03.11.2025 aktualisiert

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100 % verfügbar

Lead Engineer, Software Engineer, Web Developer

Neumünster, Deutschland
Weltweit
Msc
Neumünster, Deutschland
Weltweit
Msc

Profilanlagen

cv_julian_koehn_2025.pdf

Skills

HTMLJavaScriptPHPAmazon Web ServicesMicrosoft AzureC++UbuntuCSSCloud ComputingContinuous IntegrationWeb EntwicklungEcmascriptGitHubProtocol BuffersPostgreSQLNode.jsAnsibleNext.jsRust (Programming Language)Google CloudReact.jsBackendGitGitlab-CiKubernetesLive-StreamingGraphQLContaoFront EndRestful ApisTerraformShopwaregRPCGolangMicroservices
Cloud

AWS, Azure, Google Cloud, Hetzner, OVH, IONOS

Ops

terraform, GitHub Actions, Gitlab CI, DroneCI, Vault, Infisical, Ansible, CI/CD, helm, kustomize

Backend

REST, GraphQL, GRPC, protobuf, Golang, C++, Rust, PHP, Node

backend, CSS, Contao, ES6, frontend, Git,HTML, Kubernetes, live streaming, microservices, graphql

Next.js, PHP, PostgreSQL, React, JavaScript React, Shopware, Ubuntu, Web Developer, web development

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit2010

Sprachen

DänischGrundkenntnisseDeutschMutterspracheEnglischverhandlungssicher

Projekthistorie

Software Architekt

Kopexa
Entwicklung, planung und umsetzung einer cloud-native ISMS Platform.
Entwicklung von Opensource UI Kit
Entwicklung von Backend & Frontend.

Frontend: Typescript, tailwindcss, react, nextjs
Backend: Go, Graphql, Postgres, NATS, Riverqueue

Software Architect, PO

T-TCompany

Konsumgüter und Handel

10-50 Mitarbeiter

Storymapping & Planung eines micro-ecommerce Systems als Individuallösung für Berufsbekleidung.
Eine Nachhaltige (Green-IT) Lösung für das Bestellen von Berufsbekleidung. Als Serverless Architectur, mit Serverless PostgreSQL. Basierend auf PERN-Stack.

Cloud Architect

IONOS

Internet und Informationstechnologie

>10.000 Mitarbeiter

Architectur für ein Cloud Product bei einem renomierten Deutschem Cloud Provider. Schwerpunkt auf Kubernetes Operatoren, planung und Architectur der Services & Integration der Public API.

Boarding der Teams, Coaching, Documentation & Integration planning

CTO

teamspiel GmbH
teamspiel GmbH, Neumünster
I have developed a system for a client to transform o©ine events into hybrid
events, including a media library and live streaming. Tech stack: Go, React,
Next.js, TypeScript, AWS, Kubernetes, CI/CD. I have also developed, planned,
and integrated the development of a digital signage system for Mode-
Centrum Hamburg. Tech stack: Go, React, TypeScript, Ubuntu Core,
Snapcraft. Furthermore, we designed a survey platform for Bestmed 360 for
conducting medical surveys among employees. This system is now being
used by several professional associations. Tech stack: Git, Go, React,
TypeScript, Kubernetes, CI/CD.

Lead Engineer

knk AG
knk AG, Kiel
I have led and coached a team for the development of a headless CMS for
the publishing industry. Tech stack: Go, Kubernetes, React, TypeScript, Git,
NATS. As of today, KNK is a client of mine (Freelance).

Web Developer

REGIOCAST GmbH & Co. KG
REGIOCAST GmbH & Co. KG, Kiel
Terraform modules, GitLab CI Pipelines, Golang based Web-Backend to store
Radio Track Schedules.

Software Engineer

kikmedia web.developement
kikmedia web.developement, Kiel
Developing PHP based plugins for the CMS-System "Contao". Back and Frontend
Applications. Most common languages: Co, TypeScript (ES6), and PHP,
GitOps.

CEO

Classy Vaper LTD
Classy Vaper LTD, London
"Planning the production of e-liquids and sourcing e-cigarettes from China,
along with the development of DHL Live Tracking APIs to enhance customer
experience. Additionally, managing and further developing Shopware plugins
and creating GRPC microservices (Go) for service-to-service communication
between WMS, frontends, and marketplaces.

Kontaktanfrage

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