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Part Time Java Developer Startup Jobs (NOW HIRING)

Booz Allen Hamilton, Inc.

Java Developer

Winchester, VA · On-site +1

$61K - $141K/yr

Share Java Developer The Opportunity: As an experienced content management engineer, you know how ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

LCG, Inc.

Full Stack Developer, Associate

Rockville, MD · On-site

$53.50 - $69/hr

Java Developer / OneStream, Associate (Part Time - Regular) Location: Rockville, MD Work Type: Hybrid Work ( 1 day onsite minimum - no exceptions) Position: Part Time (20 hours per week) Sponsorship:

LCG Inc

Full Stack Developer, Associate

Rockville, MD · On-site

$53.50 - $69/hr

Java Developer / OneStream, Associate (Part Time - Regular) Location: Rockville, MD Work Type: Hybrid Work ( 1 day onsite minimum - no exceptions) Position: Part Time (20 hours per week) Sponsorship:

Best Fit Global

Developer - Programmer

Washington, DC · On-site

The program seeks a Java developer with demonstrated experience delivering enterprise applications ... jobs in Java. Part Time or Full Time: Full-time Notes: Certification Requirements: Schedule ...

Best Fit Global

Developer - Programmer

Washington, DC · On-site

The program seeks a Java developer with demonstrated experience delivering enterprise applications ... jobs in Java. Part Time or Full Time: Full-time Notes: Certification Requirements: Schedule ...

DeVillier

Software Developer, Junior, Part-Time

Stafford, VA · Remote

$66K - $86K/yr

Programming multi-threaded, cross-platform Geospatial Information System (GIS) applications using the Java programming language and JavaFX. * Create software documentation using JavaDoc and other ...

New

Rantz Marketing

Web Developer/Engineer for automotive website startup: Local automotive-focused start-up is seeking ... Must be well versed in HTML, with a base understanding of PHP, Java, Photoshop and CSS. Experience ...

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Part Time Java Developer Startup information

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How much do part time java developer startup jobs pay per hour?

As of Sep 11, 2026, the average hourly pay for part time java developer startup in the United States is $56.70, according to ZipRecruiter salary data. Most workers in this role earn between $49.04 and $63.46 per hour, depending on experience, location, and employer.

What does a part time Java developer do at a startup?

A Part Time Java Developer at a startup is responsible for designing, coding, and testing Java-based applications on a flexible schedule. They typically work on building new features, fixing bugs, and collaborating closely with other team members to help the startup grow quickly. The role may also involve participating in code reviews, optimizing performance, and adapting quickly to changing project requirements. Since startups often require team members to wear multiple hats, part-time Java Developers might also contribute to other aspects of the development process or learn new technologies as needed.

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

To thrive as a Part Time Java Developer at a startup, you need strong Java programming skills, experience with frameworks like Spring or Hibernate, and a foundational understanding of software development principles. Familiarity with version control systems (like Git), cloud platforms, and agile development tools is often expected, alongside a relevant degree or certification. Initiative, adaptability, and effective communication are crucial soft skills for collaborating in a fast-paced, resource-constrained environment. These capabilities are important to efficiently deliver scalable solutions and contribute meaningfully to rapid product iterations typical in startups.

What are some unique challenges a part time Java developer might face when working at a startup?

As a part-time Java Developer in a startup environment, you may encounter challenges such as shifting priorities, tight deadlines, and the need to quickly adapt to new technologies or tools. Startups often operate with lean teams, so you might be expected to handle a broad range of tasks beyond core Java development, including troubleshooting, deployment, and occasionally assisting with frontend or DevOps work. Effective communication and time management are essential, as you'll need to stay aligned with the team's goals and progress despite working fewer hours. These challenges can also provide valuable learning experiences and opportunities for rapid professional growth.

What is the difference between Part Time Java Developer Startup vs Part Time Java Programmer?

AspectPart Time Java Developer StartupPart Time Java Programmer
Required SkillsJava, Spring, REST APIs, SQLJava, basic programming, debugging
Work EnvironmentStartup, dynamic, collaborativeVarious, including corporate or freelance
Industry UsageTech startups, innovative projectsBroad, including corporate and freelance roles
CertificationsJava certifications preferredOptional, basic programming certifications

Part Time Java Developer Startup roles typically require more specialized skills like Spring and REST APIs, working in a fast-paced startup environment. In contrast, Part Time Java Programmers may have broader, less specialized tasks across various industries. The developer role often demands familiarity with startup workflows, while programmers may work in diverse settings with varying project scopes.

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Part Time Java Developer Startup jobs near you
Infographic showing various Part Time Java Developer Startup job openings in the United States as of September 2026, with employment types broken down into 87% Full Time, 3% Part Time, and 10% Contract. Highlights an 79% Physical, 4% Hybrid, and 17% Remote job distribution, with an average salary of $117,931 per year, or $56.7 per hour.

Part-Time Entry-Level Java/JEE Developer

Remote

Science Applications International Corporation
IT Services • 10K+ employees
Learn more about Science Applications International Corporationexternal

Part-time

Posted 7 days ago

SAIC rating

7.7

Company rating: 7.7 out of 10

Based on 82 frontline employees who took The Breakroom Quiz

Job description

SAIC is currently seeking a motivated, career and customer-oriented part-time Java/JEE Developer (Entry Level) to join our team to begin an exciting and challenging career in Ashburn, VA. 

Job Responsibilities

  • Design, implement, and unit test REST microservices with Java, Spring, and JUnit. 
  • Develop web applications with Angular that communicate with backend microservices.
  • Write complex SQL queries and perform data modeling.
  • Work collaboratively within a large, Agile development team.
SAIC is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

Required Skills and Experience

  • Bachelor's degree in computer science or related engineering field.
  • Strong foundational knowledge or Java with at least 1 year of Java J2EE/JEE design and software development experience including designing, developing, and documenting large-scale enterprise software systems.
  • Spring Boot.
  • Spring REST/SOAP web services.
  • Angular.
  • React.
  • HTML/Javascript/CSS.
  • XML/JSON.
  • SQL.
  • JPA/Hibernate.
  • Java web application development required.

Desired Skills and Experience

  • Master's degree in computer science or related field is a plus.
  • Recent and relevant course projects, internships, co-ops, or personal work showcasing backend development skills would be a plus.
  • Experience with Spring WebFlux and R2DBC.
  • Experience with microservices architecture.
  • Experience with JMS and/or Kafka.
  • Familiar with AWS.
  • Comfortable with Eclipse and Visual Studio Code.
  • Agile development approach.
  • Strong initiative: must be able to take a high-level requirement, ask questions/seek clarifications, and get the job done.
  • Ability to work in a high-pressured, tight-deadline environment.
  • Must be able to multitask efficiently and progressively and work comfortably in an ever-changing data environment.
  • Must work well in a team environment as well as independently.
  • Excellent verbal/written communication and problem solving skills; ability to communicate information to a variety of groups at different technical skill level.

Customer Requirements

  • Clearance - Ability to obtain and hold a public trust position and favorable suitability based on a CBP Background Investigation.
  • Citizenship - Must be a US Citizen.

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