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

Vanguard Renewables

Senior Technical Developer

Weston, MA · On-site

$83.43K - $182.31K/yr

The Senior Technical Developer is a hands-on technical leadership role that directly supports the ... NET * Python scripting * Angular * Azure SQL * Azure cloud environment (azure functions, dev/ops-CI ...

Vanguard Renewables

Senior Technical Developer

Weston, MA · On-site

$83.43K - $182.31K/yr

The Senior Technical Developer is a hands-on technical leadership role that directly supports the ... NET * Python scripting * Angular * Azure SQL * Azure cloud environment (azure functions, dev/ops-CI ...

Aptonet

Senior Manager - Data Engineering

Boston, MA · Hybrid

Senior Manager - Data Engineering Boston | Hybrid (4 Days Onsite) Long-Term Contract to Hire ... Expertise in Python / PySpark * Strong knowledge of Azure Data Factory * Experience with Azure ...

New

Roberts Recruiting

Senior DevOps Engineer

Cambridge, MA

$142.10K - $182.50K/yr

We're looking for a Senior DevOps Engineer to implement and manage our cloud based infrastructure ... Python, bash, other scripting languages The Qualifications: * Bachelor's degree or equivalent ...

Magnite

Senior Engineer - Developer Experience Team

Boston, MA · On-site +1

$133.10K - $175.50K/yr

Join the Developer Experience (DX) team as a Senior Engineer. This leverage role is for an engineer ... Comfort working with Java, Python and Typescript. Rust knowledge is a strong plus. You must bring ...

STR

Senior DevOps Engineer

Woburn, MA

$134K - $184K/yr

As a Senior DevOps Engineer you will establish and maintain a continuous integration / continuous ... Implement automated build systems for C/C++ and Python codebases using CMake, Conan, and similar ...

STR

Senior DevOps Engineer

Woburn, MA · On-site

$134K - $184K/yr

As a Senior DevOps Engineer you will establish and maintain a continuous integration / continuous ... Implement automated build systems for C/C++ and Python codebases using CMake, Conan, and similar ...

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Senior Python Developer information

See Chelmsford, MA salary details

$57.1K

$147.5K

$202.6K

How much do senior python developer jobs pay per year?

As of May 29, 2026, the average yearly pay for senior python developer in Chelmsford, MA is $147,514.00, according to ZipRecruiter salary data. Most workers in this role earn between $126,200.00 and $169,900.00 per year, depending on experience, location, and employer.

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

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 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 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.

What job categories do people searching Senior Python Developer jobs in Chelmsford, MA look for? The top searched job categories for Senior Python Developer jobs in Chelmsford, MA are:
What cities near Chelmsford, MA are hiring for Senior Python Developer jobs? Cities near Chelmsford, MA with the most Senior Python Developer job openings:
Senior Python Developer jobs near you
Infographic showing various Senior Python Developer job openings in Chelmsford, MA as of May 2026, with employment types broken down into 78% Full Time, 15% Part Time, and 7% Contract. Highlights an 92% Physical, 5% Hybrid, and 3% Remote job distribution, with an average salary of $147,514 per year, or $70.9 per hour.
Senior Full Stack Developer

Senior Full Stack Developer

Diamond Generating Corporation

Boston, MA • On-site

Full-time

Posted 14 days ago

Job description

Senior Full Stack Developer
Boston Energy Trading & Marketing (BETM) has accelerated its shift to digital growth and cloud enablement. Our talented, energetic team is creating next-gen platforms to provide industry leading solutions supporting the green energy transition. We're seeking candidates with the passion to enhance value through technology, and with the experience to effectively manage & mature the solutions we create. If you have those traits, and you are ready to join our Boston-based team in a hybrid work model, we would love to hear from you!
As part of this team, you will engage closely with business & IT colleagues to improve, streamline and automate business processes. You will design, build and manage applications/workflows in a cloud environment. You will leverage tools which automate processes, enabling our DevOps capabilities to manage all aspects of application development. You are organized, driven to solve problems and have a passion for life-long learning. Your strong engineering skills, along with your customer-focused mindset, makes you a valuable addition to our team.
Role Overview
As a Senior Full Stack Developer, you will design, build, and maintain cloud-based applications and workflows that streamline and automate business processes. You'll work closely with business and IT teams to deliver scalable, high-quality solutions using modern technologies across the stack.
Key Responsibilities
  • Develop and maintain full-stack applications using React, TypeScript, Python, and FastAPI.
  • Build and optimize APIs and microservices for performance and scalability.
  • Design and implement data workflows leveraging Snowflake and Postgres.
  • Implement distributed caching using Redis for high-performance applications.
  • Collaborate with cross-functional teams to gather requirements and deliver solutions in an agile environment.
  • Write clean, efficient, and maintainable code following best practices.
  • Implement CI/CD pipelines and DevOps practices for cloud deployments.
  • Identify opportunities for reusable components and automation to accelerate delivery.

Qualifications
  • Bachelor's degree in Computer Science, Engineering, or related field.
  • 7+ years of professional software development experience.
  • Strong proficiency in React, TypeScript, Python, and FastAPI.
  • Solid understanding of OOP, algorithms, data structures, and design patterns.
  • Familiarity with Redis for distributed caching.
  • Familiarity with Azure services (Data Factory, Functions, Storage, SQL Database, Managed Instance) and cloud architecture.
  • Hands-on experience with DevOps tools, CI/CD pipelines, and workflow automation.
  • Excellent communication and collaboration skills; passion for continuous learning and improvement.

Range: $145,000 - $175,000

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