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Senior Java Backend Developer Jobs in Haines City, FL

CEI

Senior Java Developer

Kissimmee, FL · Hybrid

$75 - $80/hr

Senior Java Developer * Location: Hybrid, Orlando FL (4 days onsite) * Contract: W2 only, 12 month ... Design, develop, and maintain backend services using Java 17, Spring Boot, Spring WebFlux, and ...

WFNQASD5

BVT Analyst_07/04/2026_Edit

Orlando, FL · On-site

$89 - $159/hr

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 ...

Amaze Systems Inc.

Senior Java Developer

Orlando, FL · On-site

$53.50 - $68.25/hr

Senior Java Developer & Team Lead Location: Orlando, FL (Onsite from day 1 - Minimum 3 days a week in Office) Duration: 12 Months Primary skill Required Proficiency level (0-10) Java Spring Boot 9 ...

SoftNice INC

Java Developer

Orlando, FL · On-site

$47.50 - $61.50/hr

S. corporation plus all the benefits of a highly affordable offshore outsource development team We are looking for 1 senior Java developer in Orlando, FL. that has experience with Java, NoSQL, Spring ...

360 IT Professionals

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 ...

Sarian Solutions

Sr. Java/SQL Developer

Orlando, FL · On-site

Hi, Greetings from Sarian We have a Sr. Java/SQL Developer positions 6 month contract-to-hire in Orlando, FL, below is the . If you are available and interested, please send me your most recent ...

Resource Point LLC

Backend Engineer Senior

Orlando, FL · On-site

Backend Engineer Senior Location: Orlando, FL Duration: Permanent Position Description: Kforce is working with a client in search of a Senior Backend Engineer to join their team! This position is ...

CEI

Sr. Full Stack Java Engineer

Kissimmee, FL · Remote

$46.50 - $59.75/hr

Senior Software Engineer - Full Stack (Java / Angular) * Location: Celebration, FL (4 days onsite ... This role is backend-heavy, with required hands-on Angular front-end development, and a strong ...

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Senior Java Backend Developer information

See Haines City, FL salary details

$56K

$122.3K

$166.7K

How much do senior java backend developer jobs pay per year?

As of Jul 29, 2026, the average yearly pay for senior java backend developer in Haines City, FL is $122,334.00, according to ZipRecruiter salary data. Most workers in this role earn between $105,400.00 and $136,900.00 per year, depending on experience, location, and employer.

What is a Senior Java Backend Developer job?

A Senior Java Backend Developer is responsible for designing, implementing, and maintaining the server-side logic of applications using Java. They work with databases, APIs, and cloud services to ensure high performance and scalability. Additionally, they collaborate with front-end developers, DevOps teams, and business stakeholders to deliver robust and secure solutions. Seniors are expected to mentor junior developers and contribute to architectural decisions and best practices.

What are the typical daily responsibilities of a Senior Java Backend Developer?

Senior Java Backend Developers usually spend their days designing and implementing backend components, reviewing code, and optimizing system performance. You may take part in architecture discussions, mentor junior developers, and troubleshoot complex technical issues. Collaboration with front-end developers, QA testers, and project managers is frequent to ensure seamless integration and successful product delivery. Additionally, you might be responsible for maintaining system documentation and keeping up-to-date with new technologies relevant to backend development. Overall, the role combines hands-on coding with leadership and cross-functional teamwork.

What are the key skills and qualifications needed to thrive in the Senior Java Backend Developer position, and why are they important?

To thrive as a Senior Java Backend Developer, you need deep knowledge of Java, object-oriented design, RESTful APIs, and database systems, typically backed by a degree in computer science or related field and several years of relevant experience. Expertise in frameworks like Spring, ORM tools such as Hibernate, version control systems like Git, and, often, certifications such as Oracle Certified Professional Java Programmer are valued. Strong problem-solving, leadership, and clear communication skills help in mentoring junior developers and collaborating across teams. These competencies ensure robust, scalable backend solutions and effective team coordination in complex software projects.

What are popular job titles related to Senior Java Backend Developer jobs in Haines City, FL? For Senior Java Backend Developer jobs in Haines City, FL, the most frequently searched job titles are:
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Senior Java Backend Developer jobs near you

Senior Java Developer

CEI

Kissimmee, FL • Hybrid

$75 - $80/hr

Full-time, Contractor

Posted 19 days ago

Job description

Senior Java DeveloperJob at a Glance
  • Title: Senior Java Developer
  • Location: Hybrid, Orlando FL (4 days onsite)
  • Contract: W2 only, 12 month contract with potential for extension or conversion to full time with either the client or CEI
  • Pay: $75.00-80.00 /hour + optional medical, dental, vision, 401(k) match
Overview

The client is seeking a Senior Java Developer responsible for enhancing and supporting Java-based backend systems with a focus on Spring Reactor, Spring WebFlux, reactive programming, and cloud-hosted services. This role will help support and evolve service-layer applications, troubleshoot sustainment issues, and contribute to reactive Java development using Java 17, WebFlux, Reactor, MongoDB, and AWS/cloud technologies.

Key Responsibilities
  • Design, develop, and maintain backend services using Java 17, Spring Boot, Spring WebFlux, and Spring Reactor.
  • Build and support reactive REST APIs using Project Reactor, Mono, Flux, and WebFlux.
  • Analyze sustainment issues quickly and provide practical technical solutions.
  • Support and enhance service-layer applications in a cloud-hosted environment.
  • Work with MongoDB and understand considerations around reactive data access and blocking database behavior.
  • Collaborate with engineering teammates to support ongoing development, troubleshooting, and knowledge transfer.
  • Promote best practices in code quality, CI/CD, testing, and production support.
  • Conduct code reviews and contribute to maintainable, reliable backend services.
  • Stay current on Java, Spring Reactor, WebFlux, and cloud-native development practices.
Required Skills
  • 5+ years of professional Java development experience.
  • Strong Java 17 experience.
  • Strong Spring Boot experience.
  • Hands-on experience with Spring WebFlux and Spring Reactor.
  • Experience building or supporting reactive applications using Mono and Flux.
  • Strong understanding of RESTful API development and integration.
  • Ability to explain a real WebFlux application and the candidate’s personal role in building or supporting it.
  • Experience troubleshooting backend service issues and quickly identifying practical fixes.
  • Familiarity with MongoDB or other database technologies.
  • Familiarity with AWS or cloud-hosted application environments.
  • Familiarity with modern DevOps and version control tools such as Git, Jenkins, Docker, or similar.
Required Education
  • Bachelor's degree in Computer Science or related field.
  • Master's degree preferred.
Preferred Skills
  • Experience using MongoDB with reactive Java applications.
  • Experience with Java 17 to Java 21 migration.
  • Experience with AWS services or cloud-hosted deployments.
  • Experience with hospitality, travel, commerce, or adjacent customer-facing business domains.
  • Experience with Kubernetes or containerized application environments.
  • Knowledge of microservices architecture and event-driven systems.
  • Familiarity with NestJS or willingness to support JavaScript/NestJS-adjacent service work.
  • AWS Certification is a plus.
Why Should I Apply?

This opportunity offers the chance to work on modern Java service-layer applications using Java 17, Spring WebFlux, Spring Reactor, MongoDB, and cloud-hosted technologies. You’ll join a collaborative engineering environment where hands-on problem solving, sustainment support, and reactive Java expertise are highly valued.

About CEI

As a trusted technology partner, CEI delivers solutions that help our customers transform their business and achieve meaningful results. From strategy and custom application development through application management - our technology and digital experience services are tailored to meet each unique need of our customers. Our staffing solutions bring specialized skills to complement our customers' workforce and project requirements.
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