We are seeking a Senior Fullstack Java Developer with experience in JavaScript and full-stack web development. This role involves designing and developing scalable web-based applications, ideally within telecommunications or mission-critical environments. Responsibilities include designing, implementing, and optimizing front-end and back-end services, supporting CI/CD processes through tools such as Jenkins, and contributing to the delivery of high-quality, scalable solutions aligned with industry standards.
In this role, you will:
Design and develop scalable web-based network applications for 3GPP Mission Critical Services (MCX).
Implement and maintain web services to support application functionality.
Develop front-end components using JavaScript and related frameworks.
Build and optimize back-end services using Java and Python.
Support continuous integration and deployment processes using Jenkins.
Design and manage SQL databases to ensure data integrity and performance.
Collaborate with cross-functional teams to define, design, and deliver new features.
Conduct code reviews and promote coding standards and best practices.
Troubleshoot and resolve technical issues.
Develop and maintain technical documentation.
Ensure compliance with relevant industry standards and best practices.
Optimize application performance and scalability.
Share knowledge and provide technical guidance to team members.
What you need to have to be considered:
Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
Extensive experience in full-stack web application development.
Proficiency in Java, JavaScript, Python, and SQL databases.
Experience working in Linux environments.
Understanding of web services and related technologies.
Experience with CI/CD tools such as Jenkins.
Strong problem-solving skills and attention to detail.
Strong communication, collaboration, and stakeholder engagement skills.
Ability to work effectively within a team environment.
What we offer
- The chance to work with impact. Here, you’re empowered to bring your biggest thinking to help our company and clients improve everyday life.
- Ownership over your career. Stay at the top of your game through our award-winning learning and development ecosystem. And when your ambitions change or we offer new opportunities, we help you pivot by providing reskilling, on-the-job learning and guidance to find new roles that might be a better fit.
- The opportunity to thrive on a high caliber team with heart. We celebrate each other’s experiences and perspectives and promote a sense of belonging through our affinity groups and diversity and inclusion initiatives.
- A comprehensive total rewards package, including a competitive salary and a pension plan with matching contributions.
- Flexible health and financial benefits to support you and your eligible dependents—from day one.
- True work-life balance. Be at your best through paid time off, flexible work arrangements, volunteering opportunities, social events, and so much more.
About us
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, building the bridge 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, realize tangible returns and keep global enterprises ahead in a fast-changing world. See how at www.cognizant.com or @cognizant.
Other employment-related information
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, provincial 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] with your request and contact information.
Language requirements vary depending on roles, but we ask that all candidates have basic English proficiency for company-wide communications purposes. For roles based in Quebec, professional English proficiency is required, as you’ll deliver services to and collaborate with stakeholders outside the province who may not speak French.










