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Software Engineer Co Op Jobs in Connecticut (NOW HIRING)

Mpr Associates, Inc.

Summer/Co-op Engineer

East Lyme, CT · On-site

$1.0K - $1.4K/wk

... co-op engineering opportunities. If you have an excellent academic background, desire to grow ... Software Engineering Duties/Responsibilities We offer the opportunity for students to work and ...

Arcadis

Water Engineer Intern

Middletown, CT · On-site

$23.75 - $35.62/hr

We are currently seeking a Water Engineer Co-Op or Intern to join our Water Business Line in our Middletown, CT office in Fall 2026. We work to protect our natural environment and water resources ...

Arcadis

Water Engineer Intern

Middletown, CT · On-site

$23.75 - $35.62/hr

We are currently seeking a Water Engineer Co-Op or Intern to join our Water Business Line in our Middletown, CT office in Fall 2026. We work to protect our natural environment and water resources ...

Arcadis

Water Engineer Intern

Middletown, CT · On-site

$23.75 - $35.62/hr

We are currently seeking a Water Engineer Co-Op or Intern to join our Water Business Line in our Middletown, CT office in Fall 2026. We work to protect our natural environment and water resources ...

Cummins Inc.

$15 - $20/hr

This requisition is for 2025 Summer Intern/Co-op Conversion candidates with assignment end dates ... Functional Talent Scouts (function or engineering subfunction), who are CC03 or higher employees ...

New

Cummins Inc.

$15.25 - $20.25/hr

This requisition is for 2025 Summer Intern/Co-op Conversion candidates with assignment end dates ... Functional Talent Scouts (function or engineering subfunction), who are CC03 or higher employees ...

New

Cummins Inc.

2025 - Summer Intern Co-op Conversion

Danbury, CT · On-site

$15.25 - $20.50/hr

This requisition is for 2025 Summer Intern/Co-op Conversion candidates with assignment end dates ... Functional Talent Scouts (function or engineering subfunction), who are CC03 or higher employees ...

Cummins Inc.

2025 - Summer Intern Co-op Conversion

Hamden, CT · On-site

$15 - $20/hr

This requisition is for 2025 Summer Intern/Co-op Conversion candidates with assignment end dates ... Functional Talent Scouts (function or engineering subfunction), who are CC03 or higher employees ...

Cummins Inc.

$15.25 - $20.50/hr

This requisition is for 2025 Summer Intern/Co-op Conversion candidates with assignment end dates ... Functional Talent Scouts (function or engineering subfunction), who are CC03 or higher employees ...

New

Cummins Inc.

$15 - $20/hr

This requisition is for 2025 Summer Intern/Co-op Conversion candidates with assignment end dates ... Functional Talent Scouts (function or engineering subfunction), who are CC03 or higher employees ...

New

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All JobsSoftware Engineer Co Op JobsSoftware Engineer Co Op Jobs in Connecticut

Software Engineer Co Op information

See Connecticut salary details

$60.4K

$140.3K

$195.5K

How much do software engineer co op jobs pay per year?

As of Sep 5, 2026, the average yearly pay for software engineer co op in Connecticut is $140,337.00, according to ZipRecruiter salary data. Most workers in this role earn between $114,200.00 and $164,600.00 per year, depending on experience, location, and employer.

What is a software engineer co op?

A Software Engineer Co-Op is a student or recent graduate who participates in a cooperative education program, gaining hands-on work experience at a company while still in school. These positions typically last several months and allow students to apply their classroom knowledge to real-world software development projects. Co-Ops work alongside experienced engineers, contributing to coding, debugging, and project development, and often rotate between academic terms and work terms. This experience helps students build their skills, expand their professional network, and often leads to future job opportunities.

What are software engineer co op positions?

Students studying to be software engineers often look for internship and training opportunities. As a software engineer co-op, you work with today’s latest and greatest technologies, researching Database Theory, JavaScript, CSS3, HTML5, and more. Your responsibilities are those of a student and intern, and you research and develop software. Your duties may include completing a project, assisting engineers, or shadowing them to develop the skills necessary for entering the workforce. Co-op positions often last for a term of one year. Students almost always receive pay for these positions that either provide credit or a pass/fail grade.

What types of projects and responsibilities can a software engineer co op expect during their placement?

As a Software Engineer Co Op, you can typically expect to work on real-world projects alongside full-time engineers, often contributing to codebases, debugging, and writing tests. Your responsibilities may also include participating in agile team meetings, collaborating with cross-functional teams such as QA and product management, and learning industry-standard tools and workflows. While the scope of your work may start with smaller tasks, strong performance can lead to more complex assignments and greater autonomy as your term progresses.

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

To thrive as a Software Engineer Co Op, you need a solid understanding of programming fundamentals, algorithms, and data structures, usually supported by coursework in computer science or a related field. Familiarity with common programming languages (such as Python, Java, or C++), version control systems like Git, and basic exposure to development environments is important. Strong problem-solving abilities, willingness to learn, and effective communication set standout candidates apart. These skills ensure you can contribute to real-world projects, adapt to new technologies, and collaborate effectively within engineering teams.

What is the difference between Software Engineer Co Op vs Software Developer Intern?

AspectSoftware Engineer Co OpSoftware Developer Intern
CredentialsTypically pursuing or holding a bachelor's degree in Computer Science or related fieldUsually students in similar fields, often at an earlier stage of their education
Work EnvironmentFull-time or part-time cooperative work, often integrated with academic scheduleInternship, often part-time or summer-only
Employer & Industry UsageUsed by tech companies for ongoing cooperative programs, often in software development teamsCommonly used by companies for short-term internship roles in software development

The main difference is that a Software Engineer Co Op is a longer-term, often semester-based cooperative position that integrates with academic programs, while a Software Developer Intern is typically a shorter-term internship, often during summer, focused on gaining initial industry experience.

More about Software Engineer Co Op jobs

What are the most commonly searched types of Software Engineer jobs in Connecticut?

The most popular types of Software Engineer jobs in Connecticut are:

What are popular job titles related to Software Engineer Co Op jobs in Connecticut?

For Software Engineer Co Op jobs in Connecticut, the most frequently searched job titles are:

What job categories do people searching Software Engineer Co Op jobs in Connecticut look for?

The top searched job categories for Software Engineer Co Op jobs in Connecticut are:

What cities in Connecticut are hiring for Software Engineer Co Op jobs?

Cities in Connecticut with the most Software Engineer Co Op job openings:

Software Engineer Co Op jobs near you
Infographic showing various Software Engineer Co Op job openings in Connecticut as of August 2026, with employment types broken down into 86% Full Time, 11% Part Time, and 3% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $140,337 per year, or $67.5 per hour.

Software Engineering Co-op - Spring & Summer 2027

CACI

Danbury, CT

$45K - $91K/yr

Full-time, Part-time, Temporary

Medical, Retirement, PTO

Posted 4 days ago

Key responsibilities

  • Perform prototyping, coding, testing, scripting, and document generation in support of software development activities.

  • Develop automation software for program-specific data flows and create breadboard implementations of algorithms in MatLab or Mathematica environments.

  • Create requirements, test plans, and release documentation for software updates.

Job description

Job Title: Software Engineering Co-op - Spring & Summer 2027 Job Category: Intern/Co-op Time Type: Part time Minimum Clearance Required to Start: None Employee Type: Part-Time On-Call Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: As a Software Engineering Co-op, you will provide prototyping, coding, testing, scripting, and document generation in support of software development activities. You will perform data analysis using proprietary software systems in support of on-going contracts, and develop automation software for program-specific data flows on those contracts. You will also develop breadboard implementations of algorithms in MatLab or Mathematica environments based upon mathematical descriptions of algorithm approaches in order to come up with creative solutions to problems.

You will benefit from working side by side with a talented and experienced group of professionals eager to mentor. Ideally, we'd like the candidate to join the team in January 2027 and continue through Summer 2027. Responsibilities: Algorithm prototyping Code development in C# and Python Software test development Requirements, test plan, and release documentation on generation and updates Data processing Qualifications: Required: Completion of at least one year towards a Bachelor's degree in Computer Science, Computer Engineering, Mathematics, Physics or a related field Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future Ability to successfully complete a pre-employment drug screening Development of moderate-sized desktop applications in a Windows environment using a C-based language (C++, C#, Java) Strong mathematics background including completion of calculus and linear algebra courses Desired: Minimum GPA of 3.0 or higher is preferred, but not required Previous internship/co-op or other work experience - What You Can Expect: A culture of integrity

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation. An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.

We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

The proposed salary range for this position is: $45,900 - $91,900 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

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