Sr. Software Engineer (Python/AWS)
Role details
Job location
Tech stack
Job description
We are seeking a skilled Python API Developer to design, build, and optimize RESTful APIs that power data-driven applications and integrations. This role will focus on enabling seamless connectivity between cloud platforms, data pipelines, and machine learning services, ensuring secure, scalable, and well-documented solutions., * API Development: Design and develop Python-based REST APIs using frameworks such as FastAPI or Flask.
- Integration: Connect APIs with backend components including Databricks, Snowflake, and ML model endpoints, collaborating closely with Data Engineers and Architects.
- Security & Reliability: Implement robust API security using OAuth2/JWT, with standardized error handling, logging, and monitoring.
- Cloud Deployment: Build AWS Lambda functions and integrate them with API Gateway; containerize APIs and deploy to Kubernetes for scalability.
- Documentation: Develop and maintain OpenAPI/Swagger specifications to ensure clear API contracts and ease of consumption.
- Observability: Utilize tools such as CloudWatch and DataDog to monitor performance and maintain system health.
Work model: Onsite
We strive to provide flexibility wherever possible. Based on this role's business requirements, this is a hybrid position open to qualified applicants in United States, requesting 5 days at office per week. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.
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.
Requirements
- Strong proficiency in Python (FastAPI/Flask) and REST API development.
- Hands-on experience with OAuth2/JWT authentication.
- Expertise in AWS Lambda, API Gateway, and containerized API deployments.
- Familiarity with Git/GitHub for version control and collaboration.
- Knowledge of healthcare claims formats (837, X12).
- Experience with observability tools (CloudWatch, DataDog)., * Hold a bachelor's degree in computer science or related field.
- 8+ years of relevant experience.
- Exposure to data platforms such as Databricks and Snowflake.
- Understanding of ML model integration within API ecosystems.
- Strong problem-solving skills and ability to work in cross-functional teams.
We're excited to meet people who 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.
Benefits & conditions
Paid parental leave, Employee stock purchase plan, Parental leave, 401(k), Health insurance, Paid time off, Vision insurance, Dental insurance, The annual salary for this position will be between $65,000 to $135,000 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 May 12th, 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.
