Senior Software Engineer (all genders)

Sdui Group; Koblenz; Hybrid; EUR 60.000 - 80.000; Vollzeit

Zusammenfassung

A leading EdTech company in Koblenz seeks a Senior Software Engineer to enhance their platform. You will focus on developing scalable and accessible frontends using Vue 3, ensuring an intuitive and delightful user experience. Join a motivated team that values flexibility, professional development, and social impact, while working in a dynamic startup culture.

Leistungen

30 days vacation plus extra days off

Flexible working hours

Access to mental health services

Learning and development opportunities

Supportive team culture

Teambuilding budget for events

Qualifikationen

• At least five years of experience in modern frontend development, ideally with Vue 3.
• Experience with test automation (Cypress, Playwright, Vitest).
• Strong sense for design, accessibility and user experience.

Aufgaben

• Architect and further develop Vue 3 applications.
• Build and maintain a scalable design-system library.
• Optimize rendering and runtime performance.

Kenntnisse

Vue 3

TypeScript

CSS architecture

Test automation

REST/GraphQL integration

Vite

ESLint

Prettier

German (C1)

English (fluent)

Ausbildung

Degree in Computer Science or comparable field

Jobbeschreibung

Our mission

Founded in Koblenz in 2018, Sdui has grown to become one of Europe’s fastest‑expanding EdTech companies. Today five companies work together as the Sdui Group. With more than 230 international employees across five locations, Sdui Group actively shapes the future of education. Digital solutions serve schools, preschools, entire federal states and regions by enabling seamless communication, efficient administration and personalized learning while remaining inclusive, intuitive and fully compliant with data protection regulations.

We empower humans to transform education for a better tomorrow.

Your mission

As a Senior Software Engineer with a focus on web and hybrid‑mobile frontends you will accelerate the further development of our platform. You develop scalable, high‑performing and accessible UIs, translate design systems into living components and support our teams with your expertise in their daily work. Your contribution ensures that our users enjoy an intuitive, inclusive and delightful experience – while keeping our platform flexible and future‑proof.

What you’ll do

Frontend architecture & development

• You take responsibility for the architecture and further development of our Vue 3 applications.
• You build and maintain a scalable design‑system library.
• You develop modular, testable UI components.

Quality & performance

• You optimize rendering, bundle size and runtime performance.
• You implement automated tests with Cypress, Playwright and Vitest.
• You document components in Storybook.

Collaboration & mentoring

• You collaborate closely with designers to create inclusive, responsive UIs.
• You support branding, theming and white‑label features.
• You coach and mentor engineers on the team.

What you’ll bring

• You hold a degree in Computer Science or a comparable field.
• You bring at least five years of experience in modern frontend development, ideally with Vue 3.
• You are proficient in TypeScript, CSS architecture, theming and state management (e.g. Vuex).
• You have experience with test automation (Cypress, Playwright, Vitest) as well as REST/GraphQL integration.
• You are confident working with tools like Vite, Storybook, ESLint and Prettier.
• You speak German at least at C1 level and are fluent in English.
• You are passionate about clean, maintainable code and performant applications.
• You have a strong sense for design, accessibility and user experience.
• You work in a structured, solution‑oriented way and enjoy teamwork.
• You take ownership and enjoy sharing your knowledge with others.

What we offer

• Social impact: Sdui’s vision is to transform the daily life of schools, empowering people to reform education for a better tomorrow. You can also take two days off per year for volunteer activities.
• Flexibility & new work: Flexible working hours, remote work and workations within the EU (Switzerland & UK) are possible.
• Mental health: We offer all employees access to OpenUp, an online service for mental health and personal development.
• People development: Active learning time courses via a learning platform and ongoing professional development opportunities are already in place and continuously evolving.
• Team culture: You’ll be part of a motivated team that supports one another. A positive working atmosphere is essential for us and we also offer a teambuilding budget for shared workshops and team events.
• Start‑up culture & growth: You want to take on responsibility, love challenges and grow with us. We are committed to continuously improving collaboration and ensuring that everyone in the team can contribute to shaping the company.

Additional benefits

• 30 days vacation plus half‑days off on Christmas Eve and New Year’s Eve.
• Your four‑legged friend is welcome at the office.
• German and English lessons.
• Coffee, tea and cold drinks are always available in our community space.

Your contact

Sophie Marie Stahl - People Experience Manager

Am besten erreicht uns deine Bewerbung über das Formular auf dieser Seite. Bei Fragen kontaktiere mich gerne unter 49 261 .