads the digital transformation of global clients.

Kaygen, from the Japanese word, kaizen, for continuous improvement, signifies how we continuously seek to bring expert tech talent to our client engagements to create a sustainable competitive advantage. However, there is more. Our company is diverse, and minority woman owned and operated by expert data technologists who have conceived and developed the very strategic technology initiatives that we now engage in for our clients with our talent.

Our core belief in diversity, complemented by the principles of kaizen, ensures we bring the best expert data talent to work transparently, collaboratively, and with the flexibility to ensure client success.

Visit http://www.kaygen.com/ for a solutions overview.

.

COMPANY SIZE
100 to 499 employees
INDUSTRY
Computer/IT Services
EMPLOYEE BENEFITS
Paid Sick Days, Professional Development, 401K, Employee Referral Program, Flexible Spending Accounts, Employee Events, Life Insurance, Merchandise Discounts
FOUNDED
2003
WEBSITE
http://www.kaygen.com