sai = DataEngineer(
role = "Senior Data Engineer @ Perfios",
building = "KScan AI — Smart Business Intelligence (30M+ businesses, 750+ sources)",
superpower= "real-time data systems + AI agents (MCP) at scale",
shipped = ["850+ Airflow DAGs", "350M+ records on ClickHouse",
"declarative stitch framework → 95% fewer Spark jobs"],
open_source = ["TensorFlow", "Django", "Apache Kafka", "Apache Superset",
"Apache Airflow", "apple/container", "TheAlgorithms",
"Headroom", "supermemory", "AIOS"], # 20 merged PRs across 12 repos ↓
portfolio = "https://sepuri-sai-krishna.pages.dev", # chat with my AI agent here
)20 merged PRs across 12 projects with a combined ⭐ 736k+ — including TensorFlow, Django & Apache Superset.
| Project | Stars | What I shipped |
|---|---|---|
| tensorflow/tensorflow | Fixed NaN gradient of tf.math.igamma at a=1, x=0 — merged PR ↗ |
|
| django/django | Fixed simplify_regex() with multiple unnamed groups — merged PR ↗ |
|
| TheAlgorithms/Java | Fixed out-of-bounds & infinite-loop bugs in Fibonacci/Exponential/Jump search — 3 merged PRs ↗ | |
| apache/airflow | Fail deferred Cloud Composer tasks on GCP operation errors — merged PR ↗ | |
| apache/superset | Fixed case-insensitive match ranking in dropdown search — merged PR ↗ | |
| DeusData/codebase-memory-mcp | Bounds-checked the Cypher query engine against stack overflow & silent corruption — 4 merged PRs ↗ | |
| headroomlabs-ai/headroom | Fixed broken release-metadata script reference — merged PR ↗ | |
| apple/container | Null-safety & safe-I/O fixes — 4 merged PRs ↗ | |
| Alishahryar1/free-claude-code | Hardened pydantic validation — merged PR ↗ | |
| apache/kafka | Fixed ListDeserializer silently deserializing truncated/corrupted entries — merged PR ↗ |
|
| supermemoryai/supermemory | Blocked IPv6 literals in the OG-scraper SSRF guard — merged PR ↗ | |
| agiresearch/AIOS | Safer, efficient data retrieval implementation — merged PR ↗ |
🔭 Also currently in review across Apache Spark, Kafka, Elasticsearch, CPython & more (33 open PRs)
| Project | Stars | Pending PR |
|---|---|---|
| python/cpython | Reject fractional seconds without a decimal mark in C fromisoformat — review ↗ |
|
| TheAlgorithms/Python | 2 open PRs — review ↗ | |
| colbymchenry/codegraph | 2 open PRs — review ↗ | |
| apache/spark | 2 open PRs — review ↗ | |
| elastic/elasticsearch | ESQL attribute-qualifier fix — review ↗ | |
| nginx/nginx | Early-hints byte accounting & header fixes — review ↗ | |
| apache/kafka | LocalLeaderEndPoint UNDEFINED_EPOCH fix — review ↗ |
|
| apache/cassandra | Fixed deserialization of column masks in cluster metadata — review ↗ |

