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

Protolabs

Senior Software Engineer

Nashua, NH · On-site

$107K - $161K/yr

NET Software Engineer to join our Global Technology Services (GTS) Software Development team. In ... You will receive at least 3 weeks of PTO + Holiday Pay + Wellness Hours + Volunteer Hours * 401k ...

Protolabs

Senior Software Engineer

Nashua, NH · On-site

$107K - $161K/yr

NET Software Engineer to join our Global Technology Services (GTS) Software Development team. In ... You will receive at least 3 weeks of PTO + Holiday Pay + Wellness Hours + Volunteer Hours * 401k ...

Protolabs

Senior Software Engineer

Nashua, NH · On-site

$107K - $161K/yr

NET Software Engineer to join our Global Technology Services (GTS) Software Development team. In ... You will receive at least 3 weeks of PTO + Holiday Pay + Wellness Hours + Volunteer Hours * 401k ...

Globusmedical

Software Engineer

Methuen, MA

Bachelor's Degree with 3-5 years of professional programming experience on Windows platforms ... Experience developing software tools, utilities, and libraries/components * Experience in UI ...

Globus Medical

Software Engineer

Methuen, MA · On-site

Bachelor's Degree with 3-5 years of professional programming experience on Windows platforms ... Experience developing software tools, utilities, and libraries/components * Experience in UI ...

Globus Medical

Software Engineer

Methuen, MA · On-site

Bachelor's Degree with 3-5 years of professional programming experience on Windows platforms ... Experience developing software tools, utilities, and libraries/components * Experience in UI ...

Globusmedical

Software Engineer

Methuen, MA

Bachelor's Degree with 3-5 years of professional programming experience on Windows platforms ... Experience developing software tools, utilities, and libraries/components * Experience in UI ...

Fresenius Kabi

Sr Engineer (Software HIT)

Andover, MA · On-site

$124K - $163K/yr

... software used in medical devices and engineering projects related to medical technology. Applies ... Onsite 3 days per week Applicants must be authorized to work for ANY employer in the United States.

Freseniusglobal

Sr Engineer (Software HIT)

North Andover, MA · Hybrid

$131K - $173K/yr

... software used in medical devices and engineering projects related to medical technology. Applies ... Onsite 3 days per week Applicants must be authorized to work for ANY employer in the United States.

Belcan

RF Engineer III

Hudson, NH · On-site

$57.51/hr

Contract Job Duration: 3 Months Schedule and Shift: 9-80 A|1st Shift|08:00 AM|N Keyword ... software engineers, and project managers, to ensure successful integration of the Antennas

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 ...

New

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 ...

New

Mercury Systems

Test Engineer III

Hudson, NH · On-site

As a Test Engineer III, you'll be at the center of this mission: validating ruggedized systems that ... Collaborate with software development teams to integrate and validate secure software solutions

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Showing results 1-20

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 Jul 14, 2026, the average yearly pay for software developer 3 in Manchester, NH is $111,361.00, 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 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 kind of jobs are there for software developers?

Software developers can work in various roles such as front-end, back-end, full-stack, mobile app, embedded systems, and DevOps engineering. These roles often require knowledge of programming languages like Java, Python, or JavaScript, and may involve working with tools like Git, IDEs, and cloud platforms. Job environments range from startups to large corporations, with opportunities for remote or on-site work.

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 engineer makes $500,000 a year?

Senior software engineers, especially those in high-cost living areas or working at major tech companies, can earn $500,000 or more annually through base salary, bonuses, and stock options. Achieving this level typically requires extensive experience, specialized skills, and often leadership roles or equity compensation.

What is L1, L2, L3, and L4 developer?

In the context of a Software Developer 3 role, L1, L2, L3, and L4 typically refer to different levels of seniority or experience within an organization, with L1 being entry-level and L4 representing senior or lead developers. These levels often indicate increasing expertise, responsibilities, and technical skills, and may correspond to specific job expectations, certifications, or project leadership roles.
Software Developer 3 jobs near you
Infographic showing various Software Developer 3 job openings in Manchester, NH as of July 2026, with employment types broken down into 1% As Needed, 70% Full Time, 25% Part Time, 1% Temporary, and 3% Contract. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution, with an average salary of $111,361 per year, or $53.5 per hour.
Lead Software Engineer, Physical Network Layer

Lead Software Engineer, Physical Network Layer

Arista Networks

Nashua, NH • On-site

$102K - $141K/yr

Full-time

Posted 7 days ago

New

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 Senior/Lead Layer1 software engineers.
As a Layer1 software engineer, you will get to work on software that manages the physical layer, where packets meet the outside world. Stable and reliable physical connectivity is critical for any network and that is your challenge. You will get to write control software that brings to life everything from the ubiquitous 1GBASE-T connectors to 1.6T long reach optics that provide fiber connectivity across continents. Your software will need to work across a wide variety of forwarding engines, connectors and interface chips called gearboxes, which allow our hardware platforms to support diverse physical connectivity options within a product family. You will build instrumentation and telemetry tools that track physical link health parameters reported by the Layer1 components and enable operators to monitor and troubleshoot their links effectively. You will also work closely with our Optics teams to define standards for new media and bring them to market.
Arista Software Engineering roles demand a strong and broad software engineering background. While the primary focus area for this role is Layer1 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, which provides opportunities for increased responsibilities, and to expand expertise into new areas.
What You'll Do
  • Interface with customers, product management and hardware engineers to come up with innovative new Layer1 features.
  • Architect, design and manage the development of these features.
  • 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 Layer1 components like Phys and Transceivers to market.
  • Collaborate with hardware engineers to design optimal software control interfaces for managing Layer1 components.
  • Provide technical leadership across features, projects and tools.
  • 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 + 6 years experience, or MS Computer Science/Electrical Engineering/Computer Engineering + 4 years experience, or Ph.D. in Computer Science/Electrical Engineering/Computer Engineering + 3 years experience, or equivalent work experience
  • Expert knowledge of C or C++ and Python.
  • Experience working with low level hardware components
  • Knowledge of digital communication technologies like modulation and signal encoding schemes
  • Knowledge of UNIX or Linux
  • Understanding and ability to apply software engineering principles
  • Strong problem solving and software troubleshooting skills
  • Demonstrated technical leadership, strong communication skills, and the ability to work in a small team environment
  • Ability to design a solution and implement features independently
  • Understanding of IP networking and/or distributed systems is a plus

#LI-SP1
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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