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Senior Python Flask Developer Jobs in Merrimack, NH

BAE Systems

Eng Sr - SW

Nashua, NH · On-site

$97K - $164K/yr

We are seeking a highly skilled and experienced Senior Python Engineer to join the Digital Architecture Team (DAT), leading the design, development, deployment, and sustainment of mission-critical ...

Mastech Digital

Senior Automation Engineer

Merrimack, NH · Remote

$55 - $60/hr

Python Role Description: The Senior Automation Engineer must have 5+ years of experience. As a Software Engineer in Test, you will be applying your strong software development and test automation ...

MKS2 Technologies

Senior Systems Engineer

Tewksbury, MA

$112K - $154K/yr

Senior Systems Engineer - LTAMDS Radar Work Location: On-Site Position Overview Looking for a ... Experience with C++, Python, or similar. * Experience with generating technical documentation, such ...

Magna

Sr. DevOps Engineer

Lowell, MA

$128K - $165K/yr

We are seeking a Senior Cloud DevOps Engineer to design, implement, and support scalable, secure ... Proficiency in scripting with Python and Bash. * Experience with tools like Git, Jenkins, and ...

Magna

Sr. DevOps Engineer

Lowell, MA · On-site

$128K - $165K/yr

We are seeking a Senior Cloud DevOps Engineer to design, implement, and support scalable, secure ... Proficiency in scripting with Python and Bash. * Experience with tools like Git, Jenkins, and ...

ATR International

Senior Cloud Engineer

Merrimack, NH · On-site

$125K - $165K/yr

Position Description We are looking for a Senior Software Engineer to join our Market Data team ... Python, Cassandra database and knowledge of cloud platform, although we're open to strong ...

ATR International

Senior Cloud Engineer

Merrimack, NH · On-site

$125K - $165K/yr

Position Description We are looking for a Senior Software Engineer to join our Market Data team ... Python, Cassandra database and knowledge of cloud platform, although we're open to strong ...

AVTC Group

Sr. Radar Systems Engineer

Tewksbury, MA · On-site

$112K - $154K/yr

... etc... Sr. Radar Systems Engineer Looking for a Senior Systems Engineer for supporting the ... Python, or similar • Experience with generating technical documentation, such as test plans ...

Eliassen Group

Senior Software Engineer

Manchester, NH · On-site

$70 - $80/hr

The Senior Software Engineer will develop, test, deliver, and support workflow-driven features that ... Build, deploy, and support production web applications using languages such as Python and ...

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All JobsSenior Python Flask Developer JobsSenior Python Flask Developer Jobs in Merrimack, NH

Senior Python Flask Developer information

See Merrimack, NH salary details

$56.3K

$145.4K

$199.7K

How much do senior python flask developer jobs pay per year?

As of Jun 23, 2026, the average yearly pay for senior python flask developer in Merrimack, NH is $145,362.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,400.00 and $167,400.00 per year, depending on experience, location, and employer.

How much does a senior Python developer make?

A senior Python Flask developer typically earns between $100,000 and $150,000 annually, depending on experience, location, and company size. They often possess strong skills in web frameworks, APIs, and database integration, which can influence salary levels.

What are Senior Python Flask Developers?

Senior Python Flask Developers are experienced software engineers who specialize in building web applications using the Python programming language and the Flask web framework. They are responsible for designing, developing, and maintaining scalable backend systems, APIs, and web services. In addition to strong coding skills, they often lead projects, mentor junior developers, and ensure best practices in code quality, security, and performance. Their expertise allows them to solve complex technical challenges and contribute to the overall architecture and success of software projects.

What is the salary of Python flask?

The salary for a Senior Python Flask Developer typically ranges from $90,000 to $130,000 annually, depending on experience, location, and company size. Skilled developers with knowledge of REST APIs, database integration, and cloud deployment tend to earn higher salaries.

What are some common challenges faced by Senior Python Flask Developers when working on large-scale applications?

Senior Python Flask Developers often encounter challenges such as managing complex codebases, ensuring scalability, and maintaining performance as applications grow. Integrating Flask with other technologies (like databases, caching systems, or third-party APIs) can introduce architectural complexities. Additionally, balancing rapid development with writing maintainable, well-tested code is crucial. Collaboration with frontend developers, DevOps, and QA teams is frequent, requiring strong communication and problem-solving skills.

What is the difference between Senior Python Flask Developer vs Python Developer?

AspectSenior Python Flask DeveloperPython Developer
Required CredentialsBachelor's in CS or related, experience with Flask, REST APIsBachelor's in CS or related, basic Python knowledge
Work EnvironmentWeb development teams, startups, tech companiesSoftware development teams, startups, tech companies
Employer & Industry UsageTech firms, SaaS companies, startupsVariety of industries including finance, healthcare, tech
Search & Comparison IntentAdvanced roles, leadership, project scopeEntry to mid-level development, learning

The main difference between a Senior Python Flask Developer and a Python Developer lies in experience and responsibilities. Senior developers typically have more expertise in Flask, lead projects, and mentor junior staff, whereas Python Developers may focus on coding and basic application development. Both roles are essential in web development teams, but senior roles require deeper knowledge and leadership skills.

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

To thrive as a Senior Python Flask Developer, you need advanced proficiency in Python, deep understanding of the Flask framework, and experience designing scalable backend architectures, typically supported by a degree in computer science or related field. Familiarity with RESTful API development, database management systems like PostgreSQL or MySQL, and version control tools such as Git is essential, and certifications in cloud platforms or web development can be beneficial. Strong problem-solving skills, clear communication, and the ability to mentor junior developers are standout soft skills for this role. These abilities ensure efficient delivery of robust, maintainable web applications and foster productive collaboration within development teams.

What is the highest paid Python programmer?

Senior Python Flask developers with extensive experience, specialized skills, and knowledge of frameworks and cloud services tend to earn the highest salaries among Python programmers. Top earners often work in industries like finance, technology, or data science and may hold advanced certifications or leadership roles. Salary levels vary based on location, company size, and individual expertise.

Is Flask a backend or frontend?

Flask is a lightweight Python web framework used for building backend applications and APIs. It handles server-side logic, data processing, and routing, but does not manage frontend user interfaces directly. Developers often combine Flask with frontend technologies like HTML, CSS, and JavaScript to create complete web applications.
What are popular job titles related to Senior Python Flask Developer jobs in Merrimack, NH? For Senior Python Flask Developer jobs in Merrimack, NH, the most frequently searched job titles are:
Senior Python Flask Developer jobs near you
Infographic showing various Senior Python Flask Developer job openings in Merrimack, NH as of June 2026, with employment types broken down into 1% Internship, 5% As Needed, 5% Full Time, 82% Part Time, and 7% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $145,362 per year, or $69.9 per hour.

Senior Angular/Python Engineer

Fidelity Investments

Merrimack, NH • On-site

$124K - $167K/yr

Full-time

Posted 15 days ago

Fidelity Investments rating

8.7

Company rating: 8.7 out of 10

Based on 264 frontline employees who took The Breakroom Quiz

14th of 138 rated financial services

Job description

Job Description:
Note: Fidelity is not providing immigration sponsorship for this position.
The Role
Fixed Income Technology is looking for a full stack developer to join the Fixed Income Investment Tools Development Team. As a member of our team, you will be working with our investment team and interact directly with portfolio managers, quant analysts, traders, and investment operations teams to build new and innovative tools that will support and improve our investment process. These tools are critically important to the work of the investment team in handling risk, adding return, and operating our business. You will be embedded with the investment team as a key technology partner supporting the investment process.
The Expertise and Skills You Bring
  • BS in Computer Science or equivalent degree and over four years of professional experience
  • Experience developing applications using Angular as primary frontend framework for UI
  • Experience working in Python, SQL and Microsoft Suite of tools including Excel VBA and Power Platform is a plus
  • Exposure to AWS/Azure cloud environment and proven understanding of CI/CD & DevOps
  • Experience decomposing sophisticated business problems into creative, efficient, and scalable solutions
  • Excellent active listening, verbal and written communication skills and brings excitement that builds collaboration and community
  • Ability to respond to a variety of requests and being able to prioritize them effectively
  • Negotiate a balance between 'absolute best' and 'efficient and practical' to good effect'
  • Ability to learn new technology, business workflows, concepts, processes and contribute to the investment process
  • Trusted technical partner that collaborates closely with end users to understand and respond to business needs
  • Bring curiosity and a questioning mind-set to work, asking always about the 'why' and the 'value' of an activity or task

The Team
Due to the breadth and complexity of the various securities held in Fixed Income funds, our technology must keep pace with changes in investment markets, strategies, and regulations. The Investment Tools Development (ITD) team works directly with investment professionals using a suite of technologies and digital tools to build solutions. Asset Management Technology (AMT) provides worldwide technology and support to all the Investment Management, Research, Trading, and Investment Operations functions. AMT is an integral partner for Asset Management to deliver innovative, scalable, industry-leading investment tools that enable Asset Management to achieve competitive advantage globally.
Certifications:
Category:
Information Technology
Please be advised that Fidelity's business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.

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