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viviane.johns

PROFILE

Viviane.johns

Viviane Johns developed and refactored core API and frontend architecture for the Wahllokalsystem repository, delivering 57 features and 15 bug fixes over three months. She introduced a composable API layer using TypeScript and Axios, integrated OpenAPI-generated DTOs for type safety, and stabilized backend communication. Her work included dynamic routing, localization, and robust error handling, while improving CI/CD workflows and test reliability with Vitest and automated scripts. By restructuring code, enhancing documentation, and enforcing code quality standards, Viviane reduced onboarding time and maintenance costs, enabling faster feature delivery and more reliable integration points between frontend Vue.js components and backend services.

Overall Statistics

Feature vs Bugs

79%Features

Repository Contributions

221Total
Bugs
15
Commits
221
Features
57
Lines of code
12,941
Activity Months3

Work History

January 2025

108 Commits • 27 Features

Jan 1, 2025

In 2025-01, Wahllokalsystem delivered a foundational API architecture refactor, enhanced test stability, and broad codebase hygiene improvements to enable faster feature delivery and safer backend integration. Key outcomes include: a composable API layer with async postMessage, internal message handling refinements, and UI reset extraction; OpenAPI-generated DTOs and an Axios-based API client for safer, scalable backend communication; stabilized test runs through alias resolution fixes in Vitest tsconfig and related config; expanded test coverage for messaging APIs (getMessage, postMessage, messageRead) and WLS handlers; overall code quality improvements including lint improvements, removal of generated noise, and documentation enhancements. Business value: reduced maintenance costs, improved developer velocity, and more reliable integration points with backend services.

December 2024

90 Commits • 23 Features

Dec 1, 2024

December 2024 monthly summary for Wahllokalsystem focused on delivering customer-facing features, stabilizing backend surfaces, and improving developer productivity. Key features and robustness improvements were shipped, backed by codebase refactors, enhanced test hygiene, and scalable CI/CD workflows. Business value was increased through reliable broadcast messaging, stable user information retrieval, configurable gateway routes, and faster, safer deployments with automated checks and localization support.

November 2024

23 Commits • 7 Features

Nov 1, 2024

November 2024 monthly summary focusing on foundational setup, feature iterations, and quality improvements across Wahllokalsystem and refarch-templates. The work delivered standardization, routing/UI enhancements, documentation improvements, and formatting/quality controls that reduce onboarding time, minimize configuration errors, and strengthen CI reliability.

Activity

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Quality Metrics

Correctness91.6%
Maintainability92.8%
Architecture87.6%
Performance87.2%
AI Usage20.8%

Skills & Technologies

Programming Languages

BashBatchBatchfileCSSGitHTMLJSONJavaJavaScriptMarkdown

Technical Skills

API Client GenerationAPI ConfigurationAPI DevelopmentAPI DocumentationAPI GenerationAPI IntegrationAPI Integration TestingAPI TestingAsynchronous ProgrammingAutomated TestingAxiosBackend CommunicationBackend DevelopmentBackend IntegrationBuild Automation

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

it-at-m/Wahllokalsystem

Nov 2024 Jan 2025
3 Months active

Languages Used

JavaJavaScriptMarkdownTypeScriptVueYAMLCSSJSON

Technical Skills

Backend DevelopmentCode FormattingConfiguration ManagementDevOpsDocumentationFront End Development

it-at-m/refarch-templates

Nov 2024 Nov 2024
1 Month active

Languages Used

N/A

Technical Skills

Code Formatting

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