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

Marencor

UI Developer/ React/Node

Wilmington, DE · On-site

$165 - $180/hr

... focus on the scaling of engineering. The person in this role is responsible for the design ... Creating system documentation and mentoring junior team members (10%) * Perform recruiting ...

Hologic Inc.

Lead Cloud DevOps Platform Engineer

Newark, DE · Remote

$51.50 - $70.75/hr

The ability to explain complex architectural trade-offs to both executive leadership and junior ... Experience: 6+ years of experience with Azure (preferred), GCP, or AWS, specifically focused on IAM ...

Hologic

Lead Cloud DevOps Platform Engineer

Newark, DE · On-site

$51.50 - $70.75/hr

The ability to explain complex architectural trade-offs to both executive leadership and junior ... Experience: 6+ years of experience with Azure (preferred), GCP, or AWS, specifically focused on IAM ...

Elevance Health

BI Developer Senior

Wilmington, DE · Hybrid

Please note that per our policy on hybrid/virtual work, candidates not within a reasonable ... Ability to train and mentor junior team members in advanced BI product development and team ...

rogersco

Senior Process Engineer

Bear, DE · On-site

$100K - $129K/yr

... as customers on technical/quality issues and provide special products. * Works to resolve problems, develop, and start up new products. * Serve as an informal leader and mentor junior engineers.

Pennoni

Project Bridge Engineer

Newark, DE · On-site

... on bridge design, rehabilitation and load rating projects while mentoring and developing junior ... Bachelor's Degree in Civil Engineering (focus on Structural Engineering), MS Preferred * Minimum ...

Pennoni

Project Bridge Engineer

Newark, DE · On-site

... on bridge design, rehabilitation and load rating projects while mentoring and developing junior ... Bachelor's Degree in Civil Engineering (focus on Structural Engineering), MS Preferred * Minimum ...

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Junior Ruby On Rails Developer information

See Delaware salary details

$25.5K

$122.2K

$171.6K

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

As of Jun 8, 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 does a typical day look like for a Junior Ruby On Rails Developer?

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 in the Junior Ruby On Rails Developer position, and why are they important?

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 is a Junior Ruby On Rails Developer job?

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 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:
What are popular job titles related to Junior Ruby On Rails Developer jobs in Delaware? For Junior Ruby On Rails Developer jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Junior Ruby On Rails Developer jobs in Delaware look for? The top searched job categories for Junior Ruby On Rails Developer jobs in Delaware are:
What cities in Delaware are hiring for Junior Ruby On Rails Developer jobs? Cities in Delaware with the most Junior Ruby On Rails Developer job openings:
Junior Ruby On Rails Developer jobs near you
Infographic showing various Junior Ruby On Rails Developer job openings in Delaware as of May 2026, with employment types broken down into 75% Full Time, 20% Part Time, and 5% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $122,219 per year, or $58.8 per hour.

UI Developer/ React/Node

Marencor

Wilmington, DE • On-site

$165 - $180/hr

Full-time

Posted 29 days ago

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.