Middle / Senior / Lead Java SDE (GL)

We are looking for Middle / Senior / Lead Java Software Engineers to support and contribute to open-source data platform projects that promote a cloud lakehouse ecosystem. The team works on Apache Iceberg and adjacent OSS integrations, including Flink compatibility, Trino and Hive4 support, custom metastore client implementation, and cross-project compatibility testing. Tasks Support Apache Flink and Iceberg v3 specification work, compatibility improvements, authentication gap fixes, and community-approved feature implementation; Add support for Trino and Hive4 in a custom IMetastoreClient implementation for BigLake; Implement compatibility test cases for Apache Iceberg across languages and projects; Work with private repository code that is being prepared for open sourcing; Contribute to technical design, implementation, testing, and review activities across the OSS support scope; Collaborate with engineering stakeholders and align implementation details with community consensus where needed. Requirements Commercial Java engineering experience for data-intensive systems; Experience with Java data processing frameworks such as Flink, Spark, Kafka, or Beam; Understanding of data lake or lakehouse architecture; Hands-on experience with Google Cloud Platform services such as BigLake, KMS, or GCS ecosystem; Practical Python experience for tooling, tests, or integration work; Ability to work with compatibility testing, cross-system integrations, and open-source-oriented implementation workflows; Technical leadership experience for Lead-level candidates; Upper-Intermediate English level and clear communication with distributed engineering teams. Nice to Have: Apache Iceberg experience; OSS community contribution experience; Cross-system integration experience. Working Conditions: Overlap: by 10AM PST. B2B contract Locations: Egypt, Armenia, Kazakhstan, Georgia.