sebastian thum
sebastian thum

software engineer | technical consultant

cv

check24

technical lead

apr 2025 - present

primarily focused on system architecture and infrastructure for agent-based customer service systems.

team lead

apr 2023 - mar 2025

led a team of up to 14 engineers with responsibility for internal backoffice and payment applications.

associate team lead

oct 2021 - mar 2023

supported team leadership and led the implementation of a centralized, highly available internal payment platform.

senior software developer

apr 2019 - sep 2021

contributed to architecture, built and maintained internal services and APIs, improved code quality and development processes.

software developer

oct 2016 - mar 2019

developed and modernized backend and frontend features for the internal backoffice platform with a strong focus on data and performance.

dwinity

technical consultant

mar 2024 - present

working on graph-based data models and embeddings for decentralized and privacy-focused digital twin systems.

sewobe ag

software developer

aug 2013 - sep 2016

built full-stack web business software and established modern development workflows and tooling.