CLR3

New North AmericaPart-time

Data Engineer for On-Chain Pipelines

Data Pipelines Parquet Python Rust Solana +1 skills

Designs and operates large-scale data pipelines that decode years of Solana and Hyperliquid on-chain history into validated Parquet files for researchers, ensuring correctness via validation, checksums, and lineage docs. Core stack is SQL with Python, Rust, or Go, plus Parquet and DuckDB.

Frontend Engineer

Accessibility API Api Design Next.js React +1 skills

Frontend Engineer at CLR3 building dashboards, checkouts and consoles in React, Next.js and TypeScript. You own product surfaces end to end on a small Toronto-based team (office part of the week), with focus on performance, accessibility and the checkout/conversation UI for their product eeze.

Frontend Engineer: Data-Driven Dashboards & Checkout UI

Accessibility API Next.js React TypeScript

CLR3, a Toronto company, is hiring a frontend engineer to build data-driven dashboards, checkout flows and user-facing surfaces with React, Next.js and TypeScript. The role owns features end-to-end in a small hybrid team, shipping and iterating on customer feedback with a focus on accessibility, performance and clean API integration.

Data Engineer

API BigQuery Blockchain ClickHouse Data Pipelines +7 skills

Builds and operates large-scale data pipelines that decode Solana and Hyperliquid on-chain history into clean, versioned Parquet files that customers download and query themselves. Core work involves backfills over billions of rows, schema design, data validation, checksums/lineage, and storage tuning for query engines like DuckDB and Polars.

Backend Engineer - Real-Time Data & Low-Latency APIs

CLR3 in Toronto is hiring a backend engineer to design, build, and ship production backend services, APIs, and data pipelines for real-time, high-throughput systems (streaming pipelines, RPC infrastructure, data platforms). The role owns monitoring, on-call, performance, and cost, with direct client collaboration.

API Data Pipelines