ZipRecruiter

Log In

1

Senior Python Developer Jobs in Fitchburg, MA (NOW HIRING)

BAE Systems

Eng Sr - SW

Nashua, NH · On-site

$123K - $163K/yr

We are seeking a Senior Python Backend Engineer to join our Digital Architecture Team (DAT). In this role, you will be the driving force behind the services that power our digital transformation ...

MKS2 Technologies

Senior Systems Engineer

Tewksbury, MA · On-site

$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 · 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 ...

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

$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 ...

next page

Showing results 1-20

All JobsPython Developer JobsSenior Python Developer JobsSenior Python Developer Jobs in Fitchburg, MA

Senior Python Developer information

See Fitchburg, MA salary details

$55.6K

$143.6K

$197.3K

How much do senior python developer jobs pay per year?

As of Sep 1, 2026, the average yearly pay for senior python developer in Fitchburg, MA is $143,634.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,900.00 and $165,400.00 per year, depending on experience, location, and employer.

What are the main responsibilities of a senior Python developer?

A Senior Python Developer is responsible for designing, developing, and maintaining complex software applications using the Python programming language. They lead the technical aspects of projects, mentor junior developers, and ensure code quality through code reviews and best practices. Additionally, they collaborate with cross-functional teams to gather requirements, solve technical challenges, and deploy scalable and efficient solutions. Senior Python Developers are also expected to stay updated with the latest trends and advancements in Python and related technologies.

What are the key skills and qualifications needed to thrive as a senior Python developer?

To thrive as a Senior Python Developer, you need advanced proficiency in Python programming, experience with software architecture, and a solid understanding of algorithms and data structures, usually backed by a degree in computer science or related fields. Familiarity with frameworks like Django or Flask, version control systems such as Git, and containerization tools like Docker are typically required, alongside knowledge of modern CI/CD pipelines. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with teams and mentor junior developers. Mastery of these skills ensures the delivery of scalable, maintainable software solutions and the ability to drive technical excellence within development teams.

What are some common challenges faced by senior Python developers when leading a development team?

Senior Python Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members and ensuring code quality across the team. They are also responsible for making architectural decisions, which requires staying updated on best practices and emerging Python frameworks. Additionally, coordinating collaboration between cross-functional teams (like DevOps, QA, and front-end developers) can be complex, especially in agile environments where requirements may shift rapidly. Overcoming these challenges helps foster a productive and innovative team culture.

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

AspectSenior Python DeveloperPython Developer
Required ExperienceTypically 5+ years, with leadership and complex project experienceUsually 1-3 years, focusing on core Python skills
ResponsibilitiesDesigning architecture, mentoring, handling complex systemsWriting code, debugging, implementing features
CertificationsOptional but beneficial (e.g., Python certifications, cloud certs)Often not required
Work EnvironmentCollaborative teams, project planning, code reviewsDevelopment-focused, task-oriented

The main difference between a Senior Python Developer and a Python Developer lies in experience, responsibilities, and leadership. Senior developers handle complex projects, mentor others, and often participate in architecture decisions, while Python Developers focus on coding and feature implementation. Both roles are essential in tech companies, but the senior role requires more experience and broader skills.

Are senior Python developers still in demand?

Senior Python developers remain in high demand due to the language's versatility in web development, data analysis, machine learning, and automation. Companies seek experienced developers with skills in frameworks like Django or Flask, and proficiency in cloud platforms and APIs enhances job prospects.

How much does a senior Python developer make?

A senior Python developer typically earns between $100,000 and $150,000 annually, depending on experience, location, and industry. They often possess strong skills in frameworks like Django or Flask and may hold certifications or advanced degrees that influence salary levels.

What does a senior Python developer do?

A senior Python developer designs, develops, and maintains complex software applications using Python. They often lead projects, review code, optimize performance, and collaborate with cross-functional teams, requiring strong problem-solving skills and knowledge of frameworks like Django or Flask. Additionally, they may mentor junior developers and ensure code quality through testing and best practices.

What job categories do people searching Senior Python Developer jobs in Fitchburg, MA look for?

The top searched job categories for Senior Python Developer jobs in Fitchburg, MA are:

What cities near Fitchburg, MA are hiring for Senior Python Developer jobs?

Cities near Fitchburg, MA with the most Senior Python Developer job openings:

Senior Python Developer jobs near you
Infographic showing various Senior Python Developer job openings in Fitchburg, MA as of August 2026, with employment types broken down into 2% Internship, 86% Full Time, 6% Part Time, and 6% Contract. Highlights an 76% Physical, 6% Hybrid, and 18% Remote job distribution, with an average salary of $143,634 per year, or $69.1 per hour.

Eng Sr - SW

BAE Systems

Nashua, NH • On-site

$123K - $163K/yr

Other

Re-posted 27 days ago

BAE Systems rating

8.4

Company rating: 8.4 out of 10

Based on 151 frontline employees who took The Breakroom Quiz

10th of 49 rated military and defense

Job description


At BAE Systems, we help protect those who protect us. We are seeking a Senior Python Backend Engineer to join our Digital Architecture Team (DAT). In this role, you will be the driving force behind the services that power our digital transformation, building the high-performance backend systems that turn raw engineering data into mission-critical capabilities.
You will be responsible for designing and implementing scalable, secure, and maintainable microservices that sit at the heart of our autonomous mission management and data analytics platforms. You will work at the intersection of high-performance computing and cloud-native architecture, ensuring our backend is robust enough to handle the rigors of defense-industry requirements.
Key Responsibilities
Microservice Development: Design and develop high-performance backend services using Python, focusing on scalability, maintainability, and low-latency response times.
API Design & Implementation: Lead the development of gRPC and RESTful APIs, utilizing Protobuf to ensure efficient, type-safe communication between distributed services.
System Integration: Build the "glue" that connects our containerized microservices platform to both modern cloud databases and legacy Windows-based infrastructure.
Backend Optimization: Optimize application performance through efficient concurrency models (AsyncIO), caching strategies, and database query optimization.
DevOps & Deployment: Own the containerization of your services using Docker and Kubernetes, integrating them into robust CI/CD pipelines for automated deployment.
Technical Leadership: Lead code reviews, establish Python coding standards (PEP 8), and mentor mid-level and junior engineers to ensure a high bar for software quality.
About BAE Systems Electronic Systems
BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it's what we do at BAE Systems. Working here means using your passion and ingenuity where it counts - defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team-making a big impact on a global scale. At BAE Systems, you'll find a rewarding career that truly makes a difference. Electronic Systems (ES) is the global innovator behind BAE Systems' game-changing defense and commercial electronics. Exploiting every electron, we push the limits of what is possible, giving our customers the edge and our employees opportunities to change the world. Our products and capabilities can be found everywhere - from the depths of the ocean to the far reaches of space. At our core are more than 14,000 highly talented Electronic Systems employees with the brightest minds in the industry, we make an impact - for our customers and the communities we serve.
This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.
Required Skills and Education
Required Education & Experience Education:
  • Bachelor's Degree in Computer Science, Software Engineering, or a related technical field.
  • 6+ years of professional experience in backend software engineering, with a heavy emphasis on the Python ecosystem.
  • Core Technical Stack: Advanced Python: Mastery of Python 3.x, including asynchronous programming (AsyncIO), decorators, and type hinting.
  • High-Performance Comms: Professional experience with gRPC and Protocol Buffers (Protobuf).
  • Frameworks: Proficiency with modern Python frameworks (e.g., FastAPI, Flask, or Django).
  • Database Interaction: Strong experience with PostgreSQL and ORMs like SQLAlchemy.
  • Infrastructure: Hands-on experience with Docker and Kubernetes in a production environment.
  • Must be a US Citizen, eligible for a US Secret security clearance.

Preferred Skills and Education
Preferred Skills & Qualifications:
  • Experience with message brokers or event-driven architectures (e.g., Kafka, RabbitMQ, or Redis).
  • Familiarity with C# or other statically typed languages to support integration with legacy systems.
  • Experience implementing OAuth2, JWT, or other secure authentication/authorization patterns.
  • Knowledge of distributed system patterns (Circuit Breaker, Saga, etc.).
  • Clearance: Ability to obtain and maintain a U.S. Secret Clearance.
  • Culture Fit
  • Clean Code Advocate: A passion for writing readable, testable, and maintainable code with a strong emphasis on unit and integration testing.
  • Architectural Thinker: Ability to look beyond the immediate ticket to understand how a service affects the entire system's reliability.
  • Collaborative Problem Solver: A willingness to partner with Data Engineers and Frontend developers to create a seamless end-to-end user experience.
  • Mission-Driven: A commitment to the reliability and security required for national security applications.

What BAE Systems employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

BAE Systems logo

About BAE Systems

Sourced by ZipRecruiter

At BAE Systems, we provide some of the world's most advanced, technology-led defence, aerospace and security solutions. We employ a skilled workforce of more than 93,000 in around 40 countries. Working with customers and local partners, we develop, engineer, manufacture, and support products and systems to deliver military capability, protect national security and people, and keep critical information and infrastructure secure.

Industry

National security and international affairs and it services

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

View All BAE Systems Jobs

Apply