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Computer Software Engineer Jobs in New Hampshire

D. in Computer Science/Electrical Engineering/Computer Engineering + 3 years experience, or equivalent work experience * Expert knowledge of and extensive experience programming in C required.

Senior Software Engineer

Nashua, NH · On-site

$123K - $163K/yr

We are looking to hire a Senior Software Engineer who wants to get involved with a small, fast ... Experience applying Computer Science fundamentals such as data structures, algorithm design ...

Senior Software Engineer

Nashua, NH · On-site

$123K - $163K/yr

We are looking to hire a Senior Software Engineer who wants to get involved with a small, fast ... Experience applying Computer Science fundamentals such as data structures, algorithm design ...

Senior Software Engineer

Nashua, NH · On-site

$123K - $162K/yr

We are looking to hire a Senior Software Engineer who wants to get involved with a small, fast ... Experience applying Computer Science fundamentals such as data structures, algorithm design ...

Senior Software Engineer

Nashua, NH · On-site

$123K - $163K/yr

We are looking to hire a Senior Software Engineer who wants to get involved with a small, fast ... Experience applying Computer Science fundamentals such as data structures, algorithm design ...

Strong engineering and Computer Science fundamentals. * 3+ years fluency in C or C++. Python experience an added bonus. * Solid understanding of PCIe hardware and software drivers * PCIe state ...

Strong engineering and Computer Science fundamentals. * 3+ years fluency in C or C++. Python experience an added bonus. * Solid understanding of PCIe hardware and software drivers * PCIe state ...

New

Strong engineering and Computer Science fundamentals. * 3+ years fluency in C or C++. Python experience an added bonus. * Solid understanding of PCIe hardware and software drivers * PCIe state ...

Software Engineer III

Nashua, NH · Hybrid

$125K - $145K/yr

Establishing best practices for AI-assisted software development across the engineering team ... Bachelor's degree in Computer Science or an equivalent combination of education, certifications ...

Showing results 41-60

Computer Software Engineer information

See New Hampshire salary details

$61.8K

$143.5K

$199.9K

How much do computer software engineer jobs pay per year?

As of Aug 17, 2026, the average yearly pay for computer software engineer in New Hampshire is $143,468.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,700.00 and $168,200.00 per year, depending on experience, location, and employer.

What is a computer software engineer?

Computer software engineers, also known as software developers, design, develop, test, and maintain software applications or systems that enable computers and devices to perform specific tasks. They use programming languages and engineering principles to create software solutions for a variety of industries, including technology, healthcare, finance, and more. Their work involves analyzing user needs, writing code, debugging, and collaborating with other professionals to deliver functional and reliable software products.

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

To thrive as a Computer Software Engineer, you need strong programming skills, a solid understanding of algorithms and data structures, and typically a degree in computer science or a related field. Familiarity with development tools such as Git, integrated development environments (IDEs), and knowledge of frameworks or languages like Java, Python, or C++ are often required, along with certifications like AWS Certified Developer or Microsoft Certified: Azure Developer Associate. Excellent problem-solving abilities, teamwork, and effective communication distinguish top performers in this field. These skills are crucial for building reliable, scalable software solutions and collaborating efficiently within development teams.

What are some common challenges computer software engineers face when working on large-scale projects?

Computer software engineers working on large-scale projects often encounter challenges such as coordinating with cross-functional teams, managing complex codebases, and ensuring consistent communication throughout the development cycle. Keeping documentation up to date and maintaining legacy systems while integrating new features can also be demanding. Effective use of version control systems and agile methodologies helps engineers address these challenges and contribute to successful project delivery.

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

AspectComputer Software EngineerSoftware Developer
CredentialsBachelor's degree in Computer Science or related field; certifications like Microsoft Certified, AWS CertifiedBachelor's degree in Computer Science or related field; certifications optional
Work EnvironmentDesigning, developing, testing, and maintaining software systems; often involved in system architectureWriting, debugging, and implementing code; focused on application development
Industry UsageUsed across tech, finance, healthcare, and more for complex system developmentCommonly used in app and web development across various industries

Computer Software Engineers typically focus on designing and building complex software systems, often working on system architecture, while Software Developers mainly write and implement code for applications. Both roles require similar educational backgrounds and certifications, but their focus areas and responsibilities differ, with engineers handling broader system design and developers concentrating on coding tasks.

How much do computer software engineers get paid?

Computer software engineers typically earn a median annual salary ranging from $80,000 to $120,000, depending on experience, location, and specialization. Entry-level positions may start lower, while experienced engineers with skills in programming languages and development tools can earn higher salaries, especially in high-demand areas.
More about Computer Software Engineer jobs

What are popular job titles related to Computer Software Engineer jobs in New Hampshire?

For Computer Software Engineer jobs in New Hampshire, the most frequently searched job titles are:

What are popular job titles related to Computer Software Engineer jobs in NH?

For Computer Software Engineer jobs in NH, the most frequently searched job titles are:

Infographic showing various Computer Software Engineer job openings in New Hampshire as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 13% Part Time, 4% Contract, and 1% Nights. Highlights an 79% Physical, 2% Hybrid, and 19% Remote job distribution, with an average salary of $143,468 per year, or $69 per hour.

Software Engineer, Network Systems

Arista Networks

Nashua, NH

Full-time

Re-posted 11 days ago


Job description

Company Description

Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. We leverage the latest advancements in cloud computing, artificial intelligence, and software-defined networking to provide our clients with a competitive edge in an increasingly interconnected world. Our solutions are designed to not only meet the current demands of the digital landscape but to also anticipate and adapt to future challenges.

At Arista we value the diversity of thought and perspectives that each employee brings to the table. We  believe that fostering an inclusive environment, where individuals from various backgrounds and experiences feel welcome, is essential for driving creativity and innovation.

Our commitment to excellence has earned us several prestigious awards, such as Best Engineering Team, Best Company for Diversity, Compensation, and Work-Life Balance. At Arista, we take pride in our track record of success and strive to maintain the highest standards of quality and performance in everything we do.

Job Description

Who You’ll Work With

Arista Networks is looking for world-class Network Systems software engineers.

Network systems software is all about managing hardware components on switches and routers. As a software engineer in the Network Systems group, you will collaborate with hardware engineers to design and build novel features that help Arista hardware run effectively and efficiently. You will write software that controls  everything from temperature sensors, fan controllers, power controllers, storage devices to FPGAs, NICs and PCIE switches. You will design abstractions that allow this software to be easily packaged and integrated into hardware drivers that manage all our hardware. You will also get to work closely with our hardware engineers throughout the lifecycle of our products - ranging from influencing hardware designs for ease of software control, to bringing up brand new hardware and taking it through the development cycle to market.

Arista Software Engineering roles demand a strong and broad software engineering background. While the primary focus area for this role is Network Systems software, the role will cover all aspects of software development spanning the addition of new features, debugging problems and fine tuning code for scalability and performance. You will own your projects from definition to deployment and customer interactions, and you will be responsible for the quality of everything you deliver. 

Arista Software Engineering prides itself on a supportive and growth oriented culture. Over time, as your interests change, coupled with evolving business needs you will have the opportunity to switch from packet forwarding to other areas, if you like. 
 

What You’ll Do

  • Develop and maintain features using C, C++ and Python, review and contribute to functional and design specifications. Build automated tests and test infrastructure to test the features.
  • Work with hardware and manufacturing teams to bring new hardware to market.
  • Collaborate with hardware engineers to design optimal software control interfaces for managing hardware components.
  • Work with Customer Support Engineers and customers to analyze, mitigate and fix problems in customer networks.
  • Work with the System Test Engineers to analyze problems found in their tests and provide fixes for those problems.
  • Mentor new and junior engineers to bring them up to speed in Arista's software development environment.
Qualifications
  • BS Computer Science/Electrical Engineering/Computer Engineering + 3 years experience, or MS Computer Science/Electrical Engineering/Computer Engineering + 2 year experience, or Ph.D. in Computer Science/Electrical Engineering/Computer Engineering +1 year experience, or equivalent work experience
  • Knowledge of C or C++ and Python.
  • Knowledge of UNIX or Linux
  • Experience working with low level hardware components
  • Understanding of IP networking and/or distributed systems is a plus
  • Applied understanding of software engineering principles
  • Strong problem solving and software troubleshooting skills
  • Ability to design a solution and implement features independently. 
  • Ability to work in small teams.

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Additional Information

Arista Networks is an equal opportunity employer.  Arista makes all hiring and employment-related decisions in a non-discriminatory manner without regard to race, color, religion, sex, sexual orientation, gender identity, national origin or any other factor determined to be unlawful under applicable federal, state, or law law.  All your information will be kept confidential according to EEO guidelines.