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136 anonymous candidates

QA

  • Ukraine, Lviv
  • 1-3 years
  • $12.2k ($1k / month)
  • Pre intermediate
Core technical skills
Qa
HTML & CSS
Design thinking
Blockchain
PHP
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
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • QA

    Feb 2000 - current time25 years 6 months

Software Engineer

  • Thailand, Sattahip
  • 5+ years
  • $120k ($10k / month)
  • Intermediate
Core technical skills
Rust
TypeScript
JavaScript
Web3
Blockchain
Achievements / Key results
Software Engineer with 10+ years of experience in building scalable distributed systems. Expertise in blockchain technologies, particularly in Rust and TypeScript development.
Considering roles
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Software Engineer

    Mar 2022 - Jul 20242 years 5 months

  • Development Team Lead

    Oct 2018 - Apr 20212 years 7 months

  • Lead Backend Developer

    Oct 2014 - May 20183 years 8 months

,j

  • Spain, Barcelona
  • Less than 1 year
  • $11.1k ($926 / month)
  • Pre intermediate
Core technical skills
Java
Testing
Typescript
API TESTING
Mobile testing
Design thinking
Blockchain
Docker
Achievements / Key results
ngm
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • ,j

    Jan 2012 - current time13 years 7 months

bb

  • Spain, Valencia
  • Less than 1 year
  • $20k ($1.7k / month)
  • Elementary
Core technical skills
Java
Bootstrap
Firebase
Hibernate
Usability testing
Blockchain
Mobile Design App
Web3
Black box testing
Ruby
Kubernetes
MongoDB
Distributed Systems
TDD/BDD
Achievements / Key results
k
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • jjj

    Jan 2020 - current time5 years 7 months

qa

  • Brazil, Ererê
  • 1-3 years
  • $204k ($17k / month)
  • Pre intermediate
Core technical skills
Python
GraphQL
Blockchain
Design thinking
Hibernate
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
PM
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • qa

    Feb 2001 - Jan 2001

Software Engineer

  • Cameroon, Douala
  • 5+ years
  • $20k ($1.7k / month)
  • Intermediate
Core technical skills
Express.js
React.js
React Native
Node.js
AWS
Python
PostgreSQL
Solidity
Blockchain
Firebase
Achievements / Key results
• Created a Back-end script for email campaign • Developed a mobile application for a ride sharing company • Created NFT collection with smart contract for company • Created telegram and discord bot for some customer • Integrated PayPal and Stripe payment for e-commerce website • Created API for a company to let front-end developer to connect on it a make user experience great
Considering roles
FULL STACK
BACKEND
FRONTEND
MOBILE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Full Stack Developer

    Aug 2024 - Apr 20259 months

  • CTO

    Feb 2023 - May 20241 year 4 months

  • Web3 developer

    Oct 2021 - Aug 202211 months

Blockchain Developer

5+

Popular candidate! Connected by 5+ companies

  • Poland, Lublin
  • 5+ years
  • $60k ($5k / month)
  • Advanced
Core technical skills
Blockchain
React.js
TypeScript
JavaScript
Node.js
Express.js
Solidity
Rust
Solana
Python
Django
Flask
C#
.Net
ASP.NET
Achievements / Key results
Blockchain, AI, and Full-Stack Engineer with 6+ years of experience delivering production-grade smart contracts, DeFi protocols, and AI-powered trading platforms across EVM and Solana ecosystems. Successfully improved trading workflow efficiency by 25%, platform scalability by 35%, and gas optimization by 12% through innovative system designs. Specialized in Solidity, Rust, MERN stack, and AI model deployment on AWS, with a strong focus on scalability, security, and performance optimization in Web3-native infrastructure. -> Make the trading platform like pump.fun -> Fork the Uniswap and customize it with adding new swap fee -> Solana staking & farming mechanism
Considering roles
FULL STACK
FRONTEND
BACKEND
DATA SCIENCE
PM
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Full-Stack AI Engineer

    Mar 2024 - current time1 year 5 months

  • Blockchain Developer

    Sep 2022 - Feb 20241 year 6 months

  • Smart Contract Engineer

    Jun 2018 - Aug 20224 years 3 months

k

  • United Kingdom, York
  • 1-3 years
  • $3k ($250 / month)
  • Pre intermediate
Core technical skills
UIKit
Automation testing
Blockchain
Smoke testing
Usability testing
Achievements / Key results
jij
Considering roles
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • j

    Feb 2000 - current time25 years 6 months

senior

  • India, Chennai
  • 1-3 years
  • $3k ($250 / month)
  • Elementary
Core technical skills
RxSwift
Blockchain
Redux
Solidity
Smoke testing
Achievements / Key results
DC
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • D

    Jan 2000 - current time25 years 7 months

senior

  • United States, Chicago
  • 1-3 years
  • $3k ($250 / month)
  • Pre intermediate
Core technical skills
RxJava
Blockchain
Functional testing
Smoke testing
PostgreSQL
Express.js
Responsive design
Vue.js
Node.js
React.js
JSP
Usability testing
MS SQL Server
Angular.js
manual testing
Achievements / Key results
ddd
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • senior

    Feb 2000 - current time25 years 6 months

Senior

  • Poland, Kraków
  • 1-3 years
  • $12.3k ($1k / month)
  • Pre intermediate
Core technical skills
Gffdssdsdsljhffffdddd
AWS
manual testing
SASS
Blockchain
API testing
Achievements / Key results
sdfg
Considering roles
FRONTEND
MOBILE
QA
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • sdfghj

    Mar 2009 - current time16 years 5 months

j

  • India, Ujjain
  • 1-3 years
  • $4.6k ($380 / month)
  • Pre intermediate
Core technical skills
Solidity
Functional testing
Blockchain
PHP
GraphQL
Achievements / Key results
b
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • g

    Mar 2015 - current time10 years 5 months

Qa

  • Poland, Kraków
  • 1-3 years
  • $2.5k ($208 / month)
  • Pre intermediate
Core technical skills
Java
Kafka
Blockchain
TypeScript
MySQL
Achievements / Key results
hjhnkj
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • hjj

    Mar 2024 - current time1 year 5 months

SAX

5+

Popular candidate! Connected by 5+ companies

  • Canada, Québec City
  • 1-3 years
  • $5k ($417 / month)
  • Pre intermediate
Core technical skills
GraphQL
Java
Blockchain
Functional testing
Angular.js
Achievements / Key results
SAX
Considering roles
FRONTEND
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

  • S

    Jun 2022 - current time3 years 2 months

QQA

10+

Popular candidate! Connected by 10+ companies

  • Ukraine, Kyiv
  • 5+ years
  • $2.4k ($201 / month)
  • Advanced
Core technical skills
PHP
Hibernate
Blockchain
Java
Python
Achievements / Key results
Redesigned existing system and decreased maintainability costs by 30% • Worked as tech lead in a high-load low-latency system that could serve over 200qps per cluster • Engineered many own tools like notification engine, performance tool for REST, database client. • Default unit-test code coverage on products I work on is 75%.
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • QA

    Feb 2009 - current time16 years 6 months

Senior Web3 Engineer

15+

Popular candidate! Connected by 15+ companies

  • United States, Tallahassee
  • 5+ years
  • $96k ($8k / month)
  • Advanced
Core technical skills
Blockchain
Web3
Solidity
JavaScript
TypeScript
Achievements / Key results
Participated in building Rings protocol, which is the first defi application to allow the trade of perpetual options on chain without relying on oracles, raised $2M TVL.
Considering roles
FULL STACK
FRONTEND
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Software Engineer

    Jul 2022 - current time3 years 1 month

Hgag

10+

Popular candidate! Connected by 10+ companies

  • Poland, Warsaw
  • 3-5 years
  • $5k ($417 / month)
  • Upper intermediate
Core technical skills
User Personas
GraphQL
Blockchain
Functional testing
Angular.js
Usability testing
Machine Learning
Regression testing
Typography
Ad Hoc testing
Algorithms / Data Structures
Multithreading
Human Interface Guidelines
React Native
Achievements / Key results
Fvtvtvvt
Considering roles
FRONTEND
MOBILE
BACKEND
Ready to work
remotely
warsaw
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Gggvb

    Feb 1925 - current time100 years 6 months

asd

10+

Popular candidate! Connected by 10+ companies

  • Ukraine, Lviv
  • 1-3 years
  • $6k ($500 / month)
  • Advanced
Core technical skills
GraphQL
Blockchain
Functional testing
Angular.js
React Native
Achievements / Key results
,
Considering roles
FULL STACK
Ready to work
remotely
lviv
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • asd

    May 1930 - current time95 years 3 months

1

5+

Popular candidate! Connected by 5+ companies

  • Ukraine, Lviv
  • 5+ years
  • $5k ($417 / month)
  • Pre intermediate
Core technical skills
manual testing
Java
GraphQL
Blockchain
Functional testing
Achievements / Key results
фів
Considering roles
DEVOPS
Ready to work
remotely
asdad
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • asdasd

    Jan 1999 - current time26 years 7 months

Junior QA Engineer

10+

Popular candidate! Connected by 10+ companies

  • Ukraine, Lviv
  • Less than 1 year
  • $2.4k ($200 / month)
  • Upper intermediate
Core technical skills
Qa
manual testing
TypeScript
HTML & CSS
Cypress
AWS
GraphQL
Blockchain
Functional testing
Angular.js
React Native
Usability testing
Android
Hibernate
Sanity testing
Achievements / Key results
asd
Considering roles
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • QA

    Feb 2025 - current time6 months
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