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Qualysoft

Qualysoft is a one-stop shop for IT services and digitizing your business needs.

Full-stack Python Engineer

Backend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 501-1,000Since 1999H1B No SponsorCompany SiteLinkedIn

Location

Romania

Posted

21 hours ago

Salary

0

Seniority

Senior

Job Description

Full-stack Python Engineer

Qualysoft

• 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.

Job Requirements

  • 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).

Benefits

  • 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
  • Flexibility to choose projects aligned with your career path and technical goals
  • Access to leading learning platforms, courses, and certifications (Pluralsight, Udemy, Microsoft, Google Cloud)
  • Career growth & learning – mentorship programs, certifications, professional development opportunities, and above-market salary

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