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Freelance Java Backend Developer Jobs in Lake Mary, FL

Java Backend Developer + Redis

Lake Mary, FL · On-site

$44.25 - $57.25/hr

Java Backend Developer + Redis Work Location: NYC/Lake Mary, FL - Locals Only Duration: Longterm * Design, build, and maintain backend microservices using Java, Spring Boot, and related frameworks

Design and implement backend services using Java (Spring Boot). * Build and consume RESTful APIs ... ing, life sciences, clinical, and professional staffing. As a certified Minority Business ...

Java/SQL Developer

Orlando, FL · On-site

$47.50 - $61.50/hr

NOTE- we are looking for strong Java developers who have worked extensively developing for a MS SQL Server back end including writing complex queries in MS SQL and creating joins in MS SQL. This ...

Senior Java Developer ===== ABOUT THE ROLE ----- We are looking for a highly skilled Senior Java Developer to join our engineering team. You will design, develop, and maintain scalable backend ...

NOTE- we are looking for strong Java developers who have worked extensively developing for a MS SQL Server back end including writing complex queries in MS SQL and creating joins in MS SQL. This ...

Senior Java Developer

Lake Mary, FL · On-site

$48 - $58/hr

On-site in Lake Mary, FL Our client is seeking a Senior Java Developer to design, build, and ... Knowledge of front-end and back-end development concepts. * Experience across the full SDLC ...

Senior Java Developer

Lake Mary, FL · On-site

$48 - $58/hr

On-site in Lake Mary, FL Our client is seeking a Senior Java Developer to design, build, and ... Knowledge of front-end and back-end development concepts. * Experience across the full SDLC ...

Sr. Java/SQL Developer

Orlando, FL · On-site

$53.50 - $68.25/hr

Java / SQL Developer Location: Orlando, FL Duration: 6 Months + Position Type: Contract Interview ... Server back end including writing complex queries in MS SQL and creating joins in MS SQL. This ...

Skill Elastic Search, Ruby, Javascript, Backbone, MySQL, and Java, Go, Apache Spark, Kafka Location ... You're familiar with engineering processes and can mitigate roadblocks Leadership experience - You ...

Skill Elastic Search, Ruby, Javascript, Backbone, MySQL, and Java, Go, Apache Spark, Kafka Location ... You're familiar with engineering processes and can mitigate roadblocks Leadership experience - You ...

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Freelance Java Backend Developer information

See Lake Mary, FL salary details

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How much do freelance java backend developer jobs pay per hour?

As of Aug 28, 2026, the average hourly pay for freelance java backend developer in Lake Mary, FL is $47.77, according to ZipRecruiter salary data. Most workers in this role earn between $42.45 and $55.05 per hour, depending on experience, location, and employer.

What are the most commonly searched types of Java Backend Developer jobs in Lake Mary, FL?

The most popular types of Java Backend Developer jobs in Lake Mary, FL are:

What cities near Lake Mary, FL are hiring for Freelance Java Backend Developer jobs?

Cities near Lake Mary, FL with the most Freelance Java Backend Developer job openings:

Java Backend Developer + Redis

Lake Mary, FL • On-site

Saransh Inc
IT Services • 51 - 200 employees

$44.25 - $57.25/hr

Contractor

Re-posted 28 days ago


Job description

Position Details:

Job Title: Java Backend Developer + Redis

Work Location: NYC/Lake Mary, FL - Locals Only

Duration: Longterm   

Job Description

  • Design, build, and maintain backend microservices using Java, Spring Boot, and related frameworks
  • Implement and optimize Redis data structures (caching, pub/sub, data persistence) to support low-latency, high-throughput use cases
  • Produce clean, maintainable, and well-tested code (unit, integration, and performance tests)
  • Collaborate with DevOps to containerize services (Docker), deploy on Kubernetes, and automate CI/CD pipelines
  • Troubleshoot, profile, and tune application performance, memory usage, and concurrency issues
  • Participate in Agile ceremonies (stand-ups, sprint planning, retrospectives) and contribute to backlog grooming
  • Mentor junior engineers and share best practices in code reviews, design sessions, and knowledge-sharing forums
  • Drive technical design discussions and contribute to architectural roadmaps

Required Qualifications

  • 10+ years of professional Java backend development experience
  • Strong expertise in Redis (caching patterns, cluster setup, replication, persistence strategies)
  • Hands-on experience with Spring Boot
  • Solid understanding of microservices architecture and RESTful API design
  • Proficiency in SQL and NoSQL databases (e.g., Oracle, PostgreSQL, MongoDB)
  • Experience with containerization (Docker) and orchestration (Kubernetes)
  • Familiarity with message-driven architectures (e.g., Kafka, RabbitMQ)
  • Expertise in Git, build tools (Maven/Gradle), and CI/CD pipelines (Jenkins, GitLab CI, etc.)

Preferred Skills & Experience

  • Knowledge of cloud platforms (AWS, Azure, Google Cloud)
  • Background in financial services or other regulated industries
  • Familiarity with security best practices (OAuth2, JWT, encryption, vulnerability scanning)
  • Contribution