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

Java Developer Contractor

Malvern, PA ยท On-site

$93K - $104K/yr

Job Title: Senior Full-Stack Java Developer - Contract Role Overview We are seeking a highly ... Expert-level capability designing, debugging, and scaling core Java application frameworks ...

Java Developer Contractor

Malvern, PA

$51.50 - $66.50/hr

Job Title: Senior Full-Stack Java Developer - Contract Role Overview We are seeking a highly ... Expert-level capability designing, debugging, and scaling core Java application frameworks ...

Full Stack Java Developer

Wilmington, DE ยท On-site

$51 - $65.75/hr

Wilmington, DE Level: Advanced (10+ years of experience) Work Setup: Onsite (5 days/week) Required Skills: o 10+ years of Full Stack Java experience o Technologies: Spring Boot, Kafka, AWS, Cloud ...

Who You Are You are a senior-level Java engineer who thrives in complex, distributed systems. You take ownership of production services, make thoughtful technical decisions, and collaborate well ...

Senior JAVA Developer

Philadelphia, PA ยท On-site

$52.50 - $67/hr

Experience delivering software under CMMI Level 3+ or equivalent * Decipher, read and understand ... Java SE 25 Developer * Must have good communication skills including communication with and with ...

Any domain knowledge in banking esp in trading a plus Level of proficiency: * 5-10 years ... Java proficiency/ certification - none * Working knowledge of the technologies, capability to ...

Java Developer

Wilmington, DE ยท On-site

$49.50 - $64/hr

Java, J2EE, Maven, Spring MVC, Unix, Web Services, PL/SQL, AWS/cloud technologies Skill Level: Intermediate (4-7 years) Location: Delaware Job Requirements

Java Developer with AWS

Malvern, PA

$50 - $64.75/hr

Position-Java Developer with AWS Duration-Contract Location- Malvern, P JD Java, Microservices ... Utilize Spring Boot and Spring MVC to build enterprise level applications with dependency injection ...

Java Developer III

New Castle, DE ยท On-site

$105K - $132K/yr

... and implementing programming applications using Java/J2EE programming language. Work with ... level, and state/local wage requirements. ($105,716-$132,144) Working Days: Shift and hours to be ...

Mid-Level DevOps Developer Company: The Boeing Company The Boeing Company is looking for a Mid-Level DevOps Developer to join the team in Hazelwood, MO; Aurora, CO; Bellevue, WA; Everett, WA; North ...

Mid-Level DevOps Developer Company: The Boeing Company The Boeing Company is looking for a Mid-Level DevOps Developer to join the team in Hazelwood, MO; Aurora, CO; Bellevue, WA; Everett, WA; North ...

Java Developer - Malvern, PA

Malvern, PA

$50 - $64.75/hr

Leverage your expert level IT technical lead services and direction for critical software ... Experience in at least one of programming languages such as Java and Python * Experience with CI/CD ...

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Mid Level Java Developer information

See Wilmington, DE salary details

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

As of Jun 20, 2026, the average hourly pay for mid level java developer in Wilmington, DE is $55.84, according to ZipRecruiter salary data. Most workers in this role earn between $48.75 and $63.65 per hour, depending on experience, location, and employer.

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.

What is a Mid Level Java Developer job?

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 in the Mid Level Java Developer position, and why are they important?

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 are the most commonly searched types of Java Developer jobs in Wilmington, DE? The most popular types of Java Developer jobs in Wilmington, DE are:
What are popular job titles related to Mid Level Java Developer jobs in Wilmington, DE? For Mid Level Java Developer jobs in Wilmington, DE, the most frequently searched job titles are:
What job categories do people searching Mid Level Java Developer jobs in Wilmington, DE look for? The top searched job categories for Mid Level Java Developer jobs in Wilmington, DE are:
What cities near Wilmington, DE are hiring for Mid Level Java Developer jobs? Cities near Wilmington, DE with the most Mid Level Java Developer job openings:
Java Developer Contractor

Java Developer Contractor

AllSTEM Connections

Malvern, PA โ€ข On-site

$93K - $104K/yr

Temporary

Medical, Dental, Vision, Retirement

Posted 24 days ago


Job description

Job Title: Senior Full-Stack Java Developer - Contract
Role Overview
We are seeking a highly accomplished and technically secure Senior Full-Stack Java Developer to join an enterprise project team on a contract basis. In this senior individual contributor seat, you will take operational ownership of designing, engineering, and maintaining scalable, high-performance web applications.
Moving seamlessly between backend system architecture and modern front-end design, you will collaborate with cross-functional stakeholders to translate complex business logic into efficient technical specifications. The ideal contractor possesses a deep technical toolkit across cloud environments, writes pristine, modular code, and brings a proven history of technical leadership to maintain absolute application performance and reliability.
Key Responsibilities
Backend Engineering & Cloud Architecture
โ€ข Scalable Application Design: Architect, build, and sustain advanced, high-availability backend microservices and application layers utilizing Advanced Java frameworks.
โ€ข Cloud Infrastructure: Leverage Amazon Web Services (AWS) to deploy, configure, and optimize cloud-native application components, ensuring code is tailored for distributed cloud environments.
โ€ข Modular Code Delivery: Write clean, highly efficient, well-documented, and reusable code components following strict object-oriented design patterns and enterprise best practices.
Front-End Integration & Full-Stack Synergy
โ€ข Responsive UI Development: Design and engineer complex, single-page client interfaces using Advanced Angular, ensuring robust cross-platform responsiveness and seamless backend API integration.
โ€ข Full-Stack Bridging: Own technical outcomes end-to-end, connecting scalable database structures and RESTful APIs directly to client-facing web components.
Technical Leadership & Quality Governance
โ€ข Requirement Translation: Analyze complex user requirements and translate them into functional, maintainable, and highly secure technical solutions.
โ€ข Code Quality Assurance: Champion high code quality by conducting comprehensive unit testing, system debugging, and active participation in peer code review loops.
โ€ข System Optimization: Stay continuously updated on evolving Java and cloud methodologies, proactively recommending and implementing system performance improvements.
โ€ข Project Mentorship: Provide technical direction, architectural guidance, and process oversight to project team members, drawing on prior technical leadership experience to keep development velocities aligned with milestones.
Qualifications & Requirements
Minimum Qualifications
โ€ข Experience Baseline: Minimum of 6 to 9 years of professional experience in enterprise-grade Java development.
โ€ข Leadership Depth: Minimum of 1 to 2 years of experience serving explicitly in a technical lead or project lead capacity.
โ€ข Advanced Hard Filters (6-9 Years of Verifiable Depth Required for Each):
oAdvanced Java Mastery: Expert-level capability designing, debugging, and scaling core Java application frameworks.
oAdvanced Angular Fluency: Proven hands-on track record building complex front-end modules, managing application state, and driving user-experience optimizations.
oAdvanced AWS Core: Solid working knowledge of cloud-native computing, storage, deployment automation, and routing within the Amazon Web Services ecosystem.
โ€ข Competencies: Exceptional written and verbal communication habits, strong analytical problem-solving skills, and a proven history of operating successfully within fast-paced, collaborative project teams.
Preferred Qualifications
โ€ข Prior professional development experience or domain knowledge within the Investment, Wealth Management, Retirement Services, or broader FinTech industries is highly preferred.
Equal Opportunity Employer / Disabled / Protected Veterans
The Know Your Rights poster is available here:
https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12.pdf
The pay transparency policy is available here:
https://www.dol.gov/sites/dolgov/files/ofccp/pdf/pay-transp_%20English_formattedESQA508c.pdf
For temporary assignments lasting 13 weeks or longer, AllSTEM Connections is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where required.
We are committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please contact your staffing representative who will reach out to our HR team.
AllSTEM Connections participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program.
https://e-verify.uscis.gov/web/media/resourcesContents/E-Verify_Participation_Poster_ES.pdf
We also consider for employment qualified applicants regardless of criminal histories, consistent with legal requirements, including, if applicable, the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance. Pursuant to applicable state and municipal Fair Chance Laws and Ordinances, we will consider for employment-qualified applicants with arrest and conviction records, including, if applicable, the San Francisco Fair Chance Ordinance. For Los Angeles, CA applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.
Additional Skills
(none specified)
AllSTEM Representative Contact Info
Account Executive:
Nichols
Branch Phone:
(909) 244-1777
Location:
Ontario, CA