Sefa Gövercin | Software Engineer

Expertise

Full-stack engineering, web infrastructure and delivery workflows

Web Infrastructure

Setting up Linux-based application infrastructure with NGINX and Podman. Defining the application and PostgreSQL database together in a shared pod using YAML configuration.

Linux NGINX Podman Pod YAML

Full-Stack Development

Building React frontends with Vite and TypeScript, backed by NestJS APIs and PostgreSQL. Using TypeORM to connect the application layer with persistent data.

React TypeScript Vite NestJS TypeORM PostgreSQL

Delivery & Collaboration

Experience with Jenkins and GitHub Actions for CI/CD, GitHub for source collaboration and Jira for ticket-based work. Using VS Code with coding agents as part of the development workflow.

Jenkins GitHub Actions GitHub Jira

Current Focus

Key initiatives and responsibilities

IDM Web Infrastructure

Responsible for the technical infrastructure setup of the IDM web platform at LANXESS, from the Linux environment and NGINX configuration to the containerized application stack.

Containerized Application Stack

Bringing together React, Vite and TypeScript with a NestJS backend, TypeORM and PostgreSQL. Defining the application and database as a shared Podman pod through YAML configuration.

Engineering Workflow

Applying experience with Jenkins and GitHub Actions to delivery workflows, tracking work in Jira and collaborating through GitHub. Using VS Code and coding agents to support implementation and code review.

Professional Experience

My journey in software engineering and enterprise systems

2022 - Present

Software Engineer (via CGI)

LANXESS

Currently responsible for the technical infrastructure setup of the IDM web platform: Linux, NGINX and a shared Podman pod defined in YAML. Building the application stack with React, Vite, TypeScript, NestJS, TypeORM and PostgreSQL, in the context of the SAP IDM to SailPoint ISC migration.

Linux / NGINX Podman React / NestJS PostgreSQL

2021 - 2022

Software Developer

IT.NRW

Contributed to large-scale digitalisation projects in the public sector. Developed and maintained enterprise applications, focusing on data processing and system integration.

Java Spring Boot Oracle DB GitLab

2019 - 2021

B.Sc. Applied Computer Science

University of Duisburg-Essen

Bachelor thesis on structural analysis of scientific documents using layout pattern classification (IEEE papers). Tutor in distributed systems course.

Python Machine Learning Algorithms LaTeX

2022 - Present

Software Engineer & Consultant

CGI Deutschland

Enterprise software engineering and consulting, including work for LANXESS. Current focus on full-stack applications and web infrastructure, building on experience in identity management and enterprise integration.

Full-Stack Infrastructure IAM Experience Architecture

2015

Development Team Lead

High-performance Android Games

Led team building Android games using Unity3D and C#. Focus on performance optimization and user experience.

Unity3D C# Android Game Dev

Technical Expertise

Frontend

React Vite TypeScript SAP UI5 Next.js HTML/CSS

Backend

NestJS Node.js TypeORM PostgreSQL REST APIs

IAM & Security Experience

SailPoint ISC OAuth2 SAML

Infrastructure & CI/CD

Linux NGINX Podman Pod YAML Jenkins GitHub Actions

Development & Collaboration

Git GitHub Jira VS Code Coding Agents

Projects

Professional and personal development work

SAP IDM Migration Project

Enterprise migration from SAP Identity Management to SailPoint Identity Security Cloud at LANXESS. Responsible for setting up the IDM web infrastructure with Linux, NGINX and Podman, supporting a React frontend and NestJS/TypeORM backend with PostgreSQL in a shared YAML-defined pod.

SailPoint React NestJS Podman

Emu Paradise

A browser-based retro gaming library powered by EmulatorJS. Play your own game files across classic consoles, with local saves, favorites and controller support. Game files and BIOS stay on your device.

React TypeScript EmulatorJS IndexedDB

emu-paradise.com

FileTools

An online toolkit for everyday file and developer tasks. Compress and convert images, work with PDFs, and format JSON using browser-based tools built with React, TypeScript and WebAssembly.

React TypeScript WebAssembly File Utilities

failtools.com

TimerSimple

A focused Pomodoro timer for work and study. Alternate focus sessions with short breaks and keep private session notes, directly in your browser without creating an account.

React TypeScript Pomodoro Productivity

timersimple.com

Fillerguru

A free suite of content and SEO tools for writers and developers. Create placeholder content, transform text and prepare search metadata with tools that process your input locally in the browser.

React TypeScript Content Tools SEO

fillerguru.com

Contact

Let's connect about full-stack development and web infrastructure

Get in Touch

Interested in full-stack applications, Linux-based web infrastructure or collaboration opportunities? Feel free to reach out:

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