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Senior Software Developer Jobs in Maine (NOW HIRING)

Esri

Sr. Software Developer - iOS Apps

Portland, ME · On-site

$61.50 - $79.50/hr

Esri is a leader in GIS technology, and they are seeking a Senior Software Developer to join their Field Apps team. The role involves designing and implementing high-performance iOS applications that ...

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 using the latest Apple technologies. You'll focus on solving complex challenges like offline data ...

Esri

Sr. Software Developer - iOS Apps

Portland, ME · On-site

$123K - $202K/yr

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 ...

Unum UK

Senior Software Engineer - Java/J2EE

Portland, ME

$127K - $168K/yr

The Senior Software Engineer is a key technical leader within an Agile team, partnering closely with the Technical Product Owner and Principal Software Engineer to ensure highquality, scalable ...

Compunnel

Senior Software Engineer

Westbrook, ME · On-site

$124K - $164K/yr

We're looking for a Software Engineer to build a contract-verification framework for Client's AI/ML ... Work closely with a senior architect on initial designs, then independently own implementation in ...

NinjaOne

About the Role As a Senior Software Engineer on the NinjaOne team, contributing to our IT Operations product suite, designing and implementing scalable new solutions and product improvements.

Compunnel

Senior Software Engineer

Westbrook, ME · On-site

$124K - $164K/yr

Previous experience in machine learning as evidenced by delivering solutions into production Excellent software engineering skills including a test-driven mindset Strong programming skills in Python ...

NinjaOne

$119K - $157K/yr

About the Role As a Senior Software Engineer on the NinjaOne team, contributing to our IT Operations product suite, you will be designing and implementing scalable new solutions and product ...

NinjaOne

$119K - $157K/yr

About the Role As a Senior Software Engineer, Java at NinjaOne, you'll play a key role in enhancing our IT Operations product suite by designing and implementing scalable solutions and platform ...

NinjaOne

$119K - $157K/yr

About the Role As a Senior Software Engineer, Java at NinjaOne, you'll play a key role in enhancing our IT Operations product suite by designing and implementing scalable solutions and platform ...

NinjaOne

About the Role We are hiring a Senior C++ Software Engineer to join our growing Endpoint State and Control team, focused on defining and enforcing endpoint behavior across a managed environment. We ...

eNett

Senior Software Development Engineer

Portland, ME · On-site

$125K - $165K/yr

Programming/Software Development: As a Staff Engineer, you are an expert across multiple tech ... senior leadership. * Ability to work independently and as a strategic lead within a cross ...

WEX

Senior Software Development Engineer

Portland, ME · On-site

$125K - $165K/yr

Programming/Software Development: As a Staff Engineer, you are an expert across multiple tech ... senior leadership. * Ability to work independently and as a strategic lead within a cross ...

Compunnel

Senior Software Engineer

Westbrook, ME · On-site

$124K - $164K/yr

Builds groundwork for data consumers (software or human) to easily retrieve needed data for evaluations and experiments. Builds operational data use cases such as moving large volumes of data across ...

NinjaOne

About the Role As a Senior Software Engineer on the NinjaOne team, contributing to our IT Operations product suite, designing and implementing scalable new solutions and product improvements.

Cisco

Senior Software Engineer, Backend

Augusta, ME · On-site +1

$165K - $241K/yr

... and developer experience. * Work with various groups within Cisco to understand their and our ... Experience developing software using C++11 or newer standards. * CI/CD & Containerization:

NinjaOne

$119K - $157K/yr

About the role We are looking for a Senior Software Engineer to join a newly formed team focused on accelerating the capabilities of the NinjaOne platform through manifest-driven development. This ...

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Senior Software Developer information

See Maine salary details

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How much do senior software developer jobs pay per hour?

As of Jul 27, 2026, the average hourly pay for senior software developer in Maine is $59.77, according to ZipRecruiter salary data. Most workers in this role earn between $50.72 and $67.02 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Software Developer, and why are they important?

To thrive as a Senior Software Developer, you need deep expertise in programming languages, software architecture, and problem-solving, typically backed by a bachelor’s degree in computer science or a related field. Proficiency with development frameworks, version control systems like Git, and cloud platforms such as AWS or Azure is standard, and certifications in these areas can be beneficial. Leadership, strong communication, and mentoring abilities set standout candidates apart in this role. These skills ensure that complex projects are delivered efficiently, code quality is maintained, and junior team members are effectively guided for overall team success.

What Is a Senior Software Developer?

Senior software developers have several years of experience in the software industry. They have proven successful in exceeding client expectations when developing programs and have provided excellent support in the managing of those applications. They have worked their way up from junior software developer positions and have mastered a variety of coding languages and programs. Senior software developers train and oversee a team of junior software developers.

What kinds of projects and responsibilities can a Senior Software Developer expect to handle on a daily basis?

As a Senior Software Developer, you’ll typically be responsible for leading complex development projects, designing technical solutions, and mentoring junior team members. Daily tasks often include writing and reviewing code, participating in architecture discussions, collaborating with cross-functional teams (such as QA, product management, and DevOps), and troubleshooting high-level technical issues. You may also be involved in setting coding standards, conducting code reviews, and helping to plan sprints or project roadmaps.

What are Senior Software Developers?

Senior Software Developers are experienced professionals who design, develop, and maintain complex software applications. They often lead development teams, mentor junior developers, and make critical architectural decisions. Their responsibilities include writing high-quality code, troubleshooting technical issues, and ensuring that software projects meet performance and security standards. With deep expertise in programming languages and software engineering principles, they play a key role in delivering successful technology solutions for organizations.

What is the difference between Senior Software Developer vs Software Engineer?

AspectSenior Software DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; experience often 5+ yearsBachelor's or higher in CS or related field; similar experience levels
Work EnvironmentCollaborates on complex projects, mentors juniors, leads technical effortsDesigns, develops, tests software; may work on specific modules or systems
Industry UsageCommonly used in tech companies, startups, and enterprise firmsWidely used across industries, often interchangeable with developer roles

The main difference is that Senior Software Developers typically have more experience, leadership responsibilities, and focus on complex project oversight, while Software Engineers may focus more on designing and implementing software solutions. Both roles require similar credentials and are integral in software development teams, but Senior Software Developers often take on mentorship and strategic tasks.

More about Senior Software Developer jobs
What are the most commonly searched types of Software Developer jobs in Maine? The most popular types of Software Developer jobs in Maine are:
What are popular job titles related to Senior Software Developer jobs in Maine? For Senior Software Developer jobs in Maine, the most frequently searched job titles are:
What job categories do people searching Senior Software Developer jobs in Maine look for? The top searched job categories for Senior Software Developer jobs in Maine are:
What cities in Maine are hiring for Senior Software Developer jobs? Cities in Maine with the most Senior Software Developer job openings:
What are popular job titles related to Senior Software Developer jobs in ME? For Senior Software Developer jobs in ME, the most frequently searched job titles are:
Senior Software Developer jobs near you
Infographic showing various Senior Software Developer job openings in Maine as of July 2026, with employment types broken down into 79% Full Time, 8% Part Time, 1% Temporary, and 12% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $124,317 per year, or $59.8 per hour.
Senior Software Developer

Senior Software Developer

IDEXX Laboratories, Inc.

Westbrook, ME • On-site, Remote

$120K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 3 days ago

IDEXX Laboratories rating

7.4

Company rating: 7.4 out of 10

Based on 54 frontline employees who took The Breakroom Quiz

68th of 120 rated laboratories

Job description

Do you want to play a key role in designing and developing Software solutions that enables Medical Insights using the latest technologies and contributing to improvements in Pet Health? Do you want to be part of a high-functioning Scrum team with a strong business partnership and a drive to do great work?
Our team would like to meet you!
IDEXX is seeking a Senior Software Developer to design, build and manage applications and integrations for digital medical imaging conforming to DICOM standards. You will join a team of talented software and QA engineers, collaborating with product owners, and driving innovation in veterinary care. If you enjoy complex software and challenges, consider this role!
The ideal candidate will have the ability to work in a hybrid capacity onsite 2x per week or 8x per month.
In this Role:
  • You will be a senior member of a highly effective Agile team delivering industry leading capabilities, participating in business planning and technical strategy
  • Innovate in technology, team process and development practices.
  • You will practice Scrum development, and interacts with other Agile development frameworks, so experience and desire to work in Agile teams is a must!
  • You will work with a close-knit team of Developers, QA Engineers, DevOPS, Product Owners and SRE's- excellent communication, collaboration and interpersonal skills are important for team success.
  • You will have the support to learn new skills; access to a network of professionals; and exchange knowledge with peers through mentorship and coaching opportunities.
  • You will explore opportunities to apply AI and machine learning- including computer vision, GenAI, and LLM-based tools- to imaging diagnostics, workflow automation, and developer productivity.

What you need to succeed:
  • Proficiency designing, building and deploying web applications, APIs, Micro Services
  • Proficiency with Git
  • Proficiency with Java, Spring boot, .NET, C#
  • Proficiency with front end technologies Angular, AngularJS, HTML, CSS, React
  • Proficiency with SQL and NoSQL databases
  • Proficiency with one or more major cloud providers (e.g., AWS)
  • Proficiency with IOT services
  • Experience with AWS Lambdas, Batch jobs
  • Experience with building continuous integration and deployment (CI/CD) systems (e.g., Jenkins)
  • Experience with SSO (e.g., OAuth)
  • Experience with cloud object storage (e.g., S3)
  • Familiarity with Java Swing
  • Familiarity with Java profiler tools (e.g., YourKit)
  • Familiarity with Python
  • Experience or strong interest in applying AI/ML (e.g., computer vision, deep learning) to medical imaging or diagnostic data
  • Familiarity with integrating AI and Generative AI capabilities (e.g., LLMs, RAG, ML APIs) into software products and services
  • Experience using AI-assisted development tools (e.g., GitHub Copilot, Claude Code) to accelerate delivery and improve code quality
  • Familiarity with ML frameworks such as PyTorch, TensorFlow, or scikit-learn

What you can expect from us:
  • Salary: $120000 / year
  • Opportunity for annual cash bonus and merit increase
  • Health / Dental / Vision benefits starting Day-One
  • 5% matching 401k
  • Additional benefits including financial support, pet insurance, mental health resources, volunteer paid days off, employee stock program, foundation donation matching, and more

Why IDEXX:
We're proud of the work we do, because our work matters. An innovation leader in every industry we serve since 1983, our team members help pet owners worldwide keep their companion animals healthy and happy, ensure safe drinking water for billions, and help farmers protect livestock and poultry from disease.
We have customers in over 175 countries and a collaborative global workforce. Our culture is one that embraces challenges and encourages learning and discovery. At IDEXX, you'll be supported by competitive compensation, incentives, and benefits while enjoying purposeful work that drives improvement.
Knowing our work makes a meaningful impact on the health and well-being of pets and people is what motivates us every day. If meaningful work and a sense of purpose are at the top of your list, you'll find it here.
IDEXX values a diverse workforce and workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.
IDEXX is an equal opportunity employer. Applicants will not be discriminated against because of race, color, creed, sex, sexual orientation, gender identity or expression, age, religion, national origin, citizenship status, disability, ancestry, marital status, veteran status, medical condition, or any protected category prohibited by local, state, or federal laws.
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