Björn Klose
Senior Developer
Experience
Jul 2022 - Apr 2024
1 year 10 months Berlin, Germany
Senior Developer
D-Trust GmbH, Teil der Bundesdruckerei-Gruppe
- For use in the secure environment of GEMATIK, we developed web applications and backend services that form the basis for requesting and managing digital doctor ID cards.
- Alongside the highest security standards, the focus was on using up-to-date frontend technologies, easy runtime configuration, and automatic delivery in a microservice architecture via Helm charts and GitLab deployment pipelines.
- Technologies: React, TypeScript, Java, SpringBoot, Docker, Kubernetes, helm, Tailwind CSS, OpenShift
Jul 2021 - Jun 2022
1 year Nuremberg, Germany
Senior Developer
Paessler AG
- For the established IT monitoring company, the existing website was migrated from a custom Python-based CMS to a new Neos CMS on Django.
- In addition to complex workflows for automatic content migration, we created pattern libraries and components for rendering content and developed support systems to better track implementation progress.
- Technologies: PHP, Neos CMS, Flow, Fusion, Docker, MySQL, Tailwind CSS, Python 3, Django, GitLab
Mar 2020 - Jun 2021
1 year 4 months Cologne, Germany
Senior Developer
Healex GmbH
- For a startup in the digital health sector, we built a platform that allows distributed clinical trials to run in parallel at multiple sites.
- Alongside top data security standards through encryption and pseudonymization, we used modern approaches like FHIR for storing health data.
- Technologies: PHP, REST APIs, Symfony, OpenAPI, Vue 3, Quasar, node.js, Docker, Cypress, Storybook
Dec 2019 - Feb 2020
3 months Uelzen, Germany
Senior Fullstack Developer
Automi GmbH
- For an online marketing agency, we developed a social media management dashboard to document, adjust, and analyze campaigns and budgets over time.
- Technologies: TypeScript, Angular 8, RxJS, PWA, Web Workers, GraphQL, Laravel, node.js, git, TDD
Feb 2019 - Nov 2019
10 months United States
CTO
jump HR
- For a recruitment startup, we created an omnichannel messenger to centralize communication between hiring managers and candidates in one interface.
- CRM features and a mobile app complete the package.
- Technologies: TypeScript, React, React Native, Redux, Iguazu, GraphQL, REST, Material Design, node.js
Jul 2018 - Dec 2019
6 months Berlin, Germany
Senior Fullstack Developer
Deutsche Wertstoffbörse
- For a retail company’s startup, we built a platform for trading recycling materials.
- In addition to real-time communication between multiple traders, we focused on automatically bundling offers from different providers.
- Technologies: Typescript, Vue.js, Vuex, WebSockets, vert.x, Infinispan, Kotlin, AWS, REST APIs
Sep 2017 - May 2018
9 months Heilbronn, Germany
Senior Frontend Entwickler
American International Group (AIG)
- For the insurer, we built a web application that allows insurance brokers to issue new contracts online.
- The complex forms for creating quotes were made consistent, user-friendly, and included automatic validation for brokers.
- Technologies: HTML, CSS, Typescript, Angular 4, Material Design, SASS, JSON Schema Forms
Mar 2017 - Aug 2017
6 months Vienna, Austria
Senior Fullstack Entwickler
Boulesse GmbH
- For the Austrian shopping startup, we developed a management panel that lets retailers easily manage their online shop products.
- The simplified but powerful interface allows customers without eCommerce experience to start selling online quickly.
- Technologies: HTML, CSS, JavaScript, Vue.js, React, Gulp, JSP, Spring, Responsive Design
- Tools: Jira, Confluence, Skype
Jun 2016 - Feb 2017
9 months Berlin, Germany
Fullstack Developer
Zalando SE
- With the content marketing team, we built an editor for the Zalando Magazin EDITORIAL to create content quickly, easily, and according to corporate identity and designer guidelines.
- After its success in Germany, the system was rolled out across Europe.
- Technologies: HTML, CSS, JavaScript, Angular 2, React, Responsive Design
- Tools: Google Apps, Sketch, Jira, Skype
Jan 2015 - Mar 2016
3 months London, United Kingdom
interim CTO
Why.QA
- Slack chatbot for distributed teams.
- Sends questions every morning and evening to all team members to track daily progress and mood.
- At the end of each week, automatic reports are emailed to team and department leads.
- Compared to classic surveys, it offers a more pleasant daily experience thanks to interactive dialogues and non-linear conversation flow.
- Technologies: HTML, CSS, JavaScript, Node.js, Lodash, Grunt.js, Backbone.js, Bootstrap 3, MVC, Continuous Integration, Responsive Design, Email Reporting
- Tools: Slack, git flow, Codeship, Trello, Scrum, botkit.ai
Jun 2015 - Dec 2015
7 months Cologne, Germany
Senior Developer
Priotas GmbH
- Online system for employee surveys used by DAX-listed companies, built with Symfony 2 and Angular.js in collaboration with experienced HR consultants.
- Developed a module to send over 50,000 personalized emails in 28 languages, based on complex decision rules and hierarchical assignments.
- Technologies: HTML, CSS, JavaScript, Angular.js, Lodash, Grunt.js, Webpack, Bootstrap 3, Symfony 2, Continuous Integration, Responsive Design, PDF Reports, mass email dispatch via SwiftMailer
- Tools: Jira, Slack, git flow, Codeship, SMTP, IMAP, Webhooks, REST, Behat, Unit testing, Scrum
Apr 2015 - Jun 2015
3 months United States
Full Stack Developer
TalkTenFour SnapVault
- Online gallery complementing a mobile app used daily by construction workers and architects.
- Issue cases are documented on-site via smartphone and consolidated in real time at the developer’s headquarters.
- The iOS app stores data via Parse.com and Amazon S3, making it immediately available to the Angular.js web app.
- WebSocket connections enable real-time communication between web and mobile apps.
- Offered as Software-as-a-Service.
- Technologies: HTML, CSS, JavaScript, Angular.js, Grunt.js, Karma.js, Bootstrap 3, Parse.com, Mandrill, Continuous Integration
- Tools: Trello, git flow, Stripe, Intercom.io, Travis CI
Aug 2014 - Jul 2015
1 year United States
interim CTO
XP3 Talent System
- Online HR management system for SMEs, built with Laravel and Angular.js in collaboration with experienced HR consultants.
- Responsive design, REST API, and transactional emails enable cost-effective, fast collaboration among HR managers, employees, and job candidates on any device (smartphone, tablet, web, and email clients).
- Technologies: HTML, CSS, JavaScript, Angular.js, Grunt.js, Karma.js, Bootstrap 3, Laravel, Mandrill, Continuous Integration, Responsive Design, PDF Reports, transactional emails
- Tools: Trello, git flow, Laravel Forge, Digital Ocean, Airbrake.io, Keen.io, Intercom.io, Travis CI
Sep 2010 - Jun 2013
2 years 10 months Pori, Finland
Dozent
Innovative Business Services @ SAMK
- After analyzing the educational context for my bachelor’s thesis, I continued collaboration with the university.
- Based on WordPress and BuddyPress, we created a social learning platform used by people from over 20 countries, with additional reports and user interfaces that enable effective team-based collaboration between teachers and students.
Sep 2007 - Jul 2009
1 year 11 months Bremen, Germany
Business Analyst
TRENZ AG
- In direct collaboration with the executive board, I defined and implemented the marketing strategy and training concept for the core product easyLogic.
- Together with engineers and project managers, we delivered customer projects in the automotive and personnel training sectors.
- I served as the liaison between end clients and software developers, handled requirements management, and planned implementation via prototypes, user stories, and UX diagrams.
Jul 2006 - Jun 2007
1 year New Delhi, India
Ehrenamtlicher Mitarbeiter, Marketing
Deepalaya
- Together with the marketing director, we planned and executed new online campaigns for current and future donors of the NGO.
- We reduced the onboarding process for new donors to three clicks and enabled direct credit card processing.
Summary
As a fullstack software developer, I help you build new web applications. Focusing on the user and clear communication, I support the development team in meeting high quality standards and deadlines, and help the company impress its clients.
Languages
German
Native
English
Advanced
Turkish
Advanced
Spanish
Intermediate
Education
Aug 2009 - Jun 2010
Satakunta University of Applied Sciences
Pori, Finland
Aug 2007 - Jul 2010
Universität Bremen
B.Sc., Digital Media · Germany
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