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Sr. Software Engineer B3

00069185251


Job Summary

Sr Software Engineer B3 role focuses on designing and building secure scalable and resilient mobile and backend applications using React Native Java and JavaScript within a hybrid work model The role involves collaborating with cross functional teams to deliver high quality features that improve user experience and align with business goals while ensuring maintainable code and continuous improvement across the software lifecycle


Responsibilities

  • Design and develop scalable React Native mobile applications that deliver a consistent and intuitive user experience across multiple device platforms and screen sizes
  • Implement robust Java based backend services that ensure secure efficient and reliable processing of business logic and data workflows in alignment with enterprise standards
  • Build reusable JavaScript components and utilities that improve development efficiency maintainability and consistency across multiple projects and codebases
  • Collaborate closely with product managers designers and fellow engineers to refine technical requirements clarify use cases and align implementation details with business outcomes
  • Review and refactor existing code to improve performance reliability and readability while maintaining strict adherence to coding standards and engineering best practices
  • Integrate mobile and backend systems with internal and external application programming interfaces to ensure accurate secure and efficient data exchange
  • Develop and maintain automated unit integration and functional tests that increase coverage reduce regressions and support confident delivery of new features
  • Troubleshoot and resolve complex production issues by analyzing logs telemetry and user feedback to identify root causes and implement sustainable fixes
  • Optimize application performance by profiling critical paths reducing unnecessary network calls and tuning database and caching strategies for responsive user experiences
  • Contribute to technical design discussions by proposing pragmatic solutions that balance short term delivery needs with long term system scalability and resilience
  • Mentor junior engineers by providing constructive feedback pairing on complex tasks and sharing practical guidance on React Native Java and JavaScript engineering practices
  • Document system architecture key design decisions and operational runbooks in a clear and concise manner to support knowledge sharing and efficient incident response
  • Collaborate within the hybrid work model by using digital collaboration tools to maintain clear communication alignment and transparency across distributed teams
  • Drive continuous improvement initiatives by identifying process gaps suggesting automation opportunities and supporting adoption of modern engineering tools and practices
  • Ensure all deliverables adhere to security compliance and data privacy guidelines to protect users and support the company reputation in global markets


Qualifications

  • Exhibit strong hands on experience in building and shipping complex React Native applications including state management navigation and offline capabilities
  • Demonstrate deep proficiency in Java language features object oriented design patterns and development of secure and performant backend services
  • Apply solid JavaScript fundamentals including asynchronous programming modular architectures and tooling to deliver maintainable and testable code
  • Utilize practical knowledge of software engineering practices such as version control branching strategies code reviews and continuous integration in daily work
  • Employ working experience with relational or document databases and query optimization techniques to design efficient and reliable data access layers
  • Display familiarity with Agile or iterative delivery methods by participating in planning estimation daily discussions and continuous feedback cycles
  • Leverage exposure to cloud based environments and containerization concepts to support scalable deployment of mobile and backend services even at a foundational level
  • Value strong communication and collaboration skills to work effectively in a hybrid setup and engage constructively with peers stakeholders and partner teams


Certifications Required

Oracle Certified Professional Java Programmer or equivalent Java certification preferred React Native or JavaScript framework certification is an advantage

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.

Benefits that help you thrive and grow

Our benefits program is built with you in mind—so you can enjoy a fulfilling, balanced and healthy life.

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Financial wellbeing

We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, etc.

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Physical and mental health

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program and more. 

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Your career, your way

With 350,000+ roles at Cognizant, you’ll have opportunities explore new technologies, industries and locations—and build the skills you need to grow your career.

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Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

Your path to Cognizant

Here’s what you can expect from our hiring process. Please keep in mind that it may vary by role and location. Explore our FAQs to learn more.

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Step 1: Apply to the right opportunity

Find an open role that matches your skills and career goals and show us why you’re the person for the job. Don’t see the right opportunity? Consider joining our Talent Community.

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Step 2: Connect with your recruiter

If one of our recruiters sees a fit, they’ll set up a short intro call to learn more about you and how your experiences and skills match the role.

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Step 3: Show off your skills

If you and our team would like to continue the process, you’ll interview with our hiring team. Some roles may also require technical assessments and/or client interviews.

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Step 4: Decision time

Our team will then review each candidates’ potential to succeed in the role. This step may take some time because we want to find the right fit for both you and us—but you can count on us to keep you updated.

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