Sign InSign up

Candidates

Select roles
Type or select technologies
$0 - $120000+
English level

Candidate's location

Timezone: search by timezone the candidate is located in. Country/City: search by country or city the candidate is located in or willing to work in.

Oops! Seems you haven’t signed up

  • Use flexible search filters
  • Search among full list of engineers
  • Stay on top of new engineers
Free sign upSign In

198 anonymous candidates

QA

  • Canada, Toronto
  • 1-3 years
  • $2.4k ($200 / month)
  • Elementary
Core technical skills
MongoDB
Solidity
Mobile testing
Java
Node.js
Achievements / Key results
fdhr
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • qa

    Mar 1973 - current time52 years 6 months

sdfgh

  • Malta, Fgura
  • Less than 1 year
  • $45.7k ($3.8k / month)
  • Elementary
Core technical skills
Bootstrap
Solidity
PostgreSQL
Python
Smoke testing
Responsive design
Android
RabbitMQ
AMQP
ActiveMQ
qqq
Qq
jQuery
MS SQL Server
AWS Serverless
Achievements / Key results
xcvbnm,cvbncvbjkdfghj
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • s

    Mar 2001 - current time24 years 6 months

Aut magnam suscipit

5+

Popular candidate! Connected by 5+ companies

  • Poland, Kraków
  • 1-3 years
  • $10.6k ($887 / month)
  • Intermediate
Core technical skills
Django
Solidity
PostgreSQL
API testing
TypeScript
HTML & CSS
GraphQL
Achievements / Key results
Provident omnis non
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Itaque accusantium s

    May 1970 - current time55 years 4 months

Qa

  • United Kingdom, London
  • 1-3 years
  • $150k ($12.5k / month)
  • Intermediate
Core technical skills
manual testing
Mobile testing
HTML & CSS
React.js
Solidity
Achievements / Key results
• Optimised map functionality for faster rendering of 3k items
Considering roles
QA
Ready to work
remotely
kuşadası
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Qa

    Feb 1990 - Feb 19901 month

CEO

  • New Zealand, New Zealand
  • 1-3 years
  • $42k ($3.5k / month)
  • Intermediate
Core technical skills
HTML & CSS
React.js
JavaScript
TypeScript
MySQL
Node.js
API testing
manual testing
Mobile testing
SASS
AWS
Solidity
PostgreSQL
Java
Python
Smoke testing
Redux
Docker
Web3
MongoDB
GraphQL
Functional testing
Achievements / Key results
Top ya
Ready to work
remotely
khust

developer

  • Estonia, Tallinn
  • 5+ years
  • $399869.2k ($33322.4k / month)
  • Advanced
Core technical skills
MySQL
Solidity
HTML & CSS
Node.js
JavaScript
React.js
TypeScript
API testing
Achievements / Key results
• Reduced testing time by 5x by implementing infrastructure for writing integration tests New achievements

CEO Candidate2

5+

Popular candidate! Connected by 5+ companies

  • Japan, Tokyo
  • 3-5 years
  • $100k ($8.3k / month)
  • Intermediate
Core technical skills
MySQL
Node.js
SASS
AWS
Solidity
Achievements / Key results
a
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • aa

    Feb 1950 - current time75 years 7 months

new

  • United Kingdom, London
  • 3-5 years
  • $30k ($2.5k / month)
  • Intermediate
Core technical skills
API testing
Mobile testing
Solidity
Java
TypeScript
AWS
Achievements / Key results
New
Ready to work
remotely

ghjg

5+

Popular candidate! Connected by 5+ companies

  • Pakistan, Chak Number 555/EB
  • 1-3 years
  • $55.6k ($4.6k / month)
  • Pre intermediate
Core technical skills
Jlhhjj
Gh
Cv
Cool
OOP
Google Cloud
Apache Hadoop
Google Cloud Serverless
Bootstrap
Solidity
manual testing
Python
Smoke testing
Mobile testing
React Native
Achievements / Key results
fdhdfghdghdgf
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • 4544

    Feb 5454 - current time-41141 months

Java engineer

5+

Popular candidate! Connected by 5+ companies

  • United States, Los Angeles
  • 3-5 years
  • $2.5k ($208 / month)
  • Pre intermediate
Core technical skills
Node.js
TypeScript
Express.js
PostgreSQL
Angular.js
Rust
Solidity
Spring
Usability testing
Android
Hibernate
AWS
GraphQL
Automation testing
Flutter
Achievements / Key results
the best none
Considering roles
DEVOPS
FRONTEND
FULL STACK
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • vhj

    Feb 2020 - current time5 years 7 months

Qa

5+

Popular candidate! Connected by 5+ companies

  • Norway, Norway
  • Less than 1 year
  • $0.1k ($10 / month)
  • Pre intermediate
Core technical skills
MySQL
Node.js
JavaScript
React.js
HTML & CSS
TypeScript
API testing
Mobile testing
SASS
manual testing
AWS
Solidity
PostgreSQL
Java
Python
Redux
Vue.js
Blockchain
Functional testing
GraphQL
MongoDB
Web3
Docker
Smoke testing
Achievements / Key results
Просто

the

5+

Popular candidate! Connected by 5+ companies

  • Nigeria, Fggc
  • 5+ years
  • $81.5k ($6.8k / month)
  • Advanced
Core technical skills
Solidity
Mobile testing
Achievements / Key results
Hjjjjkj
Ready to work
remotely
ghh mining machines

qa

5+

Popular candidate! Connected by 5+ companies

  • United States, Kansas City
  • 3-5 years
  • $120k ($10k / month)
  • Upper intermediate
Core technical skills
TypeScript
MySQL
HTML & CSS
JavaScript
Node.js
API testing
manual testing
Mobile testing
SASS
AWS
Solidity
PostgreSQL
Java
Python
Redux
React.js
Achievements / Key results
Err
Ready to work
remotely

Senior Web3 Full Stack Engineer

15+

Popular candidate! Connected by 15+ companies

  • Switzerland, Zürich
  • 5+ years
  • $60k ($5k / month)
  • Advanced
Core technical skills
React.js
Solidity
Rust
Go
JavaScript
Web3
Redux
Testing
Typescript
API TESTING
Node.js
Express.js
PostgreSQL
MongoDB
Redis
Achievements / Key results
Innovative and results-driven Senior Web3 & Full Stack Engineer with 7+ years of experience in blockchain development, decentralized applications (dApps), and full-stack engineering. Expertise in Next.js, Nest.js, Solidity, and Web3 integrations, building high-performance applications with a strong focus on security, scalability, and user experience. Proven track record in smart contract development, gas optimizations, DeFi protocols, and multi-chain interoperability. Adept at leading engineering teams, architecting secure, upgradeable smart contracts, and optimizing Web3 authentication workflows. Passionate about decentralized finance (DeFi), NFTs, and Layer 2 scaling solutions, continuously integrating the latest advancements in the blockchain ecosystem to drive technical excellence and innovation.
Considering roles
FULL STACK
FRONTEND
BACKEND
MOBILE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Web3 & Full Stack Engineer

    Jul 2022 - current time3 years 2 months

  • Senior Blockchain Engineer

    Apr 2020 - Jun 20222 years 3 months

  • Frontend Engineer

    Aug 2018 - Mar 20201 year 8 months

QA Engineer

5+

Popular candidate! Connected by 5+ companies

  • Ukraine, Kyiv
  • Less than 1 year
  • $12k ($1000 / month)
  • Advanced
Core technical skills
JavaScript
HTML & CSS
React.js
MySQL
TypeScript
Node.js
API testing
manual testing
Mobile testing
SASS
AWS
Solidity
PostgreSQL
Java
Python
Redux
Achievements / Key results
Achievements
Ready to work
remotely

qa

10+

Popular candidate! Connected by 10+ companies

  • United States, United States
  • 3-5 years
  • $12k ($1000 / month)
  • Advanced
Core technical skills
Java
Solidity
Mobile testing
API testing
Achievements / Key results
Qwetyjjsrf

Senior

15+

Popular candidate! Connected by 15+ companies

  • Ukraine, Kyiv
  • Less than 1 year
  • $216k ($18k / month)
  • Upper intermediate
Core technical skills
Bootstrap
CI/CD
Solidity
Laravel
Django
Achievements / Key results
• Optimised map functionality for faster rendering of 3k items • Developed new payment architecture using Stripe which generates core revenue • Designed and managed the internationalization of application for 6 languages • Reduced testing time by 5x by implementing infrastructure for writing integration tests
Considering roles
DEVOPS
FULL STACK
PM
FRONTEND
MOBILE
BACKEND
QA
UI/UX DESIGN
DATA SCIENCE
Ready to work
remotely
dingolfing
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • kamlkd

    May 2025 - Jun 3023998 years 2 months

  • Senior

    Sep 2022 - Aug 20264 years

Backend dev

15+

Popular candidate! Connected by 15+ companies

  • Portugal, Porto
  • Less than 1 year
  • $24k ($2k / month)
  • Advanced
Core technical skills
Web3
Solidity
React.js
C++
Python
Achievements / Key results
I produced a honeypot to monitor the companies resources and logs everything and used grafana for metrics. Everything was detailed in a overleaf report.
Considering roles
DEVOPS
BACKEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Security Analyst

    Jan 2023 - Dec 20231 year

Web3 Full Stack Developer

20+

Popular candidate! Connected by 20+ companies

  • United States, Belgium
  • 3-5 years
  • $96k ($8k / month)
  • Advanced
Core technical skills
Solidity
TypeScript
Go
React.js
C#
Achievements / Key results
•Led the design & secure implementation of new DeFi protocol Solidity/Rust smart contracts and the liquidation engine, proposing capital efficiency and robust yield farming via formal verification. •Optimized critical cross-chain infrastructure (4+ EVM chains & 20+ lending protocols), including price oracles and keepers/relayers, ensuring real-time data feeds and multi-chain liquidity for the protocol. •Developed & refined advanced quantitative models for collateral ratios, interest rates, and MEV protection, maximizing capital efficiency through DEX analytics.
Considering roles
FULL STACK
DEVOPS
BACKEND
DATA SCIENCE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Lead Blockchain Engineer

    Nov 2022 - Dec 20242 years 2 months

gds

5+

Popular candidate! Connected by 5+ companies

  • Ukraine, Lviv
  • 1-3 years
  • $0k ($2 / month)
  • Upper intermediate
Core technical skills
API testing
Solidity
Redux
Mobile testing
Achievements / Key results
Оорп
Ready to work
lviv
View 178 more candidates