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INTERMEDIATE JAVA DEVELOPER (GYT)

Hungary - Budapest

Tech People is a European provider of technical skills permanent recruitment and temporary contracting services for multiple industries.

Currently we are looking for

INTERMEDIATE JAVA DEVELOPER (GYT)


Location: Budapest, XI. district, hybrid (2 days in office)

Salary: competitive

Type of employment: full time, employee


Responsibilities:

  • Development of TMF Party and Customer Open APIs, ensuring strict adherence to TM Forum standards
  • Design and maintain a highly scalable MongoDB schema that utilizes advanced patterns (Extended Reference, Polymorphic) to handle nested partner and customer relationships
  • Build a reusable "TMF-Core" framework that handles common concerns: JSON-Patch updates and standardized error handling
  • Implement automated JSON Schema validation and ensure the platform achieves 100% compliance with the official TMF Conformance Test Suite (CTK)
  • Architect and develop secure data access layers using OAuth2 and Scopes, ensuring that Partner data is isolated and protected against unauthorized access
  • Optimize complex MongoDB aggregation pipelines and indexing strategies to maintain sub-100ms response times for large-scale partner lookups

Requirements:

  • 3-5 years of experience in Java (Spring Boot 3.x) with a focus on enterprise-grade microservices
  • Experience with NoSQL modeling (Document Versioning, Bucketing) and in MongoDB’s Aggregation Framework
  • Experience with RESTful principles and managing deeply nested JSON structures
  • Familiarity with the TM Forum SID (Shared Information Data) model and the relationship between Party and Role entities
  • Familiarity with Kafka or RabbitMQ
  • Familiarity with Ajv (Node) or Hibernate Validator (Java)
  • Fluency in English (written and spoken).
  • Candidate needs to be eligible to work in Hungary

Nice to have:

  • Telecom domain knowledge
  • Experience with Docker, Kubernetes, and Terraform
  • Knowledge of OpenID Connect (OIDC) and API Gateway configuration (e.g., Kong or Apigee)
  • Experience with Contract Testing (Pact) to ensure API stability across different partner versions


To apply for this opportunity, please register you CV, or for more information +36 30 599 6319 Gyöngyvér Komjád

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