Senior Software Engineer (Node.js, JavaScript, and AWS)

About the role

As a Senior Software Engineer, you will make an impact by designing, developing, and optimizing scalable software solutions using AWS, Node.js, and JavaScript. You will be a valued member of a cross‑functional engineering team, collaborating closely with product, architecture, and business stakeholders to deliver high‑quality solutions that improve user experience and operational efficiency.

In this role, you will:

• Design, develop, and maintain scalable and secure applications using AWS, Node.js, and JavaScript.
• Collaborate with cross‑functional teams to translate business requirements into technical solutions.
• Analyze system requirements and optimize application performance, reliability, and scalability.
• Apply engineering best practices to ensure code quality, maintainability, and reusability.
• Participate in code reviews and provide constructive feedback to promote continuous improvement.
• Troubleshoot and resolve complex technical issues to ensure high system availability.
• Stay current with emerging technologies and industry trends to drive innovation.
• Ensure security, compliance, and data protection standards are met across applications.
• Mentor and provide technical guidance to junior engineers.
• Contribute to documentation, development standards, and knowledge sharing across teams.

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 in PLano, TX. Regardless of your working arrangement, we support a healthy work‑life balance through our wellbeing programs.

The working arrangements for this role are accurate as of the date of posting and may change based on business or client needs. We will always be clear about role expectations.

What you need to have to be considered

• 10--14 years of professional experience in software engineering.
• Strong hands‑on experience with Node.js, JavaScript, and AWS.
• Proven ability to design and deliver scalable, high‑quality software solutions.
• Solid understanding of the software development lifecycle and agile methodologies.
• Experience building secure, reliable, and performance‑optimized applications.
• Strong problem‑solving and analytical skills.
• Effective communication skills and experience working with diverse stakeholders.

These will help you stand out

• AWS Certified Solutions Architect certification.
• Node.js Certified Developer certification.
• Experience mentoring engineers and contributing to technical leadership.
• Exposure to performance tuning, cloud cost optimization, and security best practices.

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.

We're excited to meet people who share our passion for technology and innovation and who can make an impact in a variety of ways. Don't hesitate to apply, even if you meet most---but not all---of the requirements. We value transferable skills, diverse experiences, and fresh perspectives.

This position does not offer visa sponsorship. Candidates must be authorized to work without sponsorship now or in the future, including OPT, CPT, or any other work authorization requiring employer sponsorship.

Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.