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Software Developer 3 Jobs in Manchester, NH (NOW HIRING)

Arista Networks

PCIe Software Engineer

Nashua, NH · On-site

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 ...

Arista Networks

PCIe Software Engineer

Nashua, NH · On-site

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 ...

Brooks

Senior Software Engineer

Chelmsford, MA · On-site

$118 - $160/hr

Senior Software Engineer Required QualificationsEmbedded Systems Architecture * Extensive ... Industrial data analytics / AI 3. Technical Specialization DetailsBSP / QNX / FPGA Specialist * BSP ...

New

Brooks Automation

Senior Software Engineer

Chelmsford, MA · On-site

$127K - $167K/yr

Senior Software Engineer Required Qualifications The following qualifications apply to all ... Candidates are not expected to be specialists in every area. 3. Technical Specialization Details ...

Peraton

Software Engineer

Bedford, NH

$112K - $179K/yr

... BA; 3 years with MS/MA; 0 years with PhD * Bachelor's Degree in Computer Science, Computer ... Experience with DevOps and Agile development methodologies * Experience in the U.S. DoD/IC research ...

Peraton

Software Engineer

Bedford, NH · On-site

$112K - $179K/yr

... BA; 3 years with MS/MA; 0 years with PhD * Bachelor's Degree in Computer Science, Computer ... Experience with DevOps and Agile development methodologies * Experience in the U.S. DoD/IC research ...

Peraton

Software Engineer

Bedford, NH

$112K - $179K/yr

... BA; 3 years with MS/MA; 0 years with PhD * Bachelor's Degree in Computer Science, Computer ... Experience with DevOps and Agile development methodologies * Experience in the U.S. DoD/IC research ...

CGI Inc.

Data/Cloud Software Engineer

Merrimack, NH · On-site

$117K - $140K/yr

Data/Cloud Software Engineer Category: Software Development/ Engineering Main location: United ... Required qualifications to be successful in this role: . 3+ years of software development ...

Francisco Partners

Software Engineer

Andover, MA · On-site

$105 - $135/hr

This is a hybrid role (3 days per week in office). Engineers on this team participate in a 24x7 ... software development experience, with meaningful contributions to full stack applications

hOS

Frontend Developer

Manchester, NH · On-site

$103K - $120K/yr

... delivering software that does the job first and then improve it step by step. You will work ... Conduct thoughtful code reviews for your team members Basic qualifications * 3+ years of experience ...

The Weather Company

Software Engineer

Andover, MA · Hybrid

This is a hybrid role (3 days per week in office). Engineers on this team participate in a 24x7 ... software development experience, with meaningful contributions to full stack applications

The Weather Company

Software Engineer

Andover, MA · On-site

This is a hybrid role (3 days per week in office). Engineers on this team participate in a 24x7 ... software development experience, with meaningful contributions to full stack applications

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Showing results 41-60

All JobsSoftware Developer 3 JobsSoftware Developer 3 Jobs in Manchester, NH

Software Developer 3 information

See Manchester, NH salary details

$47.8K

$111.4K

$165.3K

How much do software developer 3 jobs pay per year?

As of Aug 22, 2026, the average yearly pay for software developer 3 in Manchester, NH is $111,368.00, according to ZipRecruiter salary data. Most workers in this role earn between $89,600.00 and $129,400.00 per year, depending on experience, location, and employer.

What is the difference between Software Developer 3 vs Software Developer 2?

CriteriaSoftware Developer 3Software Developer 2
ExperienceTypically 5+ yearsTypically 3-5 years
ResponsibilitiesLead complex projects, mentor juniorsContribute to projects, assist team members
SkillsAdvanced coding, system design, problem-solvingProficient coding, basic system understanding
CertificationsOften required or preferredOften required or preferred

Software Developer 3 roles generally require more experience, advanced skills, and leadership responsibilities compared to Software Developer 2. They often lead projects and mentor junior staff, reflecting a higher level of expertise within the same industry and work environment.

What is a software developer 3?

A Software Developer 3 is a senior-level software engineer responsible for designing, developing, and maintaining complex software applications. They typically have several years of experience, advanced coding skills, and may lead projects or mentor junior developers. Proficiency in programming languages, software development tools, and understanding of system architecture are essential for this role.

What other jobs can a software developer do?

A software developer can transition into roles such as software engineer, systems analyst, technical lead, or product manager, often leveraging their programming, problem-solving, and project management skills. They may also move into specialized areas like cybersecurity, data analysis, or DevOps, which require additional certifications or training. These roles typically involve similar technical environments and tools, with some requiring leadership or domain-specific knowledge.
Software Developer 3 jobs near you
Infographic showing various Software Developer 3 job openings in Manchester, NH as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 10% Part Time, and 5% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $111,368 per year, or $53.5 per hour.

PCIe Software Engineer

Arista Networks

Nashua, NH • On-site

Full-time

Re-posted 16 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

Operating right where hardware meets software, the Platform team builds the foundation for our networking ASICs and supporting infrastructure. PCIe software engineers write the code that manages high speed communication between hardware components in our switches. We work with hardware, diagnostics, and software engineers to maximize bandwidth and improve reliability on the PCIe links.
 

What You'll Do

As part of this team, you'll work on projects like:

  • Bringing up pcie links on new hardware designs
  • Tuning pcie parameters on root ports, bridges, and end points
  • Modifying the linux pci drivers and virtual memory allocation
  • Using AER and DPC to improve error visibility and resiliency
  • Developing userspace software that mediate between networking ASICs, FPGAs, and PCIe bridges.
  • Measuring hardware read and write performance
  • Develop automated tests using C, C++ and Python to validate your features.
Qualifications
  • 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 machine, ltssm, tlp, credit flow control knowledge a plus
  • Experience with PCIe switches
  • Significant hands-on experience diagnosing problems, troubleshooting issues, and fixing bugs in low-level firmware

If you're passionate about performance optimizations and enjoy working at the hardware/software boundary, the Platform team is a perfect choice!

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.

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