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Senior Software Engineer Jobs in Mendon, MA (NOW HIRING)

Senior Software Engineer

Boston, MA ยท Hybrid

$133K - $175K/yr

Senior Software Engineer Join our team at Alegeus, where you'll experience unmatched opportunity and a culture that cares deeply about succeeding together. As a Senior Software Engineer, you'll drive ...

Senior Software Engineer

Boston, MA ยท Hybrid

$133K - $175K/yr

Description We are hiring a Senior Software Engineer with deep expertise in AI/ML engineering and data-intensive systems to join our Catastrophic and Risk Solutions team. You will be a key technical ...

Senior Software Engineer

Waltham, MA ยท On-site

$146K - $198K/yr

As a Senior Software Engineer focusing on Full-stack Node.js Web development, you will be building out Markforged's 3D printer/content management system and web-based slicer (Eiger). This is a true ...

Senior Software Engineer

Marlborough, MA ยท On-site

$140K - $170K/yr

THE ROLEWe are looking for a Senior Software Engineer to join our software engineering team and take a leading role in developing the software that drives our measurement systems. You will report to ...

Senior Software Engineer

Needham, MA ยท On-site

$133K - $175K/yr

They are searching for a forward-thinking Senior Software Engineer to help build the future of capital markets infrastructure by utilizing expertise in low-level programming and collaborating with ...

Senior Software Engineer

Needham, MA ยท On-site

$133K - $175K/yr

They are seeking a forward-thinking Senior Software Engineer to help build the future of capital markets infrastructure by utilizing expertise in low-level programming and advancing high performance ...

Senior Software Engineer

Needham, MA ยท On-site

$133K - $175K/yr

They are seeking a Senior Software Engineer to advance high performance computing and electronic trading technologies, guiding design, development, and debugging of applications while mentoring other ...

Senior Software Engineer

Warwick, RI ยท On-site

$104K - $157K/yr

Senior Software Engineer As the nation's original travel insurance comparison site, InsureMyTrip, a member of the Tokio Marine HCC group of companies, has over 20 years of experience connecting ...

Senior Software Engineer

Boston, MA

$133K - $175K/yr

Our Senior Software Engineer role can jump into many technical areas, design and implement clean APIs, and accurately estimate tasks, all while staying product-focused and mentoring other team ...

Senior Software Engineer

Waltham, MA ยท Hybrid

$132K - $174K/yr

Xometry is seeking a Senior Software Engineer to join our software engineering organization. In this role, you'll work as part of a skilled, collaborative team to build and maintain solutions for the ...

Senior Software Engineer

Waltham, MA ยท On-site

$146K - $198K/yr

As a Senior Software Engineer focusing on Full-stack Node.js Web development, you will be building out Markforged's 3D printer/content management system and web-based slicer (Eiger). This is a true ...

Senior Software Engineer

Johnston, RI ยท Hybrid

$123K - $162K/yr

Description Citizens Financial Group, Inc. (CFG) seeks a Senior Software Engineer for its Johnston, Rhode Island location. Responsibilities: Designs, modifies, develops, and implements technology ...

In this Senior Software Engineer role, you will be a key individual contributor, driving the development of resilient, scalable software systems focused on leveraging Large Language Models (LLMs) and ...

Senior Software Engineer

Waltham, MA ยท On-site

$132K - $174K/yr

Xometry is seeking a Senior Software Engineer to join our software engineering organization. In this role, you'll work as part of a skilled, collaborative team to build and maintain solutions for the ...

ROLE OVERVIEW We're looking for a Senior Software Engineer to help design, build, and scale high-performance software that powers mission-critical enterprise data workflows. In this role, you'll work ...

Senior Software Engineer

Johnston, RI ยท Hybrid

$123K - $162K/yr

Description Citizens Financial Group, Inc. (CFG) seeks a Senior Software Engineer for its Johnston, Rhode Island location. Responsibilities: Designs, modifies, develops, and implements technology ...

Showing results 21-40

Senior Software Engineer information

See Mendon, MA salary details

$82.8K

$157.1K

$210.6K

How much do senior software engineer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for senior software engineer in Mendon, MA is $157,136.00, according to ZipRecruiter salary data. Most workers in this role earn between $134,300.00 and $177,100.00 per year, depending on experience, location, and employer.

What is a senior software engineer?

A senior software engineer designs, codes, tests, and maintains computer software. While these are your primary responsibilities as a senior software engineer, you may also have supervisory duties. These include overseeing a team of junior software engineers or developers. The senior software engineer title is sometimes used interchangeably with senior developer, and positions for both may share similar job duties and responsibilities. In general, software engineers are distinguished from developers in that software engineers apply engineering principles to software development.

What are some common challenges senior software engineers face when mentoring junior team members?

Senior Software Engineers often mentor junior colleagues, which can be incredibly rewarding but also presents challenges. Balancing mentorship with project deadlines can be demanding, as it requires strong time management and communication skills. Additionally, adapting explanations to different learning styles and levels of experience can be tricky. However, effective mentorship helps build a stronger team and can lead to enhanced leadership opportunities for the senior engineer.

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

AspectSenior Software EngineerSoftware Developer
CredentialsBachelor's or higher in CS or related field; experience often 5+ yearsBachelor's in CS or related field; entry to mid-level experience
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing features, debugging
Industry UsageUsed across tech companies, startups, enterpriseCommon in software firms, startups, freelance work
Search & ComparisonOften compared for experience level, responsibilitiesCompared for entry-level to mid-level roles

The main difference between a Senior Software Engineer and a Software Developer lies in experience, responsibilities, and scope. Senior Software Engineers typically have more experience, lead projects, and mentor others, while Software Developers focus on coding and feature development. Both roles are essential in tech companies, but the Senior Software Engineer position involves higher-level planning and leadership.

What are the key skills and qualifications needed to thrive as a senior software engineer, and why are they important?

To thrive as a Senior Software Engineer, you need advanced programming skills, deep understanding of software architecture, and several years of experience in software development, often supported by a relevant degree. Familiarity with tools like Git, CI/CD pipelines, cloud platforms, and expertise in technologies such as Java, Python, or JavaScript are typically required. Leadership, problem-solving, and effective communication are crucial soft skills for mentoring teams and collaborating across departments. These skills ensure the delivery of robust, scalable solutions and drive successful project outcomes in complex technical environments.
What are the most commonly searched types of Software Engineer jobs in Mendon, MA? The most popular types of Software Engineer jobs in Mendon, MA are:
What cities near Mendon, MA are hiring for Senior Software Engineer jobs? Cities near Mendon, MA with the most Senior Software Engineer job openings:
Infographic showing various Senior Software Engineer job openings in Mendon, MA as of August 2026, with employment types broken down into 67% Full Time, 11% Part Time, and 22% Contract. Highlights an 89% In-person, and 11% Remote job distribution, with an average salary of $157,136 per year, or $75.5 per hour.

Senior Software Engineer

Alegeus

Boston, MA โ€ข Hybrid

$133K - $175K/yr

Full-time

Medical, PTO

Re-posted 29 days ago


Job description

Do you want to shape the future of fintech and healthtech? Energized by challenges and inspired by bold goals? Ready to elevate your career alongside driven and talented colleagues? If that sounds like you, explore a career at Alegeus today. Opportunity Happens Here.

Senior Software Engineer

Join our team at Alegeus, where you'll experience unmatched opportunity and a culture that cares deeply about succeeding together. As a Senior Software Engineer, you'll drive our technology vision forward and push the boundaries of innovation with cutting-edge solutions. This is your opportunity to work with groundbreaking technology and tackle complex challenges, shaping of future of our tech landscape. If you are passionate about innovation and eager to make a difference, we would love to have you as a part of our dynamic and forward-thinking team.

OPPORTUNITY HAPPENS HERE - REALIZE YOURS

Alongside the best and the brightest, you will regularly:

  • Build impactful, high-performance software by developing, testing, and maintaining scalable, secure applications within a collaborative Scrum team.

  • Solve complex business challenges alongside software engineers, QA, and product owners while continuously improving code quality, team productivity, and technical practices.

  • Be a key contributor from design to deployment-translate user stories into innovative solutions, write clean code, and document technical specifications.

  • Embrace continuous learning and mentorship by helping teammates grow professionally and promoting best practices in coding, security, and development processes.

  • Support critical systems through occasional off-hours on-call rotation (every 3-4 months) and release deployments to ensure platform availability and reliability.

  • Stay engaged and connected with occasional travel (up to 15%) to participate in company events, workshops, and conferences.

ESSENTIAL SKILLS FOR CREATING A LASTING IMPACT

Alegeus colleagues are known as problem-solvers, risk-takers, and innovative thinkers. As a Senior Software Engineer, these skills are essential for success:

  • Abilities: Extensive experience developing high-volume, transactional SaaS web applications with strong expertise in T-SQL, SQL Server performance tuning, and Agile methodologies; preferred background includes .NET 8.0+, ASP.NET Web API, LINQ, Dapper, Test Driven Development, real-time financial systems, automated unit testing, and business modeling using UML and use cases.

  • Experience: 3+ years of software development experience with deep expertise in web application development using C#, ASP.NET, .NET Core, RESTful services, MS SQL Server/T-SQL, Pub/Sub, and object-oriented design, along with hands-on experience in Azure cloud solutions, Kubernetes environments, and microservices architecture.

  • Education: Bachelor's degree in Computer Science, Information Systems or other related discipline isrequired. Master'sdegree preferred.

  • Location:This job is hybrid and will require you to be in the Boston office 25% of the time.

#LI-Hybrid

#LI-JK1

BECAUSE WE CARE, WE OFFER:

  • A flexible work environment

  • Competitive salaries, paid vacation, and holidays

  • Robust professional development programs

  • Comprehensive health, wellness, and financial packages

SHARED AMBITION. INSPIRED FUTURE.

At Alegeus, our success is guided by our aligned vision and values-it is how we work together and collaborate to achieve our goals.

  • People First. We pride ourselves in bringing talented people together and treating one another with care.

  • Partner Powered. We are committed to empowering our partners, knowing our success is shared and we win as one.

  • Always Advancing. We are driven by potential and relentlessly determined to achieve our goals.

"I truly believe that people who are well-skilled and talented can go wherever they want in this company. We want to create the best place anyone has ever worked." - Alegeus employee

Apply now, connect a friend to this opportunity, or sign up for job alerts!

We are committed to a policy of Equal Employment Opportunity and will not discriminate against an applicant or employee on the basis of race, color, religion, creed, national origin or ancestry, sex, age, physical or mental disability, veteran or military status, genetic information, sexual orientation, marital status, or any other legally recognized protected basis under federal, state or local laws, regulations or ordinances. The information collected by this application is solely to determine suitability for employment, verify identity and maintain employment statistics on applicants.

The posted salary range reflects the minimum and maximum target for this position's compensation grade and represents a blended range across our three hub locations: Florida, Massachusetts, and Wisconsin. Within this range, individual compensation is determined based on a variety of factors, including but not limited to job-related skills, experience, and education. This range may also be adjusted based on geographic location and market conditions. In addition to base salary, total compensation may include bonuses, incentive plans, and a comprehensive benefits package.


Position Compensation Range:

$88,000.00 - $149,900.00

Alegeus may use AI technology during candidate interviews. The uses include recording, note-taking, and summarizing candidate interviews. The information generated by the AI technology will be used by Alegeus during the hiring process. If you wish to opt out of having AI technology transcribe your interview, please notify your recruiter in advance of the interview. Otherwise, by agreeing to an interview with us, you consent to the use of AI technology during your interview.