Miikka Koensler

Full-Stack Software Developer

Düsseldorf, Germany

Full-stack developer with 3+ years of experience building web applications and systems end-to-end, with a focus on product development and scalable architectures. I work in agile teams and actively use tools like Claude Code and Cursor in my development workflow.

Miikka Koensler
hello@miikka.spacemiikka.spaceMiikkasGITmiikka-koensler

Experience

Co-Founder·Boardly
May 2025 — Present
  • –Building a project clarity tool that transforms client communication into structured timelines with automated classification
  • –Developing the full-stack MVP with Next.js and TypeScript, covering Slack/Telegram integrations, timeline views, and scope tracking
Full-StackNext.jsReactTypeScriptTailwind CSS
Full-Stack Developer·John Softwareentwicklung
Mar 2025 — Present

Working Student · Düsseldorf, Germany

  • –Extended a proprietary PHP/Slim Framework backend, implementing new endpoints and business logic for client-specific workflows
  • –Built reactive frontend components with AlpineJS for web-based business process applications
PHPSlim FrameworkAlpineJSREST APIs
Software Engineer·G&S IT Group GmbH
Aug 2023 — Jan 2025

Working Student · Osnabrück, Germany

  • –Developed and maintained enterprise web applications using AngularJS and PHP for business process automation
  • –Collaborated in an agile Scrum team on software products serving clients across global markets
AngularJSPHPTypeScriptREST APIs

Education

Bachelor of Science, Computer EngineeringHochschule Osnabrück
2022 — Apr 2026

Osnabrück, Germany

Information Technology (Exchange)Metropolia University of Applied Sciences
Aug — Dec 2024

Helsinki, Finland

Skills

Frontend

React, Next.js, TypeScript, JavaScript, Tailwind CSS, AlpineJS, AngularJS

Backend

Node.js, PHP, Slim Framework, REST APIs, PostgreSQL, MongoDB, MySQL

Tools & AI

Git, Docker, Linux, Claude Code, Cursor

Languages

German (native), English (fluent)