Currently, we have an exceptional opportunity for a Principal Engineer to join our team at HTD Health. We are looking for a high-level expert who is still a passionate developer at heart, but also wants to act as a strategic partner for our clients and a mentor for our engineering culture. In this role, you will combine hands-on coding with high-level consultancy. You will lead by example—implementing the best practices you preach, while ensuring our clients receive world-class technical guidance. If you want to code, lead, and shape the future of HealthTech, we want to meet you!Your daily life in HTD will be focusing around: Working with development team (or teams), delivering enterprise-level software built with both high-impact features and layers of maintainability and observability. Ensuring work quality through overseeing the technical analysis, planning, execution as well as meticulous reviews and mentoring throughout the process. Working closely with clients (and their dev teams) to align technical decisions with business goals, acting as the main point of contact for everything related to our technical cooperation. Being the 'go-to' person for team talks, internal workshops, and hackathons—actively raising the technical bar for everyone. Comparing tools and services to provide authoritative recommendations for new projects or features. Keeping technical debt visible and ensuring that stakeholders understand the importance of application stability and observability. What you can expect from us: Salary depending on your skills, experience and position level:– PLN 22 000 – 26 300 gross on employment contract– PLN 26 000 – 31 500 + VAT on a B2B contract 25 paid days off (B2B/UZ) Flexible working hours Possibility of working 100% remotely Personal educational budget: conferences, courses, workshops, and more Private medical care Multisport Plus+ member card or cinema tickets MultiLife package All necessary equipment such as MacBook, additional monitor and accessories What we need from you: Hands-on Technical Excellence: At least 6+ years of commercial experience in .NET (C#). You still love writing code and believe in delivering readable, maintainable software covered with automated tests. Architectural Vision: Deep understanding of Microservices, Distributed Systems, and API Design (REST, GraphQL, gRPC). Radical Accountability: You are the first to identify and report risks of delay or priority shifts. You proactively confirm that plans are valid, understanding that 'no news is not good news.' Refinement & Analysis Mastery: You take ownership of the technical analysis for upcoming functionalities, ensuring the team understands the what and how before the sprint begins. Estimation & Planning: You set the standard for realistic and complete work estimation, helping the team and the client build predictable roadmaps. Client Partnership: You are a natural communicator (C1 English) who can talk to both developers and business stakeholders, creating RFC and other types of technical documentation, explaining technical debt, reliability, and observability in a way that creates buy-in. Quality Leadership: A drive to implement best practices that serve as a reference for others and set the quality standards (not only for code but also for how you work with the internal and customer development teams) both internally and externally. Hands-on experience with AWS, Azure, or GCP and Infrastructure as Code (Terraform). We appreciate if you have: Experience in other backend or frontend languages and curiosity for new technologies. Proficiency in leveraging AI tools (e.g., GitHub Copilot, LLMs) to optimize development workflows and code quality. Interest or experience in navigating regulatory standards like HIPAA or GDPR.