• Work very closely with the entire PIC team covering a wide variety of directions, including silicon photonics and III-V device designs, simulation, foundry process development, production tapeout, PIC testing, and production support. • Be responsible for the design, simulation, layout and testing of photonic components and circuits. • Work closely with millimeter wave design team, packaging team, and module hardware / software / optics testing team in building complete products.

Role Description We’re hiring a Backend Engineer to enhance our core application infrastructure, a pivotal role in delivering robust services that support our innovative solutions. - Develop essential application services and APIs using Java and Spring Boot. - Ensure seamless operations regarding real-time data handling and integration functionalities. - Support testing, issue resolution, and production readiness, contributing directly to the overall reliability and performance of our systems. - Substantial ownership over backend architecture and design, incorporating Python and FastAPI to cater to evolving business needs. Qualifications - 3 to 5 years of relevant professional experience in backend development with a strong focus on Java and Spring Boot. - Proficient in developing production-grade applications and designing APIs with a solid understanding of backend logic. - Familiarity with Python and FastAPI to contribute to various components of the application as needed. - Experience with relational databases, providing efficient solutions for data storage and retrieval. - Familiarity with real-time processing, event-driven architectures, and operational platforms to support dynamic data workflows. - Fluent in both Arabic and English, with strong communication skills to engage with diverse teams. Requirements - Core Development: Design and implement core application services and APIs using Java and Spring Boot, ensuring seamless integration with front-end interfaces. - Real-Time Data Handling: Manage real-time data processing and integrations, enhancing operational efficiency and providing timely notifications and reporting capabilities. - Support & Maintenance: Engage in testing, issue resolution, release support, and production operations as needed, contributing to successful release management. - Collaboration: Work closely with cross-functional teams to ensure continuous improvement and optimization of backend processes and services, utilizing Python and FastAPI where required. Company Description Quantum HR is a premier human resources consulting firm dedicated to connecting exceptional talent with leading organizations worldwide. We specialize in providing bespoke recruitment solutions, leveraging deep industry insights and a global network to help companies build high-performing teams by matching them with professionals who truly fit their needs and culture.

Title: Senior .NET Full Stack Developer Location: Cincinnati United States Job Description: About the Role Cognizant's Digital Engineering practice is seeking a highly qualified Senior .NET Full Stack Developer with 6+ years of experience in designing, building, and supporting scalable, secure, and high-performance applications. You will be part of a digital engineering team working on high-demand financial or payment applications, leveraging technologies such as C#, .NET, Angular (TypeScript), Azure, and CI/CD pipelines. Our engineers are passionate about delivering high-quality, reliable, and maintainable solutions. You will work closely with product managers, architects, designers, and clients, collaborating to make informed technical decisions and deliver value quickly. The team follows Agile and continuous improvement practices, openly reflecting on opportunities to enhance performance and outcomes. Success in this role is measured by team achievement, system reliability, and customer satisfaction. About Cognizant Digital Engineering If you're like us, you've got big ideas. At Cognizant, we're exploring new ideas every day. We help industry-leading companies reinvent their business models and innovate products that create new value-by connecting people with things, insights, and experiences. Cognizant Digital Engineering designs, engineers, and delivers digital products and experiences that drive digital-first business models. We offer comprehensive digital engineering expertise and a client-centric methodology for sustainable innovation. Location Cincinnati, OH (Remote) Work Authorization Requirement: You must be legally authorized to work in the USA without the need for employer sponsorship, now or at any time in the future. Roles & Responsibilities - Work with clients to gather requirements and develop assigned user stories - Design, develop, and maintain applications using .NET and Angular technologies - Perform unit testing and integration testing of developed applications - Actively participate in Scrum ceremonies on a daily basis, reporting progress and challenges - Collaborate with Cognizant leads to provide updates and review deliverables - Engage with the Scrum team in backlog refinement, sprint planning, and reviews - Support deployment processes and address production issues - Contribute to continuous improvement initiatives across development and delivery Required Qualifications - Strong experience with C# and .NET - Experience with Angular (TypeScript-based development) - Hands-on experience with Microsoft Azure - Experience with CI/CD DevOps pipelines - Solid understanding of Agile/Scrum methodologies Salary and Other Compensation: Applications will be accepted until June 15, 2026. The annual salary for this position is between $ 68,000- $114,000 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 Additional Information - Applicants may be required to attend interviews in person or via video conference - Candidates may be required to present a current state or government-issued ID during each interview - Disclaimer: The salary, compensation, and benefits information is accurate as of the date of posting and may be modified at any time, subject to applicable law

• Develop APIs (REST/gRPC), integrations, and high‑performance backend services. • Champion test-driven development. • Write, configure, and deploy code in Go, JavaScript & Python that improves service reliability for existing or new systems; set standard for others with respect to code quality. • Provide helpful and actionable feedback and review for code or production changes. • Drive repair/optimization of complex systems with consideration towards a wide range of contributing factors. • Lead debugging, troubleshooting, and analysis of service architecture and design. • Participate in on-call rotation. • Implement and manage suite of chaos engineering products written in Golang, JavaScript & Python. • Collaborate with development teams to enhance system reliability and performance, applying a platform engineering mindset to system administration tasks. • Troubleshoot and resolve issues in our dev, test, and production environments. • Contribute to internal knowledge bases and documentation. • Participate in capacity planning and forecasting efforts to ensure our systems can handle future growth and demand.