Yigit Sahin
Full-stack Developer @Cognizant
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WORK HISTORY
Full-stack Developer @Cognizant
Gdańsk, PL
Google Cloud Platform (Contractor at Google) Responsible for the end-to-end delivery of cloud features within the Google Cloud ecosystem/Load balancer Team.• Feature Ownership: Managed the full lifecycle of features, from initial technical design and documentation to production deployment.• Backend & Frontend: Developed scalable microservices using Java, gRPC, and GraphQL, while building associated frontend components using Angular.• Testing & Quality: Wrote high-quality code with a strong focus on testing. Developed comprehensive unit tests using Jasmine and Karma, and end-to-end (E2E) tests using Playwright.• Engineering Standards: Followed strict engineering standards to ensure all features were reliable, scalable, and maintainable.• Technologies: Java, Angular, gRPC, GraphQL, Playwright, Jasmine, Karma, PostgreSQL, Microservices, Microfrontends.Workday (Contractor - Greenfield Project) Actively participated in the architectural design and technology selection for a new internal system.• Architecture Design: Collaborated with client teams to design a system that identifies and tracks cross-team blockers across Workday services.• Implementation: Built the core logic using Java and managed asynchronous tasks using AWS SQS.• Observability: Set up the Grafana Stack to monitor system performance and identify issues early.• Technologies: Java, Redis, AWS SQS, SQLite, Grafana.One HR Project Developed secure onboarding flows and integrated them with identity management systems.• Security & Auth: Built complex HR onboarding workflows with tight Keycloak integration for identity management.• Stakeholder Collaboration: Worked closely with business owners to define product requirements and translate them into technical solutions.• Technologies: Spring Boot, Angular, Keycloak, Azure, Docker, Jenkins, PostgreSQL.
EDUCATION
Çankaya Üniversitesi
Master's degree
Milli Piyango Anadolu Lisesi
High School Diploma
Besiktas Ataturk Anadolu lisesi
High School Diploma
TOBB Ekonomi ve Teknoloji Üniversitesi
Elektrik ve Elektronik Mühendisliği
ABOUT YIGIT SAHIN
I am a Senior Full-Stack Software Developer with over 7 years of experience in building scalable, production-grade applications. My career includes delivering high-impact solutions for global industry leaders such as Cognizant, Huawei, Google (Contractor) and Workday (Contractor).I specialize in the end-to-end delivery of complex features, managing the entire software development lifecycle from technical design to production deployment. I am passionate about cloud-native architectures, high-quality engineering standards, and ensuring system reliability through rigorous testing.Core Tech Stack:Languages: Java, TypeScript, ScalaBackend: Spring Boot, Microservices, gRPC, GraphQL, REST APIsFrontend: Angular, RxJS, Microfrontends, HTML5, CSS3/SCSSTesting: Playwright, Jasmine, Karma, JUnit, E2E TestingCloud & Infrastructure: GCP, AWS, Azure, Docker, KubernetesDatabases: PostgreSQL, Redis, Cassandra, MySQLData & Observability: Grafana Stack, Prometheus, Spark, Hadoop
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