Python Flask Jobs in New Jersey (NOW HIRING)

About the role
As a Senior Python Developer, you will make an impact by designing, building and supporting scalable backend services, APIs and cloud-native applications for enterprise technology initiatives. You will be a valued member of the Digital Engineering team and work collaboratively with technical leaders, product teams and client stakeholders to deliver secure, high-quality software solutions.
In this role, you will:
• Design, develop and maintain robust backend applications using Python 3.x and modern frameworks such as FastAPI, Flask or Django.
• Build and integrate REST APIs, GraphQL services and gRPC-based solutions to support enterprise-scale distributed systems.
• Contribute to microservices architecture, containerized deployments and cloud-native development using Docker, Kubernetes and major cloud platforms such as AWS, Azure or Google Cloud Platform.
• Develop secure, reliable data access layers and integrations using relational and NoSQL databases such as PostgreSQL, MySQL and MongoDB.
• Support engineering excellence through Git-based version control, CI/CD pipelines, automated testing and Agile delivery practices.
Work model: Onsite
At Cognizant, we strive to provide flexibility wherever possible, and we are here to support a healthy work-life balance through our various wellbeing programs. Based on this role's business requirements, this is an onsite position requiring work from a client or Cognizant office in Jersey City, New Jersey.
Please note: A few of our roles may require in-person interviews at Cognizant offices or client locations, depending on project or client needs.
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:
• Bachelor's degree in computer science, Engineering, or a related field, or equivalent practical experience.
• 8 or more years of hands-on Python development experience, including strong knowledge of Python 3.x.
• 4 or more years of experience designing and implementing microservices and distributed systems.
• Experience developing backend services using frameworks such as FastAPI, Flask or Django.
• Experience building and consuming APIs, including REST APIs and related integration patterns.
• Hands-on experience with cloud-native application development and deployment using AWS, Azure or Google Cloud Platform.
• Experience with Docker, Kubernetes, Git, CI/CD pipelines and Agile/Scrum delivery practices.
• Working knowledge of relational and NoSQL databases such as PostgreSQL, MySQL and MongoDB.
*Please note, this role cannot offer visa transfer or sponsorship now or in the future*
These will help you stand out:
• Experience with GraphQL, gRPC or event-driven integration patterns.
• Hands-on experience with message brokers such as Kafka, RabbitMQ or AWS SQS.
• Experience writing automated tests using PyTest, Unittest or similar testing frameworks.
• Ability to troubleshoot performance, reliability and scalability issues across distributed applications.
• Strong communication skills and the ability to collaborate effectively with cross-functional engineering and business teams.
We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.
Salary and compensation:
The annual salary for this position will be between $80,000 to $135,000 per year depending on the experience and other qualifications of the successful candidate. This position is also eligible for Cognizant's discretionary annual incentive program and stock awards, based on performance and subject to the terms of Cognizant's applicable plans.
Applications will be received by August 31 st , 2026.
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:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization's unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Additional employment information
Compensation 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.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.