Qualysoft is a one-stop shop for IT services and digitizing your business needs.
FullStack Java Engineer
Location
Romania
Posted
21 hours ago
Salary
0
Seniority
Senior
Job Description
FullStack Java Engineer
Qualysoft
• Build and maintain backend services using Java 21, Spring Boot, and asynchronous processing patterns. • Design and enhance LLM-based pipeline stages for classification, matching, risk assessment, summarization, and draft generation. • Implement robust structured output validation, retry mechanisms, and error handling for model interactions. • Optimize semantic search using PostgreSQL and pgvector to enable high-quality retrieval of legal precedents. • Extend data models and database migrations with backward-compatible schema changes. • Build and enhance frontend workflows using React and TypeScript, including dashboards, document browsers, extraction review interfaces, and defense generation features. • Integrate real-time progress updates through WebSockets. • Maintain secure authentication and authorization using Keycloak, OIDC, and JWT. • Develop and maintain backend and frontend test coverage while supporting CI quality gates. • Improve observability through distributed tracing, structured logging, and operational dashboards.
Job Requirements
- 5+ years of software engineering experience working on production systems.
- Strong experience in Java backend development, including Spring Boot, REST APIs, and data access layers.
- Solid PostgreSQL expertise, including schema design and query optimization.
- Hands-on experience integrating LLM APIs (OpenAI, Azure OpenAI, Anthropic, or similar).
- Experience with semantic search and vector retrieval technologies (pgvector, Pinecone, Weaviate, or similar).
- 3+ years of experience with React and TypeScript development.
- Practical experience implementing OAuth, OIDC, and JWT authentication and authorization flows.
- Strong testing discipline, including unit, integration, API, and contract 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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