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Contract Java Developer Startup Jobs in Winter Springs, FL

CEI

Senior Java Developer

Orlando, FL · On-site

$103.32 - $110.21/hr

Contract: W2 only, 12 month contract with potential for extension or conversion to full time with ... Java Developer responsible for enhancing and supporting Java-based backend systems with a focus on ...

Apptad, Inc.

Java Full Stack Developer

Orlando, FL · On-site

$49 - $63.25/hr

Java Full Stack Developer Location : Orlando, FL Onsite Contract Job Summary To be responsible for managing technology in complex projects ,providing technical guidance and ensuring successful ...

New

360 IT Professionals

Sr. Java/SQL Developer

Orlando, FL

$53.50 - $68.25/hr

Contract Interview Mode: Phone+F2F MUST HAVE: 5+ years Java programming experience 3+ years development using Microsoft SQL including Strong experience writing complex queries in SQL Experience ...

Varsity Tutors

Java Tutor

Orlando, FL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Sarian Solutions

Sr. Java/SQL Developer

Orlando, FL

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 ...

Lorven Technologies

Full Stack Java with Angular

Lake Mary, FL · On-site

$46 - $59.25/hr

Our client is looking Java Full Stack Developer with Automation Testing for Contract project in LAKE MARY, FL below is the detailed requirements. Job Title : Java Full Stack Developer with Automation ...

Tror AI for everyone

Mobile Developer

Orlando, FL · On-site

Contract Roles and Responsibilities: This role focuses on Mobile Architecture & Design ... Java). * Strong understanding of mobile architecture patterns: * MVVM * Clean Architecture * MVC ...

Rabines Recruiter

SharePoint Developer

Altamonte Springs, FL · On-site

$45.75 - $59.75/hr

Altamonte Springs, FL DIRECT HIRE Or Contract to Hire Salary: On Experience • Design and develop ... Net, Silverlight and Java technologies • Knowledge of ASP, JavaScript, JSP, CSS, HTML and XHTML ...

Varsity Tutors

AP Computer Science A Tutor

Orlando, FL · Remote

$18 - $40/hr

Deep knowledge of Java programming including primitive types, objects, boolean expressions ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

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All JobsContract Java Developer Startup JobsContract Java Developer Startup Jobs in Winter Springs, FL

Contract Java Developer Startup information

See Winter Springs, FL salary details

$13

$48

$66

How much do contract java developer startup jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for contract java developer startup in Winter Springs, FL is $48.50, according to ZipRecruiter salary data. Most workers in this role earn between $41.97 and $54.28 per hour, depending on experience, location, and employer.

What does a contract Java developer do at a startup?

A Contract Java Developer at a startup is responsible for designing, developing, and maintaining Java-based applications on a temporary basis, usually to help accelerate specific projects or fill short-term talent gaps. They often work on building scalable backend systems, integrating APIs, and ensuring the product can rapidly evolve as the startup grows. Their work may also involve troubleshooting, optimizing performance, and collaborating closely with other developers, designers, and product managers. Because startups are fast-paced environments, contract developers are expected to adapt quickly and deliver results within tight deadlines.

What are the key skills and qualifications needed to thrive as a contract Java developer at a startup?

To excel as a Contract Java Developer in a startup environment, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development lifecycles, usually supported by relevant experience or a computer science degree. Familiarity with frameworks like Spring Boot, version control systems (e.g., Git), build tools (e.g., Maven or Gradle), and cloud platforms is often required. Outstanding problem-solving ability, adaptability, and clear communication skills help you collaborate effectively and respond to rapidly changing project needs. These skills and qualities enable you to deliver robust, scalable solutions quickly and efficiently, which is critical in the fast-paced, resource-constrained startup setting.

What are some common challenges contract Java developers face when working at startups, and how can they prepare for them?

Contract Java Developers at startups often face fast-paced environments with shifting priorities and limited documentation. Adapting quickly to new codebases, collaborating with small, cross-functional teams, and managing ambiguity are frequent challenges. To prepare, developers should brush up on agile methodologies, familiarize themselves with popular Java frameworks, and be proactive in communicating with stakeholders. Demonstrating flexibility and strong problem-solving skills will help ensure a successful contract period.

What is the difference between Contract Java Developer Startup vs Contract Java Developer Enterprise?

AspectContract Java Developer StartupContract Java Developer Enterprise
CredentialsJava certification, relevant experienceJava certification, relevant experience
Work EnvironmentFast-paced, innovative, small teamsStructured, larger teams, formal processes
Employer & IndustryStartups, tech, e-commerceLarge corporations, finance, healthcare
Search & Comparison IntentYesYes

The main difference between a Contract Java Developer Startup and a Contract Java Developer Enterprise lies in the work environment and company size. Startups typically offer a dynamic, fast-paced setting with smaller teams, while enterprises provide a more structured environment with larger teams and formal processes. Both roles require similar credentials and are sought after by companies in different industry sectors.

What are popular job titles related to Contract Java Developer Startup jobs in Winter Springs, FL?

For Contract Java Developer Startup jobs in Winter Springs, FL, the most frequently searched job titles are:

What cities near Winter Springs, FL are hiring for Contract Java Developer Startup jobs?

Cities near Winter Springs, FL with the most Contract Java Developer Startup job openings:

Contract Java Developer Startup jobs near you

Senior Java Developer

CEI

Orlando, FL • On-site

$103.32 - $110.21/hr

Other

Medical, Dental, Vision, Retirement

Posted 12 days ago

Job description

Back Senior Java Developer
Application Development Kissimmee , Florida Contract Hybrid Jul 17, 2026

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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