Karl Söderström

AWS Solutions Architect and Full-stack Engineer

karl@karlunlimited.se
+46 (0)706 123932
github.com/ksoderstrom
linkedin.com/in/ksoderstrom

A certified AWS Solutions Architect with 20+ years of experience in software development and architecture, who also enjoys getting hands-on in the code. Has a proven record of successfully working cross-functionally to make sure the software aligns well with the product and better serves user needs.

Skills

Infrastructure and Tools: AWS, Serverless, IaC, CDK, DevOps, Git, Docker, Kubernetes, Helm, Ansible
Programming: Typescript, JavaScript, C, Objective-C, Swift, Rust, Ruby, Bash
Databases: PostgreSQL, MySQL/MariaDB, AWS DynamoDB, MongoDB, Redis
Frameworks: React, React Native, Cocoa, Ruby on Rails, Express

Work Experience

Karl Unlimited, Lund (2020 – current)

Freelance AWS Solutions Architect and Full-stack Engineer

Assignments:

• Plexian (2020 – 2023)
  Served as technical lead, architect, and full-stack engineer within a team tasked with developing a serverless backend system and app for a prepaid VISA card. Key contributor from conceptualization to delivering the physical card to users, closely collaborating with design and business development teams.
  
  Technologies: AWS, Serverless, IaC, Typescript, Rust, React Native

Code & Design, Malmö (2011 – 2020)

Partner and Senior Developer

Operated as an architect and software engineer, tackling projects ranging from backend and databases to web and mobile applications. Selected projects and roles include:

• Mobile app to help children with eating disorders through story-telling
  Responsibilities: iOS engineer
  Technologies: Swift, Cocoa

• SaaS for quality improvements in education
  Responsibilities: Architect and head engineer
  Technologies: Ruby on Rails

• Marketing network for influencers
  Responsibilities: Architect and head engineer
  Technologies: Ruby on Rails

• SaaS generating consumer insights based on data mining social networks
  Responsibilities: Architect and head engineer
  Technologies: Ruby on Rails

• Mobile app that documents everything in a newly built house or apartment
  Responsibilities: Architect and full-stack engineer
  Technologies: Ruby, React Native

• Service for multi-player games on large screens
  Responsibilities: Architect and full-stack engineer
  Technologies: Node.js

• Mobile apps for multiple children’s books
  Responsibilities: iOS Engineer
  Technologies: Objective-C, Cocoa

• Mobile dating app
  Responsibilities: Architect, backend and iOS engineer
  Technologies: Ruby on Rails, Swift, Cocoa

• Location-based social network
  Responsibilities: Architect, backend and iOS engineer
  Technologies: Serverless Framework, Node.js, Swift, Cocoa

• Mobile app to record downhill skiing sessions
  Responsibilities: iOS Engineer
  Technologies: Objective-C, Cocoa

• Mobile app to streamline pickup of rented yacht
  Responsibilities: Architect and full-stack engineer
  Technologies: Ruby on Rails, React Native

• Mobile geography guessing game
  Responsibilities: Architect and full-stack engineer
  Technologies: Ruby on Rails, Objective-C, Cocoa

Sony Ericsson, Lund (2003 – 2010)

• Experience Planner (2010)
  Worked as a Strategic Product Manager within the areas of messaging, communication, productivity, and i18n

• Application Planner (2009 – 2010)
  Worked as a Product Manager within messaging and communication

• Software Engineer – Application Labs (2008 – 2009)
  Finding, refining, and developing software concepts into working prototypes

• Platform Planner (2007 – 2008)
  Responsible for application roadmap, requirements, and standardization within messaging, presence and mobile blogging

• Software Engineer (2003 – 2007)
  Lead developer of instant messaging, presence technologies, and mobile blogging

Certifications

• AWS Certified Solutions Architect – Professional (Certified September 2023)
• AWS Certified Solutions Architect – Associate (Certified October 2020)

Inventor of Granted Patents

• Sophisticated automated relationship alerter
  • US Patent no. US9047743B2 and US10924531B2
• Updating a portable communication device with media files
  • US Patent no. US8290903B2
  • German Patent no. DE602006007480D1

Education

Lund University, Lund (2000 – 2003)

A variety of stand-alone courses within:

• Informatics
• Computer Science
• Business Administration
• Economics
• Economic History