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153 anonymous candidates

qa

  • Malta, Fgura
  • 1-3 years
  • $2.4k ($200 / month)
  • Elementary
Core technical skills
Qa
ActiveMQ
Redux
RxSwift
HTML & CSS
Node.js
JavaScript
React.js
MySQL
TypeScript
API testing
manual testing
SASS
AWS
Mobile testing
Solidity
Achievements / Key results
sdfsdfsdfsdf sd fs fsd fds fa
Considering roles
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • dsa

    Feb 2011 - current time14 years 2 months

dvadv

  • Poland, Łódź
  • 3-5 years
  • $5k ($417 / month)
  • Pre intermediate
Core technical skills
CI/CD
Design thinking
manual testing
MongoDB
Solidity
Achievements / Key results
wrf
Considering roles
DEVOPS
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

  • qa tester

    Mar 2022 - current time3 years 1 month

Junior

5+

Popular candidate! Connected by 5+ companies

  • Poland, Kraków
  • 1-3 years
  • $4.5k ($375 / month)
  • Pre intermediate
Core technical skills
Android
MongoDB
Docker
Redux
Solidity
Achievements / Key results
• Redesigned existing system and decreased maintainability costs by 30%
Considering roles
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Junior

    Jan 2025 - current time3 months

hbb

5+

Popular candidate! Connected by 5+ companies

  • Canada, Vancouver International Airport
  • 5+ years
  • $8157.2k ($679.8k / month)
  • Advanced
Core technical skills
SASS
Solidity
Java
Achievements / Key results
Hv b

Blockchain Developer

5+

Popular candidate! Connected by 5+ companies

  • Finland, Hamina
  • 5+ years
  • $80k ($6.7k / month)
  • Advanced
Core technical skills
Rust
Go
Python
Solidity
Solana
Achievements / Key results
Sr. Blockchain Engineer and Web3 Fullstack Developer with over 7 years of hands-on experience in Fintech / Defi / AI / DEPIN / Game spaces, utilizing serveral programming languages and frameworks such as Solidity, JS/TS, Golang, Rust, React, Web3.js/Ethers.js, Hardhat, AWS/GCP. With deep understanding in Zero-Knowledge Proofs, Cryptography, Tokenomics, Security, Cosmos SDK, Polygon CDK and various Consensus Protocols.
Considering roles
BACKEND
DEVOPS
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Blockchain developer

    Apr 2022 - Dec 20242 years 9 months

qa

5+

Popular candidate! Connected by 5+ companies

  • Switzerland, Switzerland
  • 5+ years
  • $24k ($2k / month)
  • Advanced
Core technical skills
Node.js
SASS
Solidity
Java
AWS
Achievements / Key results
Hahahaha

sss

  • Poland, Wschowa
  • 3-5 years
  • $120k ($10k / month)
  • Pre intermediate
Core technical skills
manual testing
SASS
AWS
Mobile testing
Solidity
Achievements / Key results
fgfvdcz
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • ssssss

    Jun 2000 - current time24 years 10 months

Qa

  • Japan, Fukuoka
  • 5+ years
  • $240k ($20k / month)
  • Advanced
Core technical skills
API testing
SASS
Solidity
Python
TypeScript
Achievements / Key results
Brut fff

QA

  • United Kingdom, Bristol
  • 3-5 years
  • $1200k ($100k / month)
  • Upper intermediate
Core technical skills
JavaScript
React.js
HTML & CSS
MySQL
TypeScript
Node.js
API testing
manual testing
SASS
AWS
Mobile testing
Solidity
Python
Java
PostgreSQL
Redux
Web3
Smoke testing
MongoDB
Docker
Achievements / Key results
Quqyishs

Senior Blockchain Full Stack Software Engineer

5+

Popular candidate! Connected by 5+ companies

  • United States, Phoenix
  • 5+ years
  • $120k ($10k / month)
  • Advanced
Core technical skills
Blockchain
Python
React.js
Node.js
JavaScript
TypeScript
Docker
Solidity
Solana
Django
CI/CD
Web3
jQuery
Angular.js
Flask
Achievements / Key results
Successfully contributed to the development of Launch Legends and RetroCraft, two major projects that advanced blockchain innovation and decentralized application development. Delivered scalable and secure smart contract solutions on Ethereum and Solana, supporting NFT marketplaces and DeFi applications with millions of dollars in transaction volume. Spearheaded the implementation of cross-chain interoperability solutions, enhancing seamless asset transfer and collaboration between different blockchain networks. Played a pivotal role in developing zero-knowledge proof systems to improve privacy and efficiency in decentralized systems. Worked with top-tier companies like Ripple, where I contributed to blockchain-powered payment systems, streamlining cross-border transactions. Earned certifications in blockchain and cloud technologies, solidifying expertise in cutting-edge tools and protocols.
Considering roles
FULL STACK
PM
FRONTEND
BACKEND
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Blockchain Engineer ՄTeam Lead)

    Apr 2024 - current time1 year

  • Senior Web3 Blockchain Developer

    Feb 2020 - Feb 20244 years 1 month

  • Blockchain Engineer

    Sep 2018 - Nov 20191 year 3 months

  • Senior Full Stack Engineer

    Feb 2016 - Jun 20182 years 5 months

  • Software Engineer

    Jul 2014 - Feb 20161 year 8 months

Senior Java Developer

5+

Popular candidate! Connected by 5+ companies

  • Germany, Kiel
  • 3-5 years
  • $2.4k ($200 / month)
  • Advanced
Core technical skills
Android
Design thinking
Solidity
Docker
MongoDB
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
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Java Developer

    Apr 2022 - current time3 years

Senior Java Developer

5+

Popular candidate! Connected by 5+ companies

  • United States, Los Angeles
  • 1-3 years
  • $2.4k ($200 / month)
  • Upper intermediate
Core technical skills
Dfggg
Python
Spring
JavaScript
Mobile testing
manual testing
HTML & CSS
React.js
Solidity
API testing
Functional testing
Usability testing
Regression testing
Smoke testing
Rust
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

    Jan 2021 - current time4 years 3 months

Senior Blockchain Developer

10+

Popular candidate! Connected by 10+ companies

  • Germany, Munich
  • 5+ years
  • $24k ($2k / month)
  • Intermediate
Core technical skills
React.js
Node.js
MongoDB
Express.js
TypeScript
JavaScript
Solidity
Solana
Achievements / Key results
As a skilled and motivated full-stack developer, I bring extensive experience in both backend and frontend development. I am committed to delivering high-quality results while fostering collaboration in dynamic environments. My proficiency in various programming languages and frameworks allows me to develop responsive web applications and robust APIs effectively. With a proven track record in JavaScript and Python, alongside experience with React and Django, I excel at creating seamless user experiences and efficient server-side solutions. Let's connect to explore how I can contribute to your team's success!
Considering roles
FULL STACK
MOBILE
BACKEND
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Full Stack Developer

    Aug 2020 - current time4 years 8 months

Full Stack Web3 Developer

5+

Popular candidate! Connected by 5+ companies

  • India, Bengaluru
  • 1-3 years
  • $42k ($3.5k / month)
  • Upper intermediate
Core technical skills
Solidity
React.js
Node.js
MongoDB
Rust
TypeScript
JavaScript
API testing
Blockchain
Web3
Achievements / Key results
Improved Performance Metrics: Boosted the performance of in defi application, increasing the performance rating from 40 to 70 through optimization techniques and efficient code refactoring. Real-Time System Implementation: Designed and developed a Points and Score system for the ecosystem using Node.js, Express.js, MongoDB, and ethers.js, enabling real-time updates based on blockchain events
Considering roles
FRONTEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Frontend Web3 Devloper

    Apr 2024 - current time1 year

234567899

  • Ukraine, Sumy
  • Less than 1 year
  • $7.2k ($600 / month)
  • Intermediate
Core technical skills
JavaScript
React.js
HTML & CSS
MySQL
TypeScript
Node.js
API testing
manual testing
SASS
AWS
Mobile testing
Solidity
Python
Java
PostgreSQL
Redux
Web3
Achievements / Key results
Seegghhkxgkxgkjgdjgsjtstjsfjzgjysysyhhdhdhdhdududufjcjcjvjystsydufjcjcjchxystdydufufjgjcjxhdydydyfufjcjcjchfhfhfudydufufugjvjvjvjvjfjcjcjcjcjchchchchchchchchcjcjcjcjcjcjcjcjcjcjchchchchxufufhcuchfufysrstsydhxhchchxhhdhdhdhdhdhdu🎄☺️☺️💛💛🥰🤯🤯🙈😘😍🥰💝🤣🤣😘🤣💝🤣🫳✊️✊️🤯✊️💖dudududufufuf
Ready to work
remotely

ad

10+

Popular candidate! Connected by 10+ companies

  • South Africa, Maluti-a-Phofung Local Municipality
  • 5+ years
  • $124.3k ($10.4k / month)
  • Advanced
Core technical skills
MongoDB
Responsive design
Solidity
Node.js
Mobile Design App
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
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • qw

    Apr 2014 - current time11 years

ggff

5+

Popular candidate! Connected by 5+ companies

  • Albania, Rrotlla
  • 5+ years
  • $120k ($10k / month)
  • Upper intermediate
Core technical skills
Node.js
API testing
SASS
Mobile testing
Solidity
Achievements / Key results
Match
Ready to work
pap arkadiya

frontend developer

10+

Popular candidate! Connected by 10+ companies

  • India, Hyderabad
  • 5+ years
  • $3k ($250 / month)
  • Upper intermediate
Core technical skills
React.js
JavaScript
HTML & CSS
Solidity
Redux
Web3
Achievements / Key results
Successfully implemented Redux in multiple projects, enhancing state management and app performance, resulting in a 20% reduction in load times and smoother user interactions."
Considering roles
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • team lead

    Jun 2009 - Nov 202415 years 6 months

Full Stack Developer

5+

Popular candidate! Connected by 5+ companies

  • India, Hyderabad
  • Less than 1 year
  • $20k ($1.7k / month)
  • Advanced
Core technical skills
React.js
Node.js
Solidity
AWS
PostgreSQL
MongoDB
Docker
JavaScript
Achievements / Key results
GDSC BitNBuild Hackathon Finalist February 2023 -Secured second position in the GDSC BitNBuild hackathon (state level) conducted at CVR Engineering College, Hyderabad. -Shortlisted for the finals held at CRCE, Mumbai. Startup Pitch Competition - Third Place July 2023 -Secured third place in a startup pitch competition hosted by Student Tribe (Stumagz) during the Prost in 2023 event. -Pitched my idea to a jury of entrepreneurs and angel investors.
Considering roles
FULL STACK
FRONTEND
MOBILE
Ready to work
remotely
hyderabad
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Associate Software Intern

    Jun 2024 - Sep 20244 months

The coolest developer

5+

Popular candidate! Connected by 5+ companies

  • United Kingdom, Cambridge
  • 5+ years
  • $215.5k ($18k / month)
  • Upper intermediate
Core technical skills
JavaScript
React.js
HTML & CSS
TypeScript
MySQL
Node.js
API testing
SASS
manual testing
AWS
Solidity
Mobile testing
Python
Java
Redux
PostgreSQL
Web3
Docker
MongoDB
Smoke testing
GraphQL
Blockchain
Vue.js
Functional testing
Angular.js
React Native
Express.js
CI/CD
PHP
Spring
Usability testing
Regression testing
Rust
Hibernate
Responsive design
Android
Swift
Sanity testing
Bootstrap
Qa
Wireframing
Firebase
SwiftUI
Flutter
Automation testing
C++
SDLC
DevOps
Solana
Unit Testing
Test Case Design
Ruby
Algorithms / Data Structures
RxSwift
Go
Mobile Design App
Human Interface Guidelines
Design system
Kotlin
Black box testing
Achievements / Key results
Dog
Ready to work
remotely
View 133 more candidates