Ziad G.-Blockchain Core Protocol Engineer (Cohere)
Check rate
Experience
Blockchain Core Protocol Engineer (Cohere)
Ethereum Foundation
- Attended core developer meetings on Roll Ups, PeerDAS, EVM, and EIP4844.
- Joined Flashbot team and applied changes in MEV project.
- Studied Geth project by running locally and experimenting in a test environment.
- Performed Grooking Bitcoin reading and study.
- Kept updated with new and underdeveloped features in the Ethereum chain.
Cloud Service, Big Data Analytics
Amazon Training
- Used Amazon EC2, S3, IAM, KMS, CloudFormation, Elastic Load Balancer, SNS, and SQS.
- Worked with AWS Lake Formation, AWS Glue, Crawler, RDS, DynamoDB, and Redshift.
- Implemented Elastic Search, Lambda, Aurora, SageMaker, QuickSight, and Virtual Private Cloud.
Software Engineering Consultant
Generation C
- Contributed to new project planning and scalable architecture.
- Provided support for the development team, increasing productivity by 30%.
- Kept updated with new and underdeveloped features in the Ethereum chain.
Senior Software Engineer/ Chapter Lead (Fintech)
Blackstoneeit (Warba Bank)
- Work on massive-scale fintech and banking systems leading distributed backend designs.
- Optimized complex SQL queries and stored using Microsoft SQL Server and PostgreSQL, improving data performance and reliability across critical banking modules.
- Designed and implemented high-throughput async services using Go (goroutines, channels) and Rust (Tokio), ensuring low-latency transaction processing.
- Automated CI/CD pipelines with Docker, Kubernetes, GitHub Actions, and Jenkins.
- Implemented observability with Kibana, Prometheus, Grafana, and OpenTelemetry.
- Integrated SonarQube for static code analysis, doubling code reliability.
- Re-architected software project, increasing development speed and control by 60%.
- Enhanced backend clustering and caching, increasing transaction processing speed by 30%.
- Delivered major fintech features serving 500K+ monthly users.
- Led and mentored the backend engineering team, performing regular code reviews and performance audits.
- Architected microservices integrated with Kafka for real-time, event-driven communication.
Software Team Lead
Generation C
- Applied the main project roadmap.
- Built architectures and trained the team.
- Increased product performance and responsiveness by 40%.
- Involved in decision making, doubling product usability.
- Led, monitored, and reviewed team code and performance.
- Built automated CI/CD pipeline and set up unit testing.
- Communicated and collaborated with other departments.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Banking and Finance and Information Technology.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Research and Development, and Business Intelligence.
Summary
Senior Software Engineer specializing in Rust, Go, and distributed design bridging financial systems, decentralized infrastructure and AI automations
Skills
Keywords
- Solana
- Ethereum
- Geth
- Substrate
- Cosmos
- Protocol
- Typescript
- Rust
- Golang
- Consensus
- P2p
- Smart Contracts
- Chainlink
- Ipfs
- Zk-Rollups
Core Focus
- Blockchain Protocol Engineering
- Backend Architecture
- Distributed Systems
- Devops Automation
Rust
- Tokio
- Async-Std
- Cargo
- Clippy
- Criterion
- Anchor Framework
- Solana Sdk
- Solana Program Test
- Ethers-Rs
- Substrate
- Polkadot Sdk
- Move Language
- Actix-Web
- Serde
- Diesel
- Seaorm
- Mockall
- Ed25519-Dalek
- Bls
- Curve25519
- Libp2p
- Borsh
Golang
- Fiber
- Gin
- Echo
- Chi
- Gorm
- Testify
- Goroutines
- Channels
- Workerpool
- Gomock
- Benchstat
- Viper
- Logrus
- Jwt-Go
- Grpc-Go
- Protobuf
- Cosmos Sdk
- Go-Ethereum (Geth)
- Tendermint
- Libp2p-Go
Java
- Spring Boot
- Spring Cloud
- Hibernate
- Jpa
- Spring Webflux
- Aws Sqs/Sns
- Apache Kafka
- Jackson
- Grpc-Java
- Spring Security
- Oauth2
- Jwt
- Junit 5
- Mockito
- Testcontainers
- Maven
- Gradle
- Sonarqube
Distributed Systems & Devops
- Docker
- Kubernetes
- Terraform
- Kafka
- Rabbitmq
- Nats
- Elasticsearch
- Redis
- Postgresql
- Prometheus
- Grafana
- Opentelemetry
- Jenkins
- Github Actions
Languages
Education
Cairo University
Pre-Masters Studies · AI & DataScience · Cairo, Egypt
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Ziad is based in Cairo, Poland.
Ziad speaks the following languages: English (Advanced), Arabic (Elementary).
Ziad has at least 8 years of experience. During this time, Ziad has worked in at least 5 different roles and for 4 different companies. The average length of individual experience is 2 years and 6 months. Note that Ziad may not have shared all experience and actually has more experience.
Based on recent experience, Ziad would be well-suited for roles such as: Blockchain Core Protocol Engineer (Cohere), Cloud Service, Big Data Analytics, Software Engineering Consultant.
Ziad's most recent position is Blockchain Core Protocol Engineer (Cohere) at Ethereum Foundation.
In recent years, Ziad has worked for Ethereum Foundation, Amazon Training, Generation C, and Blackstoneeit (Warba Bank).
Ziad is most experienced in industries like Banking and Finance and Information Technology.
Ziad is most experienced in business areas like Information Technology, Product Development, and Research and Development. Ziad also has some experience in Business Intelligence.
Ziad has recently worked in industries like Banking and Finance and Information Technology.
Ziad has recently worked in business areas like Information Technology, Product Development, and Research and Development.
Ziad holds a Master in AI & DataScience from Cairo University.
The availability of Ziad needs to be confirmed.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Similar freelancers
Discover other experts with similar qualifications and experience
Robert R.
Cesar S.
Michael K.
Hüseyin K.
Benedek G.
Jürgen F.
Marc H.
Matthias I.
Satya V.
Michael F.
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Blockchain Core Protocol Engineer (Cohere)
Christian S.
Dean R.
Sat P.
Afif F.
Maryam N.
Danylo K.
Raphael M.
Alice A.
Dominik W.
Frank M.
Nearby freelancers
Professionals working in or nearby Cairo, Poland
Małgorzata B.
Jan R.
Piotr O.
Michał J.
Paweł P.
Artem V.
Luke B.
Lukasz P.
Pawel O.
Aleksander I.
