Christian Lohr
Curriculum Vitae

Personal information

Date of birth 1989/12/14
Nationality German
Current residence Lucerne, Switzerland
Working experience
Lead Software Engineer (2023)
VolumeFinance

Supporting an open source web3 project focussing on fast, secure and reliable cross chain message support, custom job scheduling and platform support for building decentralised AI on chain.

Go
Protocol Buffers
Rust
Web3
Distributed Computing & Consensus
CosmosSDK
Terraform
Head Of Technology, Co-Founder (2021 — 2023)
ValutaChange

Responsible for leading and supervising my team of gifted engineers along the creation of a brand new greenfield online platform for digital asset management and payments. Hands on engineering includes all flavours of distributed services tech disciplines: software engineering, cloud architecture, devOps, and SRE.

Primary challenges faced with every day consist of high performance, tamper-proof ledger technology, integration of various payment service providers, designing hollisticly applicable API specifications, hardening exposed components & minimising attack surfaces.

Adminstrative tasks include department staff management, recruitment, budget planning, expectation management, technical assessment of external partners as well as addressing stakeholder communications, reporting on goals, risks, KPIs and other metrics.

Leadership
Distributed Services
Monitoring & Alarming
Business insights
Go
Rust
PostgreSQL
OpenAPI
Amazon Web Services
Kubernetes
Helm
Terraform
Redis
NATS.IO
gRPC
Freelance IT-Consultant (2021 — present)
Bytewerk

Taking the next step in my career, sharing my knowledge of over 15 years of professional software engineering by providing a wide range of IT services to clients around the world, including design, architecture, engineering, project management, data migrations, API implementations, staff training, security audits & more.

Service Provider
Software Design
Software Architecture
Software Engineering
Web Development
App Development
Project Management
Data Migrations
Training
Reviews
Audits
Lead Software Engineer, Engineering Manager (2018 — 2022)
EF Education First

Creating a brand new global scale web service for thousands of teachers throughout the world. Responsible for system architecture, design and testing of distributed services and asynchronous communications from the ground up.

Dealing with maximum uptime, hardening public APIs, distributed global data storage, fast response times, performance optimised data access, business logic, data analysis and redundant integration with multiple global services.

Working on tight deadlines in an agile team around the globe, delivering performant and secure code. Leading and inspiring my team of gifted engineers, guiding their personal and professional growth, building an atmosphere of trust and collaboration to ensure maximum team performance against measurable KPIs.

Leadership
Distributed Web Services
Monitoring & Alarming
Business insights
Go
Kotlin
CockroachDB
PostgreSQL
OpenAPI
Amazon Web Services
Kubernetes
Redis
Apache Kafka
NATS.IO
gRPC
Senior Software Engineer (2017 — 2018)
EROWA AG

Responsible for architecture, design and testing of modular robotics and automation software. Design and implementation of device communication protocols on OpcUA and PowerLink, client-server communication, data validation and integrity, scheduling and more.

Leadership
.NET/C#
.NET Core
ASP.NET
WPF
WCF
NInject
Microsoft SQL Server
Software Engineer (2013 — 2017)
Ganshorn Medizin Electronic GmbH

Responsible for software architecture design of modular respiratory diagnostics software. Design and implementation of device communication protocols, third party communication APIs, custom DRM systems, web services and more.

.NET/C#
WPF
ASP.NET
EntityFramework
Unity
PRISM
JavaScript
TypeScript
Microsoft SQL Server
Software Engineer (2010 — 2013)
Ergosoft GmbH

Software design, implementation and maintenance of medical office management software. Design and implementation of third party communication APIs. Planning and rollout of agile software development.

.NET/C#
WPF
WinForms
Working student (2009 — 2010)
Diabetes Centre GmbH

Assistant member of IT department, network infrastructure maintenance, mass rollout of new software and communication systems in medical environment.

VBS
WinForms
Citrix
Windows Server 2008
Debian
Education
Skill Certificate: Teamwork & Collaboration (2020)
Hult Skill Accelerator

12 Weeks, 3 U.S. Academic Credits

B.Sc. in Applied Computer Science (2013)
Baden–Wuerttemberg Cooperative State University

Thesis: Design, analysis and rollout of an IT project management system.

Cambridge Certificate in Advanced English (2009)
Workshop

Cambridge ESOL Level 2 Certificate.

High School Degree (2007)
Menasha High School, Menasha, 54952 WI, USA

Exchange student program.

My Technology Stacks
Go
C#
JavaScript
Rust
TypeScript
C
C++
PHP
Python
Dart
Basic
Ruby
Kotlin
Java
Rust
.Net
WPF
ASP.NET
LINQ
NodeJS
ReactNative
MeteorJS
Flutter
HTML5
CSS3
SemanticUI
TailwindCSS
CockroachDB
PostgreSQL
Distributed Computing Systems
Blockchain
Microsoft SQL
MySQL
MongoDB
Kubernetes
REDIS
Message Queues
AWS
GCE
(A/B)TTD
SCRUM
KanBan
Gamification
XP
FDD
Social skills

Involving
Building an atmosphere of trust and collaboration to ensure a healthy team performance.

Evolving
Organising hackathons, coding dojos and brown bag lunches.

Sharing
Training in leadership, intercultural communication and collaboration.

Freelance achievements
Language
German (native)
English (fluent written & spoken)
French (basic)
Spanish (basic)
Commitments
Tabletop, pen & paper and video gaming

I love making my own little games, whether its a rushed weekend project for Ludum Dare or extending my skills using Blender, Photoshop,the Substance Suite, Unreal and Unity Engine - but I also love playing them!

Engineering & Hacking

Spending time with technology is one of my favorite hobbies, from hacking my Christmas lights and keyboard to writing my own bots and web services.

Aviation and space travel

Currently aquiring my PPL-A in a Cessna 172 and D40, I like to read all things related to air and space travel.

Geocaching

Setup and maintenance of multiple traditional and mystery caches, active caching mostly during vacations.

Contact me