**What You'll Do:** As a Senior Fullstack Engineer, you’ll play a key role in developing and maintaining the Validaide platform, a critical tool used by pharmaceutical companies and logistics providers worldwide. You will: - Design, develop, and maintain backend features in the Validaide platform - Own and improve services, tools, and processes to ensure operational excellence - Collaborate with QA, product owners, and fellow developers to deliver secure and maintainable features - Write clean, well-documented code and participate in code reviews - Develop and maintain automated tests using PHPUnit and Behat - Create and update technical documentation for new and existing systems - Optimise performance and scalability of the application - Ensure compliance with regulatory standards such as FDA 21 CFR Part 11 and EU GMP Annex 11

• Go services for SLA enforcement, capacity management, compliance routing, identity routing, auth, and billing integration • High-concurrency routing and policy logic for customer AI workloads • Integrations with Kubernetes capacity APIs, identity-routing systems, Redis, billing systems, and observability systems • Redis-backed quota, rate-limit, routing-cache, and failover behavior • Tenant-isolation and compliance-enforcement logic that works under real load • Failure-mode tests for degraded dependencies, Redis failover, and inconsistent capacity state

Role Description As a Backend Software Engineer in the Applications Team, you will help build and maintain the backend services that power Sparetech’s customer-facing web application. You’ll work closely with frontend engineers (React/TypeScript), Product, and Design to deliver reliable, secure, and scalable user-facing workflows (e.g., collaboration, search, material management, BOM self-service, Insights). - Be a central pillar for the success of SPARETECH in the early stages of our startup by contributing your own ideas and participating in decisions. - Continuously develop your skills through hands-on learning and access to the latest technologies. - Own features end-to-end: from requirements and technical design to implementation, testing, rollout, and support. - Work in a fast-paced, collaborative environment with a focus on delivering high quality solutions on time. - Solve complex product problems and collaborate with a cross-functional team of product managers, designers, and fellow engineers. Qualifications - 3-5 years of professional software engineering experience with JVM-based languages (Java, Kotlin, Scala). - Hands-on experience building and maintaining backend systems in cross-functional teams. - Working knowledge of relational databases (e.g., PostgreSQL, MySQL) and query optimization. - Collaborative approach to working and communication with stakeholders, product managers, designers, and engineers across the stack. - Comfortable debugging and resolving issues in distributed systems / production environments autonomously. - Care about clean code, testing, performance, and pragmatic software craftsmanship. Requirements - Experience with workflow-heavy, user-facing products. - Familiarity with CI/CD, cloud infrastructure, containerized environments, observability tooling. - Exposure to search technologies (e.g., Elasticsearch). Benefits - A remote-yes company, where you can decide every day whether you work from home, at our Stuttgart or Munich office, or at any Design Office in Germany. - A permanent employment contract, 30 days of vacation, and the opportunity to participate in the company's success through our VSOP program. - Modern hardware and the frame for a height-adjustable desk. - An annual training budget of 1000,00 EURO for your professional development. - In Germany: A subsidized job bike to escape city traffic and a Wellpass gym membership to stay active. - A dynamic start-up atmosphere and an international team in which new ideas, creative approaches, and cooperation at eye level are valued. - Corporate Benefits, including discounts on fashion, travel, and much more from various companies. Company Description SPARETECH's vision is to empower the zero-waste industrial sharing economy by enabling maintenance and procurement teams at manufacturing leaders like Bosch, Porsche, and Nestlé to reduce MRO spend and optimize inventory through accurate part information, internal transparency, and market visibility. To achieve this, we have built, and continue to build, an AI-powered MRO software that connects all players in the spare parts ecosystem, from manufacturers and suppliers to the people working behind the machines. By facilitating the exchange of data, knowledge, and expertise, we create shared visibility that empowers smarter decisions, reduces waste, and drives seamless collaboration. This connected spare parts intelligence unlocks value that extends far beyond software. Backed by Insight Partners, SPARETECH is accelerating its growth with a strong focus on product innovation and team excellence. We take pride in our inclusive and collaborative culture, as well as our energetic and committed team.

• Lead the design, development, and maintenance of core game systems using Unreal Engine 5 and C++ • Define and drive technical architecture and best practices across the project • Mentor and support engineers through code reviews, guidance, and knowledge sharing • Collaborate closely with design, art, and production teams to align technical and creative goals • Oversee performance optimization and scalability across platforms (PC/console) • Identify technical risks early and propose effective solutions • Manage and improve development workflows, tools, and pipelines • Ensure code quality, maintainability, and long-term project health