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Freelance Java Spring Developer Jobs in Iowa (NOW HIRING)

Harris

Software Engineer

Nevada, IA · On-site

$80K - $90K/yr

Deep understanding of Core Java (Java 11/17+), JVM internals, memory management, tuning, and ... Experience with Spring in particular Spring Boot. - RESTful API Design: Experience designing ...

Worky

Experienced Software Developer

West Des Moines, IA · On-site

$90 - $130/hr

Experienced Software Developer At Farmers Mutual Hail (FMH), our mission is simple: protect the ... level Java applications, preferably using tools/software such as JavaScript, Python, Spring ...

FHLB Des Moines

Senior Developer

Des Moines, IA · On-site

$91 - $108/hr

The Senior Developer is a member of the application development team. The position is responsible ... Experience with Java 11 and open source frameworks (e.g., Spring Ecosystem, Hibernate, jUnit5 ...

FHLB Des Moines

Senior Developer

Des Moines, IA · Hybrid

$91K - $108K/yr

The Senior Developer is a member of the application development team. The position is responsible ... Experience with Java 11 and open source frameworks (e.g., Spring Ecosystem, Hibernate, jUnit5 ...

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Freelance Java Spring Developer information

What is a freelance Java Spring developer?

A Freelance Java Spring Developer is a self-employed software professional who specializes in building, maintaining, and optimizing applications using the Java programming language and the Spring framework. These developers work on a contract or project basis for various clients, rather than as full-time employees for a single company. Their responsibilities often include designing backend systems, integrating APIs, and ensuring applications are scalable and secure. Freelance Java Spring Developers typically manage their own schedules and may work remotely for clients around the world.

What are the key skills and qualifications needed to thrive as a freelance Java Spring developer?

To thrive as a Freelance Java Spring Developer, you need a solid understanding of Java programming, Spring Framework (including Spring Boot), and experience with RESTful APIs, typically supported by a degree in computer science or relevant certifications. Familiarity with tools like Maven, Git, Docker, and cloud platforms such as AWS or Azure is often required. Strong problem-solving, time management, and client communication skills help you stand out in this role. These competencies ensure you can deliver robust solutions efficiently while managing multiple clients and projects in a dynamic freelance environment.

What are the most common challenges faced by freelance Java Spring developers when working with multiple clients simultaneously?

Freelance Java Spring Developers often juggle projects for multiple clients, which can pose challenges such as managing shifting priorities, aligning with different coding standards, and keeping up with varied communication styles. Successfully navigating these requires strong organizational skills, clear project documentation, and proactive communication to set expectations. Additionally, freelancers must stay updated with the latest Spring framework updates to deliver high-quality, maintainable solutions across diverse client environments.

What is the difference between Freelance Java Spring Developer vs Java Backend Developer?

AspectFreelance Java Spring DeveloperJava Backend Developer
CredentialsOften requires Java certifications, Spring certifications, and relevant experienceTypically requires a Java degree or equivalent experience, with or without certifications
Work EnvironmentIndependent, project-based, remote or on-site freelance workFull-time employment in a company or organization, often in an office setting
Employer & Industry UsageClients across various industries hiring for specific projectsEmployers in tech, finance, e-commerce, and other sectors with ongoing backend needs
Search & Comparison IntentLooking for freelance opportunities or contract work in Java Spring developmentSeeking full-time or permanent backend development roles in Java

In summary, Freelance Java Spring Developers typically work independently on short-term projects, requiring specific certifications and flexible work environments. Java Backend Developers usually hold full-time roles within organizations, focusing on ongoing backend system development.

What are the most commonly searched types of Java Spring Developer jobs in Iowa?

The most popular types of Java Spring Developer jobs in Iowa are:

What are popular job titles related to Freelance Java Spring Developer jobs in Iowa?

For Freelance Java Spring Developer jobs in Iowa, the most frequently searched job titles are:

What job categories do people searching Freelance Java Spring Developer jobs in Iowa look for?

The top searched job categories for Freelance Java Spring Developer jobs in Iowa are:

What cities in Iowa are hiring for Freelance Java Spring Developer jobs?

Cities in Iowa with the most Freelance Java Spring Developer job openings:

Freelance Java Spring Developer jobs near you
Infographic showing various Freelance Java Spring Developer job openings in Iowa as of June 2026, with employment types broken down into 88% Full Time, and 12% Contract. Highlights an 100% In-person job distribution.

Software Engineer

Harris

Nevada, IA • On-site

$80K - $90K/yr

Full-time

Re-posted 29 days ago

Harris Computer rating

8.5

Company rating: 8.5 out of 10

Based on 10 frontline employees who took The Breakroom Quiz

81st of 247 rated software companies

Job description

Responsibilities & Duties:
- Write code and contribute to the development of software applications, modules, or components.
- Participate in higher-level aspects of the development process, such as requirements analysis, design, architecture, system integration, testing, and project management.
- Partake in testing code to identify and fix bugs and ensure the quality and reliability of the software.
- Collaborate with other team members, including software architects, designers, and product managers, to ensure alignment with project goals and timelines.

- Proficiency in Java: Deep understanding of Core Java (Java 11/17+), JVM internals, memory management, tuning, and concurrency/multithreading.

- Enterprise Frameworks: Experience with Spring in particular Spring Boot.

- RESTful API Design: Experience designing, building, and securing robust, scalable REST APIs for third-party integrations and internal UI consumption.

- Database Expertise: Proficiency with relational and non-relational databases (e.g., PostgreSQL, MySQL, MongoDB).

- Search Engine Technology: Experience with search and indexing technologies such as Elasticsearch.

- Experience in React, Next.js and Material UI.

- Worked on AI assisted development (e.g. GitHub Copilot, Claude, Cursor or ChatGPT)

- Familiarity with AI directed prompt engineering for developing applications.


Requirements:
- Bachelor's degree or Diploma in Computer Science, Engineering, related field, or equivalent work experience.
- 3+ years of experience in software development, with proficiency in one or more programming languages.
- Understanding of software engineering principles, design patterns, algorithms, and system architecture.
- Familiarity with modern software development tools, frameworks, and methodologies.

Salary range: $80,000 - $90,000 USD per year.

What Harris Computer employees say

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About Harris Computer Systems

Sourced by ZipRecruiter

Harris Computer Systems, based in Ottawa, ON, CA, is an established player in the field of public sector software technology. Since its inception in 1976, the company has been striving to make clients' operations more efficient through reliable, practical, and flexible software solutions. Its extensive portfolio primarily serves utility, healthcare, public sector, and educational institutions, contributing to the betterment of public services through technology. Harris strongly believes in the value of forward-thinking technology and the power it has to drive progress for the public sector. This methodology is entirely in line with their mission to ensure customer success by providing reliable, practical, and robust software solutions.

Industry

Accounting services

Company size

1,001 - 5,000 Employees

Headquarters location

Ottawa, ON, CA

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