Full Stack Developer (Python/JavaScript)
Cognizant Technology Solutions
Mount Laurel, NJ
Roles & Responsibilities
1. Application Development & Architecture
- Design, develop, and maintain full-stack web applications using Python frameworks (Django, Flask, FastAPI) for backend services
- Build responsive, dynamic front-end interfaces using ReactJS / VueJS / Angular with component-based architecture
- Develop and maintain API-driven web applications with RESTful and GraphQL endpoints
- Implement Material Design and Bootstrap frameworks for consistent, modern UI/UX across applications
- Write clean, maintainable, well-documented, and testable code following industry best practices
2. Database Design & Management
- Design, optimize, and maintain database schemas using MySQL and/or MongoDB
- Write complex SQL queries, stored procedures, and database migrations
- Perform query optimization, indexing strategies, and database performance tuning
- Ensure data integrity, backup strategies, and disaster recovery planning
3. Testing & Quality Assurance
- Develop and execute comprehensive test plans, test cases, and test strategies for web applications
- Implement automated testing frameworks using Python (pytest, unittest, Selenium, Playwright)
- Perform functional, regression, integration, performance, and API testing
- Set up and maintain CI/CD pipelines with automated test suites
- Conduct code reviews and enforce coding standards across the team
- Identify, document, and track defects through resolution using bug tracking tools (JIRA, Azure DevOps)
4. API Development & Integration
- Design, develop, and test RESTful APIs and microservices
- Create and maintain API documentation (Swagger/OpenAPI)
- Integrate third-party APIs and services into existing applications
- Implement API authentication, authorization, and security best practices (OAuth2, JWT)
5. Legacy System Support (PHP/JavaScript/jQuery)
- Maintain and enhance existing PHP-based web applications
- Work with legacy JavaScript/jQuery codebases, refactoring where appropriate
- Migrate legacy systems to modern frameworks and architectures incrementally
6. Collaboration & Communication
- Participate in Agile/Scrum ceremonies — sprint planning, daily standups, retrospectives, and demos
- Collaborate with cross-functional teams including product owners, designers, and DevOps engineers
- Provide technical mentorship and guidance to junior developers and analysts
- Communicate technical concepts effectively to both technical and non-technical stakeholders
- Create and maintain technical documentation, architecture diagrams, and runbooks
7. Technical Specifications & Design
- Participate in design reviews and contribute to technical specifications
- Translate business requirements into technical solutions and detailed design documents
- Evaluate and recommend new technologies, tools, and frameworks to improve development efficiency
- Ensure applications meet non-functional requirements — performance, scalability, security, and accessibility
8. DevOps & Deployment
- Support application deployment processes and environment management
- Work with containerization tools (Docker) and orchestration platforms
- Monitor application health, troubleshoot production issues, and implement fixes
- Maintain version control best practices using Git (branching strategies, pull requests, code reviews)
About Cognizant’s IoT Practice:
Intelligent, IoT-enabled products will soon result in the proliferation of data and disrupt virtually all industries. To be successful, both large and small companies must leverage IoT capabilities by designing modern products that fundamentally connect people with processes. Within Cognizant IOT, we engineer industry-aligned, IoT-enabled products that merge industry needs with human drivers. Our intelligent products will revolutionize experiences and result in exciting, transformative outcomes. Without human-centered thinking, connected products are just standalone things—but with it, our modern connected products facilitate a unified way of life enjoyed by all.
Salary and Other Compensation:
The annual salary for this position is between $92,000 – $118,000 + Bonus 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.
*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*
Applications will be accepted until April 19th , 2026
LI#- #LI-SC6
The Cognizant community:
We are a high caliber team who appreciate and support one another. Our people uphold an energetic, collaborative and inclusive workplace where everyone can thrive.
- Cognizant is a global community with more than 300,000 associates around the world.
- We don’t just dream of a better way – we make it happen.
- We take care of our people, clients, company, communities and climate by doing what’s right.
- We foster an innovative environment where you can build the career path that’s right for you.
About us:
Cognizant is one of the worlds leading professional services companies, transforming clients business, operating, and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build, and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant (a member of the NASDAQ-100 and one of Forbes World’s Best Employers 2025) is consistently listed among the most admired companies in the world.
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.
Disclaimer:
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.
About the Company
Cognizant Technology Solutions
Cognizant is one of the world's leading professional services companies, transforming clients' business, operating and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant, a member of the NASDAQ-100, is ranked 230 on the Fortune 500 and is consistently listed among the most admired companies in the world.
We're driven by a passion to help our clients build stronger, more agile and more innovative businesses.
Cognizant enables global enterprises to address a dual mandate: to make their current operations as efficient and cost-effective as possible and to invest in innovation to unleash new potential across their organizations.
What makes Cognizant unique is our ability to help clients meet both challenges. We help them enhance productivity by ensuring that vital business functions work faster, cheaper and better. And, our ability to conceptualize, architect and implement new and expanded capabilities allows clients to transform legacy models to take their business to the next level.