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Senior Software Developer Jobs in Portland, ME (NOW HIRING)

Senior Principal Engineer

Portland, ME · On-site

$128K - $177K/yr

Founded in 1951 by the son of Allen Hazen (developer of the Hazen-Williams equation), we are an ... Proficient in all MS Office based computer software * Excellent communication and interpersonal ...

Sr. Data Engineer - CX Analytics

Portland, ME · Remote

$117K - $140K/yr

Software Engineering: Expertise in at least one relevant object-oriented programing language (i.e ... senior management and executive leadership, and attention to detail while effectively and ...

Senior Structural Engineer

Yarmouth, ME · On-site

$103K - $139K/yr

H&H is offering an exciting opportunity for a Senior Structural Engineer to join our Yarmouth, ME ... software (preferred) * Experience with local client base preferable (MaineDOT, NHDOT) * Must be ...

The North Atlantic Operations is a multi-disciplinary science/engineering/architecture team of 140 ... Proficient in Surfer or other contouring software * Experience with analytical models (e.g ...

Sr. Data Engineer - CX Analytics

Portland, ME · On-site

$117K - $140K/yr

Software Engineering: Expertise in at least one relevant object-oriented programing language (i.e ... senior management and executive leadership, and attention to detail while effectively and ...

Senior Structural Engineer

Yarmouth, ME · On-site

$103K - $139K/yr

H&H is offering an exciting opportunity for a Senior Structural Engineer to join our Yarmouth, ME ... software (preferred) * Experience with local client base preferable (MaineDOT, NHDOT) * Must be ...

Senior Structural Engineer

Yarmouth, ME · On-site

$103K - $139K/yr

H&H is offering an exciting opportunity for a Senior Structural Engineer to join our Yarmouth, ME ... software (preferred) * Experience with local client base preferable (MaineDOT, NHDOT) * Must be ...

We are currently seeking a Senior Civil Engineer 3 towork in a technical support role with highly ... standard software; ArcGIS is a plus. * OSHA 40-hour HAZWOPER training preferred but not required.

Showing results 41-60

Senior Software Developer information

See Portland, ME salary details

$15

$63

$89

How much do senior software developer jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for senior software developer in Portland, ME is $63.18, according to ZipRecruiter salary data. Most workers in this role earn between $53.65 and $70.87 per hour, depending on experience, location, and employer.

What skills and qualifications are needed to thrive as a senior software developer?

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 does a senior software developer do?

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 is a senior software developer?

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.

What are the most commonly searched types of Software Developer jobs in Portland, ME? The most popular types of Software Developer jobs in Portland, ME are:
What are popular job titles related to Senior Software Developer jobs in Portland, ME? For Senior Software Developer jobs in Portland, ME, the most frequently searched job titles are:
What cities near Portland, ME are hiring for Senior Software Developer jobs? Cities near Portland, ME with the most Senior Software Developer job openings:
Infographic showing various Senior Software Developer job openings in Portland, ME as of August 2026, with employment types broken down into 1% Internship, 78% Full Time, 18% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $131,407 per year, or $63.2 per hour.

Senior Plumbing / Fire Protection Engineer

Salas O'Brien, Inc.

Portland, ME

$90K - $140K/yr

Full-time

Re-posted 14 days ago


Salas O'Brien rating

8.2

Company rating: 8.2 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

155th of 446 rated engineering


Job description

RFS Engineering is now a Salas O'Brien Company

Senior Plumbing / Fire Protection Engineer

Job Summary: The Senior Plumbing & Fire Protection Engineer leads the design and coordination of plumbing and fire protection systems for complex building projects. This role provides technical leadership, ensures code-compliant and constructible designs, and collaborates closely with multidisciplinary teams, clients, and project stakeholders. The ideal candidate brings deep consulting engineering experience, strong leadership capabilities, and a commitment to quality and safety in building systems design.

Responsibilities:

  • Lead the design and delivery of plumbing and fire protection systems across all project phases
  • Provide technical leadership, mentorship, and quality oversight to plumbing and fire protection design staff
  • Design and coordinate plumbing systems, including domestic water, sanitary, storm, and specialty piping systems
  • Design and coordinate fire protection systems, including sprinkler and standpipe systems
  • Perform and review fire protection hydraulic calculations using industry-standard software
  • Develop construction documents using Autodesk Revit and ensure coordination with other building systems
  • Ensure compliance with applicable state and national building, plumbing, and fire codes
  • Collaborate with architects, owners, contractors, and authorities having jurisdiction (AHJs) to resolve technical and code-related issues
  • Participate in site visits, construction administration, and field coordination as needed
  • Support project planning, scheduling, and technical decision-making

Qualifications and Experience:

  • Bachelor of Science in Mechanical Engineering (BSME) or Mechanical Engineering Technology (BSMET) required
  • Minimum of 10 years of experience in consulting engineering with demonstrated plumbing and fire protection system design expertise
  • Proven leadership experience managing and guiding design teams
  • Proficiency in Autodesk Revit required
  • Experience with fire protection hydraulic calculation software required
  • Strong knowledge of applicable state and national plumbing and fire protection codes
  • Professional Engineer (PE) or Engineer-in-Training (EIT) preferred
  • LEED Accredited Professional (LEED AP) or ability to obtain preferred
  • Strong written and verbal communication skills, with comfort in client-facing environments

Location: Boston, MA, Laconia, NH or Portland, ME

Travel: Up to 20%

Compensation & Benefits:

The expected base salary range for this role is $90,000-$140,000 USD per year. Actual compensation will be determined based on a number of factors including skills, experience, qualifications, and location.

This role is also eligible for performance-based bonuses and a comprehensive U.S. based benefits package, including:

  • Medical, dental, and vision insurance
  • 401(k) with company match
  • Paid time off and company holidays
  • Wellness programs and employee assistance resources
  • Professional development support

For more information, visit our full benefits overview here.

About Us:

Founded in 1975, Salas O’Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow’s requirements are today’s opportunities, and we are here to design lasting solutions for pressing challenges.

We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more.

Third-Party Agency Notice

Salas O’Brien does not accept unsolicited resumes from external recruiters or agencies. We only work with approved partners engaged directly by our Talent Acquisition team for specific searches. Unsolicited submissions will not be eligible for placement fees.

Equal Opportunity Employment Statement

Salas O’Brien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, colour, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state/provincial, or local laws. Salas O’Brien will accommodate the disability-related needs of applicants as required by law.


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