About Us
We’re Kinnovis, a fast-growing and family-run B2B SaaS company on a mission to modernize the self‑storage industry across Europe with smart, automated software solutions. Our headquarters is in Vienna, Austria, and our international team is based in Austria, the UK, Slovenia, Spain and France.
As one of Europe’s leading software providers in our niche, we help self‑storage operators manage their facilities efficiently through smart, automated software. Currently, we serve clients in 22+ countries, and we are in a phase of fast growth and keep expanding. Our growth is sustainable, and we focus on long‑term customer relationships and internal decision‑making— without external investors.
Your Role
We’re looking for a Senior Backend Developer with a strong architectural mindset to help us evolve our Laravel‑based SaaS platform. You’ll collaborate with developers, product and the CTO to deliver quality code, shape technical decisions, maintain standards, and drive integrations with third‑party systems while leading AI initiatives — embedding AI features and using AI‑assisted development tools.
What You’ll Do
Backend Development
* Design, implement and maintain backend services and RESTful APIs in Laravel (PHP)
* Ship production‑ready code, write tests and perform thorough code reviews
* Think from the user’s perspective before writing any code
* Implement and maintain integrations with payment gateways, access control systems, CRM platforms and other third‑party APIs
* Optimise performance through profiling, query tuning and caching strategies
* Use AI‑assisted coding tools where appropriate to boost efficiency and maintain quality
* Improve robustness by enhancing error handling, resilience and reliability
* Contribute to shared libraries within the mono‑repo and keep dependencies healthy
* Collaborate with frontend engineers (Vue.js) to refine API contracts and data models
Architecture & System Design
* Contribute to the evolution of our Laravel architecture within a mono‑repo setup
* Help define modular boundaries, integration patterns and shared model ownership
* Improve API design, versioning, documentation and decoupling practices
* Provide architectural input via RFCs, ADRs, design reviews and technical guidelines
Collaboration & Ways of Working
* Align with the frontend team on types, interfaces and data structures
* Encourage the adoption of AI in the development workflow
* Collaborate with fellow developers through pairing, reviews and knowledge‑sharing sessions
DevOps & Infrastructure (Azure)
* Help guide and improve Azure cloud infrastructure and deployment strategy
* Promote consistent infrastructure‑as‑code practices (Terraform)
* Support observability improvements across logging, monitoring and alerting
What You’ll Bring
Must‑haves
* 7+ years in backend engineering roles, including recent senior‑level ownership
* Strong expertise in Laravel (PHP) and RESTful API design
* Ability to apply user‑centric thinking when planning, implementing, reviewing and testing features
* Practical experience in a SaaS environment with shared codebases or mono‑repos
* Extensive experience in designing and maintaining scalable code architectures, leveraging established principles such as Event‑Driven Architecture, SOA, DDD, Layered Architecture and Ports and Adapters
* Proficient in applying Clean Code principles, with a strong focus on DRY, SOLID and SRP
* Proven experience integrating with external APIs and third‑party systems (e.g. payments, access control, CRM)
* Familiarity with CI/CD, automated testing and DevOps tooling, ideally on Azure
* Strong collaboration skills — experienced in working effectively within cross‑functional teams
* Excellent communication, facilitation, and documentation skills in German and English
Nice to have
* Experience with infrastructure‑as‑code (e.g. Bicep, ARM, Terraform)
* Working knowledge of Vue.js and frontend system structure
Why Kinnovis?
* Competitive salary starting at EUR 75.000/year depending on qualifications & experience
* Flexible working hours and a hybrid work model
* A modern, international team that values personal responsibility and clear communication
* A technically challenging platform in a stable, growing SaaS business
* A role with a strong mix of hands‑on building and meaningful architectural contribution
* Extensive work on integrations and forward‑looking AI initiatives
* Influence the future of a system that supports real‑world operations
How to Apply
Send yourCV along with a short note describing either a complex integration you’ve shipped or what drives your passion for clean‑code architecture. Include details about your role and one significant trade‑off decision you made.
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