1

Senior Python Software Engineer Jobs in Portsmouth, NH

Software Engineer

Merrimac, MA · On-site

$69K - $125K/yr

Develop and maintain software for a robust C-sUAS software suite Design software to support system ... Experience Working with multiple programming languages such as (C#, C++, Python, Java) * Excellent ...

Software Engineer

Salem, NH · On-site

$69K - $125K/yr

Develop and maintain software for a robust C-sUAS software suite Design software to support system ... Experience Working with multiple programming languages such as (C#, C++, Python, Java) * Excellent ...

Software Engineer

Merrimac, MA · On-site

$87K - $157K/yr

Develop and maintain software for a robust C-sUAS software suite Design software to support system ... Experience Working with multiple programming languages such as (C#, C++, Python, Java) * Excellent ...

Software Engineer

Atkinson, NH · On-site

$87K - $157K/yr

Develop and maintain software for a robust C-sUAS software suite Design software to support system ... Experience Working with multiple programming languages such as (C#, C++, Python, Java) * Excellent ...

Software Engineer

Haverhill, MA · On-site

$87K - $157K/yr

Develop and maintain software for a robust C-sUAS software suite Design software to support system ... Experience Working with multiple programming languages such as (C#, C++, Python, Java) * Excellent ...

Software Engineer

Atkinson, NH · On-site

$69K - $125K/yr

Develop and maintain software for a robust C-sUAS software suite Design software to support system ... Experience Working with multiple programming languages such as (C#, C++, Python, Java) * Excellent ...

Software Engineer

Haverhill, MA · On-site

$69K - $125K/yr

Develop and maintain software for a robust C-sUAS software suite Design software to support system ... Experience Working with multiple programming languages such as (C#, C++, Python, Java) * Excellent ...

Software Engineer

Plaistow, NH · On-site

$69K - $125K/yr

Develop and maintain software for a robust C-sUAS software suite Design software to support system ... Experience Working with multiple programming languages such as (C#, C++, Python, Java) * Excellent ...

Software Engineer

Haverhill, MA · On-site

$69K - $125K/yr

Develop and maintain software for a robust C-sUAS software suite Design software to support system ... Experience Working with multiple programming languages such as (C#, C++, Python, Java) * Excellent ...

Software Engineer

Plaistow, NH · On-site

$87K - $157K/yr

Develop and maintain software for a robust C-sUAS software suite Design software to support system ... Experience Working with multiple programming languages such as (C#, C++, Python, Java) * Excellent ...

next page

Showing results 1-20

Senior Python Software Engineer information

See Portsmouth, NH salary details

$56K

$144.7K

$198.7K

How much do senior python software engineer jobs pay per year?

As of Jul 1, 2026, the average yearly pay for senior python software engineer in Portsmouth, NH is $144,667.00, according to ZipRecruiter salary data. Most workers in this role earn between $123,800.00 and $166,600.00 per year, depending on experience, location, and employer.

What is the difference between Senior Python Software Engineer vs Python Developer?

AspectSenior Python Software EngineerPython Developer
Required CredentialsBachelor's degree in CS or related field, experience in software engineeringBachelor's degree in CS or related field, coding proficiency
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing applications, debugging
Employer & Industry UsageTech companies, startups, enterprise softwareWeb development, data analysis, automation projects
Common Search & Comparison IntentUnderstanding senior-level roles, responsibilities, and skillsEntry to mid-level coding roles, project involvement

The main difference between a Senior Python Software Engineer and a Python Developer lies in experience, responsibilities, and scope. Senior engineers typically lead projects, design system architecture, and mentor junior staff, while Python Developers focus on coding, application development, and implementation. Both roles require strong Python skills and relevant credentials, but senior roles demand more experience and leadership capabilities.

What are some common challenges faced by Senior Python Software Engineers when leading complex projects, and how can they be addressed?

Senior Python Software Engineers often face challenges such as balancing hands-on coding with mentoring junior team members, managing technical debt, and designing scalable solutions. Successfully addressing these challenges involves clear communication, proactive code reviews, and effective prioritization of tasks. Collaborating closely with cross-functional teams and fostering a culture of knowledge sharing can also help ensure project success and team growth.

What are the key skills and qualifications needed to thrive as a Senior Python Software Engineer, and why are they important?

To thrive as a Senior Python Software Engineer, you need advanced proficiency in Python programming, strong problem-solving abilities, and a solid background in computer science or a related field. Familiarity with frameworks like Django or Flask, experience with version control systems such as Git, and knowledge of cloud platforms and CI/CD tools are typically required. Leadership, effective communication, and mentorship skills help you collaborate with teams and guide junior developers. These skills ensure the delivery of robust, scalable software solutions and foster a productive, innovative development environment.

What does a Senior Python Software Engineer do?

A Senior Python Software Engineer designs, develops, tests, and maintains complex software applications using the Python programming language. They often lead or mentor junior developers, architect software solutions, and ensure best coding practices are followed. These professionals collaborate with cross-functional teams to deliver scalable and efficient systems, troubleshoot issues, and optimize application performance. Their expertise includes advanced knowledge of Python frameworks, libraries, and development tools, as well as experience with databases, APIs, and cloud services.
What are popular job titles related to Senior Python Software Engineer jobs in Portsmouth, NH? For Senior Python Software Engineer jobs in Portsmouth, NH, the most frequently searched job titles are:
Software Engineer

Software Engineer

Leidos

Merrimac, MA • On-site

$69K - $125K/yr

Full-time

Medical, Retirement, PTO

Posted 27 days ago


Leidos rating

8.4

Company rating: 8.4 out of 10

Based on 147 frontline employees who took The Breakroom Quiz

56th of 437 rated business services


Job description

Description

The Defense Sector at Leidos currently has an opening for a Software Engineer with a active Secret clearance to work remotely, but based out of our Tewksbury, MA office. This is an exciting opportunity to use your experience helping the C-sUAS Engineering and Integration mission. In this mission we integrate data from existing C-sUAS infrastructure, radars, and sensors at various locations/sites to aim at controlling the airspace from sUAS.

Primary Responsibilities.

Develop and maintain software for a robust C-sUAS software suite Design software to support system integration efforts Ensure any new code meets contractual cyber standards Collaborate with government customers to better understand program needs. Communicating issues with leadership Identify areas of improvement that can benefit the software process

Basic Qualifications.

  • Must possess and maintain active DoD Secret clearance or above to be considered for role. (US Citizenship required)
  • Experience Working with multiple programming languages such as (C#, C++, Python, Java)
  • Excellent written and verbal communication skills, a demonstrated ability to meet deadlines, and a strong problem-solving mindset
  • Familiarity with the Atlassian suite, including Jira and Confluence
  • Familiarity with Gitlab
  • Familiarity with Docker and Linux based containerization

Preferred Qualifications.

  • Previous experience working with C-sUAS sensors and effectors
  • Experience working on projects with a multitude of repositories
  • Experience implementing agile methodologies
  • Experience with cyber tools such as Fortify, Sonarqubue, Trivy, Dependency Tracker
  • Experience with Go or JavaScript
  • Experience using NATS messaging framework

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:June 4, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $69,550.00 - $125,725.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

#Remote


What Leidos employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom


Leidos logo

About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

Social media