Alexander – Typescript, Next.js, React, experts in Lemon.io

Alexander

From Austria (UTC+2)flag

Full-stack Web Developer|Senior
Front-end Web Developer|Senior
Back-end Web Developer|Senior

Alexander – Typescript, Next.js, React

Alexander is a Senior Full-Stack Engineer with deep expertise in TypeScript, React, Next.js, and Node.js, complemented by strong experience in AI-assisted development and event-driven architectures. He has led greenfield product builds, architected scalable systems, and demonstrated autonomy in startup and client-facing contexts. Strengths include pragmatic communication, structured workflows, and a product-focused mindset. Some support may be needed for advanced database indexing and AWS infrastructure design.

9 years of commercial experience in
Advertising
Main technologies
Typescript
6.5 years
Next.js
2.5 years
React
5 years
AWS
4.5 years
Additional skills
PostgreSQL
Amazon SQS
Amazon SNS
Prisma
React Native
Vue.js
Cypress
Vuex
JavaScript
AI-assisted coding
Direct hire
Possible
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Experience Highlights

Senior Full Stack Engineer
Feb 2024 - May 20262 years 3 months
Project Overview

Unified AI-powered video production platform enabling filmmakers and content creators to generate characters, environments, visuals, motion, and audio, organize scenes into timelines, and export projects to professional video editing software.

Responsibilities:
  • Architected and developed an AI-powered video production web application for filmmakers and content creators;
  • Designed and implemented a scalable, high-availability backend architecture using Next.js, NestJS, Prisma, PostgreSQL, AWS SQS, and SNS;
  • Introduced advanced Claude skills to promote AI-assisted engineering practices across cross-functional teams;
  • Developed an automated contract-signing workflow through DocuSign API integration to streamline onboarding and content submission.
Project Tech stack:
Next.js
Nest.js
Prisma
PostgreSQL
Amazon SQS
Amazon SNS
Typescript
Senior Software Engineer
Sep 2022 - Sep 20231 year
Project Overview

Enterprise climate-tech platform helping organizations measure, reduce, and report employee commuting emissions through travel surveys, journey planning, carpooling solutions, and sustainability reporting.

Responsibilities:
  • Developed scalable features for web and mobile applications to support sustainable commuting initiatives;
  • Built cross-platform applications using TypeScript, Vue.js, Vuex, React Native, Redux, and Storyboard;
  • Applied Test-Driven Development (TDD) practices to improve code quality and application reliability;
  • Developed and maintained automated end-to-end tests using Cypress.
Project Tech stack:
Typescript
Vue.js
Vuex
React Native
Redux
Cypress
Senior Full Stack Engineer
Oct 2019 - Jan 20222 years 3 months
Project Overview

Enterprise performance marketing platform enabling advertisers to manage affiliate partnerships, track and attribute conversions, analyze campaign performance, and automate commission calculations and payouts.

Responsibilities:
  • Developed the Insights web application within a microservices architecture deployed on AWS and Kubernetes;
  • Built frontend and backend functionality using TypeScript, React.js, Node.js, and SQL Server;
  • Managed containerized application deployments using Docker and Kubernetes, supporting zero-downtime releases;
  • Implemented automated testing pipelines using Selenium, applying Test-Driven Development (TDD) and Behavior-Driven Development (BDD) practices.
Project Tech stack:
AWS
Kubernetes
Typescript
React
Node.js
SQL Server
Docker
Selenium
Middle Web Developer
Oct 2018 - Oct 20191 year
Project Overview

Enterprise frontend framework and design system providing reusable UI components, standardized design foundations, and accessibility guidelines for customer-facing and internal applications across insurance and financial services.

Responsibilities:
  • Led improvements to the enterprise frontend framework to streamline development across multiple engineering teams;
  • Designed and developed reusable UI components to improve design consistency, code quality, and maintainability across applications.
Project Tech stack:
HTML
CSS
SCSS
Gulp
JavaScript
Typescript
jQuery

Education

2017
Business Information Systems
Bachelor’s Degree

Languages

French
Intermediate
German
Pre-intermediate
English
Advanced

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