Senior Python Developer

Cognizant; New York (NY); Hybrid; USD 65,000 - 117,000; Full time

Benefits offered by this job

Medical/Dental/Vision/Life Insurance

Paid holidays plus PTO

401(k) plan

Disability insurance

Paid parental leave

Employee Stock Purchase Plan

Job summary

Cognizant is seeking a Senior Python Developer in New York, NY to design and build scalable Python applications, REST APIs, and data-driven solutions. You will collaborate with engineers, architects, product partners, and client stakeholders to deliver secure, reliable software.

Hybrid role requiring three days per week in a Cognizant office in New York, with a strong emphasis on code quality, API design, and scalable data processing.

Qualifications

• 6 to 8 years of software development experience with strong Python proficiency.
• Experience designing, developing, and consuming REST APIs for production applications.
• Hands-on with Flask, FastAPI, Django or comparable Python web frameworks.
• Strong knowledge of API design principles, including OAuth, JWTs, authorization, authentication, and versioning.
• Experience with SQL databases and writing efficient queries.
• Proficiency with Git or other distributed version control systems.
• Excellent problem-solving, communication, collaboration, and attention to detail.

Responsibilities

• Design, develop, test, and maintain scalable Python applications and REST APIs.
• Build and consume REST APIs using 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 equivalent systems.
• Work with relational and NoSQL databases to optimize queries for performance.
• Participate in code reviews and troubleshoot issues; use Git for version control.
• Collaborate with cross-functional teams to translate requirements into solutions.

Skills

Python

OO/FP programming

REST APIs

Flask/FastAPI/Django

API design (OAuth/JWT)

SQL databases

Git

problem-solving

communication

collaboration

Education

Bachelor’s degree in CS/IT/Engineering

Tools

Flask

FastAPI

Django

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.