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Mid Level Java Developer Jobs in Claymont, DE (NOW HIRING)

Prophecy Technologies

Java AWS Developer

Malvern, PA · On-site

$50 - $64.75/hr

... Mid-Tier Design specifications and prototypes into system design Responsible for converting ... Advanced Java Concepts~Digital : Microservices~Digital : Spring Boot~Angular 13+

Mirai, LLC

Full Stack Java Developer

Philadelphia, PA · On-site

$53 - $68.25/hr

Company Description Mirai, LLC is an enterprise level healthcare, finance, and technology solutions ... The Developer will be part of a product team of designers and full-stack developers (Java back-end) ...

Mirai, LLC

Full Stack Java Developer

Philadelphia, PA · On-site

$53 - $68.25/hr

Company Description Mirai, LLC is an enterprise level healthcare, finance, and technology solutions ... The Developer will be part of a product team of designers and full-stack developers (Java back-end) ...

Varsity Tutors

Java Tutor

Chester, PA · Remote

$18 - $40/hr

... engineering. * Curriculum Awareness & Adaptive Instruction: Familiar with Java curricula including AP Computer Science A and college-level courses, and common challenges such as understanding ...

Apex Systems

Java Full Stack Developer

Newark, DE · On-site

$51.50 - $66.50/hr

Newark, Delaware (Hybrid) Duration: 12 months Role Overview We are seeking a senior-level Java Full Stack Developer to join the Fraud Technology team. In this role, you will collaborate with product ...

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How much do mid level java developer jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for mid level java developer in Claymont, DE is $56.14, according to ZipRecruiter salary data. Most workers in this role earn between $48.99 and $64.04 per hour, depending on experience, location, and employer.

What is a mid level Java developer?

A Mid Level Java Developer is responsible for designing, developing, and maintaining Java-based applications. They typically have 2-5 years of experience and work on coding, debugging, and optimizing software solutions. They collaborate with teams, follow best coding practices, and may mentor junior developers. Their role involves understanding project requirements, integrating APIs, and ensuring application performance. Mid Level Java Developers contribute to both backend and frontend development, depending on the project needs.

What are the key skills and qualifications needed to thrive as a mid level Java developer?

Successful Mid Level Java Developers possess a solid understanding of Java programming, object-oriented design, and commonly used frameworks such as Spring or Hibernate, typically backed by a relevant degree and professional experience. Familiarity with tools like Git, Maven, popular IDEs (e.g., IntelliJ IDEA or Eclipse), and certifications like Oracle Certified Professional Java Programmer (OCPJP) are advantageous. Strong collaboration, problem-solving abilities, and effective communication skills help developers work efficiently within agile teams and cross-functional projects. Mastering both technical and soft skills ensures smooth project delivery, maintainable code quality, and productive teamwork in dynamic software development environments.

What does a typical workday look like for a mid level Java developer?

As a Mid Level Java Developer, your typical workday often involves writing and testing Java code, troubleshooting existing applications, and participating in code reviews. You'll collaborate closely with other developers, QA engineers, and sometimes product managers in agile sprints to ensure features are delivered according to requirements. Daily stand-up meetings are common, as is the use of tools like Jira for tracking tasks. You may also spend time learning new frameworks or best practices, which helps with both personal growth and contributing to more efficient software solutions.

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Mid-Level Software Engineer

Perpay - Career's Page

Philadelphia, PA

Full-time

Re-posted 27 days ago

Job description

About the Role:

We are looking for experienced Mid-level (Full Stack, Backend, Frontend) Engineers passionate about building an excellent user experience up and down the layers of an application. The ideal candidate has contributed to features on at least one sizable production application using modern frameworks within the past year. An experienced Mid-level Engineer at Perpay will spend their time writing code, reviewing PRs, and helping scope & design new features. We value Engineers who demonstrate excitement around solving tough problems and delivering solutions in a fast-paced environment.

We aim for our Engineering team to be a place that Mid-level Engineers can push our quick-growing startup forward, and grow into future Senior Engineers and Engineering leaders. The significant projects and initiatives available to our Mid-level Engineers provide opportunities to expand experience, ownership, and business value.

Much of our team is full stack, so we look for team members excited to learn new technologies and work across all stacks, even if it's not something you've done before! Our tech stack: Javascript, Typscript, React, React Native, Python, Django, Flask, Kubernetes, AWS, Docker and more.

Our greatest strength is our people and we'd love for you to be one of them!

Responsibilities:
  • Collaborate closely with the development team, including UX designers, product managers, and other Engineers, to implement solutions that meet business needs and provide the best user experience
  • Work with stakeholders to design, build, test, and release new features for our platform
  • Write clean, efficient, and maintainable code. Break down code contributions into reviewable, shippable chunks
  • Contribute to the Engineering design process by bringing forward tradeoffs and opinions
  • Identify opportunities to reduce technical debt and implement changes to improve developer experience and team velocity
  • Participate independently in on-call rotation and coordinate incident response
What You'll Bring:
  • Minimum of 2 years experience as a Software Engineer (excluding internships or coop experiences) with a focus on full stack development
  • Strong proficiency in at least one backend application framework such as Django or Flask and experience with frontend technologies such as React, Angular, or Vue.js
  • Proven experience building, deploying and maintaining scalable web applications, with knowledge of database design and management
  • Knowledge of RESTful API design and integration
  • Experience working with cloud infrastructure and containerization technologies such as AWS, Docker, and Kubernetes is preferred
  • Passion for learning new technologies and keeping up with industry trends
  • Ability to collaborate with cross-functional teams, including UX designers, product managers, and other Engineers
  • Strong communication skills and ability to articulate technical concepts to non-technical stakeholders

Hey, we know not everybody checks all the boxes, so if you're interested, please apply because you could be just what we're looking for!

Apply