Senior Software Engineer – Fullstack for SaaS Products

Stack

Responsibilities

• ▹Design, evolve and scale distributed systems and microservices with maintainability and stability in mind
• ▹Actively shape core features and technical foundations of a cloud-based SaaS product
• ▹Develop data models, structure databases and optimize access for performance and scalability
• ▹Build performant APIs and modern frontends, from backend to user interface
• ▹Evolve existing systems and deliberately reduce technical debt
• ▹Design applications so they remain stable, observable and efficient to operate as usage grows
• ▹Work closely with the PO and UX, make technical decisions transparent and develop the team through your experience

Requirements

• ▹At least 5 years of experience developing complex software systems, ideally in a SaaS/cloud environment
• ▹Very good knowledge of software architecture for distributed systems and scalable applications
• ▹Solid practice with microservices, API design and modern backend architectures
• ▹Experience with Node.js and TypeScript, ideally frameworks such as NestJS
• ▹Frontend experience, e.g. with Vue.js, and a good understanding of full-stack relationships
• ▹Solid knowledge of databases (e.g. PostgreSQL), data modeling and performance optimization
• ▹Experience with cloud platforms (e.g. AWS) and operating SaaS applications
• ▹Confident use of clean code, design patterns and structured software development
• ▹Communication skills and the ability to make and explain technical decisions
• ▹Experience in agile teams and a strong quality mindset
• ▹Completed degree in computer science, information technology or a comparable qualification
• ▹Excellent communication skills in German and English, spoken and written

Soft skills

What we offer

• ▹Structured onboarding with real contact persons
• ▹Home office within Germany or work in the modern office in Offenburg
• ▹Company pension scheme with 20% employer contribution
• ▹Choice of Hansefit membership or 50 EUR per month on a Spendit Card
• ▹30 days of annual leave plus Christmas Eve and New Year's Eve off; more days with tenure
• ▹Job ticket or JobRad
• ▹Quarterly all-hands events, summer party, Christmas party
• ▹Flat hierarchies and fast decisions

About the company

The avenit Group has supported companies in their digital transformation since 1995. With avenit and Vusyon it combines long-standing digital expertise and modern AI technology; around 60 colleagues work there, and the AI team at Vusyon GmbH is developing an AI platform for mid-sized businesses.