Remote Oracle Performance Tuning Jobs in New York

*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*
About Us:
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 195 on the Fortune 500 and is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at www.cognizant.com.
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.
Senior Technical Lead - Mobile Applications Experience:
8 - 14 years of overall IT experience ((Relevant application development or support experience)
Responsibilities
Act as the primary technical owner for mobile app solutions across design, build, delivery, and production support.
Support architecture decisions related to modernization, scalability, performance, and platform evolution.
Review designs and code to ensure alignment with clean architecture, MVVM, and SOLID principles.
Design, develop, and optimize mobile applications using .NET MAUI (primary) and Xamarin (legacy/transition support).
Ensure compliance with iOS lifecycle management, App Store guidelines, and Apple platform standards.
Have experience working on paired Mac and Windows machine
Oversee integration with RESTful APIs, ensuring secure, resilient, and performant communication.
Provide architectural oversight for SQL-backed systems, local storage (SQLite), and synchronization strategies.
Ensure secure handling of data at rest and in transit, including token management and encryption.
Own mobile release governance including versioning, signing, certificates, provisioning profiles, and App Store/TestFlight readiness.
Establish quality gates through code reviews, testing strategies, and release checklists.
Partner with QA and DevOps teams to ensure CI/CD pipelines support reliable mobile builds.
Act as senior escalation point for production incidents, lead RCA, and implement permanent fixes.
Develop new functionality and upgrades: As a Full Stack .NET developer using REST APIs on Oracle & SQL Server - developing SQL, PL/SQL, tuning, production fixes using ASP.NET / ASP.NET Core, C#, Web API
Core Mobile Technologies
.NET MAUI (iOS) - architecture, performance tuning, production deployment
Xamarin (Xamarin.iOS / Xamarin.Forms) - legacy support and migration execution
MVVM, dependency injection, modular design patterns
iOS Platform Expertise
iOS application lifecycle, background processing, notifications, secure storage
Debugging and crash analysis for iOS applications
Understanding of App Store compliance, signing, certificates, and provisioning Integration & Data
RESTful APIs - authentication, serialization, resiliency patterns
SQL/T-SQL - strong understanding of queries, performance considerations, and data integrity
Local data storage patterns (SQLite, offline-sync concepts)
Education
• Bachelor's degree in Computer Science / Engineering / IT or equivalent experience
Compensation: - $110 K to $135 K/ Annum Base Salary + COLA and 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. Application will be accepted by 7/30/2026
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
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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.