Jack S.
Freelance - Fullstack Engineer
Experience
Sep 2023 - Oct 2024
1 year 2 monthsFreelance - Fullstack Engineer
SMG Swiss Marketplace Group
- Supported the team in merging two real estate platforms into a unified Vue.js-based solution.
- Developed a custom SSR microservice architecture deployed on AWS Lambdas.
- Designed and implemented a map drawing feature.
- Migrated the microservice from Vue 2 to Vue 3.
- Built a scalable SSR microservice architecture using AWS Lambda.
- Gained deep knowledge of AWS infrastructure, Datadog, Sentry, and Vite.
- Skills: Vue.js, Node.js, Vite, AWS Lambda, Datadog, Sentry, JavaScript
Aug 2022 - Jun 2023
11 monthsFreelance - Frontend Developer
SPAR Business Services GmbH
- Replaced a legacy Hybris shop with a new Nuxt.js SSR application in a monorepo.
- Made architectural decisions for multi-language translations using Contentstack.
- Implemented backend API communication and Vue Storefront middle layer support.
- Developed an alpha version of the shop and contributed to CI/CD and server instance setup.
- Designed and implemented Contentstack webhooks and extensions.
- Supported backend-for-frontend (Express.js) setup.
- Documented concepts and ADS for content and product information services.
- Skills: JavaScript, TypeScript, Nuxt.js, Vue.js, Contentstack, Hybris, Architektur Governance, Git, Docker, CI/CD, SAP, Azure, Jest, Prettier
Aug 2021 - Aug 2022
1 year 1 monthFreelance - Frontend Developer
Emma Matratzen GmbH
- Replaced a legacy Magento shop with a Nuxt.js-based static site generation shop following MACH architecture principles.
- Built new features and optimized the monorepo platform.
- Created the My-Account section in a fresh Nuxt.js project.
- Developed integrations for commercetools, Contentstack, and tracking tools.
- Supported custom CI/CD pipeline deployment to AWS.
- Skills: JavaScript, TypeScript, Nuxt.js, Vue.js, Contentstack, Docker, AWS, Figma, Architektur Governance
Jul 2021 - Aug 2021
2 monthsFreelance - Frontend Developer
Dibooq GmbH
- Supported a beta-phase Nuxt.js project with GraphQL integrations and a Laravel backend.
- Designed and implemented a complex booking calendar.
- Enhanced GraphQL API integration.
- Contributed to calendar development and framework best practices.
- Skills: JavaScript, TypeScript, Nuxt.js, Apollo GraphQL, Git, Docker
Mar 2020 - Aug 2021
1 year 6 monthsFrontend Developer
AJNS Media GmbH
- Led administration and maintenance of a legacy Vue.js frontend, replacing it with a new Nuxt.js SSR project hosted on AWS.
- Rebuilt the website, set up a private component library, and implemented a translation service using Lokalise.
- Worked closely with designers in a UX-driven environment.
- Supported the hiring process of new team members during rapid company growth.
- Skills: JavaScript, TypeScript, HTML, CSS, SCSS, Nuxt.js, Vue.js, Lokalise, Git, Docker, CI/CD, Jest, Vue Test Utils, Travis CI, Prettier, Scrum, Express.js, Feasibility Analysis, Atlassian JIRA, Confluence, AWS, Figma, BEM
Sep 2019 - Feb 2020
6 monthsFrontend Developer
Techniker Krankenkasse
- Developed a health coach platform focusing on multi-language support and responsive design.
- Delivered key features in collaboration with backend teams.
- Improved SVG and CSS support for legacy browsers.
- Skills: JavaScript, TypeScript, Angular, Contentful, Git
Jan 2019 - Jun 2019
6 monthsFreelance - Full-Stack Developer
Manko Minus GmbH
- Developed a dashboard to integrate platforms such as Monday.com, ZohoCRM, and others.
- Created backend endpoints with Express.js and MongoDB.
- Designed the dashboard in Adobe XD and implemented the frontend using Vue.js SPA.
- Built a fully functional dashboard integrating multiple services independently.
- Skills: JavaScript, HTML, CSS, SCSS, Vue.js, MongoDB, Express.js, Git
Jan 2016 - Dec 2018
3 yearsFreelance - Full-Stack Developer
Leanovations GmbH
- Developed a custom CRM/intranet system inspired by Bitrix24.
- Implemented REST APIs using Slim Framework and built the frontend with Nuxt.js.
- Gained professional experience in REST API development and Nuxt.js.
- Learned server management and security using Cloudflare.
- Skills: JavaScript, Nuxt.js, PHP, MySQL, Git
Jan 2015 - Dec 2015
1 yearFreelance - UI/UX Designer / Frontend Developer
Aveon GmbH
- Redesigned a self-hosted Vtiger CRM with a modern material design style.
- Collaborated with developers to explore design feasibility and took on frontend development tasks.
- Gained experience in PHP, JavaScript, and HTML/CSS customization.
- Skills: Adobe Creative Suite, PHP, JavaScript, HTML, CSS, Vtiger
Feb 2013 - Oct 2014
1 year 9 monthsSales & Marketing Director, Founder
Orange Two UG
- Founded an energy service provider in the B2B sector.
- Designed the company website using WordPress and implemented marketing strategies.
- Built marketing strategies for online and offline channels.
- Gained expertise in customizing WordPress and working with MySQL databases.
- Skills: JavaScript, PHP, MySQL, WordPress
Feb 2011 - Feb 2013
2 years 1 monthSales & Marketing Director, Owner
Sunrise Advertising GmbH / Sunrise Distribution GmbH
- Managed a medium-sized sales team including coaching, executive training, and company expansion.
- Redesigned and customized the company website using WordPress.
- Successfully expanded the company’s reach and increased sales efficiency.
- Developed web design skills and gained experience in WordPress customization.
- Skills: JavaScript, HTML, CSS, MySQL, WordPress
Sep 2009 - Jan 2011
1 year 5 monthsCountry Head
Appco UK Ltd. / Appco Group Germany GmbH
- Oversaw all German sales sites and provided management training.
- Centralized recruitment processes and supported sales teams with accounting, marketing strategies, and operations.
- Trained and mentored managers across multiple locations.
- Gained expertise in large-scale team management and recruitment strategies.
- Skills: Leadership, Accounting, Marketing Strategies, Recruitment
Feb 2009 - Aug 2009
7 monthsRegional Manager
Appco Group Germany GmbH
- Supported site managers with product and sales knowledge while establishing new locations in eastern Germany.
- Managed recruiting, accounting, and training for managers and team leads.
- Successfully opened new locations and trained site managers.
- Gained experience in team leadership and mentorship programs.
- Skills: Leadership, Sales Training, Team Management
Feb 2008 - Feb 2009
1 year 1 monthLocation Manager
Appco Group Germany GmbH
- Managed a team of 20–30 sales representatives including recruiting, training, and accounting.
- Reported directly to regional managers and improved local sales performance.
- Built a high-performing team in a new location.
- Expanded skills in team management and accounting.
- Skills: Recruitment, Sales, Team Leadership
May 2007 - Feb 2008
10 monthsSales Manager
Appco Group Germany GmbH
- Sold products directly to customers in supermarkets, airports, and door-to-door including credit cards, energy services, telecom services, and charity products.
- Consistently exceeded sales targets.
- Learned effective sales techniques and basic NLP methods.
- Skills: Direct Sales, Customer Communication, NLP Techniques
Languages
German
NativeEnglish
AdvancedEducation
Oct 2007 - Jun 2008
Fachhochschule Potsdam
Bachelor of Arts · Interface Design · Potsdam, Germany
Oct 2006 - Jun 2007
Wilhelm-Ostwald-Schule
University entrance qualification · Technical disciplines · Berlin, Germany
Oct 2000 - Jun 2002
Georg-Mendheim-Oberstufenzentrum
State-certified commercial assistant · IT · Oranienburg, Germany
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