Albin Sebastian Mörner, Software Developer in Mexico City, Mexico
Albin Sebastian Mörner

Software Developer in Mexico City, Mexico

Member since September 16, 2018
Sebastian has been coding professionally since 2012 and as a full-stack web developer since 2014. He is a digital nomad currently traveling the Americas. He has worked in both a two-man team on a shoestring budget and at a unicorn startup with legions of developers. He believes in clear communication and ownership, thinks that resources should be allocated wisely, and value creation placed first.
Albin is now available for hire


  • Decerno, Fastighetsbyrån
    Webpack, Less, Tailwind CSS, Redux, React, AngularJS, Angular, TypeScript...
  • Klarna, Swagger, Jest, Redux, React Native, TypeScript, Node.js
  • Quickspin
    React, Git, Maven, TypeScript



Mexico City, Mexico



Preferred Environment

Visual Studio Code, Vim Text Editor, VS Code, Hyper

The most amazing...

...project I’ve built was a substitute teacher platform, which I took from the pitch, prototype, user interviews, and development through to production.


  • Full-stack Developer

    2017 - 2020
    Decerno, Fastighetsbyrån
    • Developed a system used by 1,800 realtors at 270 offices to sell property for $10 billion yearly. Features include CRM, contracts, bidding, EU compliance, and creating listings. Angular, AngularJS, TypeScript, Less, Webpack, ASP.NET 4.x, and SQL Server were used.
    • Created the advertisement site for Sweden's largest real estate agency usinig React, Tailwind CSS, and ASP.NET Core.
    • Ensured compliance with EU regulations (GDPR, anti-money laundering).
    • Refactored and promoted best practices when using Typescript, Angular, React, and C# among the developers.
    • Migrated a massive AngularJS app to Angular.
    • Created web applications that help sellers and buyers understand, feel comfortable with, and efficiently go through the process of selling and buying their home to alleviate the pressure on realtors to deal with support issues, and strengthen the USP of the agency. React, Redux, ASP.NET Core, and SQL Server were used.
    • Worked third line support and fixed critical production bugs with major business implications.
    Technologies: Webpack, Less, Tailwind CSS, Redux, React, AngularJS, Angular, TypeScript, Entity Framework, Microsoft SQL Server, ASP.NET, .NET Core, .NET, C#
  • Full-stack and App Developer

    2018 - 2018
    • Added support for payments in the US and UK to facilitate the app launch in those markets.
    • Introduced card payments to Klarna app users in Norway.
    • Developed post purchase payments.
    • Worked on the payment feature in a fintech React Native app with over one million users.
    • Developed Node.js services in TypeScript for handling payments.
    • Improved upon tooling used by 100+ developers.
    • Added Cypress tests to payment features.
    Technologies:, Swagger, Jest, Redux, React Native, TypeScript, Node.js
  • Front-end Developer

    2016 - 2016
    • Responsible on clients end for three way integration with stakeholders in three different continents to enable clients games being launched at the PokerStars casino platform using.
    • Developed tooling for QA with React and TypeScript.
    • Migrated video slots from Flash to Canvas/WebGL.
    • Worked on improving core libraries written in TypeScript.
    • Assisted in move from SVN to Git and introduced Git Workflow.
    Technologies: React, Git, Maven, TypeScript
  • Full-stack Developer

    2014 - 2016
    • Prototyped, pitched, and created an enterprise application for matching and assigning substitute teachers to incoming requests. Technologies used were .NET Core, SQL Server, Angular.js, Node.js, and Socket.IO.
    • Created simple websites for clients using WordPress and PHP.
    • Created a Cordova app for the App Store and Google Play.
    Technologies: Socket.IO, Node.js, Swagger, Cordova, Microsoft SQL Server, PHP, WordPress, AngularJS, .NET
  • Desktop Application Developer

    2013 - 2014
    Wahlstedt Sageryd Financial Systems
    • Developed EU compliance work for hedge funds.
    • Added a two-factor login by calling Twilio from a stored procedure in SQL Server.
    • Worked on an asset management system used by hedge and pension funds.
    Technologies: Microsoft SQL Server, Delphi


  • Quiz App (Development)

    A multiplayer quiz app written with React, TypeScript, Node.js, and GraphQL deployed on AWS.

  • Insurance Scraper MVP for Startup (Development)

    I built a service that fetched the users' current insurance through web scraping and bank ID identification, then presented their existing coverage in an accessible manner. React, Selenium, Node.js, AWS.

  • Swedish Game Awards 2012 (Other amazing things)

    As a student, I was in charge of the 2012 edition of the Swedish Game Awards—a game development competition for students. I raised $50,000 in sponsorship and held a conference with over 200 participants, along with the Swedish minister of culture, and representatives from a significant part of the Swedish game industries as speakers.

  • Product Discovery Prototype (Development)

    I developed a prototype for a tool used for learning about machines and power tools for one of the largest construction companies in the Nordics. I conducted user interviews, collaborated with designers, and did technical due diligence to probe for potential future features. The project was greenlit.


  • Languages

    JavaScript, TypeScript, CSS, C#, T-SQL, HTML, C#.NET, SQL, SCSS, Less, PHP, Delphi, GraphQL
  • Libraries/APIs

    React, Node.js, REST APIs, Entity Framework, Socket.IO, React Redux
  • Tools

    Git, VS Code, Vim Text Editor, Webpack, Maven, Amazon CloudFront CDN
  • Other

    Front-end, APIs, Back-end, Full-stack, RESTful APIs, Hyper, Prototyping, AWS, Web Scraping, Pub/Sub
  • Frameworks

    Angular, .NET, .NET Core, AngularJS, Tailwind CSS,, Cordova, ASP.NET, Express.js, Redux, React Native, Swagger, Jest
  • Paradigms

    REST, Functional Programming
  • Platforms

    Visual Studio Code, WordPress, AWS EC2, Amazon Web Services (AWS)
  • Storage

    Microsoft SQL Server, PostgreSQL, AWS S3, Redis, MongoDB
  • Industry Expertise



  • Bachelor of Science degree in Computer Science
    2020 - 2023
    University of London - Remote (London, UK)
  • Coursework in Engineering
    2009 - 2012
    Royal Institute of Technology - Stockholm, Sweden

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