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

Esri

Sr. Software Developer - iOS Apps

Portland, ME

$61.50 - $79.50/hr

As a Senior Software Developer, you'll design and implement intuitive, high-performance mobile apps ... You'll focus on solving complex challenges like offline data synchronization, real-time mapping ...

LJB, Inc.

Senior Civil Engineer

South Portland, ME · On-site

$110K - $179K/yr

Interface and build relationships with clients and public agencies on an as-needed basis ... SENIOR CIVIL ENGINEER ESSENTIAL CREDENTIALS: Required Qualifications: * Candidates should meet the ...

Stantec

Civil Engineer - EIT, Aviation

Portland, ME · On-site

A career in transportation is more than bridges, roads, and rail. As we plan, design, and manage ... a team member on small and large projects under the guidance of a Senior Engineer or Project ...

Esri

Sr. Software Developer - Android Apps

Portland, ME · On-site

$123K - $202K/yr

As a Senior Software Developer, you'll drive technical direction, mentor others, and architect ... Kotlin programming * Developing on the Android platform * Object oriented design skills * Data ...

Rimini Street, Inc.

Sr. Solution Engineer

Mexico, ME

$57.50 - $74.25/hr

Building on that experience, you will learn to articulate the strategy and roadmap for all products supported by Rimini Street. Essential Duties & Responsibilities As a Senior Solution Engineer, you ...

HDR

Senior Electrical Studies Engineer

Portland, ME · On-site

$111K - $145K/yr

Senior Electrical Studies Engineer HDR Engineering is currently seeking a Senior Electrical Studies ... Providing engineering input on specific project design issues and questions * Providing input to ...

WEX

Sr. Solutions Engineer

Portland, ME · Remote

$56.50 - $73/hr

WEX Corporate Payments is a highly innovative and fast-paced division, and this role focuses on ... modern payment rails. Expertise in digitizing complex B2B payment workflows and a deep ...

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

As of Jun 6, 2026, the average yearly pay for senior ruby on rails developer in Maine is $152,708.00, according to ZipRecruiter salary data. Most workers in this role earn between $138,000.00 and $169,900.00 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
Sr. Software Developer - iOS Apps

Sr. Software Developer - iOS Apps

Esri

Portland, ME

$61.50 - $79.50/hr

Other

Posted 12 days ago

Job description

Overview

Join Esri's Field Apps team and take the lead in building next-level iOS applications that empower professionals around the world to make critical decisions in the field. From conservationists tracking endangered species to emergency response teams managing natural disasters, your work will directly impact the tools that drive real-time, location-aware action in the field.

As a Senior Software Developer, you'll design and implement intuitive, high-performance mobile apps using the latest Apple technologies. You'll focus on solving complex challenges like offline data synchronization, real-time mapping, and seamless device integration, all while collaborating with a talented team to build solutions that are as reliable as they are impactful.

Help shape the future of field mobility on iOS and create apps that truly make a difference!

Esri has a Relocation Assistance Program and can provide support with relocating to the Portland, ME area for this position.

Responsibilities

  • Design, develop, and test functionality for the latest iOS apps
  • Join forces with other developers and designers throughout the development process
  • Understand user requirements; these apps have to meet real-world scenarios
  • Develop software for use in field mapping, data collection, sensor networks, street navigation, and more
  • Solve complex problems with design, development, and user experience
  • Be an Apple advocate within Esri and at conferences; help us grow our iOS development expertise
  • Develop strong skills and best practices on the team through participation in design and code reviews

Requirements

  • Be an Apple enthusiast and a game changer
  • 5+ years of commercial software development experience
  • You are eager to learn but you've got these things covered:
    • Objective-C and/or Swift
    • Xcode
    • Developing with the Cocoa and Cocoa Touch APIs
    • Object oriented design skills
    • Data structures and algorithms
  • App development issues related to performance optimization and caching
  • All the other important things that will help you be successful at Esri:
    • Good communication skills, 
    • A team player who can also fly solo
    • The ability to thrive in an environment that changes often
  • Bachelor's degree in computer science, engineering, or mathematics
  • Did we mention you've gotta love iOS?

Recommended Qualifications

  • Submitted apps to the App Store
  • Protocol oriented design skills
  • Prior experience building spatial/mapping applications or software components
  • Experience with security and/or native hardware components (GPS, camera, etc.)
  • Experience with one or more of the following technologies: GIS, RESTful web services, or Git
  • Master's degree in computer science, GIS, or related field

Got a GitHub? Put it on your resume. Have an app in the App Store? Tell us which one(s). Let us see your work.

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About ESRI

Sourced by ZipRecruiter

Our passion for improving quality of life through geography is at the heart of everything we do. Esri's geographic information system (GIS) technology inspires and enables governments, universities, and businesses worldwide to save money, lives, and our environment through a deeper understanding of the changing world around them.

Industry

Scientific research and development services

Company size

1,001 - 5,000 Employees

Headquarters location

Redlands, CA, US

Year founded

1969

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