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Application Development Intern Jobs in Key West, FL

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Application Development Intern information

See Key West, FL salary details

$5

$24

$50

How much do application development intern jobs pay per hour?

As of Jul 31, 2026, the average hourly pay for application development intern in Key West, FL is $24.69, according to ZipRecruiter salary data. Most workers in this role earn between $16.15 and $23.80 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Application Development Intern, and why are they important?

To thrive as an Application Development Intern, you need a solid understanding of programming languages (such as Java, Python, or JavaScript), software development fundamentals, and often a pursuit of a computer science or related degree. Familiarity with integrated development environments (IDEs), version control systems like Git, and basic database management is typically required. Strong problem-solving skills, attention to detail, and effective communication make candidates stand out in collaborative tech environments. These skills are crucial for contributing to development projects, learning quickly, and supporting the overall success of software teams.

What does an Application Development Intern do?

An Application Development Intern assists in designing, coding, testing, and maintaining software applications under the supervision of experienced developers. Their responsibilities often include writing code, debugging issues, participating in team meetings, and learning about the software development lifecycle. Interns also have the opportunity to gain hands-on experience with various programming languages, development tools, and industry best practices. This role is typically aimed at students or recent graduates looking to build their skills and gain real-world experience in application development.

What types of projects do Application Development Interns typically work on, and how much autonomy can I expect in this role?

As an Application Development Intern, you'll usually work on real-world projects such as developing new features, fixing bugs, or contributing to internal tools under the guidance of experienced developers. While you'll be given tasks that match your skill level, many teams encourage interns to take ownership of small projects or modules, providing a balance of support and autonomy. You'll often collaborate closely with software engineers, product managers, and QA testers, gaining hands-on experience in the full software development lifecycle. This structure helps you build practical skills and prepares you for potential full-time roles after graduation.
What cities near Key West, FL are hiring for Application Development Intern jobs? Cities near Key West, FL with the most Application Development Intern job openings:
Application Development Intern jobs near you
Infographic showing various Application Development Intern job openings in Key West, FL as of July 2026, with employment types broken down into 71% Full Time, 24% Part Time, 1% Temporary, and 4% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $51,349 per year, or $24.7 per hour.

Civil/Environmental Engineer

Apex Companies

Key West, FL • On-site

Full-time

Posted 10 days ago

Job description

Are you driven to grow, lead, and make a meaningful impact? At Apex, we're building more than a consulting and engineering firm—we're creating a place where your career accelerates, your contributions matter, and your potential is fully realized. We believe your growth is our growth, which is why we invest in your development at every stage of your career. Here, you'll work on projects that shape communities, protect the environment, and create lasting impact, all while being empowered with the autonomy and flexibility to do your best work.
Fueled by high quality delivery, exceptional client retention, and strategic acquisitions, Apex Companies continues to rank among the fastest-growing firms in the AEC industry, recently recognized by the Zweig Group for our industry-leading growth. Our success is grounded in strong leadership, a collaborative culture, and a shared commitment to delivering exceptional outcomes.
As we continue to grow, we're focused on building a team of high-performing professionals who are ready to lead, collaborate, and push what's possible. At Apex, you don't just join a company, you help shape what comes next.

Position Summary:
Seeking a motivated Entry-Level Civil/Environmental Engineer to join our Marathon, FL office. In this role, you will work under the guidance of experienced professionals to support a variety of municipal and environmental projects, including water/wastewater systems, site development, stormwater management, and more. This is an excellent opportunity to build foundational skills, gain hands-on project experience, and grow within a supportive engineering environment.

Key Responsibilities:

  • Project Support: Assist senior engineers and project managers in the planning, design, permitting, and documentation of municipal infrastructure projects.
  • Design & Drafting: Develop preliminary plans, calculations, and technical drawings using AutoCAD and Civil 3D software.
  • Data Collection & Analysis: Perform field investigations, review reports and drawings, and assist in analyzing data to inform engineering solutions.
  • Regulatory Compliance: Help ensure designs and deliverables meet local, state, and federal regulations.
  • Communication & Collaboration: Work closely with internal staff, clients, and external stakeholders, providing updates on project progress and addressing technical inquiries.
  • Continuous Learning: Pursue professional development opportunities, stay current with industry best practices, and obtain professional licensure.

Qualifications:

  • B.S. in Civil or Environmental Engineering (or closely related field).
  • Interest in water/wastewater engineering.
  • Engineer Intern (EI) certification preferred or the ability to obtain within 6 months.
  • Proficiency in AutoCAD; Civil 3D experience preferred.
  • Strong written and verbal communication skills.
  • Excellent organizational and self-management abilities.
  • Internship or co-op experience desired.
  • Sponsorship not available now or in the future.

What We Offer:

  • Company-subsidized medical and dental.
  • Company-paid life, short, and long-term disability.
  • 401k match, tuition assistance, and more.
  • Opportunities for professional growth, training, and licensure support.
  • Cross training and the ability to work on a variety of projects.
  • Performance-based bonuses or other incentives.
  • Relocation assistance (if applicable).
  • Working with the best and brightest in the industry.
  • 2,000+ employee national firm with 50+ locations across the US.
Apex Job Title: Engineer 1 - Staff Engineer

Req ID: 11864

#LI-TB1

We believe in equality for all and celebrate the diversity and differences of our employees, customers, and communities. We do not discriminate based on gender, race or color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any other applicable characteristics protected by law. Apex aims to make apexcos.com accessible to all users. If you have a disability or special need that requires accommodation to navigate our website or complete the application process, please contact Talent@apexcos.com or (301) 417-0200. Likewise, feel free to reach out to us if you would like to view or discuss Apex policy related to equal employment opportunity or have any related concerns. EO/AA/VEV/Disabled Employer

TO ALL RECRUITMENT AGENCIES: Apex Companies does not accept unsolicited agency resumes. Please do not forward resumes for any of our job postings to our career's sites, or to any employees of Apex Companies or affiliates. Apex Companies is not responsible for any fees related to unsolicited resumes.