Selçuk Cihan

• Created mobile device management tools to support warehouse ops, reducing manual device setup and improving reliability across Android-based workflows.
• Automated warehouse operations such as processing returns, customization of products and workflows, resulting in more efficient use of resources.
• Expanded backend observability, giving engineering & operations teams more visibility into failures affecting warehouse.

ScalaSpringKubernetesPostgresGoogle CloudDataDog

• Created the Python AWS Lambda SDK for Serverless Console, an observability platform for applications running on AWS Lambda.
• Owned release coordination & backward compatibility of the SDK, supporting dependable adoption among customers.

PythonServerlessLambdaAWS

• Created serverless backends on AWS using Node.js & Python for multiple products, including a machine-learning SAAS application and a substack-like platform for financial writers.
• Designed customer-facing GraphQL APIs, serverless execution orchestration, data-ingestion workflows and priority-queue services for mission-critical financial products.
• Delivered analytics, article recommendation, summarization, and automated sitemap capabilities for customer-facing products on tellimer.com
• Led architecture/design sessions, clarified ambiguous requirements, mentored engineers and reviewed technical documentation.
• Improved production monitoring & operational excellence across distributed systems.

TypeScriptPythonServerlessLambdaAPI GatewayDynamoDBStripeEventBridgeAppSyncCognitoDatadogNode.js

• Developed a public facing REST API, fully serverless on AWS, serving hundreds of thousands of customers.
• Reduced AWS bill by more than 50% through architecture and resource-usage optimizations.
• Mentored developers and reviewed design documents for reliability & maintainability.

PythonServerlessLambdaAPI GatewayDynamoDBVPCSQSCloudWatchS3CloudFront

• Developed and maintained the orchestration platform that powers Amazon’s product catalog.
• Executed zero-downtime migrations across several web services and retired legacy services that constrained catalog growth.

PythonDistributed SystemsAWSJavaDynamoDBService OrchestrationSQSCloudWatchS3Kinesis

• Supported the workflow engine serving banking applications such as loans, customer complaints etc.
• Designed a workforce management system that empowers the bank’s operation center.

Microsoft .NetC#MSSQLElasticSearchJavaScript

• Implemented workflow engine running on top of Oracle, serving over 100,000 workflow instances daily.
• Served as scrum master and mentored junior developers.

Microsoft .NETC#WinFormsWPFOracle

• Developed solutions for IPTV products in C & C++.
• Implemented teletext and RTSP parsers along with closed captioning and subtitles for IPTV.

CC++Embedded LinuxRTSPTeletextIPTV