Lars Fronius, Developer in Berlin, Germany
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Lars Fronius

Verified Expert  in Engineering

Serverless Developer

Location
Berlin, Germany
Toptal Member Since
May 23, 2019

Lars has a decade of experience building and running production-grade software. He started with Linux servers and has now transitioned over the past seven years to leveraging cloud services with AWS. He adopted DevOps practices in the early days and is now a serverless advocate. Lars is also experienced with CI/CD and public clouds.

Availability

Part-time

Preferred Environment

Amazon Web Services (AWS), GoLand, Vim Text Editor

The most amazing...

...thing I've built at a hackathon was a data pipeline to visualize global app usage in real-time on a world map on our company's dashboard.

Work Experience

Senior Software Engineer

2017 - 2019
Cloudbees Inc
  • Built and extended Codeship CI platform.
  • Refactored two monolithical apps into unified services.
  • Rebuilt caching and networking infrastructure for builds.
  • Performed major system upgrades.
Technologies: Amazon Web Services (AWS), Docker, GoLand, Go

Platform Engineer

2016 - 2016
SysEleven
  • Created testable SaaS-like hosting platform.
  • Built first self-service onboarding for their Cloud.
  • Coordination of releases across different teams.
Technologies: Ansible, Python, OpenStack

Software Engineer

2015 - 2015
Inbot
  • Created real-time interactions for sales assistant bot.
  • Performed data analysis on Elasticsearch.
  • Rebuilt infrastructure towards a testable self-service platform.
Technologies: Amazon Web Services (AWS), Elasticsearch, Java

Site Reliability Engineer

2013 - 2015
EyeEm
  • Created first data pipeline and search implementation.
  • Migrated infrastructure from unmanaged servers towards a self-service compute platform.
Technologies: Amazon Web Services (AWS), Elasticsearch, MySQL, Amazon EC2, PHP

Self-service (SaaS-like) Platform for Managed Hosting

At a former employer, we set out to rebuild part of their core business, which was a team running a large number of custom websites for web hosting.

We automated component by component, including it's scaling and deployment to move from fairly manual web hosting over to an a lot less hands-on and more automated approach.

Paradigms

Continuous Integration (CI), Continuous Delivery (CD), DevOps, Serverless Architecture, Agile Software Development

Platforms

Amazon Web Services (AWS), AWS Lambda, Linux, Docker, OpenStack, Amazon EC2

Other

AWS Certified Solution Architect, Serverless, Agile Software Testing

Languages

Go, Java, Ruby, Python, SQL, PHP

Frameworks

Gin-Gonic, Serverless Framework, Ruby on Rails (RoR)

Tools

Gorilla, AWS Step Functions, Vim Text Editor, GoLand, Ansible, Terraform

Storage

PostgreSQL, Amazon DynamoDB, MySQL, Elasticsearch, Cassandra, Memcached, Redis

DECEMBER 2018 - DECEMBER 2021

AWS Certified Solutions Architect - Associate

Amazon

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