IESF AG
Basel
2 quarters ago
Mid-Senior FullStack (C#.NET/JavaScript) Engineer (m/f/d).
- 16 September 2025
- 100%
- Basel
Job summary
Join a modern Digital/Tech company creating innovative solutions. Enjoy flexible working with a great culture and benefits.
Tasks
- Enhance and develop products for diverse sectors like Banking and Retail.
- Support project analysis, conception, and frontend implementation.
- Conduct project prep activities, reviews, and requirements engineering.
Skills
- Degree in Computer Science; fluent in German and English; proven experience.
- Strong knowledge of frontend technologies like JavaScript and CSS.
- Experience with .NET technologies, particularly C#.
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About the job
Company Description
Our client is a modern digital/tech company. The company creates innovative solutions for external customers from the banking, insurance, government, transport, industry, and retail sectors.
With three locations in Switzerland (Zurich, Bern, Basel), hybrid work models, and flexible working hours, the company is one of the best employers in Switzerland.
As part of strong growth, we are looking for you as
Mid-Senior FullStack (C#.NET/JavaScript) Engineer (m/f/d).
Work model: hybrid – 1-2 days in the office, up to 3 days remote. Full-time or part-time possible.
Job Description
The Position:
You will expand and improve existing products or develop new, innovative solutions for diverse customers from the banking, retail, or government sectors.
You can expect a collegial atmosphere and a great workplace culture!
Responsibilities:
• Support in the analysis, conception, and implementation of projects with a focus on frontend
• Participation in technical solution concepts as well as handling consulting mandates in the web front-end environment
• Execution of project preparatory activities, reviews, requirements engineering, prototypes, etc.
Qualifications
Your Profile:
• (Technical) university degree in computer science
• Fluent German and English, spoken and written
• Flexibility, commitment, and interest in dealing with customers and colleagues
• Proven professional experience
• Several years of experience in the conception, design, and implementation of front-end solutions using modern web technologies (HTML5, CSS3, JavaScript/TypeScript)
• Experience in implementing graphical designs for different output media (desktop and mobile devices, responsive web design)
• Ability to ensure compatibility for various web browsers
• Profound knowledge in at least one JavaScript framework such as React or Angular
• Experience with build tools like Webpack or Grunt
• Experience and know-how with CSS preprocessors like SASS/SCSS, Stylus, or LESS
• Experience with unit and e2e testing tools like Jest, Karma, Jasmine, Protractor, or similar tools
• Experience in .NET technologies with a focus on C#
Additional Information
What else is important for you as a team member:
• Flexibility
• Work-life balance thanks to flexible working: working hours are flexible, workloads can be adjusted monthly: your working time is based on your needs. Re-entry guarantee for mothers up to two years after birth.
• Expenses and home office costs are reimbursed as a flat rate.
• Provision of private notebooks.
• Car fleet discount.
• Further training: own internal academy, onsite and online training.
• Unpaid leave possible at any time.
• Family-friendly company: fun for you and your family in your free time - free visitor tickets for the zoo, or play and fun in the museum
• Fresh apples daily in the office, coffee, water, and beer – of course free.
• Top awarded company with wonderful work policies and culture.