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Freelance Java Backend Developer Jobs in Delaware

Saransh Inc

Android Developer - Onsite

Wilmington, DE · On-site

$54 - $71/hr

Work with backend engineers to integrate mobile applications with backend services. * Troubleshoot ... Strong proficiency in Kotlin and Java programming languages. * Solid understanding of Android SDK ...

Spruce Infotech Inc

Sr. Java Developer

Wilmington, DE · On-site

$55.50 - $70.75/hr

Provide expert knowledge and guidance for acquisition related backend Java and/or frontend Web features. Ensure that the development teams are adhering to the client SDLC process. Provide technical ...

Apton Inc

Java Fullstack

Wilmington, DE · On-site

$51 - $65.75/hr

Strong frontend and backend development experience * AWS, including: * EC2 * S3 * AWS Lambda and/or other serverless technologies

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Urgent to Fill-Java Developer with React & AWS -Wilmington, DE-Onsite

Wilmington, DE • On-site

Ekcel Technologies Inc
See more jobs at Ekcel Technologies Incexternal

$51 - $65.75/hr

Contractor

Re-posted 23 days ago

Job description

Role : Java React Consultant

Location : Wilmington, DE

Job Type : 5 Days Office

Primary Skills : Java + React + AWS

Job Description

We are looking for a highly skilled Senior Full-Stack Developer to join our team in Wilmington, DE. The ideal candidate will possess strong experience in backend and frontend technologies, cloud infrastructure, database management, and DevOps practices to build, deploy, and maintain scalable and secure applications.

Key Responsibilities
  • Design, develop, and maintain backend services primarily using Java and Spring Boot frameworks.
  • Create responsive, high-performance web applications using React.js for the frontend.
  • Architect, deploy, and manage cloud solutions using AWS services such as EC2, S3, Lambda, RDS, etc.
  • Develop and maintain Postgres databases with a focus on performance tuning, data integrity, and secure access.
  • Establish and maintain CI/CD pipelines and automate deployment workflows using tools like Jenkins, Docker, Kubernetes, and Terraform.
  • Collaborate with product owners, architects, and other engineers to translate business requirements into technical solutions.
  • Ensure robust application security and compliance with best practices.
  • Participate in code reviews, mentoring junior engineers, and facilitating knowledge sharing.
Qualifications
  • Bachelor's or Master’s degree in Computer Science, Information Technology, or related field.
  • 8-12 years of professional experience in full-stack development, specifically using Java and React.
  • Proven expertise with AWS cloud services and architecture.
  • Strong experience with Postgres or similar relational databases.
  • Hands-on experience with DevOps pipelines and container orchestration technologies.
  • Strong analytical, problem-solving, and communication skills.
  • Ability to work effectively in a collaborative, fast-paced environment.
  • Experience with microservices architecture and RESTful APIs.
  • Knowledge of Agile/Scrum development methodologies.