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

314 anonymous candidates

qa

5+

Popular candidate! Connected by 5+ companies

  • Ukraine, Kyiv
  • Less than 1 year
  • $12000k ($1000k / month)
  • Intermediate
Core technical skills
MySQL
manual testing
Node.js
SASS
PostgreSQL
Solidity
Web3
MongoDB
Java
Achievements / Key results
Found 1 million bugs
Ready to work
remotely

QA

5+

Popular candidate! Connected by 5+ companies

  • United States, Las Vegas
  • 1-3 years
  • $2.5k ($208 / month)
  • Pre intermediate
Core technical skills
JavaScript
API testing
Mobile testing
Solidity
Smoke testing
Achievements / Key results
• I have a pet project with more than 60k users • Delivered / took part in ~40 iOS/macOS apps in 7 years • Each time I start on a project I end up leading it • Leading a mobile team of a product with 1M+ DAU
Considering roles
DEVOPS
FULL STACK
FRONTEND
PM
MOBILE
BACKEND
QA
UI/UX DESIGN
DATA SCIENCE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • ggg

    Jan 2025 - current time1 year 4 months

daad

5+

Popular candidate! Connected by 5+ companies

  • Spain, València
  • 1-3 years
  • $144k ($12k / month)
  • Intermediate
Core technical skills
Docker
CI/CD
Responsive design
Redux
Solidity
Achievements / Key results
e22e2e
Considering roles
FULL STACK
BACKEND
DATA SCIENCE
QA
MOBILE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • wqdwqdwqd

    May 2022 - current time4 years

Full stack blockchain developer

10+

Popular candidate! Connected by 10+ companies

  • India, Ahmedabad
  • 3-5 years
  • $20.4k ($1.7k / month)
  • Intermediate
Core technical skills
Solana
Rust
Solidity
Express.js
React.js
HTML & CSS
web3
TypeScript
Node.js
Achievements / Key results
Blockchain developer with 3.5 years of experience building DeFi protocols (DEX, staking, tokenomics) across Aptos, Solana, and EVM, delivering secure smart contracts and full-stack dApps.
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Full stack blockchain developer

    Apr 2025 - current time1 year 1 month

Senior Full Stack Enginner | Web3 & Blockchain

25+

Popular candidate! Connected by 25+ companies

  • Australia, Melbourne
  • 5+ years
  • $96k ($8k / month)
  • Advanced
Core technical skills
React.js
Solidity
Node.js
web3
Blockchain
Achievements / Key results
- Successfully launched a token sale launchpad, raising $250K during the token sale. - Developed a spin game that increased user engagement by 900%. - Built Web3 infrastructure from the ground up, including seamless on-chain payment systems. - Integrated third-party Web3 libraries such as Privy and Li.Fi, and automated trading workflows on the platform. - Implemented a staking and governance platform, introducing innovative earning models such as stake-to-earn and burn-to-earn.
Considering roles
FULL STACK
FRONTEND
MOBILE
BACKEND
PM
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Full Stack Engineer

    Feb 2024 - Jan 20262 years

  • Back End Engineer

    Jul 2023 - Jan 20247 months

  • Back End Engineer & Smart Contract Developer

    Apr 2023 - Aug 20235 months

  • Blockchain Full Stack Engineer

    Dec 2021 - Mar 20231 year 4 months

  • Smart Contract Developer

    Mar 2020 - Dec 20211 year 10 months

  • Softare Engineer (MERN)

    Jan 2019 - Jan 20201 year 1 month

  • Front End Developer

    Jul 2017 - Mar 20191 year 9 months

Security Engineer

5+

Popular candidate! Connected by 5+ companies

  • Argentina, Buenos Aires
  • 1-3 years
  • $30k ($2.5k / month)
  • Upper intermediate
Core technical skills
Rust
Solidity
Python
Blockchain
manual testing
Achievements / Key results
- Developed 3 own tools for security researching - Provided more than 40 solo penetration tests - Helped 4 DeFi projects become more secure before deployment
Considering roles
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Security Researcher

    Jul 2025 - current time10 months

  • Penetration tester

    Jan 2022 - current time4 years 4 months

QA engineer

15+

Popular candidate! Connected by 15+ companies

  • Mexico, Guadalajara
  • Less than 1 year
  • $36k ($3k / month)
  • Pre intermediate
Core technical skills
Solidity
Android
MongoDB
Responsive design
Design thinking
Achievements / Key results
dsds
Considering roles
DEVOPS
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • ds

    Feb 2000 - current time26 years 3 months

boss

15+

Popular candidate! Connected by 15+ companies

  • Ukraine, Kharkiv
  • Less than 1 year
  • $216k ($18k / month)
  • Advanced
Core technical skills
Responsive design
CI/CD
Solidity
MongoDB
Django
Achievements / Key results
ewewewe
Considering roles
DEVOPS
FULL STACK
Ready to work
frankfurt am main
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Boss developer

    Feb 2004 - current time22 years 3 months

QA

10+

Popular candidate! Connected by 10+ companies

  • United States, Liberty
  • 1-3 years
  • $5k ($417 / month)
  • Pre intermediate
Core technical skills
Solidity
PostgreSQL
Smoke testing
Python
Functional testing
Achievements / Key results
lorem ipsum
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • qa

    Feb 2000 - current time26 years 3 months

jkk

15+

Popular candidate! Connected by 15+ companies

  • Czechia, Prague
  • 1-3 years
  • $4k ($333 / month)
  • Upper intermediate
Core technical skills
MySQL
Flutter
Responsive design
MongoDB
Solidity
Achievements / Key results
good worker
Considering roles
DEVOPS
FULL STACK
QA
DATA SCIENCE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • teacher

    Apr 1998 - current time28 years 1 month

QA engineerrrrr

5+

Popular candidate! Connected by 5+ companies

  • United States, New York
  • 1-3 years
  • $12k ($1000 / month)
  • Intermediate
Core technical skills
Docker
Redux
Solidity
Android
MongoDB
Achievements / Key results
1234
Considering roles
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • d

    Feb 2020 - current time6 years 3 months

  • d

    Jan 2020 - current time6 years 4 months

QA engineer

10+

Popular candidate! Connected by 10+ companies

  • Brazil, Florianópolis
  • Less than 1 year
  • $12k ($1000 / month)
  • Pre intermediate
Core technical skills
MongoDB
Swift
JavaScript
Angular.js
Solidity
Achievements / Key results
bjn
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • fds

    Jan 2020 - current time6 years 4 months

QA

10+

Popular candidate! Connected by 10+ companies

  • Ukraine, Kovel'
  • 1-3 years
  • $7.2k ($600 / month)
  • Pre intermediate
Core technical skills
manual testing
HTML & CSS
React.js
TypeScript
Docker
Automation testing
Blockchain
PHP
JavaScript
Smoke testing
Functional testing
Solidity
PostgreSQL
jQuery
CI/CD
Achievements / Key results
qqq
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • QA

    Mar 2025 - current time1 year 2 months

QA engineer 0028

5+

Popular candidate! Connected by 5+ companies

  • Germany, Düsseldorf
  • Less than 1 year
  • $12k ($1000 / month)
  • Elementary
Core technical skills
Smoke testing
Solidity
Redux
Node.js
TypeScript
Achievements / Key results
Achievements / Key results 0028
Considering roles
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Role 0028

    Jan 2020 - current time6 years 4 months

QA engineer 0022

5+

Popular candidate! Connected by 5+ companies

  • United Arab Emirates, Dubai
  • Less than 1 year
  • $12k ($1000 / month)
  • Pre intermediate
Core technical skills
Docker
PostgreSQL
Solidity
JavaScript
Responsive design
Achievements / Key results
Achievements0022
Considering roles
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Role0022

    Jan 2020 - current time6 years 4 months

QA

5+

Popular candidate! Connected by 5+ companies

  • Ukraine, Kovel'
  • Less than 1 year
  • $7.2k ($600 / month)
  • Elementary
Core technical skills
Docker
API testing
manual testing
Solidity
Mobile testing
Achievements / Key results
в
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Qa

    Feb 2025 - current time1 year 3 months

QA

15+

Popular candidate! Connected by 15+ companies

  • United States, New York
  • 1-3 years
  • $28.8k ($2.4k / month)
  • Pre intermediate
Core technical skills
Solidity
Smoke testing
Mobile testing
Functional testing
Blockchain
Achievements / Key results
tyu
Considering roles
FULL STACK
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • QA

    Jan 2009 - current time17 years 4 months

fthfh

15+

Popular candidate! Connected by 15+ companies

  • Germany, Hamburg
  • 1-3 years
  • $45.5k ($3.8k / month)
  • Pre intermediate
Core technical skills
RxSwift
Functional testing
manual testing
Automation testing
GraphQL
Algorithms / Data Structures
Black box testing
Python
Solidity
Responsive design
PHP
Node.js
Design thinking
Angular.js
Ad Hoc testing
Achievements / Key results
cdfhfdh
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • eer

    Feb 1926 - current time100 years 3 months

q

15+

Popular candidate! Connected by 15+ companies

  • Poland, Warsaw
  • 1-3 years
  • $2.4k ($200 / month)
  • Pre intermediate
Core technical skills
jQuery
MongoDB
Docker
Solidity
Node.js
Achievements / Key results
uuu
Considering roles
FULL STACK
QA
UI/UX DESIGN
DATA SCIENCE
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • erger

    Mar 2007 - current time19 years 2 months

Senior Software Engineer

50+

Popular candidate! Connected by 50+ companies

  • Indonesia, Jakarta
  • 5+ years
  • $60k ($5k / month)
  • Upper intermediate
Core technical skills
Go
TypeScript
Solidity
React.js
JavaScript
PostgreSQL
AWS
Achievements / Key results
● Three-time Founding Engineer with a recent achievement of successfully architecting and developing Pintu's Web3 swap across major chains, facilitating over $260K in total swap volume. ● Founding Engineer for Pintu Earn, also successfully architected and developed a flexible earn with an AUM of more than 18 million USD, and a locked earn with an AUM of more than $600k. ● Restructured the eFresh Business in collaboration with the CEO of eFishery, Head of Product, and VP of Fresh to eliminate bottlenecks in software development.
Considering roles
FULL STACK
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Software Engineer

    Dec 2025 - current time5 months

  • Software Engineer III

    Oct 2021 - Nov 20254 years 2 months

  • Technical Lead

    Jun 2019 - Oct 20212 years 5 months

  • Blockchain Engineer

    Feb 2019 - Jun 20195 months

  • Software Engineer

    Feb 2018 - Feb 20191 year 1 month
View 294 more candidates