Selçuk Cihan

Portfolio · Production archive

Selçuk Cihan

Senior Software Engineer | Backend, Platform & Cloud

Cue 01 View the work
Portrait of Selçuk Cihan
Principal Selçuk Cihan

00 / Overture

The work in full view.
The machinery, too.

Senior software engineer with 17+ years of experience building distributed systems.,Former Amazon Software Development Engineer with hands-on experience across Node.js, Python, AWS, GCP, serverless architectures and observability.,Trusted in multi-year remote contracts to own ambiguous problems from architecture and implementation to operations and mentoring. Based in Istanbul (UTC+3).

01 / Selected productions

Stage / Backstage

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Production 1

RTIC Outdoors

Senior Software Engineer

2023 - 2026

Stage

Production notes

  • 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.
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Backstage

Rigging & systems

  • 1Scala
  • 2Spring
  • 3Kubernetes
  • 4Postgres
  • 5Google Cloud
  • 6DataDog

Production 2

Serverless Inc.

Senior Software Engineer

2022 - 2023

Stage

Production notes

  • 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.
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Backstage

Rigging & systems

  • 1Python
  • 2Serverless
  • 3Lambda
  • 4AWS

Production 3

Tellimer

Senior Software Engineer

2019 - 2022

Stage

Production notes

  • 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.
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Backstage

Rigging & systems

  • 1TypeScript
  • 2Python
  • 3Serverless
  • 4Lambda
  • 5API Gateway
  • 6DynamoDB
  • 7Stripe
  • 8EventBridge
  • 9AppSync
  • 10Cognito
  • 11Datadog
  • 12Node.js

Production 4

Toptal

Senior Software Engineer

2018 - 2019

Stage

Production notes

  • 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.
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Backstage

Rigging & systems

  • 1Python
  • 2Serverless
  • 3Lambda
  • 4API Gateway
  • 5DynamoDB
  • 6VPC
  • 7SQS
  • 8CloudWatch
  • 9S3
  • 10CloudFront

Production 5

Amazon

Software Development Engineer

2017 - 2018

Stage

Production notes

  • 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.
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Backstage

Rigging & systems

  • 1Python
  • 2Distributed Systems
  • 3AWS
  • 4Java
  • 5DynamoDB
  • 6Service Orchestration
  • 7SQS
  • 8CloudWatch
  • 9S3
  • 10Kinesis

Production 6

Intertech

Senior Software Engineer

2013 - 2017

Stage

Production notes

  • 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.
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Backstage

Rigging & systems

  • 1Microsoft .Net
  • 2C#
  • 3MSSQL
  • 4ElasticSearch
  • 5JavaScript

Production 7

Ziraat Teknoloji

Software Development Engineer

2011 - 2013

Stage

Production notes

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

Rigging & systems

  • 1Microsoft .NET
  • 2C#
  • 3WinForms
  • 4WPF
  • 5Oracle

Production 8

AirTies

Software Development Engineer

2009 - 2010

Stage

Production notes

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

Rigging & systems

  • 1C
  • 2C++
  • 3Embedded Linux
  • 4RTSP
  • 5Teletext
  • 6IPTV

02 / Company & craft

The repertory

Training

Boğaziçi University

BS. & MS. in Computer Science

Certifications

AWS Certified Solutions Architect - Professional

Amazon Web Services

Working inventory

  1. Cue 1TypeScript
  2. Cue 2Node.js
  3. Cue 3Python
  4. Cue 4Java/Scala
  5. Cue 5SQL/NoSQL
  6. Cue 6REST/GraphQL
  7. Cue 7AWS
  8. Cue 8GCP
  9. Cue 9Cloudflare
  10. Cue 10Serverless
  11. Cue 11Distributed Systems
  12. Cue 12React

03 / House notes

From the company

“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 VliegenthartTeam Lead, 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 WattCo-founder, Tellimer
“Selçuk is a quick learner, he approaches problems systematically and understands the business and customer needs. He is very detail-oriented, and a hard worker. You can trust him with the most challenging issues.”
Erdem KurulSoftware Development Manager, Intertech
“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 DobricaSoftware Architect, Tellimer

Final cue / Contact

Let’s make
the next thing.