Johannes FritschTechnical Point Guard
I started my journey into tech in the early 2000s. Became a freelancer at age 18. Started my first company in 2012.
Today I am the CTO of Liquiditeam.
I started my journey into tech in the early 2000s. Became a freelancer at age 18. Started my first company in 2012.
Today I am the CTO of Liquiditeam.
Fields of expertise
Over many years I was able to work with a multitude of different technologies that define how I build software and development processes.
React, React Native and PWAs are the key technologies, that I use myself, when developing interactive experiences on web and mobile.
ReactReact NativeWorkboxNext.jsGatsbyJavaScriptTypeScript
Scaling web applications and APIs to millions of requests per minute requires orchestration of large numbers of servers. Kubernetes and Docker are my tools of choice.
DockerKubernetesAnsiblek3sContainerdUbuntu/DebianCentOSAlpine
I am well versed in the principles of modern blockchain technologies. I implemented most of the concensus algorithms myself to obtain a deeper understanding.
EthereumGethSolana
Git and Continuous Integration/Delivery are at the core of every development process. I believe in automating the whole process from building to testing to delivery.
GithubGitlabGitlab CICircle CI
APIs are the core of modern software development. Modern APIs have to be easy to understand, consistent and strongly typed. GraphQL is a leading tech in my stack.
RESTGraphQLTypeScriptGolangRustPostgresMySQL
Indexing large amounts of data, generating information and provide intuitive search and filtering capabilities is a crucial task for software products.
ElasticsearchN-GramOptimization
Be an integral part of the dev team. Don't be afraid to get your hands dirty. You can lead a process that you don't fully grasp.
LeadershipHands-OnTeamworkTeam Huddles
Software development should always be fun. It's our task as tech leaders to make sure that young talents don't get frustrated in the process.
TeamworkPair ProgrammingMentoring
Always monitor upcoming technology. Not to introduce every new fad, but to be able to predict the general direction an industry is heading.
Keep upWithTechffs
Hiring competent people for key positions is a key factor for the success of any company. Years of experience help me find the right candidates.
PrototypingFunctional programming
A deep understanding of the technology in use is key in order to prepare tech decisions effectively. Also we must evaluate alternatives thorougly.
Feasibility AnalysisResearch
When startups mature they begin to focus on software architecture and stabilize their tech stack. I help with years of experience in combining tech.
BPMNProcessesArchitecture
Over the years I built some projects. These are not client references, but stuff I built myself or as part of an employment.

Founder
SchwimmApp is a solution for public baths that allows for tracking visitors and informing health authorities during the Corona crisis.

Founder
BesucherApp is based on the same technology as our popular SchwimmApp. It targets many more businesses like trade fairs or large events.

Founder
Podbits allows you to share your favourite parts of any podcast. I built this out of personal necessity in 2021.
Key stations of my career
Early stage
Freelancing
Zoom7
Startups