Principal Engineer
Svitla Systems Inc. is looking for a Principal Engineer / SaaS Platform Architect for a full-time position (40 hours per week) in Europe. Our client is a leading global provider that gathers information and reports to enhance the environmental and social impacts on the business.
Requirements:
Strong knowledge of at least one of the languages, such as C#/.NET, Java, Python, or TypeScript.
Experience in designing and implementing modern authentication/authorization using the OpenID Connect Protocol and OAuth2.
Familiarity with common attack vectors to web applications (OWASP top 10) and understanding how to design software that is secure by default.
Deep understanding of Azure, Azure Container Apps, App Services, Functions, Service Bus, Azure SQL/Postgres, Front Door.
Expertise in designing and building multi-tenant SaaS architectures (you've shipped, not just designed).
Understanding of scalability patterns: horizontal scaling, async processing, caching, and sharding.
Familiarity with microservices, event-driven systems, and knowing when a monolith is actually the right call.
You embrace ambiguity, drive decisions, and take extreme ownership of outcomes.
You stay current with new technologies and patterns (including new AI/GenAI technologies). You tinker with new tech on weekends because you love it.
You balance "boring technology" stability with modern AI-driven innovation.
You can clearly explain complex AI/cloud concepts to non-technical stakeholders.
You hold "strong opinions, loosely held." You adapt quickly when requirements or technology shift.
You elevate the team's bar through code reviews, pairing, and design discussions, not just edicts.
Have a modern, engineering-first mindset.
You donʼt wait to be told what to do and define the path forward when the problem is ambiguous.
Big Plus:
10+ years of experience in software engineering/architecture.
Experience with Unity Catalog, Delta Lake, Workflows, Databricks SQL.
Knowledge of integration of Azure OpenAI/LLMs into production workflows
Knowledge of RAG patterns.
Familiarity with agentic workflows and tool-calling architectures.
A STEM degree from a reputable University.
Responsibilities:
Architect and build a secure, scalable multi-tenant SaaS platform on Azure.
Make pragmatic architectural decisions (monolith vs. microservices) based on constraints, maturity, and outcomes.
Implement resilient services: horizontal scaling, async processing, and caching.
Build for production from day one: observability, reliability, cost control, and operational excellence.
Raise the engineering bar through pairing, code reviews, and clear technical direction.
We offer:
US and EU projects based on advanced technologies.
Competitive compensation based on skills and experience.
Regular performance appraisals to support your growth.
Flexibility in workspace, either remote or our welcoming office.
Bonuses for article writing, public talks, and other activities.
Generous time off, including vacation, national holidays, sick leaves, and family days.
Personalized learning programs tailored to your interests and skill development.
Free tech webinars and meetups organized by Svitla.
Regular corporate online activities.
Awesome team and a friendly, supportive community!

Svitla Systems
Svitla Systems is a global digital solutions company with over 20 years of industry experience, presence across 15 countries, and a team of 1,000+ skilled tech experts, creators, and visionaries. We empower businesses ac...
Principal Engineer
Principal Engineer