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Junior Ruby On Rails Developer Jobs in Delaware (NOW HIRING)

Siemens

Here at Siemens, we take pride in enabling sustainable progress through innovative rail technology ... Does gaining hands-on experience, real-world skills, and valuable knowledge while developing ...

CEDENT

Sr UI Developer (Wilmington, DE)

Wilmington, DE

$58.25 - $75.50/hr

... rail transportation systems. If you have a passion for crafting responsive and user-friendly ... Hands-on experience with AWS technologies. Testing Support: Collaborate with Product Owner and Test ...

Cedent

Sr UI Developer (Wilmington, DE)

Wilmington, DE · On-site

$58.25 - $75.50/hr

... rail transportation systems. If you have a passion for crafting responsive and user-friendly ... Cloud-Native Development: * Hands-on experience with AWS technologies. Testing Support:

MSYS Inc.

Full Stack Developer - Onsite

Wilmington, DE · On-site

Workload distribution between frontend and backend development may vary based on project priorities ... Experience reviewing junior developer code and mentoring team members * Application design and ...

New

AECOM

Traction Power Project Engineer

Newark, DE · On-site

Strong interest in railway or transit systems * Knowledge of Traction Power Load Flow Simulation Software's( e.g, Train, ETRAX, Openpowernet) * Electrical Engineering Degree with a focus on Power ...

AECOM

Traction Power Project Engineer

Newark, DE · On-site

Strong interest in railway or transit systems * Knowledge of Traction Power Load Flow Simulation Software's( e.g, Train, ETRAX, Openpowernet) * Electrical Engineering Degree with a focus on Power ...

ICONMA

Senior VC++ MFC Developer

Wilmington, DE · On-site

$53 - $69.75/hr

... mentoring junior engineers to ensure high standards of performance and reliability ... Required : • Demonstrate at least ten years of hands on experience in VC plus plus development ...

Arcadis

Staff Structural Engineer

Wilmington, DE · Hybrid

$85K - $125K/yr

In this position, you will lead key project components, mentor junior engineers, and contribute to ... Exercise judgment on details of work and in making preliminary selections and adaptations of ...

WSFS Bank

Senior .Net Software Developer

Newark, DE · On-site

$53.25 - $70.50/hr

... junior developers and provide technical leadership to the development team. • Stay up-to-date ... NET technology stack • Strong hands on experience with reporting tools like Microsoft SSRS. • ...

WSFS Bank

Senior .Net Software Developer

Newark, DE · On-site

$53.25 - $70.50/hr

... junior developers and provide technical leadership to the development team. • Stay up-to-date ... NET technology stack • Strong hands on experience with reporting tools like Microsoft SSRS. • ...

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Junior Ruby On Rails Developer information

See Delaware salary details

$25.5K

$122.2K

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How much do junior ruby on rails developer jobs pay per year?

As of Sep 11, 2026, the average yearly pay for junior ruby on rails developer in Delaware is $122,219.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,600.00 and $140,600.00 per year, depending on experience, location, and employer.

What is a junior Ruby on Rails developer?

A Junior Ruby on Rails Developer is an entry-level software developer specializing in building web applications using the Ruby on Rails framework. They typically work under the guidance of senior developers, assisting in writing and maintaining code, debugging issues, and implementing new features. Juniors are expected to have a basic understanding of Ruby, Rails conventions, databases, and version control systems like Git. They often collaborate with teams to develop scalable and efficient applications while continuously learning industry best practices. This role serves as a foundation for advancing to more senior development positions.

What does a junior Ruby on Rails developer do?

As a Junior Ruby On Rails Developer, you'll generally spend your days building new features, fixing bugs, and writing tests under the guidance of more experienced engineers. You will regularly collaborate with other developers, product managers, and designers through pair programming, code reviews, and team meetings. Expect to dedicate a portion of your time to learning new best practices and tools, as ongoing education is key early in your career. The work environment is often collaborative and supportive, providing mentorship and feedback to help you grow your technical skills and confidence.

What are the key skills and qualifications needed to thrive as a junior Ruby on Rails developer?

To thrive as a Junior Ruby On Rails Developer, you should have a foundational knowledge of Ruby, Rails framework, web development principles, and basic database design, often supported by a relevant technical degree or coding bootcamp experience. Familiarity with version control systems like Git, testing frameworks such as RSpec, and cloud platforms is highly valued in entry-level roles. Strong problem-solving abilities, a willingness to learn, and effective communication skills help juniors contribute positively to their teams. These competencies empower developers to adapt quickly, collaborate efficiently, and deliver functional web applications in a fast-evolving tech environment.

What are the most commonly searched types of Ruby On Rails Developer jobs in Delaware?

The most popular types of Ruby On Rails Developer jobs in Delaware are:

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For Junior Ruby On Rails Developer jobs in Delaware, the most frequently searched job titles are:

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Junior Ruby On Rails Developer jobs near you
Infographic showing various Junior Ruby On Rails Developer job openings in Delaware as of August 2026, with employment types broken down into 82% Full Time, 6% Part Time, and 12% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $122,219 per year, or $58.8 per hour.

Java AWS Developer - Python & Microservices - Onsite

Wilmington, DE • On-site

Saransh Inc
IT Services • 51 - 200 employees
Learn more about Saransh Incexternal

$49.50 - $64/hr

Contractor

Re-posted 29 days ago

Job description

Job Title: Java AWS Developer - Python & MicroServices 
Work Location: Wilmington, DE/Jersey City, NJ/NYC, NY(Day 1 Onsite)
Duration: Long Term  
 
Job Description
  • 8+ years of experience in Java development, with proficiency in Java 8+.
  • Strong experience with Spring Boot, Spring Cloud, and other modern Java frameworks.
  • Experience with Camunda BPM or similar business process management tools and process automation frameworks.
  • Proficiency in developing and consuming RESTful APIs.
  • Experience in integrating backend systems with UI React platforms and knowledge of frontend-backend communication (e.g., using REST APIs, WebSockets, etc.).
  • Strong understanding of microservices architecture, cloud-based applications, and containerized environments (Docker, Kubernetes).
  • Experience with SQL and NoSQL databases, including database design and query optimization.
  • Familiarity with Agile development methodologies, version control systems (Git), and CI/CD pipelines.
  • Excellent problem-solving and debugging skills, with a focus on performance and scalability.
  • Strong communication and collaboration skills, with the ability to work effectively in a team and mentor junior developers."
  • "Develop and maintain high-quality, scalable, and performant backend services using Java, Spring Boot, Spring Cloud, and other Java frameworks.
  • Collaborate closely with frontend teams to integrate React-based user interfaces with backend systems, ensuring smooth communication and efficient data exchange."
  • "Work with Camunda BPM to design and integrate business process management workflows into backend applications, streamlining process automation and improving efficiency.
  • Ensure that applications are developed with best practices for security, scalability, and performance.
  • Write well-tested, maintainable, and high-quality code in a collaborative, Agile environment"
  • "Troubleshoot, debug, and optimize applications to improve performance and user experience.
  • Provide technical leadership, mentoring junior developers, and guiding the team in adopting best practices and improving coding standards."
  • "Participate in the architecture and design of backend systems, making key decisions regarding technology and implementation.
  • Collaborate with cross-functional teams to ensure that business requirements are met with technical solutions."
  • Stay current with the latest developments in Java, UI technologies, and BPM, incorporating new tools and best practices into the development process.
 
Mandatory skills:
  • Java Frameworks - Spring Boot, AWS Cloud, microservices, kafka
  • DevOps tools - Splunk, Dynatrace & Automation
  • React Based UI
  • RESTful APIs.
  • DevOps - Automation
  • Jira, confluence
  • Scrum Agile work exposure