Haeger Consulting
Haeger Consulting
51 – 200 Employees
ConsultingLogisticsMarketing
Haeger Consulting is an IT consulting firm founded in 2006 that helps organizations develop and deliver technology solutions tailored to their needs. Its work spans requirements analysis, software architecture, implementation, quality assurance, and team coaching, with agile methods used throughout the delivery process. The company also emphasizes professional development and personal growth, supporting employees as they build their expertise and contribute to client projects.

Senior Frontend Developer – Bonn (Hybrid)

Senior Frontend Developer creating modern customer web applications at Haeger Consulting, a Bonn-based IT consultancy. The role focuses on frontend performance, accessibility, maintainability, and user interface quality.

Description

  • Build modern client web projects with Angular, Vue, or React in close collaboration with customers
  • Create reliable, user-focused web applications
  • Deliver required frontend interfaces and recommend practical improvements
  • Improve client applications for speed, responsiveness, and long-term maintainability
  • Partner with backend engineers and client teams to deliver end-to-end solutions
  • Apply Clean Code practices and refactor code regularly
  • Maintain and enhance established client applications
  • Act as an internal trainer for colleagues
  • Help junior developers grow their technical skills
  • Share knowledge actively across the team

Requirements

  • Bring at least five years of frontend development experience, preferably from client-facing projects
  • Demonstrate strong proficiency in HTML5, CSS3, SCSS, JavaScript, and TypeScript
  • Have expert-level knowledge of at least one major framework: Angular, Vue, or React
  • Have worked with UI component libraries such as MUI, Angular Material, or Bootstrap
  • Understand state management tools including Redux, Vuex, or NgRx
  • Have integrated RESTful or GraphQL APIs
  • Have used Jest, Cypress, or similar testing frameworks
  • Be familiar with Webpack, npm, or Yarn
  • Combine strong collaboration and communication skills with a consultative approach
  • Be prepared to share knowledge actively with the team
  • Have native-speaker-level German proficiency
  • Communicate effectively in English
  • Ideally bring Node.js experience for SSR, development tooling, or full-stack work
  • Understand how to build accessible web applications

Benefits

  • Work on varied client engagements within a professional consulting setting
  • Use remote work options and flexible working hours
  • Connect in person through weekly meetings at the office
  • Develop professionally through Architecture School, Skill Factories, and Guilds
  • Join an open, collaborative working environment
  • Take part in a weekly Active Break from the office or home
  • Access corporate benefit offerings
  • Use the JobRad bicycle leasing program
  • Join Urban Sports Club by individual arrangement
  • Attend recurring team gatherings, including informal meetups, game nights, the annual kickoff, and summer parties
  • Receive individualized development support, continuous guidance, and personal coaching
  • Candidates with disabilities receive preference when qualifications are equivalent

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