Selçuk Cihan
Senior Software Engineer & AWS Solutions Architect
As a former Amazonian devoted to helping customers and solving problems, I bring a strong sense of ownership and a track record of delivering results.
With over seven years of experience developing applications on AWS, I have a proven ability to take on technical duties from operations to development and architecture.
Client Testimonials
Trusted by teams at leading companies worldwide
"I've been most impressed by his exceptional ability to tackle every phase of software development with in-depth knowledge, confidence and clear communication. I cannot emphasize enough how good Selcuk is at communicating in a clear and structured manner."
Daniel Vliegenthart
Team Lead, parsel.ai
"I had the pleasure to manage and to work with Selcuk Cihan for the past 2 years while at Tellimer. He rose brilliantly to all challenges thrown at him both technically and communication wise. I would say his superpower is his communications skills, both writing and talking."
Decebal Dobrica
Software Architect, Tellimer
"He was the perfect remote contractor in many ways. His communication skills are top, he is very much a self-starter who can get stuck in on work with minimal guidance or oversight, and his code quality (and documentation!) is exceptional."
Ian Watt
CTO, Tellimer
Experience & Projects
Building scalable solutions across diverse industries
RTIC Outdoors
rticoutdoors.comContractor
Key Achievements
- Created mobile device management tools.
- Documented procedures and warehouse business flows.
- Automated warehouse operations.
- Increased observability of the backend systems.
Technologies
Serverless Inc
serverless.comContractor
Key Achievements
- Created the Python AWS Lambda SDK for Serverless Console, which is an observability platform for applications running on AWS Lambda.
- Implemented CI/CD flows on github actions.
- Automated tests that validate end to end business logic and performance.
Technologies
Scriber
scriber.toContractor
Key Achievements
- Created the serverless GraphQL backend for scriber.to, which is a platform for financial writers.
- Implemented payments with Stripe Connect.
- Built analytics application to provide the financial writers with KPIs.
Technologies
Tellimer
tellimer.comContractor
Key Achievements
- Created the API and step functions orchestrator that forms the machine learning pipeline for parsel.ai, which is a machine learning SAAS offering.
- Implemented serverless workflows for ingesting 3rd party financial articles for tellimer.com.
- Architected an article recommender and an article summarizer for tellimer.com.
- Integrated with Stripe for SAAS subscriptions.
- Built a serverless app that periodically maintains the sitemap for various web apps.
- Created GraphQL APIs with AppSync, connecting various data sources like DynamoDB & RDS.
- Created serverless workflows using AWS Step Functions to integrate with external services.
Technologies
Toptal
toptal.comFreelancer
Key Achievements
- Worked as the lead backend developer for a non-profit client.
- Developed a REST API, fully serverless on AWS.
- Optimized cost resulting in more than 50% saving on AWS bill.
- Improved performance by reengineering caching on CloudFront/S3.
- Mentored developers and reviewed pull requests.
Technologies
Amazon
amazon.comSoftware Development Engineer
Key Achievements
- Developed and maintained the orchestration platform that processes Amazon’s catalog updates. The platform is able to handle tens of thousands of TPS, enabling the finest and largest catalog on earth. Uses Kinesis as the backbone and routes updates to the catalog to relevant downstream services.
- Added further functionality to a Node.js service which is a high TPS REST service for diff analysis.
- Refactored an orchestration engine which consumes Kinesis and calls downstream services such that the application can be started without any dependencies, thus enabling performance testing of the core.
- Supported the reconciliation engine (Java 8) that generates the retail catalog.
- Carried out live migrations of several web services without downtime. Successfully deprecated multiple legacy services in an effort to simplify the overall architecture and enable catalog growth.
Technologies
Intertech
intertech.com.trSenior Software Engineer
Key Achievements
- Supported the workflow engine (C#, Windows service) serving banking applications such as loans, customer complaints etc.
- Set up elastic to index workflow engine documents, enabling powerful search mechanisms for the end user.
- Designed and implemented a workforce management system that empowers the bank's operation center. The application uses Microsoft's solver foundation to solve the task assignment problem. This project, titled 'Intelligent Workforce Management', got BAI Internal Process Innovation Award at 2017.
Technologies
Ziraat Teknoloji
ziraatteknoloji.comSoftware Development Engineer
Key Achievements
- Designed and implemented workflow engine running on top of Oracle, serving over 100,000 workflow instances daily.
- Served as scrum master and mentored junior developers.
Technologies
AirTies
airties.comSoftware Development Engineer
Key Achievements
- Developed solutions for IPTV products in C & C++
- Implemented teletext and rtsp parsers.
- Worked on closed captioning and subtitles for IPTV.
Technologies
Qualifications & Certifications
Continuous learning and professional development
AWS Certifications
Education
M.S. in Computer Science
2010Bogazici University, Istanbul
Researched distributed systems, graph theory and network flows. Thesis titled "Parallel maximum flow solver for multi-core machines"
B.S. in Computer Science
2008Bogazici University, Istanbul
Studied wireless networks and computer vision in addition to the foundations of computer science. Graduated Cum Laude.
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