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I am a Senior Full Stack Developer with deep expertise in React, TypeScript/Node.js and AWS. I turn ideas into robust applications, modernise legacy systems quickly, and design scalable architectures. I'm a hands-on engineer who values clarity, code quality, and practical UX, always looking to uplift teams through mentoring and disciplined engineering practices. As the creator of CSSEXY.com, I built a visual UI composition and code-centric design platform, gaining broad experience in UI domain modelling, editor workflows, and design systems. I enjoy guiding product development from concept to production, writing clear documentation, and shaping developer experience across frontend, backend, and cloud.…I am a Senior Full Stack Developer with deep expertise in React, TypeScript/Node.js and AWS. I turn ideas into robust applications, modernise legacy systems quickly, and design scalable architectures. I'm a hands-on engineer who values clarity, code quality, and practical UX, always looking to uplift teams through mentoring and disciplined engineering practices. As the creator of CSSEXY.com, I built a visual UI composition and code-centric design platform, gaining broad experience in UI domain modelling, editor workflows, and design systems. I enjoy guiding product development from concept to production, writing clear documentation, and shaping developer experience across frontend, backend, and cloud.

Anja Beisel

Full Stack Developer, Web Developer, Front-End Developer, +2

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I am a Senior Full Stack Developer with deep expertise in React, TypeScript/Node.js and AWS. I turn ideas into robust applications, modernise legacy systems quickly, and design scalable architectures. I'm a hands-on engineer who values clarity, code quality, and practical UX, always looking to uplift teams through mentoring and disciplined engineering practices. As the creator of CSSEXY.com, I built a visual UI composition and code-centric design platform, gaining broad experience in UI domain modelling, editor workflows, and design systems. I enjoy guiding product development from concept to production, writing clear documentation, and shaping developer experience across frontend, backend, and cloud.…I am a Senior Full Stack Developer with deep expertise in React, TypeScript/Node.js and AWS. I turn ideas into robust applications, modernise legacy systems quickly, and design scalable architectures. I'm a hands-on engineer who values clarity, code quality, and practical UX, always looking to uplift teams through mentoring and disciplined engineering practices. As the creator of CSSEXY.com, I built a visual UI composition and code-centric design platform, gaining broad experience in UI domain modelling, editor workflows, and design systems. I enjoy guiding product development from concept to production, writing clear documentation, and shaping developer experience across frontend, backend, and cloud.

Available to hire

I am a Senior Full Stack Developer with deep expertise in React, TypeScript/Node.js and AWS. I turn ideas into robust applications, modernise legacy systems quickly, and design scalable architectures. I’m a hands-on engineer who values clarity, code quality, and practical UX, always looking to uplift teams through mentoring and disciplined engineering practices.

As the creator of CSSEXY.com, I built a visual UI composition and code-centric design platform, gaining broad experience in UI domain modelling, editor workflows, and design systems. I enjoy guiding product development from concept to production, writing clear documentation, and shaping developer experience across frontend, backend, and cloud.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

German

Fluent

Work Experience

Senior Full Stack Developer at Origo (Unipass Letter of Authority)

September 1, 2024 - February 1, 2025

Joined to help deliver a new version of the ULoA application — a highly complex legacy system with tight timelines and substantial technical debt. Introduced an Nx monorepo, modernised the developer environment, reduced local reload times, and implemented frontend features while improving deployment workflows.

Principal Architect & Product Owner at CSSEXY.com

January 1, 2016 - Present

Led platform evolution since 2016, establishing design-system principles, reusable component patterns, cloud persistence, and an editor workflow that supports a visual UI composition platform.

System Architect and Lead Developer at Legado (Wonderbill)

October 1, 2022 - February 1, 2024

Designed and built a distributed AWS-based Wonderbill platform to securely collect, scrape, normalise, and publish billing/data. Implemented Lambda, SQS/SNS, Step Functions, EC2, DynamoDB, AppSync, S3; built a Puppeteer-based scraping engine and a domain-specific configuration system; delivered internal DevDashboard.

Lead Frontend Developer at Legado

November 1, 2021 - September 1, 2022

Architected and built Legado Data Services frontend from scratch with modular React code, scalable state management, a themeable component system, and Storybook-driven design library.

Senior Frontend Developer at Shieling Website (SwarmOnline)

April 1, 2021 - November 1, 2021

Developed the Shieling website from scratch using React and AWS Amplify, including GraphQL integration, booking management, and CMS.

Lead Frontend Developer at Clydesdale Bank, Glasgow

August 1, 2017 - February 1, 2018

Lead frontend developer on a new React-based platform, built first production apps, established shared component library, and contributed to CI/CD and security processes for regulated environments.

Lead Frontend Developer at Siemens Energy IT (Change Management)

July 1, 2012 - June 1, 2016

Led design and development of ASP.NET MVC CRM, project and event management, and user administration; owned end-to-end delivery, mentoring, and development processes in an enterprise setting.

Lead Developer & E-Learning Architect at Siemens Transformers

April 1, 2010 - May 1, 2012

Designed and built SEE, an internal management and reporting system integrated with SAP, covering users, contracts, activities, and analytics; delivered the full solution end-to-end.