Java Developer, CDP API
- Design and implement core authentication and authorization including POST /auth/token endpoint, JWT validation middleware, and entitlement enforcement layer
- Build and maintain entitlement decision cache with invalidation on entitlement changes
- Standardize API error handling with correlated request IDs and configure Apigee for auth pass-through and rate limiting
- Develop catalog APIs with entitled metadata exposure and full-text/faceted search
- Build core data access endpoints with shared cursor-pagination and query-filter executor
- Implement synchronous and asynchronous read paths through the Query Accelerator for various query types
- Implement non-blocking usage-event emission and GET /usage/me summary endpoint
- Build MCP tool-definition generator kept in sync with OpenAPI contract via CI
- Contribute to API design during discovery including OpenAPI v1 contract, query/pagination grammar, auth/entitlement architecture, and MCP tool-definition and usage-event schemas
- Hands-on experience building and deploying services on Google Cloud Platform (GCP) including Cloud Run, IAM, Cloud Logging/Monitoring, and GCP networking
- Strong core Java (17+) and modern JVM development skills
- Experience with Quarkus or Spring Boot with willingness to work in Quarkus
- REST API design and implementation skills with OpenAPI/contract-first development
- Automated testing discipline including unit tests, contract and integration testing
- Experience with CI/CD pipelines and containerised deployment
- Ability and willingness to work within AI-agent-first software development model using agentic development platforms and AI coding assistants
- JavaScript/TypeScript skills
- Familiarity with major data vendors (LSEG/Refinitiv, Bloomberg, S&P) and with financial, ESG/sustainability, or capital-markets data
- Familiarity with MCP or reusable Skills
- Hands-on experience building AI/ML-powered solutions — agent frameworks (LangGraph, CrewAI, or AutoGen), LLM APIs (Anthropic Claude, OpenAI), prompt engineering, RAG, and evaluation — and deploying and monitoring agentic systems at scale
- Salary range: HUF 16,150,000 - HUF 17,765,000 per year plus eligible for annual bonus
- Transparent compensation schemes and comprehensive employee benefits tailored to location
- Flexible working arrangements, advanced technology, and collaborative workspaces
- Global network of talented colleagues for inspiration, support, and expertise sharing
- Global Orientation program and access to Learning@MSCI platform, AI Learning Center, LinkedIn Learning Pro and tailored learning opportunities
- Multi-directional career paths offering professional growth and development through new challenges, internal mobility and expanded roles
- Inclusive environment with eight Employee Resource Groups
- Competitive benefit package including voluntary pension fund contribution, life, accident and healthcare insurance, short-term disability/sickness benefit, yearly medical screenings, paternity leave, glasses contribution, travel reimbursement
- Cafeteria benefits including Széchenyi Recreation Card/SZÉP Card, tax free nursery/kindergarten benefit, voluntary healthcare fund contribution, voluntary pension fund contribution