📞 Connect
💼 Experience
Lead Developer & Technologist @ Custodiex
- Role: One of five early tech employees, architecting, developing, and maintaining cold storage solution for crypto assets
- Key Achievements
- Designed and built core of the solution responsible for efficient and scalable blockchain transaction verification and signing for Ethereum, Bitcoin, Bittensor, and Polygon networks
- Introduced support for ERC-20, ERC-721, and ERC-1155 token transactions
- Architected and developed blockchain transaction tracking solution that saved the company over £15k/month
- Designed secure code signing protocol to support remote code update for air-gapped environment
- From 2024 built and managed Development Team in Budapest (2 people)
- Worked on Secure Development Lifecycle Policies and incorporated them to the development process
- Introduced static analysis for Java (PMD) and Python (mypy, pylint) code base and included it to the CI/CD pipeline
- Planned and oversaw migration from AWS CodeCommit to GitHub including introducing automated GitHub workflows
- Found security bug in a FIPS approved HSM relating to AES-GCM key wrapping with additional authenticated data
- Pitched to over 100 startups at WebSummit, maintained and managed relationships afterwards
- Architected, developed, and maintained following solutions (click open to see)
- Skills
- Programming languages, interfaces, and libraries:
- Java: JNI, Log4j, BouncyCastle, web3j, bitcoinj, JUnit, jedis
- Python: pymongo, bitcoin-utils, ecdsa, mypy, pylint
- C: PKCS#11
- Rust: serde_json, reqwst, ring, log4rs
- AWS services: Lambda functions, SNS, SQS, CodePipeline, CodeCommit, Secrets Manager, EC2, CloudFormation
- Other hard skills: MongoDB, Cryptography, Risk Management, Blockchain, Linux, Redis, RabbitMQ, Jira
- Soft skills: Independence, Multitasking, Teamwork, Leadership, Critical Thinking, Presentation
Frontend engineer @ Realogic
- Role: Was brought in as a frontend developer for a summer project during my university years
- Key Achievement: Revised and updated old code bases to modern development standards
- Skills: Typescript, Angular, JointJS
Course Instructor @ Eötvös Loránd University
- Role: Contracted to the university during my bachelor years, taught Functional Programming (Haskell) and Java to four groups with an average of 20 participants
- Key achievements
- Mentored students and explained complex concepts to freshers such as recursion
- Received nearly 5/5 rating with no less than 4 point in feedback from anonymous student survey
- Skills: Java**,** Haskell, ****Teaching, Mentoring, Attention to Detail