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Arun Jangra

PROFILE

Arun Jangra

Worked on advanced cryptographic and cross-chain infrastructure, contributing to the worldfnd/provekit and madara-alliance/madara repositories. Delivered modular arithmetic enhancements and elliptic-curve operations in Rust, introducing trait-based generics to generalize cryptographic arithmetic across field sizes. Optimized multi-scalar multiplication and curve handling, improving proof speed and reliability through code refactoring, expanded test coverage, and CI/CD improvements. Integrated Layer 3 support with Starknet for Madara, refactoring settlement clients and adding Cairo contracts to enable cross-layer settlement workflows. Demonstrated expertise in algorithm design, cryptography, and system integration, focusing on performance, maintainability, and extensibility across both backend and smart contract components.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

32Total
Bugs
7
Commits
32
Features
14
Lines of code
44,285
Activity Months3

Work History

March 2026

29 Commits • 12 Features

Mar 1, 2026

March 2026 (2026-03) monthly summary for worldfnd/provekit focusing on performance, reliability, and capability expansion. Key deliverables include MSM performance optimizations, curve/scalar handling improvements, and code quality investments that together increase proof speed, field support, and pipeline reliability.

February 2026

2 Commits • 1 Features

Feb 1, 2026

February 2026 (2026-02) monthly summary for worldfnd/provekit. Focused on cryptographic arithmetic enhancements and elliptic-curve operations. Key features delivered include modular inverses, integer quotients, and wide-field elliptic-curve support, with trait generics to generalize EC arithmetic across field sizes. Commits associated with these changes: 060adf370a8ff58e2b9c3cbed6af505cb893a5cc; 6ce5e85705475e4a62dc29c0bcadc35eb56dece0. No major bugs fixed this month. Impact and accomplishments center on expanding cryptographic capabilities and performance for large-number operations, enabling more secure protocols and extensible tooling. Technologies/skills demonstrated include Rust-based cryptographic arithmetic, trait-based generics, and performance-oriented design.

April 2025

1 Commits • 1 Features

Apr 1, 2025

April 2025: Implemented Layer 3 (L3) support integration with Starknet and refactored the settlement client to enable advanced cross-layer settlement capabilities for the Madara platform. Delivered new settlement client crates for Ethereum and Starknet, updated dependencies and build configurations, and added Cairo contracts for state updates and messaging to support L3 workflows. Updated environment variables and deployment pipelines to accommodate the L3 framework.

Activity

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Quality Metrics

Correctness92.4%
Maintainability83.8%
Architecture90.6%
Performance87.4%
AI Usage37.6%

Skills & Technologies

Programming Languages

CairoMakefileRustShell

Technical Skills

Algorithm DesignAlgorithm OptimizationBuild System ConfigurationCI/CDCairoCode LintingCode ReviewCross-chain CommunicationCryptographyData StructuresDebuggingDependency ManagementDocumentationElliptic Curve CryptographyError Handling

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

worldfnd/provekit

Feb 2026 Mar 2026
2 Months active

Languages Used

Rust

Technical Skills

Rust programmingalgorithm designcryptographymodular arithmeticAlgorithm DesignAlgorithm Optimization

madara-alliance/madara

Apr 2025 Apr 2025
1 Month active

Languages Used

CairoMakefileRustShell

Technical Skills

Build System ConfigurationCairoCross-chain CommunicationDependency ManagementRustSmart Contracts