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Senior Python Software Engineer Jobs in Naperville, IL

TransMarket Group

Senior Software Engineer

Chicago, IL

$126.20K - $166.40K/yr

Tools: C++, Python, Bash, Linux, SQL Requirements * Bachelor's degree in a quantitative or technical field, plus five years of experience in software engineering, or a Master's degree in a ...

Infleqtion

Sr Software Engineer

Chicago, IL · On-site

$106K - $145K/yr

We are seeking a Senior Software Engineer to join the team building the control system software for ... Experience with Python and at least one compiled language, with a desire to learn and work in Rust

Infleqtion

Sr Software Engineer

Chicago, IL · On-site

$106K - $145K/yr

We are seeking a Senior Software Engineer to join the team building the control system software for ... Experience with Python and at least one compiled language, with a desire to learn and work in Rust

Jorie AI

Software Engineer

Oak Brook, IL · On-site

$90K - $120K/yr

We are seeking a Python Senior Software Engineers to build and maintain intelligent automation solutions focused on Revenue Cycle Management (RCM) in the healthcare industry. We are seeking eight ...

Capital One

Senior Lead Software Engineer

Chicago, IL · On-site

JavaScript, Java, TypeScript, SQL, Python, or Go * 4+ years of experience with AWS, GCP, Microsoft Azure, or another cloud service * 4+ years of experience in open source frameworks * 1+ years of ...

Jorie AI

Software Engineer

Oak Brook, IL · Remote

We are seeking a Python Senior Software Engineers to build and maintain intelligent automation solutions focused on Revenue Cycle Management (RCM) in the healthcare industry. We are seeking eight ...

Capital One

Sr Lead Software Engineer

Chicago, IL · On-site

JavaScript, Java, TypeScript, SQL, Python, or Go * 4+ years of experience with AWS, GCP, Microsoft Azure, or another cloud service * 4+ years of experience in open source frameworks * 1+ years of ...

Meds

Senior Software Engineer

Chicago, IL

$126.20K - $166.40K/yr

TypeScript, Python, Ruby * Databases: SQL and no-SQL, BigQuery, MongoDB * Frameworks, key libraries ... Be on the cutting edge of both telemedicine and software engineering * Contribute as a core team ...

Capital One

Sr Lead Software Engineer

Chicago, IL

JavaScript, Java, TypeScript, SQL, Python, or Go * 4+ years of experience with AWS, GCP, Microsoft Azure, or another cloud service * 4+ years of experience in open source frameworks * 1+ years of ...

Capital One

Senior Lead Software Engineer

Chicago, IL · On-site

JavaScript, Java, TypeScript, SQL, Python, or Go * 4+ years of experience with AWS, GCP, Microsoft Azure, or another cloud service * 4+ years of experience in open source frameworks * 1+ years of ...

Jorie AI

Software Engineer

Oak Brook, IL · Remote

We are seeking a Python Senior Software Engineers to build and maintain intelligent automation solutions focused on Revenue Cycle Management (RCM) in the healthcare industry. We are seeking eight ...

Capital One

Sr. Lead Software Engineer

Chicago, IL · On-site

JavaScript, Java, TypeScript, SQL, Python, or Go * 4+ years of experience with AWS, GCP, Microsoft Azure, or another cloud service * 4+ years of experience in open source frameworks * 1+ years of ...

Meds

Senior Software Engineer

Chicago, IL · On-site

$126.20K - $166.40K/yr

TypeScript, Python, Ruby * Databases: SQL and no-SQL, BigQuery, MongoDB * Frameworks, key libraries ... Be on the cutting edge of both telemedicine and software engineering * Contribute as a core team ...

Seven Seven Software

Software Engineer

Chicago, IL · On-site

As a Software Engineer, you'll work on everything from customer-facing web and mobile applications ... Our programming languages has been Java, Python, and C#. We are big fans on building products using ...

Meds

Senior Software Engineer

Chicago, IL · On-site

$126.20K - $166.40K/yr

TypeScript, Python, Ruby * Databases: SQL and no-SQL, BigQuery, MongoDB * Frameworks, key libraries ... Be on the cutting edge of both telemedicine and software engineering * Contribute as a core team ...

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Senior Python Software Engineer information

See Naperville, IL salary details

$54.9K

$141.8K

$194.7K

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

As of May 29, 2026, the average yearly pay for senior python software engineer in Naperville, IL is $141,764.00, according to ZipRecruiter salary data. Most workers in this role earn between $121,300.00 and $163,300.00 per year, depending on experience, location, and employer.

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

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 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 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 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 popular job titles related to Senior Python Software Engineer jobs in Naperville, IL? For Senior Python Software Engineer jobs in Naperville, IL, the most frequently searched job titles are:
What job categories do people searching Senior Python Software Engineer jobs in Naperville, IL look for? The top searched job categories for Senior Python Software Engineer jobs in Naperville, IL are:
What cities near Naperville, IL are hiring for Senior Python Software Engineer jobs? Cities near Naperville, IL with the most Senior Python Software Engineer job openings:
Senior Python Software Engineer jobs near you
Senior Software Engineer

Senior Software Engineer

TransMarket Group

Chicago, IL

$126.20K - $166.40K/yr

Other

Posted 19 days ago

Job description

Description

Our Software development team designs and builds low-latency systems that allow us to trade a diverse set of instruments across a wide range of financial marketplaces. This smaller, focused team comes with a high degree of responsibility and ownership. Our systems aim to be clean and understandable while achieving low latency and robust error tolerance. The libraries you work on will become the engine of our firm's strategies.

Responsibilities

  • Design and implement network connectivity, market data, and execution libraries for our automated trading software platform
  • Work closely with our strategy teams to understand how they consume the software you write, so that you can anticipate and deliver future improvements
  • Leverage libraries you've worked on to facilitate backtesting and post-trade analysis of our trading strategies
  • Tune and refine existing components to improve performance, flexibility, and stability 
  • Tools: C++, Python, Bash, Linux, SQL

Requirements

  • Bachelor's degree in a quantitative or technical field, plus five years of experience in software engineering, or a Master's degree in a quantitative or technical field, plus three years of experience in software engineering 
  • 2-3 years of previous experience with implementing low-latency connectivity at any major exchange in C++
  • Strong knowledge of engineering software systems for low latency
  • Excellent technical and non-technical communication skills
  • Passion for the trading industry and interest in interfacing with multi-disciplinary trading teams
  • Proficiency in C++, multithreading, IPC, automated testing and benchmarking, lock-free data structures, Linux, Solarflare network stack
  • Experience with Python and/or Bash scripting, SQL, Gitlab CI/CD preferred
  • This position requires physical presence and is on-site (no remote work)

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