Lead Javascript Developer Jobs (NOW HIRING)

About the role
As a Senior Lead Engineer - Java, you will make an impact by designing and delivering scalable, high-performance enterprise applications that drive business outcomes and enhance customer experiences. You will be a valued member of the engineering team and work collaboratively with architects, product owners, business stakeholders, quality engineering teams, and cross-functional technology teams to deliver innovative solutions.
Cognizant will only consider applicants for this position who are legally authorized to work in the United States without requiring Visa transfer or sponsorship now or at any time in the future.
In this role, you will:
Design, develop, and implement scalable enterprise applications using Java, REST APIs, JSON, JavaScript, and GraphQL.
Collaborate with business and technical stakeholders to gather requirements and translate them into effective technical solutions.
Provide technical leadership, mentorship, and guidance to development teams while promoting engineering best practices and high-quality code standards.
Optimize application performance, identify system bottlenecks, and implement scalable, secure, and efficient solutions.
Conduct code reviews, support testing activities, and ensure application quality, reliability, and successful production deployments.
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 requiring 3 days a week in a client or Cognizant office in Boston, Massachusetts. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.
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.
What you need to have to be considered
strong 9+ years of experience designing and developing enterprise applications using Java.
Strong hands-on experience with REST APIs, JSON, GraphQL, and JavaScript.
Proven experience designing scalable, maintainable, and secure application architectures.
Strong analytical and problem-solving skills with the ability to troubleshoot complex technical challenges.
Experience working in Agile software development environments and across the full software development lifecycle.
Excellent communication and stakeholder management skills.
Certified JavaScript Developer certification.
These will help you stand out
Experience within the Property & Casualty Insurance industry.
Experience leading technical teams and mentoring developers.
Strong understanding of application security, performance tuning, and enterprise integration patterns.
Experience driving continuous improvement initiatives across engineering processes and development tools.
Ability to evaluate emerging technologies and recommend innovative solutions for business challenges.
Note: Certain roles may require candidates to attend in-person interviews at Cognizant offices or client locations, depending on project requirements.
Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent
Applications will be accepted until August 24th, 2026.
Salary and Other Compensation:
The annual salary for this position is between $70,000 to $117,000 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.
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.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.