hi@emreguler.dev

Emre Güler

Software Developer at Appcircle

Backend developer with 5+ years of experience designing scalable SaaS, e-commerce, and enterprise systems. Specialized in .NET Core, C#, Golang, and cloud platforms.

Experience

Software Developer Jan 2026 — Present
Appcircle · Delaware, United States
  • Building and improving backend services within a distributed microservice architecture powering a cloud-native mobile CI/CD platform.
  • Delivering performance optimizations that reduce latency and improve throughput across critical pipeline execution workflows.
  • Contributing to system scalability and reliability improvements serving enterprise mobile development teams globally.
Backend Developer Mar 2023 — Jul 2025
Sertifier · Delaware, United States
  • Developed and maintained 10+ third-party integrations, contributing to a 20% increase in platform adoption by enterprise clients.
  • Implemented CI/CD pipelines with automated testing, reducing deployment time by 30–50% and decreasing rollback incidents by 30%.
  • Optimized database queries, refactored high-traffic endpoints, and upgraded .NET versions — improving API response times by 35%.
  • Designed and built an authorization microservice from scratch in Golang, leveraging Redis caching for low-latency and scalable user authorization.
Backend Developer Jul 2021 — Feb 2023
Inveon · Istanbul, Turkey
  • Optimized MSSQL queries and implemented Redis caching strategies, reducing API response times by 20% under heavy load.
  • Designed and implemented scalable service architectures in C#/.NET, ensuring modular and maintainable codebases.
  • Collaborated closely with front-end and QA teams to ensure seamless integration and end-to-end reliability.
  • Implemented new payment methods and delivery options, contributing to a 10–15% increase in overall sales.
Junior Software Developer Jun 2019 — May 2021
Codex · Istanbul, Turkey
  • Developed and deployed client-focused web application features using C#/.NET Core, meeting business requirements on time.
  • Maintained and refactored existing codebases, reducing bug incidence by 15% through testing and code reviews.

Let's Connect