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

Deloitte

Senior Data Engineer

Hartford, CT · Hybrid

$106K - $145K/yr

Python, PySpark, Spark SQL, SQL Server * Azure (ADF, ADLS Gen2, Key Vault, Azure Monitor ... Git / Azure DevOps * Deep Spark internals (DAG optimization, spill analysis, skew handling) * Delta ...

LiquidPiston Inc.

Senior Engine Sealing Engineer

Bloomfield, CT · On-site

$100 - $130/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Senior Simulation Engineer (Bearings & Seals) This role is fully onsite in Bloomfield, CT, five ... Programming languages: Matlab (MUST), Python/C++. * Deep understanding of high‑temperature ...

ISO New England, Inc.

Senior Applied AI Engineer

Holyoke, MA · On-site

$141K - $171K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Senior Applied AI Engineer, you will operate at the intersection of power systems engineering ... Strong software engineering skills (Python, data pipelines, version control, etc.) * Excellent ...

LiquidPiston

Senior Mechanical Simulation Engineer

Suffield, CT · On-site

$101K - $134K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Senior Simulation Engineer (Bearings & Seals) This role is fully onsite in Bloomfield, CT, five ... Matlab (MUST), Python/C++ * Deep understanding of high-temperature materials science and their ...

ISO New England

Senior Applied AI Engineer

Holyoke, MA · On-site

$141K - $171K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

As a Senior Applied AI Engineer, you will operate at the intersection of power systems engineering ... Strong software engineering skills (Python, data pipelines, version control, etc.) * Excellent ...

LiquidPiston, Inc.

Senior Mechanical Simulation Engineer

Suffield, CT · On-site

$101K - $134K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Senior Simulation Engineer (Bearings & Seals) This role is fully onsite in Bloomfield, CT, five ... Matlab (MUST), Python/C++ * Deep understanding of high-temperature materials science and their ...

LiquidPiston, Inc.

Senior Mechanical Simulation Engineer

Suffield, CT · On-site

$101K - $134K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Senior Simulation Engineer (Bearings & Seals) This role is fully onsite in Bloomfield, CT, five ... Matlab (MUST), Python/C++ * Deep understanding of high-temperature materials science and their ...

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

Senior Python Developer information

See Springfield, MA salary details

$54.8K

$141.5K

$194.3K

How much do senior python developer jobs pay per year?

As of Aug 20, 2026, the average yearly pay for senior python developer in Springfield, MA is $141,479.00, according to ZipRecruiter salary data. Most workers in this role earn between $121,100.00 and $162,900.00 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 are the most commonly searched types of Python Developer jobs in Springfield, MA?

The most popular types of Python Developer jobs in Springfield, MA are:

What are popular job titles related to Senior Python Developer jobs in Springfield, MA?

For Senior Python Developer jobs in Springfield, MA, the most frequently searched job titles are:

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

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

Senior Python Developer jobs near you
Infographic showing various Senior Python Developer job openings in Springfield, MA as of June 2026, with employment types broken down into 100% Contract. Highlights an 100% In-person job distribution, with an average salary of $141,479 per year, or $68 per hour.

Senior Software Engineer (Technical Lead) BSI - (Claude, GitHub, Python, NET/C#, Angular, AWS)

The Whiteside Agency

Hartford, CT • On-site

$139K - $230K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 13 hours ago

Job description

Who Are We?

Taking care of our customers, our communities and each other. That's the Travelers Promise. By honoring this commitment, we have maintained our reputation as one of the best property casualty insurers in the industry for over 170 years. Join us to discover a culture that is rooted in innovation and thrives on collaboration. Imagine loving what you do and where you do it.

Job Category
TechnologyCompensation Overview

The annual base salary range provided for this position is a nationwide market range and represents a broad range of salaries for this role across the country. The actual salary for this position will be determined by a number of factors, including the scope, complexity and location of the role; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. As part of our comprehensive compensation and benefits program, employees are also eligible for performance-based cash incentive awards.

Salary Range$139,400.00 - $230,000.00
Target Openings
1
What Is the Opportunity?
The Senior Software Engineer (Technical Lead) for Bond & Specialty Insurance (BSI) will help embed GenAI technologies and practices into our engineering ecosystem-enhancing productivity, accelerating innovation, and empowering engineers to leverage AI responsibly and effectively in daily workflows.
This technical leader will:
Elevate engineering maturity by championing modern software delivery patterns, automation, and best-in-class resiliency practices.
Enable domain-aligned teams to operate with greater autonomy and velocity through modular, API-driven, and decoupled solutions.
Drive GenAI adoption and skill-building across our engineering community, equipping teams to innovate faster and make data-driven decisions.
Ultimately, this investment helps to ensure our teams can deliver adaptable, intelligent, and efficient technology capabilities that directly support business growth, speed to market, and long-term operational resilience.What Will You Do?
  • Perform complex analysis, advanced level design, configuration and develop functions for impactful and high-visibility tasks.
  • Take the lead on directing and implementing solutions to moderately complex, loosely scoped problems that are aligned with team goals.
  • Deliver efforts both independently and by leading other team members.
  • Lead investigation and resolution efforts for critical, high impact problems, defects, and incidents.
  • Act as a technology advocate, independently seeking opportunities where technology can be utilized to improve the business.
  • Provide technical guidance and mentorship while fostering a team environment.
  • Apply knowledge of current industry trends and techniques to formulate solutions within the context of assigned efforts.
  • Seek opportunities to expand technical knowledge and capabilities.
  • Perform other responsibilities as assigned.
What Will Our Ideal Candidate Have?
  • 5+ years of professional software engineering experience, with at least 1 year shipping production systems built on LLMs or AI agents (not prototypes or demos).
  • Technical Stack: GitHub, Python, NET/C#, Angular, AWS, OCF, Mongo, DocumentDB, SQL Server
  • Demonstrated experience with modern agent frameworks (e.g., Claude Agent SDK, LangGraph, AgentCore or similar) and LLM APIs (Anthropic, OpenAI, etc.).
  • Proficiency with core agent engineering concepts: tool use, retrieval, multi-step workflows, evaluation, and observability.
  • Strong software fundamentals - distributed systems, API design, testing, CI/CD - applied to AI-augmented systems.
  • Experience defining and driving the technical direction of a workstream or product area, not just executing assigned tasks.
  • Track record of identifying opportunities and influencing engineering or product strategy through technical insight.
  • Adept at making decisions that involve a significant number of factors with broad implications.
  • Communication - Strong communicator who possesses the ability to describe technology concepts in ways the business can understand, document initiatives in a concise and clear manner, collaborate effectively with teammates and others regardless of role, quickly extract core issues from discussions and meetings, give and receive constructive feedback, offer help when asked, and ensure everyone has a chance to share their thoughts and are heard; an attentive and empathetic listener.
  • Leadership - Advanced leadership skills with the ability to take action even when there is no clear owner, inspire and motivate others, and be effective at influencing team members
What is a Must Have?
  • Bachelor's degree in computer science, related STEM field, or its equivalent in education and/or work experience.
  • 6 additional years of software engineering experience.
What Is in It for You?
  • Health Insurance:Employees and their eligible family members - including spouses, domestic partners, and children - are eligible for coverage from the first day of employment.
  • Retirement:Travelers matches your 401(k) contributions dollar-for-dollar up to your first 5% of eligible pay, subject to an annual maximum. If you have student loan debt, you can enroll in the Paying it Forward Savings Program. When you make a payment toward your student loan, Travelers will make an annual contribution into your 401(k) account. You are also eligible for a Pension Plan that is 100% funded by Travelers.
  • Paid Time Off:Start your career at Travelers with a minimum of 20 days Paid Time Off annually, plus nine paid company Holidays.
  • Wellness Program:The Travelers wellness program is comprised of tools, discounts and resources that empower you to achieve your wellness goals and caregiving needs. In addition, our mental health program provides access to free professional counseling services, health coaching and other resources to support your daily life needs.
  • Volunteer Encouragement:We have a deep commitment to the communities we serve and encourage our employees to get involved. Travelers has a Matching Gift and Volunteer Rewards program that enables you to give back to the charity of your choice.
Employment Practices

Travelers is an equal opportunity employer. We value the unique abilities and talents each individual brings to our organization and recognize that we benefit in numerous ways from our differences.

In accordance with local law, candidates seeking employment in Colorado are not required to disclose dates of attendance at or graduation from educational institutions.

If you are a candidate and have specific questions regarding the physical requirements of this role, please send us an email so we may assist you.

Travelers reserves the right to fill this position at a level above or below the level included in this posting.

To learn more about our comprehensive benefit programs please visit http://careers.travelers.com/life-at-travelers/benefits/.

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