Jasmin G.

Cloud Developer & DevOps Engineer

Sankt Gallen, Austria

Experience

Nov 2022 - Feb 2024
1 year 4 months
Karlsruhe, Germany

Cloud Developer & DevOps Engineer

Energieversorgungsunternehmen in Karlsruhe

  • Further development of microservices (Go, .NET)
  • Extension of gRPC APIs
  • Management of Kubernetes clusters (AKS)
  • Maintenance of the system landscape
  • Migration of Azure App Services to Kubernetes
  • Creation and expansion of Azure Pipelines
  • Created a microservice in Go to receive and send events from Azure Service Bus
  • Integration of KEDA (autoscaling)

Technologies used:

  • Go, .NET, Azure Portal, Terraform, Kubernetes, Helm, MongoDB, Jaeger, Grafana
May 2022 - Nov 2022
7 months

Backend Developer

SAP SE

  • Extended the internal CLI to support developers
  • Delivered the CLI via Homebrew
  • Integrated and extended the Azure pipeline
  • Integrated services into Kubernetes

Technologies used:

  • Go
  • Homebrew
  • GraphQL
  • ElasticSearch
  • Git / Github
  • Azure DevOps, Kubernetes
Mar 2022 - Sep 2023
1 year 7 months

Cloud Native Engineer

radio.de GmbH

  • Created and improved Lambdas and services
  • Managed and automated the AWS infrastructure
  • Set up gRPC communication between services
  • Created, optimized, and managed GitLab CI/CD pipelines
  • Migrated the MySQL database to PostgreSQL
  • Optimized search results with ElasticSearch
  • Implemented synonyms in ElasticSearch
  • Configured and deployed services in ECS
  • Migrated ECS services to Kubernetes (EKS)

Technologies used:

  • Go, Git / Gitlab CI, AWS, ElasticSearch, Terraform, Docker, Redis
Sep 2021 - Dec 2021
4 months

Backend Developer

Northern Data Software GmbH

  • Enhanced existing services
  • Developed new REST APIs
  • Expanded unit tests (Jest)

Technologies used:

  • Go, Node.js (hapi), Swagger
  • MongoDB, Redis
  • Git / Github / Code Reviews
  • Splunk
  • Test-driven development
  • GCP infrastructure, Docker
Jan 2021 - Apr 2022
1 year 4 months

Fullstack Developer

enercity AG

  • Enhanced the internal Angular platform

  • Connected microservices using a Swagger API client

  • Enhanced the integration layer to connect third parties using Node.js

  • End-to-end tests with Cypress

  • Deployment

  • Implemented and enhanced new microservices in Go

  • Developed an internal CLI

  • Developed REST/SOAP APIs

  • Expanded unit and integration tests

  • Adjusted and expanded the CI/CD pipeline

  • Created Kubernetes manifests and integrated them into backend services

  • Maintained AWS infrastructure

Technologies used:

  • Go, Angular 11, Typescript, Node.js (loopback), Swagger
  • PostgreSQL, MySQL
  • Git / Github / GitHub Actions / Code Reviews
  • Kubernetes (EKS), Kustomize, Jenkins, Drone, Docker, Terraform, AWS infrastructure
  • Dynatrace
  • JIRA, Papertrail
Apr 2020 - Jun 2021
1 year 3 months

Fullstack Developer & Cloud Native Engineer

SAP SE

  • Developed a new dashboard to prepare and display hyperscaler data (AWS, Azure, GCP) in a serverless architecture

  • Built it with ReactJS and had it communicate with the Go backend via Swagger (API client)

  • Implemented SAML/SSO authentication through a Node.js backend that routes ReactJS content externally

  • Implemented user management through a secure admin area to handle hyperscaler data

  • Created and maintained the CI/CD pipeline

  • Maintained GCP infrastructure with Terraform

  • Enhanced the Go-based crawler for automated collection of AWS, Azure, and GCP data via their SDKs

  • Expanded the Swagger API to improve data exchange between front and backend

  • Increased the crawler's parallelism to reduce runtime

  • Managed GCP infrastructure

  • Created and maintained the CI/CD pipeline

  • Maintained GCP infrastructure with Terraform

Technologies used:

  • Go, Python, React, Node.js (Express), Swagger, Firestore
  • Google Cloud Platform SDKs of AWS, Azure, GCP, Docker
  • Git / Github / GitHub Actions / Code Reviews
  • Terraform, Docker, GCP infrastructure
Jan 2017 - Dec 2020
4 years

Developer & DevOps Engineer

Hewlett Packard Enterprise

  • Developed and enhanced an event platform (React.js) for a conference management system

  • Implemented participant registration functionality

  • Communicated with the backend via RESTful API

  • Implemented a live chat (front end)

  • Maintained the GitLab CI/CD pipeline

  • Implemented and enhanced a conference management system in Go

  • Implemented a load-balancing algorithm to optimally allocate people, conference rooms, and time slots across multiple time zones

  • Implemented live chat with WebSockets

  • Automated generation of participant time slots

  • Created and maintained the GitLab CI/CD pipeline

  • Configured servers with Ansible

Technologies used:

  • Go, Python, Perl, React.js, Bootstrap,
  • PostgreSQL, Redis,
  • Git / Gitlab
  • Jenkins, Prometheus, Ansible, CI/CD Pipeline
Jan 2017 - Jul 2017
7 months

Fullstack Developer

Dissectix UG

  • Developed a new dashboard (JavaScript) to configure and manage the bot manager

  • Connected the RESTful API for backend communication

  • Implemented backend modules (Go) to configure the bot manager: domains, server settings, disk encryption, and bot initialization

  • Developed a tool (Bash, Go) that replaces the existing TTY and is used only to control the bot manager. It accepts parameters like node IP, node gateway, DNS server, and node type

Technologies used:

  • Go, Bash, JavaScript, Bootstrap
  • PostgreSQL,
  • Git / Gitlab
  • Jenkins, CI/CD Pipeline

Summary

Many years of experience in developing back- and front-end applications, as well as creating/managing their infrastructure. Implementations follow the latest standards and are done with high quality.

Languages

German
Native
English
Advanced

Education

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Bachelor of Science · Science

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