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Basics

Name Alexander Paul Wansiedler
Label Senior Full Stack/Web3/DevOps Software Engineer
Summary Accomplished and results-driven Senior Web3/Full-Stack Engineer with over 20 years of experience in software engineering, DevOps, and system architecture across industries, including web3, digital media, finance, and IoT. Skilled in designing and implementing robust architectures and scalable CI/CD pipelines, with a strong agile focus on big data, zero-party data collection, user-friendly frontends, and high-performance backends. Experienced mentor in TypeScript, Python, and Rust, architecture, SOLID, and agile principles.
Telegram wansiedler (click me)
Email [email protected](click me)
Phone +49 176 241 64 141(click me)
Location Munich, Bavaria
Profiles https://linktr.ee/wansiedler

Skills

Frontend Development
FSD/Module Federation with TDD
TypeScript in React (TanStack Query/SWR, Chakra UI, Material-UI, shadcn)
Angular
Vue.js (Pinia, Vue-query, Quasar/Nuxt.js)
Webpack/Vite/Rollup/bun
WebAssembly
Node
Microservices in TypeScript/Node.js/Next.js/Express/Fastify
RESTful APIs/WebSockets
Python
FastAPI
Django
Flask
Golang
Gin
Rust/Solidity for Blockchain
Solana
Mucho
Anchor
Fuzz
Zest
ethereum
OpenZeppelin (Solidity, Vyper)
Foundry
Truffle
Hardhat
Arbitrum (Stylus)
Reth for Optimism/Polygon/Binance Smart Chain/StarkNet
Aptos (Move SDK)
SUI
Fantom
Flow
Near
Polkadot
TON (Telegram Open Network)
DevOps & Infrastructure
Docker
Kubernetes
GitLab CI/CD/GitHub Actions
Terraform
Ansible
Prometheus
Grafana
ELK Stack
AWS(Lambda, RDS, ECS)/Google Cloud/Azure
Heroku/Netlify/Vercel
Cloudflare
Nginx/Apache
Databases/MB&DS
PostgreSQL/MySQL/MariaDB
ElasticSearch/MongoDB/ClickHouse
GraphQL
Redis/Apache Kafka/RabbitMQ
Firebase
S3

Work

  • 2025.04 - Present
    Senior Full-Stack / DevOps
    Navflex
  • 2021.02 - 2025.03
    Senior Full Stack Software Engineer / DevOps
    Ippen Digital Media GmbH
    Lead development for zero-party data collection and big data applications, building scalable microservices, enhancing data pipelines, and integrating frontend frameworks.
    • Architected and implemented a scalable elastic microservices-based backend and frontend system for the zero-party data collection platform from scratch, leveraging Node.js with transitioning from Express/Sequelize to Fastify/Prisma, transitioning Django to FastAPI/SQLAlchemy, and Rust/Warp.
    • Utilized ElasticSearch, S3, Apache Kafka, PostgreSQL, and Redis for optimized backend solutions.
    • Designed and managed Kubernetes clusters on AWS ensuring high availability, security, and scalability.
    • Developed CI/CD pipelines with GitLab CI/CD, Docker, and Kubernetes, automating application deployments optimized for agile workflow.
    • Monitored systems with Prometheus and Grafana.
    • Integrated ArgoCD/FluxCD to streamline GitOps workflows, ensuring seamless application lifecycle management within Kanban.
    • Built and optimized frontend applications using TypeScript with React, React Query, Next.js, Material UI, and Chakra UI.
    • Integrated Preact/Vite, Solid.js, TDD (Jest, Loki, Cypress, Playwright), and Redux with sagas for state management. Angular/Universal with RxJS
  • 2018.11 - 2021.02
    Senior Full Stack Software Engineer / DevOps
    Lexx Software Co. Ltd.
    Developed and managed a high-concurrency crypto-trading platform supporting thousands of assets.
    • Architected a trading terminal managing thousands of cryptocurrency assets, ensuring high concurrency and resilience.
    • Managed cloud infrastructure using Docker Swarm and Kubernetes, ensuring robust deployments.
    • Automated workflows using Python and Bash, aligned with GitOps principles.
    • Designed backend architecture using Golang, Node.js, PostgreSQL, and Redis within Docker/Docker Swarm environments.
    • Developed sophisticated Telegram Bot APIs.
    • Led frontend team with TypeScript and Angular (NgRx), transitioning to Vue.js/Nuxt.js and Vuex to Pinia for state management.
  • 2016.10 - 2018.10
    CTO
    esave AG
    Led the integration of Swiss IoT street lighting systems, managing cross-functional teams and technical documentation.
    • Oversaw hardware/software integration and deployment processes
    • Managed server infrastructure and developed backend systems for IoT street lighting systems
    • Coordinated cross-functional teams and produced technical documentation
    • As the CTO of eSave AG, I drive the company’s technological vision, ensuring the development of cutting-edge, scalable, and efficient solutions that empower businesses to optimize energy management and sustainability efforts. With over 20 years of experience in software engineering, system architecture, and DevOps, I specialize in designing and implementing high-performance systems that handle large-scale data processing, automation, and IoT integration. My career has spanned leadership roles across multiple industries, including digital media, finance, and industrial IoT. Prior to joining eSave AG, I played a pivotal role in building robust infrastructures, leading agile development teams, and deploying mission-critical applications. My expertise includes TypeScript, Node.js, Python, Kubernetes, cloud-native architectures, and blockchain technologies, allowing me to drive innovation and efficiency at scale. At eSave AG, I am committed to advancing technological excellence by fostering a culture of collaboration, mentoring engineering teams, and implementing state-of-the-art development and DevOps practices. My focus is on delivering sustainable, data-driven solutions that help our clients optimize their energy consumption, reduce costs, and achieve their environmental goals.

Certificates

Education

Languages

German
C1-C2
English
C1-C2
Chinese
B1