Lars Fronius, Developer in Berlin, Germany
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Lars Fronius

Verified Expert  in Engineering

Serverless Developer

Berlin, Germany

Toptal member since May 23, 2019

Bio

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.

Portfolio

Cloudbees Inc
Amazon Web Services (AWS), Docker, GoLand, Go
SysEleven
Ansible, Python, OpenStack
Inbot
Amazon Web Services (AWS), Elasticsearch, Java

Experience

  • Amazon Web Services (AWS) - 8 years
  • Continuous Integration (CI) - 7 years
  • DevOps - 7 years
  • Serverless Architecture - 3 years
  • Serverless - 3 years
  • AWS Lambda - 3 years
  • Go - 2 years
  • AWS Certified Solution Architect - 1 year

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

Experience

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.

Certifications

DECEMBER 2018 - DECEMBER 2021

AWS Certified Solutions Architect - Associate

Amazon

Skills

Tools

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

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

Languages

Go, Java, Ruby, Python, SQL, PHP

Frameworks

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

Storage

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

Other

AWS Certified Solution Architect, Serverless, Agile Software Testing

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