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Junior Python Developer Jobs in Portsmouth, NH (NOW HIRING)

Liberty Mutual

Lead Analyst, CAT Mgt

Portsmouth, NH · On-site

$125K - $163K/yr

Advanced proficiency in Python for data analysis, automation, and catastrophe modeling workflows ... Proven experience leading cross-functional projects and mentoring junior analysts * Ability to ...

Liberty Mutual

Lead Analyst, CAT Mgt

Portsmouth, NH

$125K - $163K/yr

Advanced proficiency in Python for data analysis, automation, and catastrophe modeling workflows ... Proven experience leading cross-functional projects and mentoring junior analysts * Ability to ...

Bespoke Labs

Data Engineer

Derry, NH · On-site

$115K - $138K/yr

Must-Have Skills 3+ years of data engineering experience -- pipelines, ETL, data modeling in production or research settings Strong Python proficiency (numpy, pandas, Parquet, HDF5 are daily tools ...

Bespoke Labs

Data Engineer

Rochester, NH · On-site

$112K - $134K/yr

Must-Have Skills 3+ years of data engineering experience -- pipelines, ETL, data modeling in production or research settings Strong Python proficiency (numpy, pandas, Parquet, HDF5 are daily tools ...

Walmart

(USA) Senior, Data Analyst

Kingston, NH · On-site

$88K - $171K/yr

Mentor junior analysts and promote best practices in data analysis and visualization What You'll ... Strong technical skills in tools and technologies such as Python, SQL, JavaScript, Next.js, Linux ...

Walmart

(USA) Senior, Data Analyst

East Candia, NH · On-site

$88K - $171K/yr

Mentor junior analysts and promote best practices in data analysis and visualization What You'll ... Strong technical skills in tools and technologies such as Python, SQL, JavaScript, Next.js, Linux ...

Walmart

(USA) Senior, Data Analyst

Epping, NH · On-site

$88K - $171K/yr

Mentor junior analysts and promote best practices in data analysis and visualization What You'll ... Strong technical skills in tools and technologies such as Python, SQL, JavaScript, Next.js, Linux ...

Walmart

(USA) Senior, Data Analyst

Sandown, NH · On-site

$88K - $171K/yr

Mentor junior analysts and promote best practices in data analysis and visualization What You'll ... Strong technical skills in tools and technologies such as Python, SQL, JavaScript, Next.js, Linux ...

Walmart

(USA) Senior, Data Analyst

Raymond, NH · On-site

$88K - $171K/yr

Mentor junior analysts and promote best practices in data analysis and visualization What You'll ... Strong technical skills in tools and technologies such as Python, SQL, JavaScript, Next.js, Linux ...

Walmart

(USA) Senior, Data Analyst

Auburn, NH · On-site

$88K - $171K/yr

Mentor junior analysts and promote best practices in data analysis and visualization What You'll ... Strong technical skills in tools and technologies such as Python, SQL, JavaScript, Next.js, Linux ...

Walmart

(USA) Senior, Data Analyst

Danville, NH · On-site

$88K - $171K/yr

Mentor junior analysts and promote best practices in data analysis and visualization What You'll ... Strong technical skills in tools and technologies such as Python, SQL, JavaScript, Next.js, Linux ...

Walmart

(USA) Senior, Data Analyst

East Hampstead, NH · On-site

$88K - $171K/yr

Mentor junior analysts and promote best practices in data analysis and visualization What You'll ... Strong technical skills in tools and technologies such as Python, SQL, JavaScript, Next.js, Linux ...

Walmart

(USA) Senior, Data Analyst

Deerfield, NH · On-site

$88K - $171K/yr

Mentor junior analysts and promote best practices in data analysis and visualization What You'll ... Strong technical skills in tools and technologies such as Python, SQL, JavaScript, Next.js, Linux ...

Walmart

(USA) Senior, Data Analyst

Nottingham, NH · On-site

$88K - $171K/yr

Mentor junior analysts and promote best practices in data analysis and visualization What You'll ... Strong technical skills in tools and technologies such as Python, SQL, JavaScript, Next.js, Linux ...

Walmart

(USA) Senior, Data Analyst

Fremont, NH · On-site

$88K - $171K/yr

Mentor junior analysts and promote best practices in data analysis and visualization What You'll ... Strong technical skills in tools and technologies such as Python, SQL, JavaScript, Next.js, Linux ...

Walmart

(USA) Senior, Data Analyst

Candia, NH · On-site

$88K - $171K/yr

Mentor junior analysts and promote best practices in data analysis and visualization What You'll ... Strong technical skills in tools and technologies such as Python, SQL, JavaScript, Next.js, Linux ...

Walmart

(USA) Senior, Data Analyst

Chester, NH · On-site

$88K - $171K/yr

Mentor junior analysts and promote best practices in data analysis and visualization What You'll ... Strong technical skills in tools and technologies such as Python, SQL, JavaScript, Next.js, Linux ...

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Junior Python Developer information

See Portsmouth, NH salary details

$24.5K

$90.7K

$140.1K

How much do junior python developer jobs pay per year?

As of Aug 20, 2026, the average yearly pay for junior python developer in Portsmouth, NH is $90,662.00, according to ZipRecruiter salary data. Most workers in this role earn between $68,300.00 and $88,600.00 per year, depending on experience, location, and employer.

What is a junior Python developer?

A Junior Python Developer is an entry-level software developer who specializes in writing, testing, and maintaining code using the Python programming language. They typically work under the guidance of senior developers and assist in building applications, fixing bugs, and improving performance. Their responsibilities may include writing scripts, working with databases, and integrating third-party services. Strong problem-solving skills, knowledge of Python frameworks like Django or Flask, and familiarity with version control systems like Git are often required. Junior developers are expected to learn quickly and contribute to the development team while gaining hands-on experience.

What are the typical daily responsibilities of a junior Python developer?

As a Junior Python Developer, your daily tasks may include writing and testing code, fixing bugs, and participating in code reviews alongside more experienced developers. You'll often work on modules or features under the guidance of senior team members, attend stand-up meetings, and update project documentation as needed. Collaboration with frontend developers, QA testers, and project managers is common, especially when integrating systems or implementing new features. Over time, you can expect to take on more complex tasks and gradually build your expertise through mentorship and hands-on project work.

What are the key skills and qualifications needed to thrive in the junior Python developer position?

To thrive as a Junior Python Developer, you need a solid foundation in Python programming, an understanding of computer science fundamentals, and often a relevant degree or coursework. Familiarity with version control systems like Git, basic experience with web frameworks such as Flask or Django, and knowledge of databases are commonly expected, while certifications like PCEP can be advantageous. Attention to detail, a willingness to learn, effective problem-solving, and strong communication skills are essential soft skills for this role. These competencies ensure you can contribute efficiently to software development projects, adapt to new challenges, and collaborate well within a development team.

Is there a demand for junior Python developers?

There is strong demand for junior Python developers across various industries, including web development, data analysis, and automation. Companies seek candidates with basic programming skills, knowledge of frameworks like Django or Flask, and familiarity with version control tools such as Git. Entry-level positions are available in both startups and established organizations, reflecting Python's popularity and versatility.

What does a junior Python developer do?

A junior Python developer writes, tests, and maintains Python code for software applications under supervision. They often work on tasks such as debugging, implementing features, and collaborating with team members using tools like version control systems. Basic knowledge of programming concepts and familiarity with frameworks like Django or Flask are typically required.

What are the most commonly searched types of Python Developer jobs in Portsmouth, NH?

The most popular types of Python Developer jobs in Portsmouth, NH are:

What are popular job titles related to Junior Python Developer jobs in Portsmouth, NH?

For Junior Python Developer jobs in Portsmouth, NH, the most frequently searched job titles are:

What cities near Portsmouth, NH are hiring for Junior Python Developer jobs?

Cities near Portsmouth, NH with the most Junior Python Developer job openings:

Junior Python Developer jobs near you
Infographic showing various Junior Python Developer job openings in Portsmouth, NH as of August 2026, with employment types broken down into 1% Internship, 84% Full Time, 10% Part Time, and 5% Contract. Highlights an 76% Physical, 7% Hybrid, and 17% Remote job distribution, with an average salary of $90,662 per year, or $43.6 per hour.

Lead Analyst, CAT Mgt

Liberty Mutual

Portsmouth, NH • On-site

$125K - $163K/yr

Full-time

Posted 6 days ago

Liberty Mutual rating

8.8

Company rating: 8.8 out of 10

Based on 161 frontline employees who took The Breakroom Quiz

46th of 310 rated insurance

Job description


Description

The lead catastrophe analyst, will provide strategic leadership and direction to a team of analysts, overseeing the planning, execution, and delivery of catastrophe risk assessment projects.

Responsibilities include managing resources, setting project priorities, and ensuring the accuracy and integrity of modeling processes and results. Will collaborate with senior management, external partners, and stakeholders to integrate catastrophe risk insights into strategic decision-making.

Strong leadership skills, project management expertise, and the ability to drive continuous improvement initiatives

Responsibilities:

1. Leads and oversees complex catastrophe risk assessment projects from start to finish.

2. Develops and implements advanced modeling methodologies to analyze and quantify catastrophe risk.

3. Provides strategic guidance and recommendations to senior management based on comprehensive risk assessments.

4. Mentors and coaches junior analysts, providing technical guidance and support.

5. Collaborates with stakeholders across departments to integrate catastrophe risk insights into strategic decision-making processes.

6. Conducts in-depth reviews and validations of catastrophe models and analysis results.

7. Manages relationships with external partners, such as catastrophe modeling vendors or reinsurers.

8. Leads efforts to enhance and optimize catastrophe modeling processes and workflows.

9. Serves as a subject matter expert on catastrophe risk management, representing the organization in industry forums and conferences.

10. Contributes to the development of company-wide risk management strategies and policies.

Qualifications
  • College degree in Computer Science, Mathematics, or Finance/General Business or Engineering or equivalent education and/or experience
  • 5-7 years of catastrophe modeling and management reporting experience
  • 2-3 years of hands-on experience with catastrophe modeling and exposure management software employed by the CAT unit
  • Strong knowledge of insurance and reinsurance products, underwriting principles, catastrophe risk management, and portfolio exposure management
  • Demonstrated ability to lead analytical initiatives, influence business decisions, and drive process improvements
  • Experience partnering with underwriting, actuarial, risk management and reinsurance teams to support catastrophe risk management and business objectives
  • Expert-level Excel and SQL knowledge
  • Advanced proficiency in Python for data analysis, automation, and catastrophe modeling workflows
  • Experience with Git/GitHub for version control, code management, and collaborative development
  • Familiarity with AI and Generative AI tools to improve analytics, reporting, and operational efficiency
  • Experience with Power BI, Tableau, or similar business intelligence and data visualization tools
  • Knowledge of cloud-based analytics platforms such as Microsoft Azure or AWS
  • Advanced knowledge of Verisk and other catastrophe modeling platforms preferred
  • Experience with catastrophe model validation, sensitivity testing, and uncertainty analysis
  • Demonstrated ability to automate reporting processes and improve data quality controls
  • Proven experience leading cross-functional projects and mentoring junior analysts
  • Ability to communicate complex catastrophe risk analyses to senior leadership and business partners
  • Experience with exposure management, accumulation management and portfolio optimization
  • Experience working with large-scale datasets and relational databases in support of CAT analytics
About Us

Pay Philosophy: The typical starting salary range for this role is determined by a number of factors including skills, experience, education, certifications and location. The full salary range for this role reflects the competitive labor market value for all employees in these positions across the national market and provides an opportunity to progress as employees grow and develop within the role. Some roles at Liberty Mutual have a corresponding compensation plan which may include commission and/or bonus earnings at rates that vary based on multiple factors set forth in the compensation plan for the role.
At Liberty Mutual, our goal is to create a workplace where everyone feels valued, supported, and can thrive. We build an environment that welcomes a wide range of perspectives and experiences, with inclusion embedded in every aspect of our culture and reflected in everyday interactions. This comes to life through comprehensive benefits, workplace flexibility, professional development opportunities, and a host of opportunities provided through our Employee Resource Groups. Each employee plays a role in creating our inclusive culture, which supports every individual to do their best work. Together, we cultivate a community where everyone can make a meaningful impact for our business, our customers, and the communities we serve.
We value your hard work, integrity and commitment to make things better, and we put people first by offering you benefits that support your life and well-being. To learn more about our benefit offerings please visit: https://www.libertymutualgroup.com/about-lm/careers/benefits
Liberty Mutual is an equal opportunity employer. We will not tolerate discrimination on the basis of race, color, national origin, sex, sexual orientation, gender identity, religion, age, disability, veteran's status, pregnancy, genetic information or on any basis prohibited by federal, state or local law.
Fair Chance Notices

  • California
  • Los Angeles Incorporated
  • Los Angeles Unincorporated
  • Philadelphia
  • San Francisco

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About Liberty Mutual

Sourced by ZipRecruiter

Since 1912, we've grown into the fifth largest global property and casualty insurer based on 2022 gross written premium. We also rank 86 on the Fortune 100 list of largest corporations in the US based on 2022 revenue. ​At Liberty Mutual Insurance we work hard every day to support our customers and our people, so they can protect their families, build their businesses and invest in their futures. We are headquartered in Boston, but our people, our customers and our reach span the globe. So to better serve our global customers and employees, we are organized into three business units.

Industry

Insurance services

Company size

10,000+ Employees

Headquarters location

Boston, MA, US

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