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

Galent

Senior mainframe developer

Wilmington, DE · On-site

We have an immediate opening for a Sr Mainframe Developer with a leading IT Service Consulting ... hands-on coding development experience. · Experience with version control. · Ability to ...

Amtrak

Electrical Engineer - 90103892 - Bear

Bear, DE · On-site

... of our railroad is due to our employees. Are you ready to join our team? Our values of 'Do the ... By living the Amtrak values, focusing on our capabilities, and actively embracing and fostering ...

Sarian, Inc.

Senior Java Developer

Newark, DE · On-site

$56 - $71.25/hr

Role: Sr. Java Developer Location: Newark, DE Onsite position Fulltime position JD Skill: Sr. Java ... Good experience in Java spring boot hands on and development. * Exposure frontend technologies like ...

Scout ET

Senior Oracle Developer

Wilmington, DE

Senior Oracle Developer Location: Wilmington DE Duration: 6 months to a year. Interview Type: Phone ... PL/SQL * Strong on stored procedures * Unix shell scripting * Performance tuning * DW - data ...

Alstom

Lead Design Engineer

New Castle, DE · On-site

$99K - $130K/yr

Experience working 'hands on' with railway equipment (ideally in the environment of Rolling Stock ... Progress towards engineering leadership roles. * Benefit from a fair and dynamic reward packag e ...

Alstom

Lead Design Engineer

New Castle, DE · On-site

$99K - $130K/yr

Experience working 'hands on' with railway equipment (ideally in the environment of Rolling Stock ... Progress towards engineering leadership roles. * Benefit from a fair and dynamic reward packag e ...

Alstom

Lead Design Engineer

New Castle, DE

$99K - $130K/yr

Experience working 'hands on' with railway equipment (ideally in the environment of Rolling Stock ... Progress towards engineering leadership roles. * Benefit from a fair and dynamic reward packag e ...

AECOM

Traction Power Project Engineer

Newark, DE · On-site

... rail transit (LRT), or other electrified transportation networks. Responsibilities: * Assist senior ... Electrical Engineering Degree with a focus on Power Systems * Proficiency in Microsoft Office Suite ...

AECOM

Traction Power Project Engineer

Newark, DE · On-site

... rail transit (LRT), or other electrified transportation networks. Responsibilities: * Assist senior ... Electrical Engineering Degree with a focus on Power Systems * Proficiency in Microsoft Office Suite ...

Judge Group, Inc.

Sr Mainframe Developer

Wilmington, DE · On-site

$50.50/hr

Our client is currently seeking a Sr Mainframe Developer Develops and implements solutions that ... Must have hands-on coding development experience. Experience with version control. Ability to ...

Judge Group, Inc.

Sr Mainframe Developer

Wilmington, DE · On-site

$50.50/hr

Our client is currently seeking a Sr Mainframe Developer Years of experience required: 8+ Develops ... Must have hands-on coding development experience. Experience with version control. Ability to ...

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Senior Ruby On Rails Developer information

See Delaware salary details

$95.1K

$157.9K

$198.7K

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

As of Jun 29, 2026, the average yearly pay for senior ruby on rails developer in Delaware is $157,860.00, according to ZipRecruiter salary data. Most workers in this role earn between $142,600.00 and $175,700.00 per year, depending on experience, location, and employer.

What is a Senior Ruby On Rails Developer job?

A Senior Ruby on Rails Developer is an experienced software engineer specializing in building, maintaining, and optimizing web applications using the Ruby on Rails framework. They are responsible for writing clean, efficient code, designing application architecture, and ensuring performance and scalability. Senior developers also mentor junior team members, collaborate with cross-functional teams, and implement best practices in development, testing, and deployment. Their role often includes problem-solving, debugging complex issues, and staying updated with the latest industry trends.

What are the key skills and qualifications needed to thrive in the Senior Ruby On Rails Developer position, and why are they important?

To thrive as a Senior Ruby On Rails Developer, you need deep expertise in Ruby, Rails frameworks, object-oriented programming, and web application architecture, often supported by a bachelor's degree in computer science or related experience. Familiarity with development tools such as Git, PostgreSQL, Docker, RSpec, and cloud platforms, as well as relevant certifications, can enhance your effectiveness. Exceptional problem-solving, leadership, and communication skills help you mentor team members and coordinate with stakeholders. These competencies are critical to creating robust, scalable applications and contributing to both technical excellence and team success.

What are typical daily responsibilities for a Senior Ruby On Rails Developer?

As a Senior Ruby On Rails Developer, your day-to-day tasks typically include designing and developing new features, maintaining and optimizing existing codebases, conducting code reviews, and integrating third-party APIs. You will often collaborate closely with product managers, UI/UX designers, and other engineers to ensure smooth project delivery and uphold best practices within the team. Additionally, you may mentor junior developers, troubleshoot complex technical issues, and contribute to architectural decisions. This multifaceted role offers both technical challenge and the opportunity to drive meaningful impact within your organization.

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Senior Ruby On Rails Developer jobs near you

Senior mainframe developer

Galent

Wilmington, DE • On-site

Other

Posted 15 days ago

Key responsibilities

  • Develop and implement solutions that address complex business challenges to enhance data-driven decision-making and operational efficiency.

  • Prepare architecture and design documents for complex banking applications considering design constraints.

  • Troubleshoot problems and work with product teams and stakeholders to understand complex requirements and break them down for design and development.

Job description

We have an immediate opening for a Sr Mainframe Developer with a leading IT Service Consulting company in Wilmington, DE .



Job title: Sr Mainframe Developer

Role is onsite (5 days/wk)

Client Location: Wilmington, DE


Years of experience required: 8+


Job Description:

· Develops and implements solutions that address complex business challenges, enhancing the ability to make data-driven decisions and improving operational efficiency

· Prepares architecture and design documents for complex Banking applications keeping in mind design constraints that translate to coding

· Develops secure and high-quality code that runs in sync with other highly efficient sub systems

· Think out-of-the-box proactively and be creative by challenging conventional approaches and contribute towards operational efficiency

· Troubleshoots problems, works with Product Teams and other stake holders to understand complex Requirements and be able to break them down to design/development.


Job Requirements:

· Candidate should have expertise in COBOL, JCL, VSAM, IMS, CICS & DB2.

· Expertise in CICS Programming including knowledge of CICS Screen Programming is Mandatory

· Experience/Knowledge in building and maintaining new Test regions is preferred.

· Experience coding in MQ Series & IMS DB is Mandatory.

· Experience in Banking Compliance and Regulatory Platform is preferred.

· Must have hands-on coding development experience.

· Experience with version control.

· Ability to communicate effectively with team members and clients and excellent problem-solving skills


We are an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, citizenship status, age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable law. https://www.e-verify.gov/sites/default/files/everify/posters/IER_RighttoWorkPoster.pdf

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