Staff Engineer - Full Stack (f/m/d)

Apaleo

JOIN APALEO AND SHAPE THE FUTURE OF HOSPITALITY TECH! At Apaleo, we’re revolutionizing the hospitality industry with our AI-first property management platform, giving businesses the power to build a tech ecosystem that enhances both guest experiences and staff efficiency. With seamless integrations to hundreds of apps through the Apaleo Store, our platform simplifies operations, elevates the guest journey, and drives revenue growth. Are you ready to make an impact? We’re looking for a Senior Full-Stack Engineer (Python & .NET) (f/m/d) to join our dynamic team and help shape the future of hospitality technology! WHAT YOU’LL BE UP TO * Develop and maintain scalable backend services hosted on AWS with a strong focus on Python-based applications and AI-driven products. * Contribute to full stack development initiatives, including backend APIs and selected frontend components using TypeScript, HTML, and CSS. * Balance speed and quality, ensuring maintainable, reliable, and production-ready code without overengineering. * Mentor and support junior AI engineers by providing technical guidance, architectural feedback, and best practices. * Collaborate closely with product stakeholders, AI engineers, and cross-functional teams to deliver new AI-related products and platform capabilities. * Contribute to future platform initiatives, including potential work within the .NET-based Storefront API ecosystem. WHAT YOU’LL BRING TO THE TEAM * 5+ years of professional software engineering experience with strong backend development expertise, including advanced proficiency in Python for building scalable backend systems and production-ready services. * Experience with cloud platforms such as AWS/ Azure / GCP. * Strong understanding of software architecture, code quality practices, and engineering best practices. * Ability to work independently, take ownership of projects, and operate effectively as a senior individual contributor. * We are looking for candidates with hands-on C#/.NET development experience, given that C#/.NET 10 is our primary backend stack and key to our long-term platform strategy and flexibility. * Strong problem-solving, and collaboration skills, especially within fast-growing engineering teams. * A proactive mindset with the ability to guide junior engineers and help scale engineering excellence across the organization. Nice to Have: * Frontend development experience with TypeScript, HTML, and CSS is a plus. * Interest or experience in AI-related products, machine learning, or data engineering environments is beneficial. WHAT WE OFFER CULTURE & GROWTH * A Diverse & International Team: Work alongside passionate professionals from over 20 nationalities, bringing unique cultural perspectives, backgrounds, and experiences to shape the future of hospitality tech. * Growth & Development: As we scale, so do your opportunities. You’ll benefit from 360° feedback reviews, a dedicated learning budget, and plenty of chances to take on more responsibility. Our evolving career framework ensures you have increasing opportunities to learn new skills, advance your career, and make an impact. * Autonomy & Ownership: Great ideas can come from anywhere. We empower you to take responsibility, make decisions, and contribute directly in an environment built on trust, transparency, and collaboration. * Shape the Future of Hospitality Tech: Be part of a fast-growing scale-up transforming the hospitality industry. From day one, your work drives real impact and you’ll have the freedom to bring your ideas to life. * Competitive & Fair Compensation: We believe great work deserves great pay. Our salaries are competitive and guided by benchmarking data to ensure fairness across all roles and teams. We make sure to recognize and reward performance and contribution. PERKS & LIFESTYLE * Flexible & Remote Work Options: We focus on results, not clocking hours. You can work from home, the office or in a hybrid setup, with flexibility to adapt your schedule as long as it makes sense for your role, your team and our business. * Free Public Transport: Travel across Germany with ease using our fully covered Deutschland Ticket. * Team Connection: Strong connections fuel collaboration. We celebrate and connect through regular team dinners, company meetups, Oktoberfest celebrations, Christmas parties, and other offsite events. * Paid Time Off: Enjoy 30 days of vacation to fully disconnect, recharge, and return inspired. * Health & Wellbeing: Prioritize your health with access to hundreds of gyms, fitness studios, and wellness options through our EGYM Wellpass membership.   How you make an impact joining Apaleo: Joining Apaleo means more than just taking on a role, it’s about driving real change in the hospitality industry. Your contributions will directly shape our innovative platform, influence company-wide decisions, and help redefine the future of hospitality tech. At Apaleo, your voice matters, your ideas are valued, and your impact is tangible. Be part of a team where your work fuels progress, collaboration sparks innovation, and growth is a shared journey. We are proud to be an Equal Opportunity and Affirmative Action Employer, committed to fostering a diverse, inclusive, and welcoming workplace. We encourage applications from individuals of all backgrounds, regardless of race, color, religion, gender identity or expression, sex, national origin, age, marital status, disability, or any other characteristic protected by applicable law. Your personal data will be handled with the utmost care and in compliance with GDPR and relevant data protection regulations. We celebrate differences and believe that diversity enriches our team and drives innovation.

IDnow

IDnow is a leader in digital identity and fraud prevention in Europe with a mission to transform trust into the most powerful asset in the digital world, empowering enterprises with AI-driven, SaaS-based identity solutions that deliver scalable security, adaptive compliance, and real-time fraud prevention. Through its broad portfolio of digital identity and fraud prevention solutions, IDnow establishes, maintains and enriches trust throughout the customer journey, ensuring businesses can confidently and securely operate while leveraging digital identity to drive growth, security and scalability. The company has offices in Germany, United Kingdom, Romania and France, and is backed by renowned institutional investors, including Corsair Capital and Seventure Partners. Its portfolio of international clients spans a wide range of end markets including financial services, telecommunications, travel & mobility, gaming, and other industries.   This position is based in Rennes, France.     IDnow is looking for a Staff DevOps Engineer (f/m/d) to join our growing platform team in Rennes, France. We are looking for someone who can go beyond execution and take true technical ownership of our platform - driving architecture decisions, mentoring peers, and leading critical projects as we transition from on-premises infrastructure to AWS.  You will be a senior technical voice within the team, working closely with the Engineering Manager and cross-functional stakeholders to shape the future of our platform infrastructure.    KEY RESPONSIBILITIES  * Act as a staff-level technical lead - own epics, drive architecture decisions, and set the technical direction for platform initiatives. * Lead the migration from on-premises infrastructure to AWS, ensuring continuity and resilience throughout the transition. * Champion best practices in infrastructure-as-code, CI/CD, and platform reliability. * Serve as a go-to expert and escalation point for complex technical challenges within the team. * Design, build, and maintain Kubernetes-based infrastructure across both cloud (AWS) and on-prem environments. * Manage and optimize the on-premises virtualization platform (Proxmox/Ceph) while progressively shifting workloads to AWS. * Develop and maintain Infrastructure as Code using Terraform (AWS) and Ansible (on-prem). * Manage networking components including firewalls, switches, and related security configurations. * Ensure platform security through TLS certificate management, Vault, and close collaboration with the Security team * Participate in the on-call rotations (approximately every 6 weeks) covering the full platform stack - from infrastructure to CI/CD layers. * Respond to and resolve production incidents in a timely manner; contribute to post-mortems and continuous improvement. * Support and improve observability, monitoring, and alerting across the platform.    PREFERRED EXPERIENCE  * 5+ years of experience in DevOps or Platform Engineering. * Demonstrated experience operating at a Staff or Senior+ level — owning projects end-to-end with minimal oversight. * Experience working in a hybrid on-prem / cloud environment, ideally during cloud migration. * Passionate about technology and always learning. * Proactive, ownership-driven mindset, you build, improve, and take responsibility. * Strong communicator- able to engage stakeholders, document decisions, and collaborate across distributed teams.    Nice-to-have's  * Familiarity with Proxmox or similar open-source hypervisors. * Experience with security tooling beyond SSL/TLS (e.g., WAF, IDS/IPS). * Experience in a fast-moving SaaS or product-led engineering organization. * Comfort with AI-assisted development workflows.    PERKS & BENEFITS  * Health & Wellbeing: Use your full access to the mental health platform nilo, including 1on1 sessions. * We value personal and professional development: make full use of Udemy, our training platform with 24/7 access and unlimited content/course consumption incl. certification. * We make your remote work comfy: we provide support on equipment and offer flexible working hours. * We value collaboration & love to come together: regular onsite gatherings, internal initiatives and summer parties to connect outside of work. * May your family require your attention or other reasons apply: use the benefit of our paid special leave days. * Enjoy the possibility to combine work with a longer stay at your holiday destination or extend a weekend with our Workcation possibilities. * In addition to the perks & benefits above, we offer specific benefits that differ between our locations.      IDnow applies the principles of non-discrimination and equality: We strive to establish, maintain, and promote an open and inclusive recruitment process and working environment by respecting the principles of equal opportunities. Including but not limited to: sex, race or ethnic origin, religion or convictions, gender identity, citizenship, marital status, disability, age, or sexual orientation.

Arsys

Our department’s vision is to build a Data-Driven IONOS Group. Our mission is to connect AI and BI, evolve our platforms, and empower our customers. As the central provider of the BI platform for Corporate, CTO topics, and state-of-the-art AI solutions, we support data-driven decision-making all across the IONOS Group.   Currently, we are building our new cloud Big Data platform completely based on the IONOS cloud infrastructure. This means you will work with up-to-date, non-commercial technologies and have the unique opportunity to operate on our own internal cloud ecosystem, completely independent of the usual hyperscalers (AWS/GCP). TASKS   As a Senior DevOps Engineer, you won't just manage namespaces or isolated applications; you will have Full Ownership and end-to-end responsibility for the platform operational stability. Your main tasks will include: * Platform Operations & Ownership: Actively help shape, deploy, and maintain our cloud Big Data platform infrastructure, taking full responsibility for the operation of our technical data processes. * L2/L3 Application Support: Serve as the first point of contact for internal data engineering teams. You will troubleshoot process failures, investigate why a data pipeline failed, and optimize platform performance. * Stakeholder Coordination: Discuss, gather basic requirements, and implement additional platform services in close coordination with internal stakeholders across 11 divisions.  * Agile Collaboration: Participate actively in team processes, working within 2-week sprints where the functional team develops a common goal, working independently while keeping the team aligned . * Continuous Improvement: Continuously and independently develop operational process definitions and platform optimization setups.  * System Evolution: Take over system responsibilities with a clear growth path towards Product Ownership of the platform. QUALIFICATIONS   We are looking for a "Plug n' Play" Senior Engineer—someone who brings high technical expertise combined with the mindset of a curious explorer and a strong problem-solving attitude.  * Experience: Minimum 5+ years of proven experience in Operations, System Administration, or infrastructure-focused DevOps roles.  * Core Systems: Confident, high-level handling of Linux systems, environments, and server recovery processes.  * CI/CD & IaC: Deep practical experience with infrastructure-as-code and deployment automation technologies, specifically ArgoCD and Terraform. * Containerization: Strong knowledge and hands-on experience with Kubernetes and containerization technologies. * Open Source Stack: Familiarity or practical experience with tools such as Trino, Hive, Airflow, OpenShift, Prometheus, or Grafana is highly valued. * Networking: Practical experience with networking concepts and technologies. * Mindset: High degree of autonomy to take ownership of an issue and solve challenges independently, while remaining a supportive team player who shares knowledge. * Communication: Good English skills (written and spoken) to collaborate effectively across multidisciplinary and international teams. NICE TO HAVE: * Practical experience with Python programming and related frameworks. * Linux Foundation certifications regarding Kubernetes (e.g., CKA/CKAD). * Experience with highly secure environments (e.g., handling sensitive data or regulated sectors). WE ARE NOT LOOKING FOR (EXCLUSION CRITERIA): * Profiles with a pure Software Engineering focus (e.g., long-time software developers whose DevOps experience is limited to writing automation scripts for a dev team). We need an operations/infrastructure specialist. * Candidates with exclusive, closed experience in AWS only. We value the flexibility to understand alternative cloud-native architectures. * Candidates lacking a strong L2/L3 support mindset or motivation to directly solve user/colleague issues. BENEFITS * Fixed salary and flexible benefits such as health insurance, daycare allowance, and meal vouchers. * Flexible working hours to organize your schedule according to your needs. * Ability to work hybrid in any of our offices located in Logroño, Madrid, Barcelona, Seville, Valencia, or Bilbao. * Invitation to our Arsys events, held twice a year, where we team build and throw a great party for our employees. * Personalized training in cutting-edge technologies, certifications, or any area that interests you. * Various employee discounts for activities and products. * We have a motivated, innovative team that is continuously learning. A culture where your opinion and initiative matter. We want to hear your ideas and see you put them into practice. ---------------------------------------------------------------------------------------------------------------------------------- At Arsys we value diversity and welcome all applications regardless of, for example, gender, nationality, ethnic or social origin, religion, disability, age, as well as sexual orientation and identity, physical characteristics, marital status or any other irrelevant factor subject to applicable law.   ---------------------------------------------------------------------------------------------------------------------------------- En Arsys valoramos la diversidad y damos la bienvenida a todas las candidaturas independientemente de, por ejemplo, el sexo, la nacionalidad, el origen étnico o social, la religión, la discapacidad, la edad, así como la orientación y la identidad sexuales, las características físicas, el estado civil o cualquier otro factor irrelevante sujeto a la legislación aplicable.