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Senior Backend Python Jobs in Illinois (NOW HIRING)

MBR Partners

Senior Software Engineer

Chicago, IL · Remote

$150K/yr

With a back-end team in the Philippines, I'm currently hiring for a Senior Software Engineer ... Their backend is developed in Python running in the cloud over k8s. It's not a typical backend ...

Keylent Inc

Sr. Software Engineer

Chicago, IL

$126K - $166K/yr

Sr. Software Engineer Location is Chicago IL, try to find local if not please get remote ... Python f/w for Backend - preferably FAST API Kubernetes/Docker (preferably AKS) Strong hands-on ...

Harnham

Senior Software Engineer

Chicago, IL · Hybrid

$180K - $200K/yr

Senior Software Engineer Location: Chicago, IL (Hybrid - 3 days onsite) Compensation: $200K base ... Proficiency in backend development (Java, Python, or similar) * Exposure to frontend frameworks is ...

Plenful

Senior Software Engineer, ML Ops

Chicago, IL · Remote

$126K - $166K/yr

As a Senior ML Backend Engineer, you will own the end-to-end development of ML-driven features ... Design, build, and maintain backend services and APIs in Python, with a focus on integrating and ...

Arctiq, Inc.

Senior API Developer - Contract

Chicago, IL · Remote

$56.25 - $74.25/hr

We are seeking an experienced Senior API Developer with strong expertise in PHP, Python, and Oracle ... Design, develop, test, and maintain RESTful APIs and backend services using PHP and Python. * Build ...

Arctiq, Inc.

Senior API Developer - Contract

Chicago, IL · On-site

$56.25 - $74.25/hr

We are seeking an experienced Senior API Developer with strong expertise in PHP, Python, and Oracle ... Design, develop, test, and maintain RESTful APIs and backend services using PHP and Python. * Build ...

Agile Defense

IL · On-site

$110K - $150K/yr

Ability to obtain Security+ We are seeking a Senior Full Stack Developer (Backend Emphasis) to ... Use scripting languages, including Python and Bash, to automate operational and deployment tasks.

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Senior Backend Python information

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

To thrive as a Senior Backend Python Developer, you need expertise in Python programming, strong knowledge of backend frameworks (such as Django or Flask), and experience with database management, often backed by a degree in computer science or equivalent experience. Familiarity with version control systems like Git, containerization tools like Docker, cloud platforms (e.g., AWS), and possibly certifications in cloud or Python technologies are common requirements. Outstanding problem-solving skills, effective communication, and the ability to mentor junior developers help set top performers apart. These competencies ensure the development of robust, scalable, and maintainable backend systems that support business objectives.

Which pays more, C++ or Python?

For a Senior Backend Python developer, C++ developers often earn higher salaries due to the complexity and performance demands of C++ in systems programming and high-performance applications. However, Python skills are highly in demand for backend development, data science, and automation, which can also lead to competitive compensation. Salary differences depend on industry, experience, and location, but both languages offer strong earning potential in tech roles.

What is the difference between Senior Backend Python vs Backend Developer?

AspectSenior Backend PythonBackend Developer
Required CredentialsBachelor's in CS or related, 5+ years experience, Python expertiseBachelor's in CS or related, 2-4 years experience, Python knowledge
Work EnvironmentTech companies, startups, enterprise systemsTech firms, startups, software agencies
Employer & Industry UsageUsed across industries requiring scalable backend solutionsCommon in web development and software services
Search & Comparison IntentUnderstanding senior roles, responsibilities, salaryEntry to mid-level backend roles, skill requirements

Senior Backend Python professionals typically have more experience, advanced skills, and leadership responsibilities compared to Backend Developers. They often work on complex systems, mentor junior staff, and have a broader understanding of architecture. Backend Developers focus on building and maintaining backend services with less emphasis on leadership or strategic planning.

What are some common challenges Senior Backend Python developers face when working on large-scale systems?

Senior Backend Python developers working on large-scale systems often encounter challenges such as ensuring application scalability, maintaining code quality across distributed teams, and optimizing performance for high traffic. Balancing the integration of new features with legacy system constraints can also be demanding. Effective communication and collaboration with frontend teams, DevOps, and product managers are crucial for delivering reliable and maintainable backend solutions.

What does a Senior Backend Python Developer do?

A Senior Backend Python Developer designs, builds, and maintains the server-side logic of web applications using Python. They are responsible for creating robust APIs, optimizing databases, ensuring application security, and integrating third-party services. In addition, they often mentor junior developers, contribute to architectural decisions, and collaborate closely with frontend and DevOps teams. Their work ensures that applications are scalable, reliable, and efficient. Senior developers typically have several years of experience and deep knowledge of Python frameworks like Django or Flask.

What is the highest paying job in Python?

The highest paying Python-related roles are typically senior positions such as Lead Developer, Solutions Architect, or Machine Learning Engineer, especially in industries like finance, tech, and data science. These roles often require advanced skills, experience, and knowledge of frameworks, cloud platforms, and data management, with salaries exceeding $150,000 annually in many regions.

Is Python in demand for backend?

Python is highly in demand for backend development due to its simplicity, versatility, and extensive libraries like Django and Flask. Many companies seek backend developers skilled in Python to build scalable and efficient web applications, making it a valuable skill for backend roles.

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 have expertise in frameworks like Django or Flask and may hold certifications or advanced degrees that influence salary levels.
What are the most commonly searched types of Backend Python jobs in Illinois? The most popular types of Backend Python jobs in Illinois are:
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What job categories do people searching Senior Backend Python jobs in Illinois look for? The top searched job categories for Senior Backend Python jobs in Illinois are:
What cities in Illinois are hiring for Senior Backend Python jobs? Cities in Illinois with the most Senior Backend Python job openings:
Senior Backend Python jobs near you

Senior Software Development Engineer in Test (SDET) - Backend Focus

ITRS

Chicago, IL • Hybrid

$100K - $140K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

This job post has expired today. Applications are no longer accepted.

Job description

Senior Software Development Engineer in Test (SDET) - Backend Focus

Join us at ITRS, a leader in IT observability solutions for regulated industries, to build robust, scalable backend testing solutions. This role focuses on platform‑level testing for our backend software, ensuring reliability, performance, and scalability in distributed systems.

Scope of Role

Senior SDET based in Chicago, with hybrid work (1-2 days in the office). Salary $100,000 - $140,000.

Responsibilities
  • Design, develop, and execute comprehensive backend platform‑level testing, including functional, performance, load, stress, and integration testing for distributed services.
  • Build, maintain, and enhance our performance testing infrastructure, including custom labs and automation frameworks.
  • Develop automated tools and scripts for sizing measurements, resource assessments (CPU, memory, storage), and deployment simulations.
  • Collaborate with backend engineers to define test strategies, review requirements, and integrate QA throughout the product lifecycle.
  • Drive adoption of best practices in QA automation and performance engineering, focusing on continuous improvement.
  • Mentor team members on advanced testing practices and automation development.
Requirements
  • 5+ years as an SDET or QA engineer, focusing on backend/platform testing (distributed systems, APIs, services).
  • Strong programming skills in Java, Go, Python, or Bash, with experience building custom automation frameworks.
  • Hands‑on experience with cloud deployments, containerization, and orchestration – Docker, Kubernetes.
  • Deep knowledge of backend technologies, Kafka, PostgreSQL, ClickHouse, Keycloak.
  • Proficiency in performance testing tools (JMeter, Locust, k6, Gatling) and automation pipelines.
  • Solid understanding of networking, CI/CD, DevOps, and test integration.
  • Excellent problem‑solving, debugging, and analytical skills.
  • Strong attention to detail and a collaborative mindset for a globally distributed team.
  • Passion for backend platforms, performance engineering, and automation.
  • Based in Chicago, available for hybrid work.
  • Bachelor’s degree in CS, Engineering, or related field (or equivalent experience).
Benefits
  • Health, Vision, Dental coverage
  • HSA & FSA
  • Employee Assistance Programme
  • Health Advocate, Talk Space, One Medical, Teladoc
  • 401(k)
  • Commuter benefits
  • Remote Hybrid Working
  • Enhanced Parental Leave
  • Life & AD&D Insurance
  • 20 days holiday + public holidays + 3 days paid volunteering leave
  • Referral Bonus
  • Buy and Sell Holiday
  • Training Reimbursement
Equal Opportunity Statement

ITRS is an Equal Opportunity employer. We celebrate diversity and foster an inclusive environment where all employees can be authentic selves.

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