IBM

Senior Software Developer

Senior developer working on database internals, query planning/optimization, and distributed execution using Scala/Java, Spark internals, Kubernetes/Docker, and Linux profiling, building large-scale data pipelines and cloud-native components with strong systems and performance focus.

Spark developer

Senior Spark/Scala developer building scalable batch and real-time data pipelines using Spark, Scala, Kafka, Hive, HBase, and cloud platforms. Focus on performance tuning, distributed processing, CI/CD, and mentoring within large-scale big-data systems.

Scala Developer

Lead Software Developer

Lead Rust developer driving architecture and performance rewrites for a high-throughput MCP gateway using Tokio, hyper, Axum/Actix, zero-copy streaming, Rust-Python interop, cross-platform systems work, and benchmarking, while setting Rust standards and mentoring engineers.

Cobol Developer - Japanese Bilingual

COBOL developer working on z/OS applications using COBOL, JCL, DB2, VSAM, and CICS, handling design, development, tuning, and incident support, with Japanese bilingual capability and exposure to mainframe workflows and change management.

Big Data Engineer with Spark

Data engineer using Spark with Scala/Java to build scalable ETL and data processing pipelines, integrating Docker/Kubernetes, Airflow, REST APIs, HVault security, and COS/Cassandra, with optional Kafka and CI/CD exposure.

Software Developer

Senior Rust developer rewriting performance-critical gateway components using async Rust, delivering zero-copy streaming, JSON-RPC optimization, cross-platform binaries, Rust-Python interop, benchmarking, and high-throughput microservice infrastructure.