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Sr Python Engineer Jobs in Lowell, MA (NOW HIRING)

Worldpay

Senior Python Software Engineer

Boston, MA · On-site

$119K - $179.75K/yr

We're looking for a Senior Python Engineer to join our ever evolving Pazien team and help us unleash the potential of every business. The Pazien engineering team is seeking a Platform engineer who ...

Worldpay

Senior Python Software Engineer

Boston, MA · On-site

$119K - $179.75K/yr

Whatyou'llownas theSenior Python Engineer * Designing, programming,debuggingandmodifyingsoftware enhancements. * Interactingwith product managers and users to define requirements and modifications.

Code Metal

Senior Software Engineer - Python

Boston, MA · On-site +1

$133.10K - $175.50K/yr

Senior Software Engineer - Python AI Pipelines We are looking for a Senior Software Engineer to help build a new generation of transpilation tools powered by AI and modern verification techniques.

Code Metal

Senior Software Engineer - Python

Boston, MA · Remote

$125.40K - $165.30K/yr

Senior Software Engineer - Python AI Pipelines We are looking for a Senior Software Engineer to help build a new generation of transpilation tools powered by AI and modern verification techniques.

Code Metal

Senior Software Engineer - Python

Boston, MA

$133.10K - $175.50K/yr

Senior Software Engineer - Python AI Pipelines We are looking for a Senior Software Engineer to help build a new generation of transpilation tools powered by AI and modern verification techniques.

Ecovent

Senior Software Engineer

Boston, MA

$133.10K - $175.50K/yr

Are you an experienced full-stack Python developer who can solve tough technical problems ... Our Senior Software Engineer role can jump into many technical areas, design and implement clean ...

Code Metal

Senior Software Engineer - Rust and Python

Boston, MA · On-site

$133.10K - $175.50K/yr

We're looking for a Senior Software Engineer with strong Rust and Python expertise and a product-focused mindset to help build a new class of AI-powered transpilation and code generation tools. These ...

Code Metal

Senior Software Engineer - Rust and Python

Boston, MA · On-site

$133.10K - $175.50K/yr

We're looking for a Senior Software Engineer with strong Rust and Python expertise and a product-focused mindset to help build a new class of AI-powered transpilation and code generation tools. These ...

Code Metal

Senior Software Engineer - Rust and Python

Boston, MA · Hybrid

$133.10K - $175.50K/yr

We're looking for a Senior Software Engineer with strong Rust and Python expertise and a product-focused mindset to help build a new class of AI-powered transpilation and code generation tools. These ...

TriOptus LLC

Python Full Stack Developer

Boston, MA · On-site

This role is ideal for a Lead or Senior Engineer who thrives as an individual contributor and wants ... Experience with key Python Libraries (pandas, NumPy) required * Experience in frontend development ...

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Sr Python Engineer information

See Lowell, MA salary details

$22.8K

$138.8K

$200.8K

How much do sr python engineer jobs pay per year?

As of May 29, 2026, the average yearly pay for sr python engineer in Lowell, MA is $138,819.00, according to ZipRecruiter salary data. Most workers in this role earn between $109,600.00 and $163,100.00 per year, depending on experience, location, and employer.

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

To thrive as a Sr Python Engineer, you need advanced proficiency in Python programming, strong knowledge of software design patterns, and experience with scalable application development, often supported by a degree in computer science or related field. Familiarity with frameworks like Django or Flask, version control systems such as Git, and cloud platforms like AWS or Azure is typically required, with certifications in cloud or Python development considered a plus. Excellent problem-solving abilities, strong communication, and leadership skills help you collaborate effectively and mentor junior engineers. These competencies are critical for delivering robust, efficient solutions and driving technical excellence within development teams.

What are some common challenges Sr Python Engineers face when working on large-scale applications?

Sr Python Engineers often encounter challenges related to maintaining code quality and scalability as applications grow. Managing dependencies, ensuring optimal performance, and coordinating with cross-functional teams can be complex, especially in distributed systems. Additionally, integrating new technologies or frameworks while maintaining backward compatibility requires careful planning and communication. Proactive code reviews, clear documentation, and collaborative problem-solving are essential to overcoming these challenges.

What does a Sr Python Engineer do?

A Sr Python Engineer is an experienced software developer who specializes in designing, developing, and maintaining applications using the Python programming language. They often lead projects, mentor junior engineers, and work on complex problems that require deep technical expertise. Their responsibilities may include writing efficient code, optimizing performance, integrating with APIs or databases, and ensuring the overall quality of software solutions. Additionally, they may collaborate with cross-functional teams to deliver robust and scalable applications.

What is the difference between Sr Python Engineer vs Python Developer?

AspectSr Python EngineerPython Developer
Required CredentialsBachelor's degree in CS or related field, experience in Python, often some leadership skillsBachelor's degree in CS or related field, strong Python skills, often less emphasis on leadership
Work EnvironmentTeam lead, project architect, involved in system design and optimizationCode writing, feature development, bug fixing
Employer & Industry UsageTech companies, startups, enterprise softwareWeb development, data analysis, automation projects

While both roles require strong Python skills, Sr Python Engineers typically have more experience, leadership responsibilities, and involvement in system architecture, whereas Python Developers focus more on coding and feature implementation.

What are popular job titles related to Sr Python Engineer jobs in Lowell, MA? For Sr Python Engineer jobs in Lowell, MA, the most frequently searched job titles are:
What job categories do people searching Sr Python Engineer jobs in Lowell, MA look for? The top searched job categories for Sr Python Engineer jobs in Lowell, MA are:
Sr Python Engineer jobs near you
Senior Python Software Engineer

Senior Python Software Engineer

Worldpay

Boston, MA • On-site

$119K - $179.75K/yr

Full-time

Posted 10 days ago

Job description

Job Description
This position is not eligible for visa sponsorship, now or in the future. Candidates must be a US Citizen or Green Card Holder.
This position is remote within the Greater Boston, MA area only.
Are you ready to write your next chapter?
Make your mark at one of the biggest names in payments. We're looking for a Senior Python Engineer to join our ever evolving Pazien team and help us unleash the potential of every business.
The Pazien engineering team is seeking a Platform engineer who can build out our product platform using cutting edge technologies. The platform encompasses all data acquisition, data pipeline, and all API's. You'll be joining a small team working on expanding a new reporting and analytics product to drastically simplify the payments ecosystem for ecommerce merchants.
What you'll own as the Senior Python Engineer
  • Designing, programming, debugging and modifying software enhancements.

  • Interacting with product managers and users to define requirements and modifications.

  • Participating in software design meetings to determine technical requirements.

  • Working with internal Client Training, Client Relationship and Sales teams.

What you'll bring
  • A Bachelor's in computer engineering, computer science or other related discipline or equivalent experience plus 5+ years of experience

  • Experience with end-to-end system development life cycles and standards.

  • Knowledge of at least one programming language (we use Python 3)

  • Experience with at least one database, SQL or NoSQL

  • Experience writing both functional and unit tests, experience with mocking a big plus

  • Experience writing scalable backend services that run in a production setting

  • Experience reviewing and critiquing code of others

  • Proficiency in a Unix environment (we run on Ubuntu in AWS)

  • Knowledge of financial industry practices, regulations and operations.

  • Fluency in sequence diagrams, class models, etc.

  • Proficiency in solutions design and requirements definition disciplines.

It's a bonus if you have
  • Experience handling large quantities of data

  • Experience with NoSQL (We use MongoDB)

  • Experience building applications in python

  • Familiarity with test-driven development and continuous integration (Grunt/Git/Jenkins)

About the team
To learn more about our winning teams, check out our world-class teams that own it every day.
What makes a Worldpayer
What makes a Worldpayer? It's simple: Think, Act, Win. We stay curious, always asking the right questions and finding creative solutions to simplify the complex. We're dynamic, every Worldpayer is empowered to make the right decisions for their customers. And we're determined, always staying open and winning and failing as one.
Does this sound like you? Then you sound like a Worldpayer. Apply now to write the next chapter in your career.
#LI-AD1
Worldpay is dedicated to offering individuals rewarding career opportunities and competitive compensation. For this full-time position, the good faith estimated annual salary range upon hire is $119,000.00-$179,750.00. This range reflects what we reasonably expect to offer based on the role's responsibilities, level, and geographic location. The actual starting salary will be determined by a candidate's experience, job-related skills, and relevant education or training. Please note that changes in work location may impact the final offered salary. We encourage you to consult with your recruiter to confirm the budget for your location and to better understand the applicable pay scale.
EEOC Statement
Worldpay is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, marital status, genetic information, national origin, disability, veteran status, and other protected characteristics. The EEO is the Law poster is available here.
If you are made a conditional offer of employment and will be working in the United States, you will be required to undergo a drug test. In developing this job description care was taken to include all competencies and requirements needed to successfully perform the position. Reasonable accommodations will be provided for individuals with qualified disabilities both during the hiring process, as well as to allow the individual to perform the essential functions of the job, if hired.

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