Alexander Arlt
Freelance Software Engineer at Ethereum
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolAlexander Arlt is a Berlin-based freelance software engineer with eight years of professional experience and a deep background in embedded systems for automotive and energy sectors. He combines low-level C/C++ expertise—AUTOSAR stacks, CAN gateways, and real-time gateways—with systems engineering and CI/test infrastructure design to deliver robust, safety-conscious products. Recently he has pivoted toward decentralized systems and contributes to the flagship ethereum/solidity repository, where he has improved compiler checks, JSON APIs and added security hardening like virtual destructors. Founder of arlt-labs, he also builds consumer-facing mobile products (Lingolize) while offering architecture and low-level development services, reflecting both product intuition and engineering rigor. Known for bridging device-level constraints with modern toolchains, he brings pragmatic solutions to complex integration and security challenges.
8 years of coding experience
11 years of employment as a software developer
Diplom Informatiker (FH), Distributed Systems & Artificial Intelligence, Diplom Informatiker (FH), Diplom Informatiker (FH), Distributed Systems & Artificial Intelligence, Diplom Informatiker (FH) at Brandenburg University of Applied SciencesTechnische Universität Berlin
German, English, Spanish
Github Skills (10)
smart-contracts10
compiler-design10
solidity10
blockchain10
security9
parsing9
json-parser9
it-security9
json9
jsonp9
Programming languages (12)
Github contributions (5)
ethereum/solidity
Feb 2018 - Jan 2023
Solidity, the Smart Contract Programming Language
Role in this project:
Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:1066 reviews, 243 commits, 243 PRs in 5 years
Contributions summary:Alexander contributed to the Solidity codebase, focusing on improvements to the compiler and the implementation of new language features. They implemented enhancements to error checking, added new API functionality related to JSON parsing and built-in functions, and fixed existing issues. They also made security-related improvements by adding virtual destructors to base classes.
cppsmart-contractethereumcontractblockchain
Fintech-IRI/solidity
Jul 2018 - Aug 2021
Solidity, the Smart Contract Programming Language
Contributions:2 commits in 3 years 1 month
smart-contractethereumcontractblockchainplutus
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