
Jack Waller developed and maintained core infrastructure for the drift-labs/dlob-server and related repositories, focusing on scalable real-time data delivery and deployment reliability. He engineered features such as aggregated order book visualization, dynamic Redis routing, and AWS Kinesis-based snapshot streaming, using TypeScript and Node.js to ensure robust backend performance. Jack standardized build automation with Yarn, enhanced CI/CD pipelines via GitHub Actions and Docker, and improved observability with logging and metrics. His work included gRPC integration, WebSocket optimizations, and rigorous dependency management, resulting in stable, maintainable systems that supported business-critical trading operations and enabled rapid, reliable feature delivery across environments.
February 2026 monthly summary: Delivered key features and stability improvements across drift-labs/protocol-v2, drift-labs/dlob-server, and drift-labs/keeper-bots-v2. Upgraded gRPC libraries and platform dependencies, fixed streaming subscription reliability, and improved code quality, resulting in stronger security, deployability, and performance.
February 2026 monthly summary: Delivered key features and stability improvements across drift-labs/protocol-v2, drift-labs/dlob-server, and drift-labs/keeper-bots-v2. Upgraded gRPC libraries and platform dependencies, fixed streaming subscription reliability, and improved code quality, resulting in stronger security, deployability, and performance.
January 2026 performance summary: Delivered stability-focused gRPC and deployment improvements across protocol-v2, dlob-server, and keeper-bots-v2. Key outcomes include upgraded Yellowstone gRPC bindings with stabilized streaming and channel options, enhanced type-safety for gRPC ChannelOptions and improved order subscriber in dlob-server (with a client version bump), and Docker image optimizations (slim base image in dlob-server and latest gRPC library in keeper-bots-v2). Reverts were executed to restore stable keepalive behavior when needed, reflecting disciplined risk management. Documentation updates and lint cleanup improved maintainability. These changes collectively improve subscription reliability, deployment efficiency, and cross-service compatibility.
January 2026 performance summary: Delivered stability-focused gRPC and deployment improvements across protocol-v2, dlob-server, and keeper-bots-v2. Key outcomes include upgraded Yellowstone gRPC bindings with stabilized streaming and channel options, enhanced type-safety for gRPC ChannelOptions and improved order subscriber in dlob-server (with a client version bump), and Docker image optimizations (slim base image in dlob-server and latest gRPC library in keeper-bots-v2). Reverts were executed to restore stable keepalive behavior when needed, reflecting disciplined risk management. Documentation updates and lint cleanup improved maintainability. These changes collectively improve subscription reliability, deployment efficiency, and cross-service compatibility.
November 2025 monthly summary: Two high-impact deliverables across drift-common and dlob-server drove notable business value. Implemented priority fee tracking and optimization in the CentralServerDrift client to reduce transaction costs. Enhanced the market data publishing pipeline in the DLOB server to publish at least 20 uncrossed levels, refactor bids/asks handling and slippage calculations for greater accuracy and performance, and removed noisy console logging for cleaner operation. Expanded testing to validate uncrossed level publishing and logic changes, improving reliability and maintainability. Overall, these efforts improved trading cost efficiency, data fidelity for strategies, and operator visibility.
November 2025 monthly summary: Two high-impact deliverables across drift-common and dlob-server drove notable business value. Implemented priority fee tracking and optimization in the CentralServerDrift client to reduce transaction costs. Enhanced the market data publishing pipeline in the DLOB server to publish at least 20 uncrossed levels, refactor bids/asks handling and slippage calculations for greater accuracy and performance, and removed noisy console logging for cleaner operation. Expanded testing to validate uncrossed level publishing and logic changes, improving reliability and maintainability. Overall, these efforts improved trading cost efficiency, data fidelity for strategies, and operator visibility.
Month: 2025-10 — Drift Labs: DLOB server delivered reliability improvements and sharpened observability, driving measurable business value through more predictable data delivery and faster issue triage.
Month: 2025-10 — Drift Labs: DLOB server delivered reliability improvements and sharpened observability, driving measurable business value through more predictable data delivery and faster issue triage.
Delivered real-time streaming and data delivery enhancements across drift-labs' server and protocol layers, with a focus on reliability, granularity, and multi-client compatibility. Implemented streaming capabilities for the DLOB server, granular WebSocket orderbook updates, and Laserstream-based program account subscriptions, while ensuring naming consistency and maintainability. A rollback was executed where Laserstream integration introduced stability concerns, with subsequent restorations of core reliability through targeted fixes.
Delivered real-time streaming and data delivery enhancements across drift-labs' server and protocol layers, with a focus on reliability, granularity, and multi-client compatibility. Implemented streaming capabilities for the DLOB server, granular WebSocket orderbook updates, and Laserstream-based program account subscriptions, while ensuring naming consistency and maintainability. A rollback was executed where Laserstream integration introduced stability concerns, with subsequent restorations of core reliability through targeted fixes.
August 2025 summary for drift-labs/keeper-bots-v2: Delivered core feature enhancements, reliability improvements, and observability upgrades that drive throughput, stability, and business value. Key work included refactoring JetProxyTxSender to support multiple submission endpoints, distribute transactions, switch to a single txSig, and improve error handling with Promise.any, complemented by timing instrumentation; introduced TxRecorder for PythCranker transaction metrics and enhanced logging of landed/sent slots and signatures for end-to-end traceability; boosted network performance and observability with HTTP/2, request pipelining via undici, DNS caching, OpenTelemetry instrumentation, and timing logs; and performed maintenance cleanup by removing the liquidator deployment to simplify CI. These changes collectively improve throughput, reduce latency, enable better diagnostics, and simplify maintenance.
August 2025 summary for drift-labs/keeper-bots-v2: Delivered core feature enhancements, reliability improvements, and observability upgrades that drive throughput, stability, and business value. Key work included refactoring JetProxyTxSender to support multiple submission endpoints, distribute transactions, switch to a single txSig, and improve error handling with Promise.any, complemented by timing instrumentation; introduced TxRecorder for PythCranker transaction metrics and enhanced logging of landed/sent slots and signatures for end-to-end traceability; boosted network performance and observability with HTTP/2, request pipelining via undici, DNS caching, OpenTelemetry instrumentation, and timing logs; and performed maintenance cleanup by removing the liquidator deployment to simplify CI. These changes collectively improve throughput, reduce latency, enable better diagnostics, and simplify maintenance.
July 2025 (2025-07) monthly summary for drift-labs/dlob-server: Focused on improving data accuracy and configurability, with two feature enhancements and groundwork for robust ignore-list handling. Emphasis on business value, reliability, and operability of the DLOB service.
July 2025 (2025-07) monthly summary for drift-labs/dlob-server: Focused on improving data accuracy and configurability, with two feature enhancements and groundwork for robust ignore-list handling. Emphasis on business value, reliability, and operability of the DLOB service.
June 2025 monthly summary for drift-labs/dlob-server. Delivered three major capabilities: 1) Aggregated Order Book Data and UI Visualization, enabling multi-level aggregation, grouped data exposure to UI via a dedicated HTML template, and WebSocket connectivity with bandwidth tracking to reduce UI data transfer. 2) DLOB Offload and L3 Snapshot Streaming, introducing an offload queue (AWS Kinesis) and throttling-enabled offloading of L3 snapshots, with refinements to throttle behavior to manage processing load. 3) Configurable Perpetual Markets Loading, making PERP_MARKETS_TO_LOAD configurable via an environment variable with a sensible default, enabling dynamic selection of perpetual markets to load. These changes deliver business value by lowering bandwidth and UI data transfer, enabling scalable streaming, and increasing operational flexibility for market loading. Key commits demonstrating these work include 6522990333754e1ff8e72cb3b137c502dca6f541; acc695052d78af35136bb07a50e64290ac896703; 1d722e167580e2bd0883cd7e2fb1d0e637f82c8f; 756812bbdcfdee01640f97c71fe85a70955e5263; 447eccbd50ebe846c16bb87c6de8df548b6c4182; f806d0c369a42bd43dde4805e1216024f6054539; a9bdf07cfa0e5406d6a02cae87c052260652b515.
June 2025 monthly summary for drift-labs/dlob-server. Delivered three major capabilities: 1) Aggregated Order Book Data and UI Visualization, enabling multi-level aggregation, grouped data exposure to UI via a dedicated HTML template, and WebSocket connectivity with bandwidth tracking to reduce UI data transfer. 2) DLOB Offload and L3 Snapshot Streaming, introducing an offload queue (AWS Kinesis) and throttling-enabled offloading of L3 snapshots, with refinements to throttle behavior to manage processing load. 3) Configurable Perpetual Markets Loading, making PERP_MARKETS_TO_LOAD configurable via an environment variable with a sensible default, enabling dynamic selection of perpetual markets to load. These changes deliver business value by lowering bandwidth and UI data transfer, enabling scalable streaming, and increasing operational flexibility for market loading. Key commits demonstrating these work include 6522990333754e1ff8e72cb3b137c502dca6f541; acc695052d78af35136bb07a50e64290ac896703; 1d722e167580e2bd0883cd7e2fb1d0e637f82c8f; 756812bbdcfdee01640f97c71fe85a70955e5263; 447eccbd50ebe846c16bb87c6de8df548b6c4182; f806d0c369a42bd43dde4805e1216024f6054539; a9bdf07cfa0e5406d6a02cae87c052260652b515.
May 2025 monthly summary for drift-labs/dlob-server focused on stabilizing the data pipeline for mainnet deployments and ensuring production parity. Delivered a non-functional alignment patch to drift-common to match mainnet configuration, and implemented robust safeguards for oracle data ingestion and batch processing without altering core application logic. Upgraded dependencies to improve stability and reliability of oracle data flows.
May 2025 monthly summary for drift-labs/dlob-server focused on stabilizing the data pipeline for mainnet deployments and ensuring production parity. Delivered a non-functional alignment patch to drift-common to match mainnet configuration, and implemented robust safeguards for oracle data ingestion and batch processing without altering core application logic. Upgraded dependencies to improve stability and reliability of oracle data flows.
January 2025 monthly summary for drift-labs/dlob-server: Implemented Build Toolchain Standardization by switching the project from Bun to Yarn, updated the Dockerfile to use Yarn for installations and builds, and aligned dependency versions to yarn.lock to ensure reproducible builds across development, CI, and production. This change reduces environment drift, improves build reliability, and accelerates onboarding for new contributors. No additional major features or critical bugs fixed this month.
January 2025 monthly summary for drift-labs/dlob-server: Implemented Build Toolchain Standardization by switching the project from Bun to Yarn, updated the Dockerfile to use Yarn for installations and builds, and aligned dependency versions to yarn.lock to ensure reproducible builds across development, CI, and production. This change reduces environment drift, improves build reliability, and accelerates onboarding for new contributors. No additional major features or critical bugs fixed this month.
December 2024 focused on strengthening deployment reliability, traceability, and developer velocity across drift-labs' core platforms. Key outcomes include end-to-end CI/CD automation for DLOB and KeeperBots workflows, improved Docker tagging for clarity, and on-demand deployment controls, all while enhancing data integrity in messaging and ensuring SDK-history-server alignment during updates. These efforts reduce deployment friction, enable faster delivery of business capabilities, and improve cross-team collaboration.
December 2024 focused on strengthening deployment reliability, traceability, and developer velocity across drift-labs' core platforms. Key outcomes include end-to-end CI/CD automation for DLOB and KeeperBots workflows, improved Docker tagging for clarity, and on-demand deployment controls, all while enhancing data integrity in messaging and ensuring SDK-history-server alignment during updates. These efforts reduce deployment friction, enable faster delivery of business capabilities, and improve cross-team collaboration.
Concise monthly summary for 2024-11 focusing on drift-labs/dlob-server infrastructure improvements and scalability. No major bugs reported this month; primary work consisted of refactoring and feature work to support dynamic Redis client configuration and environment-driven routing for Helius trades. The changes align with infrastructure migrations and enable faster adaptation to future Redis-based data paths.
Concise monthly summary for 2024-11 focusing on drift-labs/dlob-server infrastructure improvements and scalability. No major bugs reported this month; primary work consisted of refactoring and feature work to support dynamic Redis client configuration and environment-driven routing for Helius trades. The changes align with infrastructure migrations and enable faster adaptation to future Redis-based data paths.

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