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Senior Software Engineer Jobs in Old Saybrook, CT

Hyperfine

Senior Software Engineer, Cloud

Guilford, CT · On-site +1

$143K - $165K/yr

Senior Software Engineer, Cloud Location: Guilford, Connecticut This role is for talented Software Engineers with applied experience in building modern cloud services and web applications. The goal ...

Hyperfine

Senior Software Engineer, Cloud

Guilford, CT · On-site +1

$143K - $165K/yr

Senior Software Engineer, Cloud Location: Guilford, Connecticut This role is for talented Software Engineers with applied experience in building modern cloud services and web applications. The goal ...

Hyperfine

Senior Software Engineer, Cloud

Guilford, CT · On-site

$143K - $165K/yr

Senior Software Engineer, Cloud Location:Guilford, Connecticut This role is for talented Software Engineers with applied experience in building modern cloud services and web applications. The goal of ...

Collabera

Sr. Embedded Software Engineer

North Haven, CT · On-site

$123K - $161K/yr

This Senior Software Consultant will work within the R&D engineering team to develop and support the next-generation minimally invasive platform. This Senior Software Consultant will develop embedded ...

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All JobsSoftware Engineer JobsSenior Software Engineer JobsSenior Software Engineer Jobs in Old Saybrook, CT

Senior Software Engineer information

See Old Saybrook, CT salary details

$76.6K

$145.3K

$194.7K

How much do senior software engineer jobs pay per year?

As of Sep 1, 2026, the average yearly pay for senior software engineer in Old Saybrook, CT is $145,300.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,200.00 and $163,800.00 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 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 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 does a senior software engineer do?

A senior software engineer designs, develops, and maintains software applications, often leading projects and mentoring junior team members. They analyze requirements, write code, perform testing, and collaborate with cross-functional teams to ensure quality and efficiency. Proficiency in programming languages, problem-solving skills, and experience with development tools are essential for this role.
More about Senior Software Engineer jobs

What are the most commonly searched types of Software Engineer jobs in Old Saybrook, CT?

The most popular types of Software Engineer jobs in Old Saybrook, CT are:

What cities near Old Saybrook, CT are hiring for Senior Software Engineer jobs?

Cities near Old Saybrook, CT with the most Senior Software Engineer job openings:

Senior Software Engineer jobs near you
Infographic showing various Senior Software Engineer job openings in Old Saybrook, CT as of August 2026, with employment types broken down into 83% Full Time, 14% Part Time, and 3% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $145,300 per year, or $69.9 per hour.

Senior Software Engineer, Cloud Systems

ThayerMahan

Groton, CT • On-site

Other

Posted 17 days ago

Job description

Job Title: Senior Software Engineer

Job Category/Department: Engineering

Reporting to: Director of Software Engineering, Cloud Systems

Location (In person/Hybrid/Remote): Hybrid

Position Type:  Full time.


Position Summary: ThayerMahan is seeking a senior software engineer to join our team. In this role, you will primarily focus on full stack web application development.


Role and Responsibilities: Create and maintain software solutions by writing and reviewing code, creating and maintaining documentation, and developing and reviewing design proposals. A senior software engineer can:

  • Work on incompletely specified tasks, fluidly communicating what the specifications should be, or what the solution space (range of options) is.
  • “Jump in the deep end” and figure things out, with little or no up-front explanations.
  • Fluidly consider short- and long-term plans, selecting “minimum viable” short term options that elegantly build toward long-term goals.

Senior software engineers must have strong communication skills, for socializing plans and potential options and working toward well-specified product behaviors.


Qualifications and Educational Requirements:

  • Required qualifications:
    • U.S. Citizenship (position entails access to Controlled Unclassed Information).
  • Typical qualifications:
    • Bachelor’s or master’s degree.
    • 8+ years relevant industry experience
    • Able to obtain DoD security clearance.


Required Skills:

  • Exploring code repositories to understand how existing features have been implemented.
  • Updating code to address defects, or to create new capabilities.
  • Designing and implementing new features.
  • Writing documentation for users or maintainers.
  • Writing automated tests.
  • Learning new technologies.
  • Researching technologies for potential adoption.
  • Communicating clearly and efficiently around all of the above.
  • Collaborating productively with stakeholders and other engineers.


Preferred Skills:

  • Git
  • Python
  • Bash
  • Linux
  • Data visualization (e.g. matplotlib, plotly)
  • Docker
  • AWS 
  • Javascript/Typescript/Angular 


Physical Requirements/Working Conditions:

  • (Strongly preferred) Ability to travel to Groton HQ on short notice.


Travel Requirements (If Applicable):

  • Occasional travel for at-sea support or major client milestones.