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11 anonymous candidates

QA

  • Canada, Toronto
  • 1-3 years
  • $100k ($8.3k / month)
  • Upper intermediate
Core technical skills
Web3
React.js
Mobile testing
manual testing
Smoke testing
Achievements / Key results
Good
Considering roles
MOBILE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • QA

    Mar 2025 - current time5 months

Senior Web3 Full Stack Engineer

10+

Popular candidate! Connected by 10+ 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 1 month

  • Senior Blockchain Engineer

    Apr 2020 - Jun 20222 years 3 months

  • Frontend Engineer

    Aug 2018 - Mar 20201 year 8 months

Senior All Engineer

25+

Popular candidate! Connected by 25+ companies

  • United States, Chicago
  • 3-5 years
  • $24k ($2k / month)
  • Upper intermediate
Core technical skills
API testing
RxSwift
Mobile testing
PostgreSQL
Redux
Web3
React.js
Vue.js
Functional testing
React Native
manual testing
Usability testing
Responsive design
Express.js
Docker
Achievements / Key results
Optimised map functionality for faster rendering of 3k items
Considering roles
DEVOPS
FULL STACK
MOBILE
QA
UI/UX DESIGN
FRONTEND
PM
Ready to work
remotely
chicago
frankfurt am main
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior QA

    Feb 2001 - current time24 years 6 months

25+

Popular candidate! Connected by 25+ companies

  • Poland, Kraków
  • Less than 1 year
  • $12k ($1000 / month)
  • Elementary
Core technical skills
Mobile testing
Web3
MongoDB
Blockchain
Objective-C
Achievements / Key results
csac
Considering roles
PM
FULL STACK
DEVOPS
MOBILE
FRONTEND
BACKEND
QA
UI/UX DESIGN
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • dvs

    Dec 2028 - current time-40 months

At quod sit vel ani

30+

Popular candidate! Connected by 30+ companies

  • United Kingdom, Ewell
  • 1-3 years
  • $50k ($4.2k / month)
  • Intermediate
Core technical skills
Redux
User interviews
Web3
Wireframing
RxSwift
Achievements / Key results
323
Considering roles
FULL STACK
MOBILE
QA
BACKEND
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • 233

    Feb 1980 - current time45 years 6 months

QA engineer

45+

Popular candidate! Connected by 45+ companies

  • Japan, Kyoto
  • 3-5 years
  • $69.3k ($5.8k / month)
  • Advanced
Core technical skills
Docker
Web3
Testing
Typescript
API TESTING
Mobile testing
Ad-hoc testing
Smoke testing
Python
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
MOBILE
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • QA engeneer

    Mar 2021 - Jan 202211 months

wq

30+

Popular candidate! Connected by 30+ companies

  • Italy, Florence
  • Less than 1 year
  • $33.3k ($2.8k / month)
  • Pre intermediate
Core technical skills
Responsive design
CI/CD
Docker
Web3
MS SQL Server
Achievements / Key results
f3f3f3f
Considering roles
FULL STACK
FRONTEND
MOBILE
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • 333

    Apr 2001 - current time24 years 4 months

Android Engineer

40+

Popular candidate! Connected by 40+ companies

  • Greece, Athens
  • 5+ years
  • $150k ($12.5k / month)
  • Advanced
Core technical skills
Kotlin
Go
Web3
Android
Mobile Design App
Blockchain
Achievements / Key results
PP
Considering roles
MOBILE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Android Software Engineer

    Jun 2020 - current time5 years 2 months

Product Development Manager

50+

Popular candidate! Connected by 50+ companies

  • Canada, Toronto
  • 5+ years
  • $84k ($7k / month)
  • Advanced
Core technical skills
Web3
Blockchain
Mobile Design App
Distributed Systems
Research
Achievements / Key results
• Cognizium: consulted on 8 web3/blockchain products; developed and launched the blockchain knowledge platform reaching over 14,576 unique users in 78+ countries, enhancing global blockchain literacy. • Telus: Championed Self-Sovereign Identity and Smart City projects; migration of top 250 exclusive clients • Royal Bank of Canada: Spearheaded the launch of a fintech payments app, achieving over estimated funds transferred in the first month. • Microsoft: Directed 17 projects at Bing, AI Cortana; increasing user engagement by 63% and market share by 7%.
Considering roles
PM
MOBILE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Consulting - Strategic Advisory

    Aug 2022 - current time3 years

  • IT Project Portfolio Manager & Blockchain Consultant

    Oct 2019 - Oct 20223 years 1 month

  • Head of Blockchain Programme & Professor

    Sep 2019 - current time5 years 11 months

  • Digital Transformation & Project Delivery Consultant

    Mar 2018 - Nov 20189 months

  • Senior Information Business Analyst

    Jul 2016 - Nov 20171 year 5 months

  • Product Strategy Manager

    May 2015 - Jun 20161 year 2 months

Full Stack Engineer

50+

Popular candidate! Connected by 50+ companies

  • Poland, Gdańsk
  • 5+ years
  • $72k ($6k / month)
  • Advanced
Core technical skills
Solidity
React.js
JavaScript
Node.js
Web3
Achievements / Key results
Talented Full-stack Developer equipped with great coding, debugging, and project management abilities, accomplishing project goals consistently with elegant, scalable code. Tech-Savvy professional with advanced training and experience in Blockchain/Web/Mobile development with a passion for change and breaking previous records. Creative and forwardthinking Blockchain/Web/Software developer creating cutting-edge websites and applications for high-profile clients with challenging demands and visions. Experienced with all stages of development cycle for dynamic web projects, Well-versed in front-end and back-end development having strong background in management and leadership.
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

  • Team Leader & Blockchain Engineer

    Dec 2021 - current time3 years 8 months

  • Senior Front End Engineer

    Jun 2020 - Nov 20211 year 6 months

  • Blockchain & Senior Backend Developer

    Mar 2018 - Dec 20191 year 10 months

  • Senior Full Stack Developer

    Sep 2017 - Jan 20185 months

  • Front End & Mobile Developer

    Jul 2016 - May 201711 months

Full Stack Developer

50+

Popular candidate! Connected by 50+ companies

  • United Kingdom, Herne Bay
  • 5+ years
  • $100k ($8.3k / month)
  • Advanced
Core technical skills
JavaScript
SASS
Firebase
TypeScript
React.js
Redux
Python
PostgreSQL
React Native
Web3
Solidity
Solana
Docker
HTML & CSS
AWS
Achievements / Key results
Versatile Full Stack Web Developer with a proven track record of crafting innovative, high-impact web solutions. Adept at leveraging the latest technologies to deliver exceptional user experiences while optimizing back-end performance. Proficient in front-end frameworks like React.js and Vue.js, and skilled in back-end development with Node.js and Express.js. Experienced in designing and deploying scalable, secure web applications, with a keen eye for UI/UX design. Committed to staying at the forefront of web development trends and passionate about delivering excellence in every project.
Considering roles
FULL STACK
FRONTEND
BACKEND
DEVOPS
MOBILE
DATA SCIENCE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Full Stack Developer

    Oct 2022 - Jan 20241 year 4 months