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Sr Software Jobs in Connecticut (NOW HIRING)

Senior Software Engineer

Bloomfield, CT · On-site

$122K - $161K/yr

Labcorp is seeking a Senior Software Engineer to join our team at our 1302 Hall Boulevard location in Bloomfield, CT! Work Schedule: This is a full time, exempt (salaried) position assigned to a ...

Sr Software Engineer

Bristol, CT · On-site

$148K - $199K/yr

Job Posting Title: Sr Software Engineer Req ID: 10135335 Disney Entertainment and ESPN Product & Technology Technology is at the heart of Disney's past, present, and future. Disney Entertainment and ...

Sr. Software Engineer Web Ready to build whats next with one of the worlds most iconic brands? Why Join Subway? At Subway, we are not standing still. We are building. This is a business focused on ...

Sr Software Engineer

Bristol, CT · On-site

$122K - $161K/yr

Job Posting Title: Sr Software Engineer Req ID: 10135282 Disney Entertainment and ESPN Product & Technology Technology is at the heart of Disney's past, present, and future. Disney Entertainment and ...

Sr. Software Engineer (React Native Mobile) Ready to build whats next with one of the worlds most iconic brands? Why Join Subway? At Subway, we are not standing still. We are building. This is a ...

Sr Software Engineer

Bristol, CT · On-site

$122K - $161K/yr

Job Posting Title: Sr Software Engineer Req ID: 10135285 Disney Entertainment and ESPN Product & Technology Technology is at the heart of Disney's past, present, and future. Disney Entertainment and ...

Sr. Software Engineer Web

Shelton, CT · On-site

$119 - $149/hr

The Sr. Software Engineer designs, develops, and maintains software solutions that support business and product capabilities. This role contributes to the delivery of reliable, scalable, and ...

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Showing results 1-20

Sr Software information

What does a senior software engineer do?

A Sr Software Engineer is responsible for designing, developing, and maintaining complex software applications. They often lead technical projects, mentor junior team members, and collaborate closely with stakeholders to ensure software meets business objectives. Their role typically involves writing high-quality code, reviewing code from peers, and making architectural decisions. Sr Software Engineers are also expected to stay updated with industry trends and best practices to improve software performance and reliability.

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

To thrive as a Senior Software Engineer, you need strong proficiency in programming languages (such as Java, Python, or C#), software architecture, and a bachelor’s degree in computer science or a related field. Expertise with development frameworks, version control systems like Git, and cloud platforms such as AWS or Azure is commonly required, along with certifications like AWS Certified Solutions Architect. Leadership, problem-solving, and effective communication skills help you mentor junior engineers and collaborate across teams. These skills ensure the delivery of robust, scalable solutions and foster innovation within complex technical environments.

What are some common challenges faced by senior software engineers when leading project teams, and how can they effectively overcome them?

Senior Software Engineers often encounter challenges such as balancing hands-on coding with mentoring less experienced team members, managing project timelines, and ensuring code quality across the team. Effective communication and proactive planning are key to overcoming these hurdles. By fostering a collaborative environment, setting clear expectations, and leveraging agile methodologies, Senior Software Engineers can guide their teams to successful project delivery while supporting professional growth within the team.

What is the difference between Sr Software and Software Developer?

AspectSr SoftwareSoftware Developer
Required CredentialsBachelor's degree in CS or related field; 3+ years experience; sometimes certificationsBachelor's degree in CS or related field; 0-3 years experience; certifications optional
Work EnvironmentOften leads projects, mentors juniors, involved in architecture decisionsFocuses on coding, debugging, and implementing features under guidance
Employer & Industry UsageUsed across tech companies, startups, and enterprise firms for senior rolesCommon entry to mid-level role in software development teams

The main difference between a Sr Software and a Software Developer lies in experience, responsibilities, and leadership. Sr Software professionals typically have more experience, take on leadership roles, and influence project architecture, while Software Developers focus on coding and implementing features. Both roles require a strong foundation in programming, but the Sr Software position involves greater oversight and strategic input.

What cities in Connecticut are hiring for Sr Software jobs?

Cities in Connecticut with the most Sr Software job openings:

Infographic showing various Sr Software job openings in Connecticut as of August 2026, with employment types broken down into 86% Full Time, 9% Part Time, 2% Temporary, and 3% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution.

Senior Software Engineer, Cloud Systems

Groton, CT • On-site

ThayerMahan
Water Transportation • 11 - 50 employees

Other

Posted 12 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.