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Senior Python Developer Jobs in Fairfield, NJ (NOW HIRING)

4 Staffing Corp

Senior Python Engineer

Newark, NJ · Hybrid

$126K - $170K/yr

Senior Python Engineer Newark, New Jersey, United States About the Job Senior Python Engineer Senior Python Engineer Location: Newark, NJ (Hybrid 2 days per week onsite) Full-time / Regular W2 role ...

ACI Infotech

Python Developer

Jersey City, NJ · On-site

$55 - $75.75/hr

Role: Sr Python Developer Position : Contract / Full Time Accepts H1B transfers Location: Jersey City, NJ ( Remote for now) Responsibilities * Write clean and scalable code in Python * Backend ...

ACI Infotech

Sr Python Developer

Jersey City, NJ · On-site

$126K - $170K/yr

Python Developer 10+ Years exp with Very Strong Python Coding is needed Responsibilities * Write clean and scalable code in Python (back end API for front end) and JavaScript (for front end UI ...

Smart Bot Systems

Senior Python Developer

Jersey City, NJ · On-site

$125K - $130K/yr

... other developers, to deliver solutions. * System enhancement: Contribute to system enhancements, and support the deployment of data-driven solutions. * Automation: Use Python scripts to automate ...

Citigroup Inc.

Senior Python Developer

Jersey City, NJ · On-site

$121 - $182/hr

Robust design to implement Python solutions with hands-on coding skills in Python * Research ... Ensures proper analysis of problems and programming approaches to prevent rework and schedule ...

Citi

Senior Python Developer

Jersey City, NJ · On-site

$121K - $181K/yr

... Python Research, design and develop a self-service reporting tool Experience in deployments to the higher environment by using CI/CD pipelines. Ensures proper analysis of problems and programming ...

Citigroup, Inc.

Senior Python Developer

Jersey City, NJ · On-site

$121K - $181K/yr

Robust design to implement Python solutions with hands-on coding skills in Python * Research ... Ensures proper analysis of problems and programming approaches to prevent rework and schedule ...

1 point system

Sr Python Developer

New York, NY · Remote

$124K - $167K/yr

MUST HAVE: * 7+ years of experience, senior level * Experience in Design and Development * Full Stack with Python, Django, and Typescript * Typescript * Heavy APIs on backend * MySQL

Citi

Senior Python Developer

New York, NY · On-site

$121K - $181K/yr

... Python Research, design and develop a self-service reporting tool Experience in deployments to the higher environment by using CI/CD pipelines. Ensures proper analysis of problems and programming ...

4 Staffing Corp

Senior Python Engineer II

Newark, NJ · Hybrid

$126K - $170K/yr

Senior Python Engineer II Newark, New Jersey, United States About the Job Senior Python Engineer II Location: Newark, NJ (Hybrid 2 days per week onsite) * Full-time / Regular W2 role - No C2C * No ...

4 Staffing Corp

Senior Python Engineer II

Newark, NJ · Hybrid

$126K - $170K/yr

Senior Python Engineer II Newark, New Jersey, United States About the Job Senior Python Engineer II Location: Newark, NJ (Hybrid 2 days per week onsite) * Full-time / Regular W2 role - No C2C * No ...

Apex Informatics

Python Developer

Jersey City, NJ · On-site

$55 - $75.75/hr

Senior Python Developer Location: Jersey City New Jersey ( 3 days onsite 2 days remote) Experience: 5 + years required Must Have Skills: : Design, development and support of Equity Derivative ...

Virtusa

Senior Python AI/ML Developer

Jersey City, NJ · On-site

$126K - $170K/yr

We are seeking an experienced Senior Python Engineer to design, build, and maintain scalable, high-quality software systems. This role requires strong expertise in Python, system design, and modern ...

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All JobsPython Developer JobsSenior Python Developer JobsSenior Python Developer Jobs in Fairfield, NJ

Senior Python Developer information

See Fairfield, NJ salary details

$56.1K

$144.8K

$198.8K

How much do senior python developer jobs pay per year?

As of Sep 7, 2026, the average yearly pay for senior python developer in Fairfield, NJ is $144,751.00, according to ZipRecruiter salary data. Most workers in this role earn between $123,900.00 and $166,700.00 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 Fairfield, NJ?

The most popular types of Python Developer jobs in Fairfield, NJ are:

What are popular job titles related to Senior Python Developer jobs in Fairfield, NJ?

For Senior Python Developer jobs in Fairfield, NJ, the most frequently searched job titles are:

What cities near Fairfield, NJ are hiring for Senior Python Developer jobs?

Cities near Fairfield, NJ with the most Senior Python Developer job openings:

Senior Python Developer jobs near you

Senior Python Engineer

4 Staffing Corp

Newark, NJ • Hybrid

$126K - $170K/yr

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Senior Python Engineer

Newark, New Jersey, United States

About the Job Senior Python Engineer

Senior Python Engineer Location: Newark, NJ (Hybrid 2 days per week onsite)

Full-time / Regular W2 role - No C2C

No Visa transfers at this time

Our client is looking for a talented and driven Senior Software Engineer to join our team. The ideal candidate will have a strong background in developing applications for financial systems, particularly in front-office environments, along with expertise in Python and SQL. This is a hybrid role based in Newark, NJ.

Key Responsibilities

  • Develop, maintain, and optimize software applications supporting front-office operations and related financial processes.
  • Utilize Python and SQL to create scalable, efficient solutions tailored to the needs of financial markets.
  • Apply knowledge of fixed income to enhance investment and trading platforms.
  • Collaborate with stakeholders to analyze requirements, address challenges, and deliver impactful solutions.
  • Leverage development tools such as Git, Jira, Docker, and Jenkins to streamline the software development lifecycle.
  • Provide technical expertise and proactive support to front-office users, including portfolio managers and quantitative analysts.
  • Adapt to a fast-paced, evolving environment and take ownership of complex technical challenges.

Qualifications

  • Minimum of 6 years of experience developing applications, particularly for front-office operations.
  • Advanced proficiency in Python programming and SQL database management.
  • Strong understanding of fixed income markets and related financial instruments.
  • Proven ability to thrive in dynamic environments with a proactive and results-driven mindset.
  • Experience with software development tools like Git, Jira, Docker, and Jenkins.
  • Strong analytical and problem-solving skills with a focus on delivering innovative solutions.

Preferred Skills

  • Hands-on experience with cloud platforms, such as Azure or AWS.
  • Proficiency in additional programming languages such as Java or C++.
  • Familiarity with financial datasets from sources like Bloomberg, S&P, Moodys, or ICE.
  • Knowledge of investment modeling, customization, and back-testing strategies.
  • Experience providing direct support to front-office professionals.

This position offers an exciting opportunity to work at the intersection of technology and finance, contributing to the development of innovative solutions in a dynamic industry. If you are passionate about building robust systems and thrive in a collaborative environment, we encourage you to apply.

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