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Senior Python Developer Jobs in Crystal Lake, IL

HirexHire

Founding Sr. Software Engineer

Elk Grove Village, IL · Hybrid

$120K - $159K/yr

... role for a senior IC who wants to operate in a founding engineer capacity, owning product ... Full-stack experience with backend systems such as Python, Django, Go, or similar. * Proven ability ...

HirexHire

Founding Sr. Software Engineer

Elk Grove Village, IL · Hybrid

$120K - $159K/yr

... role for a senior IC who wants to operate in a founding engineer capacity, owning product ... Full-stack experience with backend systems such as Python, Django, Go, or similar. * Proven ability ...

PDF Solutions

Senior QA Automation Engineer

Deer Park, IL · On-site

$80K - $125K/yr

Cloud, Container & DevOps Testing * Test applications deployed as Docker containers across multiple ... Selenium, Python, Java * API & backend testing * Test design for distributed systems * Experience ...

Deloitte

Senior Data Engineer

Arlington Heights, IL · Hybrid

$106K - $144K/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 ...

CDW

Senior Data Engineer

Vernon Hills, IL

$103K - $140K/yr

The Senior Data Engineer designs, builds, and maintains scalable data pipelines and Lakehouse ... Proficiency in Python, including PySpark, and SQL. * Hands‑on experience with Spark, Delta Lake ...

Forhyre

Big Data Engineer

Rolling Meadows, IL · On-site

$56 - $74.25/hr

Looking for an experienced Senior Big Data Developer Experience: 8 - 10 years Job Location: Rolling Meadows, IL Requirements Primary / Essential Skills : SPARK with Scala or Python Secondary ...

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All JobsSenior Python Developer JobsSenior Python Developer Jobs in Crystal Lake, IL

Senior Python Developer information

See Crystal Lake, IL salary details

$53.3K

$137.7K

$189.1K

How much do senior python developer jobs pay per year?

As of Jun 22, 2026, the average yearly pay for senior python developer in Crystal Lake, IL is $137,685.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,800.00 and $158,600.00 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 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.

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

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 are the most commonly searched types of Python Developer jobs in Crystal Lake, IL? The most popular types of Python Developer jobs in Crystal Lake, IL are:
What are popular job titles related to Senior Python Developer jobs in Crystal Lake, IL? For Senior Python Developer jobs in Crystal Lake, IL, the most frequently searched job titles are:
What cities near Crystal Lake, IL are hiring for Senior Python Developer jobs? Cities near Crystal Lake, IL with the most Senior Python Developer job openings:
Senior Python Developer jobs near you
Infographic showing various Senior Python Developer job openings in Crystal Lake, IL as of June 2026, with employment types broken down into 71% Full Time, 23% Part Time, 3% Temporary, and 3% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $137,685 per year, or $66.2 per hour.
Critical Communications Networks Senior Software Engineer

Critical Communications Networks Senior Software Engineer

Motorola Solutions

Schaumburg, IL • On-site

$120K - $159K/yr

Full-time

Posted 3 days ago

Motorola Solutions rating

8.7

Company rating: 8.7 out of 10

Based on 39 frontline employees who took The Breakroom Quiz

10th of 139 rated electronics manufacturers

Job description

Job Summary:
Motorola Solutions is a global community focused on enhancing safety through technology. They are seeking a Senior Software Engineer to design, develop, and maintain software for data center and cloud infrastructures, collaborating with teams globally and mentoring junior engineers.
Responsibilities:
• Designing, developing, unit testing, and integrating software to support the development, enhancement, and maintenance of data center and cloud infrastructures.
• Collaborating with other teams across the global organization.
• Breaking down product or system level problems into sub-problems that are addressed with innovative designs.
• Coaching and mentoring junior engineers.
• Communicating ideas to engineers and direct managers clearly and concisely.
Qualifications:
Required:
• Bachelor's degree or Master's degree in Computer Science, Computer Engineering, or a related technical discipline is required.
• Any modern programming language (e.g. Python, Java, nodejs, Rust, etc.)
• Must be a US Citizen or permanent resident or have a Master's degree and work authorization (F1 Visa on CPT accepted only for masters-level students).
• Must have 5+ years experience in Software Engineering.
• Able to break-down product or system level problems into sub-problems that are addressed with innovative designs
• Able to coach and mentor junior engineers
• Able to communicate ideas to engineers and direct managers clearly and concisely
• Protocol Knowledge (e.g. https, ssh, REST, webhooks)
• Cybsersecurity minded (all a plus: mtls, oauth, kerberos, CVE remediation)
• Containerized applications and deployment (e.g. podman, docker)
• Experience with devops, continuous integration, and automation environments (eg. github actions, Azure Dev Ops, Terraform, Ansible)
• Software version control systems like git
Company:
Motorola Solutions creates mission-critical communication solutions and services for public safety and commercial customers. Founded in 1928, the company is headquartered in Chicago, USA, with a team of 10001+ employees. The company is currently Late Stage.

What Motorola Solutions employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

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About Motorola Solutions

Sourced by ZipRecruiter

At Motorola Solutions, we believe that everything starts with safety. It's the constant that empowers people to confidently move forward. It can fill a flight or sell out a stadium. It can care for a patient or graduate a class. As a global leader in public safety and enterprise security, we create and connect the technologies that help to keep people safe where they live, learn, work and play. Our integrated technology ecosystem unifies critical communications, video security and access control, and command center software, enabling collaboration in more powerful ways. At Motorola Solutions, we're ushering in a new era in public safety and security. Bring your passion, potential and talents to a career that matters.

Industry

Technology, communication and media

Company size

10,000+ Employees

Headquarters location

Chicago, IL, US

Year founded

1928

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