Fullstack Developer for e-commerce & internal tools applications (f/m/d)

Job Description We open the door to a world of possibilities and give you the chance to set new standards with us. We are looking for people with enthusiasm for innovation, people who are passionate about what they do, forward thinkers, and doers. Is that you? Then our door is open for you. As a Fullstack Developer for e-commerce & internal tools applications (f/m/d) at Nuki, you will focus on developing, scaling, and maintaining both our customer-facing e-commerce systems and our essential internal tools ecosystem. In this role, you will build seamless integrations that connect our SAP ERP system to key third-party partners (such as fulfillment providers) and develop high-performance data collectors for our KPI databases. Simultaneously, you will play a crucial role in advancing our established SRE practices to ensure the resilience, scalability, and operational reliability of our entire platform ecosystem. This will give you the chance to actively shape the future of Nuki. Your Role You develop, scale, and maintain robust applications using TypeScript (Node.js) for e-commerce and Go (GoLang) with MySQL for internal tools.You design and maintain critical integrations between our internal SAP system and external third parties, including fulfillment partners.You build and optimize data collectors and pipelines to feed into our KPI databases.You implement and manage containerization and orchestration using Docker and Kubernetes, driving continuous improvement in system resilience and platform management.You oversee deployment automation to ensure seamless, zero-downtime releases within a continuous integration/continuous deployment environment.You monitor service health, respond to incidents, and proactively resolve potential bottlenecks before they impact operations.You collaborate closely with our technical and business teams to align backend systems with operational needs and ensure clean API integrations. Job Requirements You bring at least 5 years of software development experience and extensive knowledge of Node.js / TypeScript / Go / MySQL or similar technologies.You possess proven experience in designing and maintaining backend integrations (e.g., connecting ERP systems like SAP with external services or fulfillment partners) and building KPI data pipelines.You offer strong container skills, specifically with Docker and Kubernetes.You are strongly familiar with continuous integration tools and workflows (e.g., Git, Azure DevOps).Ideally, you are familiar with current AI tools, limitations, and best practices for leveraging AI in architecture and development.You preferably bring relevant domain knowledge in developing, scaling, or maintaining e-commerce systems or headless platforms.You display strong problem-solving skills, a focus on quality, and great attention to detail.You have excellent written and spoken English skills, German language skills are a plus. Why Us Work-Life Balance: We offer working time models that suit different lifestyles. In addition to our flextime working hours, you can work from home up to three days per week.Workation: Combine work with exploring new places. At Nuki, you can enjoy up to three weeks of workation per year.Choose your setup: Windows, Mac, or Linux — it’s your choice. When you join Nuki and once a year thereafter, you also receive a hardware allowance that you can use for devices such as a smartphone, tablet, headphones, or home-office equipment.Grow your skills: Develop yourself through internal Nuki Academy seminars, workshops, language courses, and free Udemy offerings, or choose further training of your choice.Green mobility: We support sustainable mobility and cover the cost of your annual public transport ticket (Klimaticket). Alternatively, parking spaces and charging stations for electric cars are available in our garage.Diversity: People from more than 15 nations work with us. If you are relocating from abroad, we provide comprehensive and free support for your move to Austria.Additional days off: You receive 26 vacation days per year — December 24 and 31 are additional days off. For the advertised position, a minimum salary of € 3,954.00 gross per month applies according to the collective agreement (no all-in). Willingness to significantly overpay if you have the appropriate qualifications. This position is open for applications in Graz. About Us At Nuki, we’re constantly opening new doors and working toward a completely keyless future. As one of Austria’s fastest-growing companies, we offer innovative products, a dynamic team of more than 130 people, and more than one million satisfied users. We are pioneers in the Smart Home sector and are looking for people like you who aren’t satisfied with the status quo and are ready to take on responsibility quickly. We look forward to getting to know you!