Cognizant

Senior Python Developer

Cognizant$65K — $117K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 6 to 8 years of software development experience, with strong proficiency in Python.
  • Experience applying object-oriented and/or functional programming concepts to production applications.
  • Proven experience designing, developing, and consuming REST APIs.
  • Hands-on experience with Flask, FastAPI, Django, or a comparable Python web framework.
  • Strong knowledge of API design principles, including OAuth, JSON Web Tokens, authorization, authentication, and versioning.
  • Experience with SQL databases and writing efficient queries.
  • Proficiency with Git or another distributed version control system.

Responsibilities

  • Design, develop, test, and maintain scalable Python applications using object-oriented and/or functional programming practices.
  • Build and consume REST APIs using frameworks like Flask, FastAPI, or Django.
  • Apply API design principles, including authentication, authorization, versioning, error handling, and documentation.
  • Develop event-driven and asynchronous solutions using Google Cloud Pub/Sub.
  • Create efficient SQL queries and data solutions using BigQuery or similar SQL databases.
  • Optimize queries for performance and scalability in relational and/or NoSQL databases.
  • Collaborate with cross-functional teams to translate business and technical requirements into effective solutions.

Benefits

  • Medical/Dental/Vision/Life Insurance
  • Paid holidays plus Paid Time Off
  • 401(k) plan and contributions
  • Long-term/Short-term Disability
  • Paid Parental Leave
  • Employee Stock Purchase Plan
Full Job Description
About the role
As a Senior Python Developer, you will make an impact by designing and building scalable Python applications, REST APIs, and data-driven solutions. You will be a valued member of the technology delivery team and work collaboratively with engineers, architects, product partners, and client stakeholders to deliver reliable, secure, and maintainable solutions.

Cognizant will only consider applicants for this position who are legally authorized to work in the United States without requiring Visa transfer or sponsorship now or at any time in the future.

In this role, you will:
Design, develop, test, and maintain scalable Python applications using object-oriented and/or functional programming practices.
Build and consume REST APIs using frameworks such as Flask, FastAPI, or Django.
Apply API design principles, including authentication and authorization using OAuth or JSON Web Tokens, API versioning, error handling, and documentation.
Develop event-driven and asynchronous solutions using Google Cloud Pub/Sub.
Create efficient SQL queries and data solutions using BigQuery or comparable large-scale SQL databases.
Work with relational and/or NoSQL databases, optimizing queries for application performance and scalability.
Participate in code reviews, troubleshoot technical issues, and use Git-based version control to support high-quality software delivery.
Collaborate with cross-functional teams to translate business and technical requirements into effective solutions.

Work model
We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role's business requirements, this is a hybrid position requiring 3 days per week in a client or Cognizant office in New York, New York. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured, we will always be clear about role expectations.

What you need to have to be considered
6 to 8 years of software development experience, with strong proficiency in Python.
Experience applying object-oriented and/or functional programming concepts to production applications.
Proven experience designing, developing, and consuming REST APIs.
Hands-on experience with Flask, FastAPI, Django, or a comparable Python web framework.
Strong knowledge of API design principles, including OAuth, JSON Web Tokens, authorization, authentication, and versioning.
Experience with SQL databases and writing efficient queries.
Proficiency with Git or another distributed version control system.
Strong problem-solving, communication, collaboration, and attention-to-detail skills.

These will help you stand out
Experience developing event-driven or asynchronous solutions using Google Cloud Pub/Sub.
Experience using BigQuery or a comparable platform for large-scale data analytics and querying.
Familiarity with both relational and NoSQL databases.
Experience improving API reliability, scalability, security, or performance.
Ability to communicate technical decisions clearly to engineering and nontechnical stakeholders.

Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent professional experience.

Note: Certain roles may require candidates to attend in-person interviews at Cognizant offices or client locations, depending on project requirements.

Applications will be accepted until September 11th, 2026.

Salary and Other Compensation:
The annual salary for this position is between $65,447 to $117,000 depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant's discretionary annual incentive program, based on performance and subject to the terms of Cognizant's applicable plans.

Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
• Medical/Dental/Vision/Life Insurance
• Paid holidays plus Paid Time Off
• 401(k) plan and contributions
• Long-term/Short-term Disability
• Paid Parental Leave
• Employee Stock Purchase Plan
Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Note: Certain roles may require candidates to attend in-person interviews at Cognizant offices or client locations, depending on project requirements.

Applications will be accepted until September 11th, 2026.

Salary and Other Compensation:
The annual salary for this position is between $65,447 to $117,000 depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant's discretionary annual incentive program, based on performance and subject to the terms of Cognizant's applicable plans.

Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
• Medical/Dental/Vision/Life Insurance
• Paid holidays plus Paid Time Off
• 401(k) plan and contributions
• Long-term/Short-term Disability
• Paid Parental Leave
• Employee Stock Purchase Plan
Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

About Cognizant

TriZetto is Powering Integrated Healthcare Management. With technology solutions touching more than half the U.S. population today, TriZetto is uniquely positioned to drive the convergence of core benefit administration, care management and constituent engagement. TriZetto provides premier information technology solutions that enable payers and other constituents in the healthcare supply chain to improve the coordination of benefits and care for healthcare consumers.

Cognizant Careers

Join the vibrant team at Cognizant, a leading provider of information technology, consulting, and business process services. Cognizant is not just a company; it's a community where innovation, leadership, and diversity are valued and where every team member is encouraged to thrive.

Work You’ll Do

At Cognizant, we are dedicated to helping the world's leading companies build stronger businesses — not just for today but for the future. This commitment to growth and sustainability is what makes Cognizant a unique place to advance your career.

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Whether you're looking for an entry-level position or a more senior role, Cognizant offers a plethora of job opportunities that could be perfect for you. Our hiring process is designed to be transparent and engaging, ensuring that every candidate is able to showcase their skills and potential fully.

Innovative Work

Join a team where innovation is at the core of everything we do. Cognizant’s professionals are not just part of a company; they're part of a groundbreaking environment that combines technology, insights, and leadership to foster innovation across global industries.

Internship Programs

Kickstart your career with Cognizant’s internship programs. These opportunities allow you to gain hands-on experience, develop your professional skills, and network with experts in your field. An internship at Cognizant is a stepping stone to full-time employment and a chance to see how your studies apply in the real world.

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Cognizant is committed to the professional growth of its employees. With access to cutting-edge training, leadership programs, and diversity initiatives, you can build a career that’s equipped for the demands of tomorrow’s business landscape.

Benefits and Culture

Our employees enjoy a range of benefits designed to support their physical, financial, and emotional well-being. Cognizant’s culture is built on a foundation of respect and inclusivity, where everyone’s contribution is valued. Join us and be part of a team that celebrates diversity and is driven to make a positive impact on the world.

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Learn more about Cognizant
Size
340,400 employees
Market Cap
$28.7 billion
Industry
Net Income
$1.3 billion
Founded
1994
5 Year Trend
+6.5%
Revenue
$16.6 billion
NASDAQ

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