2

Part Time Java Developer Startup Jobs (NOW HIRING)

Backend Java Developer

$51.75 - $67/hr

We are looking for experienced Back-end Java Developer to join our team and work with one of the ... We prefer full-time (40 hr/week) but open to considering part-time who can ramp up to full-time in ...

... startup based in Secaucus NJ. We offer learning opportunities for students of all grades (K-12) in Math, Language Arts, Science, Computer Programming, Smart Phone Game App Development, Chess ...

... startup based in Secaucus NJ. We offer learning opportunities for students of all grades (K-12) in Math, Language Arts, Science, Computer Programming, Smart Phone Game App Development, Chess ...

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 ...

Implement JavaScript and Java-based solutions for form automation and integration. * Integrate ... part-time work, working outside normal 9-5 business hours or working remotely. We also offer a ...

Developer

Boston, MA · On-site

We are flexible in terms of part time positions and compensation, but most importantly we are ... If you are interested in interning for a brand new startup just entering its beta phase, please ...

Golang Developer Web3 Experiance

Dover, DE · On-site +1

$120K - $156K/yr

As a Senior Go Engineer at Mavik Labs, you'll be at the forefront of developing a large-scale, high ... Significant ownership in a high-potential Web3 startup. - Token Compensation: Allocation of our ...

PART-TIME - Lead Engineer

Manhattan, NY · On-site

$125 - $175/hr

Kubernetes/DevOps exposure. Startup background. COMPENSATION $125-$175/hour (part-time). $120K-$160K + equity (full-time). Paid sick time per NYC law. NOT A FIT IF Cannot commit 8+ hours/week. Not ...

next page

Showing results 1-20

Part Time Java Developer Startup information

See salary details

$15

$56

$77

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

As of Jul 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 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 are the key skills and qualifications needed to thrive as a Part Time Java Developer at a startup, and why are they important?

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 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.

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.
More about Part Time Java Developer Startup jobs
What cities are hiring for Part Time Java Developer Startup jobs? Cities with the most Part Time Java Developer Startup job openings:
What are the most commonly searched types of Java Developer Startup jobs? The most popular types of Java Developer Startup jobs are:
Infographic showing various Part Time Java Developer Startup job openings in the United States as of July 2026, with employment types broken down into 85% Full Time, 3% Part Time, 1% Temporary, and 11% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $117,931 per year, or $56.7 per hour.
Java Developer, Associate (Part Time - Regular)

Java Developer, Associate (Part Time - Regular)

LCG, Inc.

Rockville, MD

$52 - $67.25/hr

Part-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 7 days ago


Job description


Job Title: Java Developer, 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: No sponsorship assistance is available for this position now or in the future.

Clearance: Ability to Obtain Public Trust

Job Overview: LCG is seeking a Java Developer, Associate (Part Time - Regular) to support NIH by designing, developing, testing, and maintaining secure, scalable enterprise applications that support mission-critical business operations. This role focuses on modernizing legacy applications, developing new Java-based services, and supporting enterprise software solutions using Java, Spring Boot, RESTful APIs, and modern DevSecOps practices.

The developer will work within the Client's Agile/SAFe delivery framework, collaborating closely with Enterprise Architecture, DevSecOps, IT Security, QA, Database Administrators, Business Analysts, and Product Owners to ensure solutions align with enterprise architecture, cybersecurity requirements (including RMF and Section 508 where applicable), and operational readiness standards.

Responsibilities span the complete Software Development Life Cycle (SDLC), including requirements analysis, architecture support, application development, integration, testing, deployment, production support, hyper-care, and transition to operations within a regulated federal environment.

Key Responsibilities

Java Application Development and Modernization

  • Design, develop, test, maintain, and enhance Java-based enterprise applications supporting NIH business operations.
  • Develop scalable backend services using Java 11+ (or higher), Spring Boot, and modern software engineering practices.
  • Modernize legacy applications by migrating business functionality into maintainable Java architectures.
  • Participate throughout the SDLC including analysis, design, development, testing, deployment, production support, and continuous improvement.
  • Develop reusable application components and shared libraries to improve maintainability and reduce technical debt.

Architecture, Design, and Enterprise Alignment

  • Participate in application architecture discussions and contribute to technical solution designs aligned with enterprise standards.
  • Collaborate with Enterprise Architecture, Database Administrators, DevSecOps, and IT Security teams to ensure solutions meet security, scalability, and performance requirements.
  • Translate business requirements into technical specifications, user stories, and implementation plans.
  • Support technical design documentation and architecture artifacts throughout project delivery.

API Development, Data Integration, and Backend Services

  • Design and develop RESTful APIs and backend services supporting enterprise applications.
  • Integrate Java applications with databases, cloud services, third-party platforms, and internal enterprise systems.
  • Develop efficient SQL queries, stored procedures, and data access layers using JPA/Hibernate.
  • Support secure authentication and authorization mechanisms for enterprise applications.

DevSecOps, CI/CD, and Configuration Management

  • Support automated CI/CD pipelines using Jenkins, GitHub Actions, GitLab CI, or similar DevOps platforms.
  • Utilize Git for source code management, branching strategies, code reviews, and release management.
  • Follow enterprise configuration management, change management, and release governance processes.
  • Collaborate with DevOps engineers to automate deployments and improve software delivery efficiency.

Testing, Quality Assurance, and Documentation

  • Develop unit tests, integration tests, and participate in regression and performance testing activities.
  • Support User Acceptance Testing (UAT) and defect resolution throughout release cycles.
  • Participate in peer code reviews to maintain coding standards and software quality.
  • Maintain technical documentation, design documentation, API documentation, and operational support guides.
  • Support knowledge transfer and documentation for production support teams.

Cybersecurity Compliance and Secure Development

  • Develop applications following secure coding practices and federal cybersecurity requirements.
  • Collaborate with IT Security teams to remediate vulnerabilities identified through code scanning and security assessments.
  • Support RMF documentation, vulnerability remediation, and ATO readiness activities where applicable.
  • Ensure applications comply with organizational security policies and data protection requirements.

Deployment Support, Production Operations, and Continuous Improvement

  • Support application deployments and post-production validation activities.
  • Troubleshoot application defects, production issues, and performance bottlenecks.
  • Participate in root cause analysis and implement corrective actions.
  • Support production stabilization during hyper-care periods following major releases.
  • Provide technical support and knowledge transfer to operations and maintenance teams.

Requirements

  • Previous NIH experience (strongly desired)
  • 3+ years professional experience developing enterprise Java applications.
  • 3+ years experience using Java (Java 8 or higher; Java 11+ preferred).
  • 2+ years experience developing applications using Spring Framework and Spring Boot.
  • 2+ years experience developing RESTful APIs and backend services.
  • 2+ years experience using JPA/Hibernate or similar ORM frameworks.
  • 2+ years experience writing SQL queries and working with relational databases such as Oracle, SQL Server, PostgreSQL, or MySQL.
  • 2+ years experience working in Agile/Scrum or SAFe environments.
  • 1+ year experience supporting applications within regulated environments requiring SDLC documentation, testing evidence, and governance (Federal preferred).
  • Education: Bachelor's degree in Computer Science, Software Engineering, Information Systems, Information Technology, or related technical discipline (or equivalent experience).
  • Certification (Preferred)
    • Oracle Certified Professional Java Developer (OCP)
    • Spring Professional Certification
    • AWS Certified Developer – Associate
    • Microsoft Azure Developer Associate
    • Security+ (preferred for federal environments)
    • Certified Scrum Developer (CSD) or Scrum certification
  • Technical Skills (Required)
    • Java Development
      • Strong experience with Java 8/11+
      • Object-Oriented Programming (OOP)
      • Exception handling, collections, concurrency, multithreading
      • Performance tuning and optimization
    • Spring Framework
      • Spring Boot
      • Spring MVC
      • Spring Data JPA
      • Spring Security
      • Dependency Injection (IoC)
    • API and Backend Deployment
      • RESTful API development
      • JSON/XML processing
      • API security
      • OAuth2, JWT authentication
      • Backend service integration
    • Database Development
      • Oracle
      • SQL Server
      • PostgreSQL
      • MySQL
      • SQL optimization
      • Stored procedures
      • JPA/Hibernate
    • Cloud and DevSecOps
      • Git
      • GitHub
      • GitLab
      • Jenkins
      • Maven
      • Gradle
      • Docker
      • Kubernetes (preferred)
      • CI/CD pipeline support
    • Testing and Quality Assurance
      • JUnit
      • Mockito
      • Integration Testing
      • Functional Testing
      • Performance Testing
      • SonarQube
      • Static Code Analysis
    • Security and Compliance
      • Secure Coding Practices (OWASP)
      • Vulnerability remediation
      • RMF awareness
      • Section 508 awareness (where applicable)
      • Authentication and authorization best practices
  • Preferred Skills
    • Microservices architecture
    • Event-driven architecture
    • Cloud-native application development
    • AWS, Azure, or Google Cloud Platform
    • Docker and Kubernetes
    • Messaging technologies (Kafka, RabbitMQ, ActiveMQ)
    • Experience supporting NIH, HHS, or other federal agencies
    • Experience modernizing legacy Java applications
    • Familiarity with AI-assisted development tools such as GitHub Copilot, Cursor, Claude Code, Codex, or similar to improve development productivity, code quality, documentation, and modernization efforts.

Compensation and Benefits

The projected compensation range for this position is $43,27/hr to $49.04/hr benchmarked in the Washington, D.C. metropolitan area. The salary range provided is a good faith estimate representative of all experience levels. Salary at LCG is determined by various factors, including but not limited to role, location, the combination of education/training, knowledge, skills, competencies, certifications, and work experience.

LCG offers a competitive, comprehensive benefits package which includes health insurance options (medical, dental, vision), life and disability insurance, retirement plan contributions, as well as paid leave, federal holidays, professional development, and lifestyle benefits.

Devoted to Fair and Inclusive Practices

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law.

If you are interested in applying for employment with LCG and need special assistance or an accommodation to apply for a posted position, contact our Human Resources department by email at hr@lcginc.com.

Securing Your Data

Beware of fraudulent job offers using LCG's name. LCG will never request payment-related details or advancement of money during the application process. Legitimate communication will only come from lcginc.com or system@hirebridgemail.com emails, not free commercial services like Gmail or WhatsApp. If you receive suspicious emails asking for payment or personal information, contact us immediately at hr@lcginc.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.