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Java Junior Jobs in Delaware (NOW HIRING)

Marencor

UI Developer/ React/Node

Wilmington, DE · On-site

$165 - $180/hr

Creating system documentation and mentoring junior team members (10%) * Perform recruiting ... Travel for this position is approximately 5-10%. Qualifications * 7+ years' experience in java or ...

Mavik Labs LLC

Golang Developer Web3 Experiance

Dover, DE · On-site +1

$120K - $156K/yr

... junior engineers in best practices. Required Skills: - 5+ years of experience with Go, focusing on large-scale applications. - Expertise in microservices architecture and distributed systems ...

Best Egg

Software Engineer II

Wilmington, DE · On-site

$80K - $100K/yr

Mentors junior engineers and helps shape team norms. * Contributes meaningful improvements to code ... Java and or Python. * Intermediate experience delivering production-quality features in modern ...

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Java Junior information

What is a Java Junior?

Java Junior developers are entry-level software engineers who specialize in programming using the Java language. They typically have a foundational understanding of Java syntax, object-oriented programming concepts, and basic software development practices. Java Juniors often assist with coding, debugging, and testing under the supervision of more experienced developers, while continuously learning and building their technical skills. Their responsibilities may also include maintaining existing applications and writing simple features as part of a development team.

What are the key skills and qualifications needed to thrive as a Java Junior, and why are they important?

To thrive as a Java Junior, you need a solid understanding of Java programming, object-oriented principles, and a relevant degree or coursework in computer science. Familiarity with development tools like Eclipse or IntelliJ IDEA, version control systems (such as Git), and basic knowledge of databases are typically expected. Strong problem-solving abilities, eagerness to learn, and good communication skills help juniors excel in collaborative and fast-paced environments. These skills enable efficient coding, effective teamwork, and smooth adaptation to evolving project requirements.

What are some typical challenges a Java Junior might face when starting out, and how can they overcome them?

As a Java Junior, you may encounter challenges like understanding complex codebases, adapting to agile development practices, and debugging unfamiliar issues. It's common to feel overwhelmed at first, but asking questions, participating in code reviews, and pairing with more experienced developers can accelerate your learning. Regularly practicing coding, studying documentation, and using collaboration tools will also help you quickly become a productive member of the team.

What is the difference between Java Junior vs Java Developer?

AspectJava JuniorJava Developer
Required Experience0-2 years2+ years
CertificationsOptional, entry-level certificationsOptional, advanced certifications
Work EnvironmentTraining, mentorship-focusedProject-driven, independent
ResponsibilitiesLearning, basic coding tasksDesign, develop, maintain Java applications

Java Junior roles are entry-level positions focused on learning and supporting Java projects, often requiring minimal experience. Java Developers have more experience, handle complex tasks, and contribute to project design and implementation. The transition from Java Junior to Java Developer involves gaining skills, experience, and certifications over time.

What are the most commonly searched types of Java jobs in Delaware?

The most popular types of Java jobs in Delaware are:

What are popular job titles related to Java Junior jobs in Delaware?

For Java Junior jobs in Delaware, the most frequently searched job titles are:

What job categories do people searching Java Junior jobs in Delaware look for?

The top searched job categories for Java Junior jobs in Delaware are:

What cities in Delaware are hiring for Java Junior jobs?

Cities in Delaware with the most Java Junior job openings:

Java Junior jobs near you
Infographic showing various Java Junior job openings in Delaware as of September 2026, with employment types broken down into 59% Full Time, 8% Part Time, and 33% Contract. Highlights an 84% In-person, 8% Hybrid, and 8% Remote job distribution.

UI Developer/ React/Node

Wilmington, DE • On-site

Marencor
See more jobs at Marencorexternal

$165 - $180/hr

Full-time

Re-posted 2 days ago

Key responsibilities

  • Perform code reviews to uphold best practices and architectural patterns.

  • Design new software implementation patterns for scalable consumption.

  • Create system documentation and mentor junior team members.

Job description

Title: UI Developer/ React/Node

Location: Hybrid/KS / Chicago, IL /  IA / Manassas, VA / Wilmington, DE

Salary: $165-180 Target

Job Description:

A Staff Engineer is the continuation of an individual contributor role that begins to focus on the scaling of engineering. The person in this role is responsible for the design, development, modification, analysis and implementation of software programming applications for the various subsidiaries of the corporation.  They are responsible for updating and/or enhancing existing software capabilities applying principles and techniques of computer science, engineering, and mathematical analysis.    

Core Responsibilities:

  • Perform code review upholding best practices and architectural patterns (25%)
  • Design new software engineering implementation patterns for consumption at scale (25%)
  • Solving complex business challenges leveraging new and existing technology (35%)
  • Creating system documentation and mentoring junior team members (10%)
  • Perform recruiting screening and technical assessments of incoming candidates (5%)

Other Duties:

  • Promote innovation with the courage to challenge norms.
  • Tackle complex problems using simplification and experimentation.
  • Guard product quality through diligence in security, performance, and observability.
  • Aggressively seek out technical debt, in both process and code, and ideate on faster delivery.
  • Maintain and refine metrics for engineering success. Advocate for these through code review.
  • Invest in mentoring team members. Nurture growth in autonomy through critical thinking, problem analysis, and technical maturity.Proposes software solutions. 
  • Develops, designs, and edits original applications, or modifies third-party applications. 
  • Tests and approves applications. 
  • Analyze and define software requirements to determine specifications and standards; provides feedback on business requirements to fully leverage technology to improve business functions.
  • Produces significant new system functionality or defect resolution with minimal direction.
  • Can perform adequate peer review on any changes in the system.
  • Can be consulted to provide recommendations to solve business issues based on experience and knowledge of current technology. 
  • May provide rotating on-call support of production systems.
  • Partner with the various subsidiaries to create a vision for future advancement of our applications.
  • Travel for this position is approximately 5-10%.

Qualifications

  • 7+ years’ experience in java or object-oriented programming
  • 7+ years of React experience
  • 5+ years of Nextjs experience
  • 5+ years’ experience in an agile environment
  • 5+ years’ experience in integrating systems through APIs
  • Ability to communicate complex ideas into technical implementation requirements
  • Experience working in an agile environment focusing on iterative delivery
  • Ability to convey complex problems (technical or organizational) concisely, accompanied by thoughtfully proposed solutions
  • Performs work independently. 
  • Uses advanced techniques, theories, and processes to complete work.
  • Software Development Life Cycle experience.
  • Ability to thrive and produce results with little or no supervision in a fast-paced, entrepreneurial environment.
  • Excellent communication skills with ability to interact seamlessly at all levels with both technical and business stakeholders.
  • Superior problem solving and analytical skills.
  • Bachelors Degree in Computer Science, Information Technology, Information Systems, or a related discipline. Equivalent experience and/or alternative qualifications will be considered.