Sebastian Illing, Developer in Berlin, Germany
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Sebastian Illing

Verified Expert  in Engineering

Software Developer

Location
Berlin, Germany
Toptal Member Since
May 2, 2016

Sebastian is a talented and passionate full-stack developer focused on back-end and API development. He has years of experience working with different programming languages and web frameworks. Coming from a startup environment, Sebastian strives to be result-oriented and quality-driven.

Portfolio

Kraken
Python, Microservices, Go
Alpaca Technology, Inc (Exit)
Python, Django, React, Amazon Web Services (AWS), PostgreSQL, PostGIS...
Freie Universität Berlin
MySQL, Apache Solr, React, Django, Python

Experience

Availability

Part-time

Preferred Environment

GitHub, PyCharm

The most amazing...

...full-stack web app I've built is a climate data evaluation framework that has been implemented at various international research institutes.

Work Experience

Senior Back-end Developer

2022 - 2023
Kraken
  • Developed multiple microservices in Python and Go.
  • Built real-time data processing pipelines using Python and Argo Workflows.
  • Implemented reporting service in Django and Python.
Technologies: Python, Microservices, Go

Co-founder | CIO

2019 - 2022
Alpaca Technology, Inc (Exit)
  • Recruited tech and non-tech employees. Scaled team to 17 employees.
  • Architected, designed, and implemented the back- and front-end, including the inventory integration pipeline, using apartment matching algorithms and several Django-based microservices.
  • Set up and maintained cloud infrastructure (AWS) and CI/CD pipeline.
Technologies: Python, Django, React, Amazon Web Services (AWS), PostgreSQL, PostGIS, AWS Lambda

Lead Developer

2012 - 2018
Freie Universität Berlin
  • Headed the technical development for INTEGRATION (a sub-project of the nationwide, government-funded research initiative MiKlip, the decadal climate prediction project).
  • Conceptualized and aided in the technical realization of a central evaluation system for decadal climate predictions ("FREVA"), which has been implemented internationally at various research institutes.
  • Programmed the Django-based website to access the evaluation system running on a high-performance computer through the web (https://www-miklip.dkrz.de).
Technologies: MySQL, Apache Solr, React, Django, Python

Full-Stack Engineer (Django/React)

2016 - 2017
Findsy (via Toptal)
  • Integrated Dropbox API v2 including authentication into a Django back-end.
  • Implemented the asynchronous syncing of a Dropbox folder using Celery and Redis.
  • Developed an asynchronous image search using different third party APIs and Celery.
  • Developed a REST API based on the Django REST framework.
  • Developed a single page front-end using React.js and Redux.
Technologies: Amazon Web Services (AWS), PostgreSQL, Redux, React, Redis, Celery, Django REST Framework, Django, Python

Co-Founder

2011 - 2016
WGcast GmbH
  • Created the foundation for a real estate platform for students (www.wg-cast.de).
  • Conceptualized and programmed the website.
  • Developed the back-end using Django and Django REST.
Technologies: Zend Framework, PHP, MySQL, PostgreSQL, Redux, React, Django, Python

Cleverflight GmbH

Conceptualized and programmed the website including the payment system.

Interpreteer

Developed a REST API using Django and Django REST.

Languages

Python, PHP, Bash, R, JavaScript, Solidity, C++, Go

Frameworks

Redux, Django REST Framework, Django, Bootstrap 3, Zend Framework, Truffle, Express.js

Libraries/APIs

React, Node.js, Web3.js, jQuery UI, jQuery

Tools

PyCharm, Git, GitHub, Apache, Apache Solr, WebStorm, Celery, Webpack, Jenkins, MATLAB

Paradigms

Object-oriented Programming (OOP), Test-driven Development (TDD), MEAN Stack, Behavior-driven Development (BDD), Microservices

Platforms

AWS Lambda, Linux, Amazon Web Services (AWS), Blockchain

Storage

PostgreSQL, PostGIS, MongoDB, MySQL, Redis

Other

Ethers.js

2012 - 2016

Ph.D. in Climate Modeling & Meteorology

Freie Universität Berlin - Berlin, Germany

2005 - 2011

Diploma in Physics

University Heidelberg - Heidelberg, Germany

JUNE 2022 - PRESENT

Redis Certified Developer

Redis SG

JUNE 2022 - JUNE 2025

AWS Certified Solutions Architect – Associate

Amazon Web Services

FEBRUARY 2022 - PRESENT

Blockchain Developer Nanodegree

Udacity

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