Full-stack Python Engineer

**About Qualysoft** · 25 years of experience in software engineering, established in Vienna, Austria · Active in Romania since 2007, with office in central Bucharest (Bd. Iancu de Hunedoara 54B) · Delivering End to End IT Consulting Services - From Team Augmentation and Dedicated Teams to Custom Software Development · We deliver scalable enterprise systems, intelligent automation frameworks, and digital transformation platforms · Cross-industry experience by sustaining global players in BSFI (Banking, financial services and insurance), Telecom,Retail & E-commerce, Energy and Utilities, Automotive, Manufacturing, Logitics, High Tech · Global Presence: Switzerland, Germany, Austria, Sweden, Hungary, Slovakia, Serbia, Romania, and Indonesia · International team of 500+ software engineers · Strategic partnerships: Microsoft Cloud Certified Partner, Tricentis Solutions Partner in Test Automation and Test Management, Creatio Exclusive Partner, Doxee Implementation Partner · Powered by cutting-edge technologies: AI, Data & Analytics, Cloud, DevOps, IoT, and Test Automation. · Project beneficiaries ranging from large-scale enterprises to startups · Stable growth and revenue increase year over year, a resilient organisation in volatile IT market conditions · Quality-first mindset, culture of innovation, and long-term client partnerships · Global and local reach – trusted by key industry players in Europe and the US ### Responsibilities • Build and maintain backend services using FastAPI, Python, and async patterns. • Design and improve LLM-driven pipeline steps for classification, matching, risk assessment, synthesis, and draft generation. • Implement robust structured-output validation, retries, and error handling for model calls. • Optimize semantic search using PostgreSQL and pgvector for high-quality legal precedent retrieval. • Extend data models and Alembic migrations with backward-compatible schema changes. • Build and enhance frontend workflows in React and TypeScript (dashboard, document browser, extraction review, defense generation). • Integrate real-time progress updates via WebSockets. • Maintain secure authentication and authorization with Keycloak, OIDC, and JWT. • Add tests for backend and frontend features and support CI quality gates. • Improve observability with tracing, structured logging, and operational dashboards. ### Qualifications • 5+ years of software engineering experience in production systems. • Strong Python backend development experience (FastAPI or equivalent async framework). • Solid PostgreSQL skills, including schema design and query optimization. • Hands-on experience integrating LLM APIs (OpenAI/Azure OpenAI/Anthropic or similar). • Experience with semantic search/vector retrieval (pgvector, Pinecone, Weaviate, or similar). • 3+ years of React + TypeScript development. • Practical experience with OAuth/OIDC/JWT authentication flows. • Testing discipline (unit, integration, and API testing). ### Nice to have • Experience with Azure services (OpenAI, Document Intelligence, PostgreSQL, Container Apps). • Experience with Docker, Docker Compose, and CI/CD pipelines. • Knowledge of legal-tech, financial services, or compliance-heavy domains. • Familiarity with observability stacks (OpenTelemetry, structured logging, monitoring dashboards). **What We Offer** · Premium medical package · Lunch Tickets & Pluxee Card · Bookster subscription · 13th salary/yearly bonuses · Enterprise job security with a startup mentality (diverse & engaging environment, international exposure, flat hierarchy) under the stability of a secure multinational · A supportive culture (we value ownership, autonomy, and healthy work-life balance) with great colleagues, team events and activities · Flexible working program and openness to remote work · Collaborative mindset – employees shape their own benefits, tools, team events and internal practices · Diverse opportunities in Software Development with international exposure · Flexibi…