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FullStack Java Engineer

1 month, 2 weeks ago
Romania
Full-time
Senior
AI Engineer
Software Development
Azure CI/CD Docker Java JWT LLM OAuth OpenID Connect OpenTelemetry PostgreSQL React REST API Spring Boot TypeScript WebSockets
Apply Now
Qualysoft

Qualysoft

Founded in 1999 in Vienna, Qualysoft Group is an independent IT consulting and services company that offers tailored IT solutions to international customers. With over 500 specialists in Central and Eastern Europe, Qualysoft ensures the success of ever...

Internet Software & Services
251-1K
Founded 1999
View All Jobs 6

Description

  • 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 structured output validation, retry mechanisms, and error handling for model interactions.
  • Optimize semantic search using PostgreSQL and pgvector to support 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.

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 such as OpenAI, Azure OpenAI, Anthropic, or similar.
  • Experience with semantic search and vector retrieval technologies such as 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.
  • Experience with Azure services, including Azure OpenAI, Document Intelligence, PostgreSQL, and Container Apps, is preferred.
  • Experience with Docker, Docker Compose, and CI/CD pipelines is preferred.
  • Domain knowledge in legal tech, financial services, or other highly regulated industries is preferred.
  • Familiarity with observability stacks such as OpenTelemetry, centralized logging, and monitoring dashboards is preferred.
  • Familiarity with LLM evaluation, guardrails, and regression testing tools such as Promptfoo, DeepEval, Langfuse, Giskard, or Guardrails is preferred.

Benefits

  • Premium medical package.
  • Lunch tickets and Pluxee Card.
  • Bookster subscription.
  • 13th salary and yearly bonuses.
  • Flexible working program with openness to remote work.
  • Supportive culture with ownership, autonomy, healthy work-life balance, team events, and activities.
  • Access to leading learning platforms, courses, and certifications including Pluralsight, Udemy, Microsoft, and Google Cloud.
  • Mentorship programs, professional development opportunities, and above-market salary.

Interested in this position?

Apply directly on the company website

Apply Now

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