Principal Software Engineer

Location: Bucharest Workplace: OnSite LIFE AT UIPATH The people at UiPath believe in the transformative power of automation to change how the world works. We’re committed to creating category-leading enterprise software that unleashes that power. To make that happen, we need people who are curious, self-propelled, generous, and genuine. People who love being part of a fast-moving, fast-thinking growth company. And people who care—about each other, about UiPath, and about our larger purpose. Could that be you? YOUR MISSION As a Principal Software Engineer, you will help define and evolve the technical strategy for cloud services that power critical automation capabilities across the UiPath platform. You will lead architecture and design across complex backend and distributed systems, often working through ambiguity, dependencies, and cross-team impact. You will help teams make the right technical tradeoffs across scalability, reliability, security, customer experience, operational excellence, and cloud cost, while setting engineering standards that support UiPath’s current and future growth. WHAT YOU'LL DO AT UIPATH - Lead the architecture and technical direction of complex backend and cloud-native services across the UiPath platform. - Design scalable, secure, reliable, and high-performing distributed systems across cloud, on-premises, and hybrid environments. - Partner with engineering leaders, architects, product managers, and cross-functional teams to shape technical solutions for high-impact product and platform areas. - Drive technical planning and roadmap input for complex services, platform capabilities, or cross-team initiatives. - Identify long-term scalability, reliability, security, performance, and cost challenges, and lead the design of sustainable solutions. - Set high standards for system design, code quality, testing, observability, automation, incident management, and engineering excellence. - Mentor and guide engineers through design reviews, technical discussions, architecture decisions, and hands-on technical feedback. WHAT YOU'LL BRING TO THE TEAM - 7+ years of software engineering experience, with strong backend and cloud development experience. - Hands-on experience with one or more modern programming languages such as C#, Java, Python, or Go. - Strong experience designing and building distributed systems, microservices, APIs, and cloud-native architectures. - Proven ability to influence technical direction and drive architecture decisions across teams. - Experience building and operating production-grade services in cloud environments such as Azure, AWS, or GCP. - Good knowledge of containers, Kubernetes, CI/CD, monitoring, logging, observability, and production operations. - Strong understanding of system design, data structures, algorithms, multithreading, asynchronous programming, and performance optimization. - Experience with relational and/or NoSQL databases, messaging systems, event-driven architectures, or high-scale data processing. - Ability to balance customer experience, reliability, security, scalability, and cloud cost when making technical decisions. - Strong technical leadership, ownership, and communication skills, with the ability to guide teams through ambiguity. - Interest in automation, AI, developer platforms, enterprise software, or large-scale cloud systems is a plus. Maybe you don’t tick all the boxes above—but still think you’d be great for the job? Go ahead, apply anyway. Please. Because we know that experience comes in all shapes and sizes—and passion can’t be learned. Many of our roles allow for flexibility in when and where work gets done. Depending on the needs of the business and the role, the number of hybrid, office-based, and remote workers will vary from team to team. Applications are assessed on a rolling basis and there is no fixed deadline for this requisition. The application window may change depending on the volume of applications received or may close immediately if a qualified candidate is selected. We value a range of diverse backgrounds, experiences and ideas. We pride ourselves on our diversity and inclusive workplace that provides equal opportunities to all persons regardless of age, race, color, religion, sex, sexual orientation, gender identity, and expression, national origin, disability, neurodiversity, military and/or veteran status, or any other protected classes. Additionally, UiPath provides reasonable accommodations for candidates on request and respects applicants' privacy rights. To review these and other legal disclosures, visit our privacy policy https://www.uipath.com/legal/trust-and-security/privacy-policy.