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Senior Python Software Engineer Jobs in Princeton, NJ

Old Mission

Python Software Engineer

New York, NY · On-site +1

$150K - $225K/yr

About the Position We are on the lookout for Software Engineers who excel in Python. As a Software Engineer, you'll play a pivotal role on your team, taking ownership of cutting-edge projects. Your ...

Old Mission

Python Software Engineer

New York, NY · On-site

$150K - $225K/yr

About the Position We are on the lookout for Software Engineers who excel in Python. As a Software Engineer, you'll play a pivotal role on your team, taking ownership of cutting-edge projects. Your ...

Deloitte

Senior Python Developer

Princeton, NJ · Hybrid

$127K - $171K/yr

... software stack. * Collaborate with cross-functional teams to design scalable solutions ... As an experienced Sr . Python Developer you will have the ability to share new ideas and ...

Deloitte

Senior Python Developer

New York, NY · Hybrid

$132K - $178K/yr

... software stack. * Collaborate with cross-functional teams to design scalable solutions ... As an experienced Sr . Python Developer you will have the ability to share new ideas and ...

SRP Systems Inc

Senior Python Developer

Princeton, NJ · On-site

$127K - $171K/yr

Senior Python & SQL Developer: We need someone that carries strong experience in writing Python ... of experience in software development and IT SQL and database design experience Additional ...

SRP Systems Inc

Senior Python Developer

Princeton, NJ · On-site

$127K - $171K/yr

Senior Python & SQL Developer: We need someone that carries strong experience in writing Python ... of experience in software development and IT SQL and database design experience Additional ...

SRP Systems Inc

Senior Python/Spark developer

Princeton, NJ · On-site

$127K - $171K/yr

Senior Python developer Location: Princeton, NJ Full Time/Contract We are looking for a Senior Python/Spark developer that carries extremely strong SQL and data analysis skills. Requirement: * 5+ ...

SRP Systems Inc

Senior Python/Spark developer

Princeton, NJ · On-site

$127K - $171K/yr

Senior Python developer Location: Princeton, NJ Full Time/Contract We are looking for a Senior Python/Spark developer that carries extremely strong SQL and data analysis skills. Requirement: * 5+ ...

Laboro

Python Developer

New York, NY

$55 - $75.75/hr

... MID_SENIOR Python Developer to join our dynamic Information Technology/IT team in New York. As a Python Developer, you will be responsible for developing high-quality software solutions ...

Citigroup, Inc.

Senior Python Developer

New York, NY · On-site

$121K - $181K/yr

The Senior Python Developer is an intermediate level position responsible for participation in the ... Experience in systems analysis and programming of software applications * Experience in managing ...

The Cypress Group

Senior Python Engineer

New York, NY

$170K - $210K/yr

We're looking for a Senior Backend Engineer who thrives in fast moving environments, enjoys solving ... Strong backend engineering experience building scalable production systems Proficiency with Python ...

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All JobsPython Software Engineer JobsSenior Python Software Engineer JobsSenior Python Software Engineer Jobs in Princeton, NJ

Senior Python Software Engineer information

See Princeton, NJ salary details

$57.7K

$148.8K

$204.4K

How much do senior python software engineer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for senior python software engineer in Princeton, NJ is $148,828.00, according to ZipRecruiter salary data. Most workers in this role earn between $127,400.00 and $171,400.00 per year, depending on experience, location, and employer.

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

AspectSenior Python Software EngineerPython Developer
Required CredentialsBachelor's degree in CS or related field, experience in software engineeringBachelor's degree in CS or related field, coding proficiency
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing applications, debugging
Employer & Industry UsageTech companies, startups, enterprise softwareWeb development, data analysis, automation projects
Common Search & Comparison IntentUnderstanding senior-level roles, responsibilities, and skillsEntry to mid-level coding roles, project involvement

The main difference between a Senior Python Software Engineer and a Python Developer lies in experience, responsibilities, and scope. Senior engineers typically lead projects, design system architecture, and mentor junior staff, while Python Developers focus on coding, application development, and implementation. Both roles require strong Python skills and relevant credentials, but senior roles demand more experience and leadership capabilities.

What are some common challenges faced by senior Python software engineers when leading complex projects, and how can they be addressed?

Senior Python Software Engineers often face challenges such as balancing hands-on coding with mentoring junior team members, managing technical debt, and designing scalable solutions. Successfully addressing these challenges involves clear communication, proactive code reviews, and effective prioritization of tasks. Collaborating closely with cross-functional teams and fostering a culture of knowledge sharing can also help ensure project success and team growth.

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

To thrive as a Senior Python Software Engineer, you need advanced proficiency in Python programming, strong problem-solving abilities, and a solid background in computer science or a related field. Familiarity with frameworks like Django or Flask, experience with version control systems such as Git, and knowledge of cloud platforms and CI/CD tools are typically required. Leadership, effective communication, and mentorship skills help you collaborate with teams and guide junior developers. These skills ensure the delivery of robust, scalable software solutions and foster a productive, innovative development environment.

What does a senior Python software engineer do?

A Senior Python Software Engineer designs, develops, tests, and maintains complex software applications using the Python programming language. They often lead or mentor junior developers, architect software solutions, and ensure best coding practices are followed. These professionals collaborate with cross-functional teams to deliver scalable and efficient systems, troubleshoot issues, and optimize application performance. Their expertise includes advanced knowledge of Python frameworks, libraries, and development tools, as well as experience with databases, APIs, and cloud services.
What are popular job titles related to Senior Python Software Engineer jobs in Princeton, NJ? For Senior Python Software Engineer jobs in Princeton, NJ, the most frequently searched job titles are:
What job categories do people searching Senior Python Software Engineer jobs in Princeton, NJ look for? The top searched job categories for Senior Python Software Engineer jobs in Princeton, NJ are:
What cities near Princeton, NJ are hiring for Senior Python Software Engineer jobs? Cities near Princeton, NJ with the most Senior Python Software Engineer job openings:
Senior Python Software Engineer jobs near you
Infographic showing various Senior Python Software Engineer job openings in Princeton, NJ as of August 2026, with employment types broken down into 1% Internship, 82% Full Time, 14% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $148,828 per year, or $71.6 per hour.

Python Software Engineer

Old Mission

New York, NY • On-site, Remote

$150K - $225K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 7 days ago

Job description

About the Position

We are on the lookout for Software Engineers who excel in Python. As a Software Engineer, you'll play a pivotal role on your team, taking ownership of cutting-edge projects. Your primary responsibilities will encompass the refinement and advancement of our trading systems and mission-critical applications. Additionally, you'll collaborate closely with quants, traders, and research teams to bolster our systems' adaptability and scalability, all while contributing to the development of innovative trading applications.

Required Skills

  • Bachelor's degree in Computer Science, Mathematics, or a related Engineering/Science discipline
  • A minimum of 2 years of professional Python experience in a production environment
  • High proficiency in Python on Linux Platforms
  • Familiarity with relational databases (e.g. PostgreSQL, MySQL, etc.)
  • Exceptional written and verbal communication skills
  • A collaborative team player with a knack for owning and driving exciting projects
  • Thrives in a fast-paced work environment, showcasing effective problem-solving abilities

Benefits and Perks 

  • Fully paid Medical, Dental, Vision, Disability, and Life Insurance
  • Fully stocked kitchen; free breakfast and lunch every day on-site
  • Tuition Reimbursement Program
  • 401(k) with employer match
  • Paid Vacation, Sick, and Parental leaves
  • Commuter and Flexible Spending Programs
  • In office M-F with 10 remote days per year

Base Salary Range 

$150,000 - $225,000 - Salaries are based on numerous factors such as skills, experience, and education. Our compensation package also includes a discretionary bonus and a comprehensive benefits program for full-time employees. For more information, reach out to your recruiter. 

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