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

322 anonymous candidates

Junior Software Engineer

  • India, Kochi
  • 1-3 years
  • $5k ($417 / month)
  • Advanced
Core technical skills
Blockchain
Web3
Node.js
Solidity
Go
Docker
Express.js
React.js
MongoDB
PostgreSQL
Achievements / Key results
Tokenization Platform: – Contributed to the development of tokenization modules and automated pair creation logic. – Assisted in researching and implementing EIP-2535 (Diamond Standard) to support a modular contract architecture. – Supported cross-chain functionality efforts through bridging research and smart contract testing. – Participated in deployment and contract verification processes across Ethereum and Polygon testnets. • Supply Chain Infrastructure Solution: – Collaborated on engineering Upgradable Smart Contracts utilizing the UUPS standard to ensure system maintainability. – Helped build a secure Blockchain Abstraction Layer to simplify transaction routing between the backend and distributed ledger. – Executed automated security audits using Slither, Mythril, and Echidna to help the team identify and fix vulnerabilities. • General Blockchain Frontend Integration: – Integrated Web3 libraries (Ethers.js / Web3.js) with React.js to connect decentralized protocols with user interfaces. – Authored comprehensive unit tests and deployment scripts to ensure codebase reliability before testnet migration. – Participated in architectural discussions for dApps, gaining hands-on exposure to CeDeFi compliance and scalability.
Considering roles
FULL STACK
BACKEND
FRONTEND
Ready to work
remotely
bengaluru
kochi
thiruvananthapuram
chennai
hyderabad
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Junior Software Engineer

    Aug 2025 - current time11 months

QA

  • Italy, Rome
  • 1-3 years
  • $2.4k ($200 / month)
  • Intermediate
Core technical skills
JavaScript
Django
Kafka
MySQL
Solidity
Achievements / Key results
У мене є улюблений проєкт з більш ніж 60 тисячами користувачів • Розробив/брав участь у ~40 додатках для iOS/macOS за 7 років • Щоразу, коли я починаю проект, я врешті-решт його очолюю • Керівництво мобільною командою продукту з понад 1 млн активних користувачів (DAU)
Considering roles
DEVOPS
FULL STACK
MOBILE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • QA

    Feb 2024 - current time2 years 5 months

18001

10+

Popular candidate! Connected by 10+ companies

  • Pakistan, Chak 222 GB Kohala
  • Less than 1 year
  • Pre intermediate
Core technical skills
TypeScript
Node.js
API testing
HTML & CSS
React.js
Solidity
Achievements / Key results
Considering roles
PM
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • 223231

    Mar 2007 - current time19 years 4 months

QA

  • India, Raipur
  • Less than 1 year
  • $15k ($1.3k / month)
  • Elementary
Core technical skills
Smoke testing
Typography
Python
GraphQL
Solidity
Achievements / Key results
llll
Considering roles
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • llll

    Feb 2026 - current time5 months

Blockchain Developer

  • India, Pollachi
  • Less than 1 year
  • $25k ($2.1k / month)
  • Upper intermediate
Core technical skills
Solidity
MySQL
Blockchain
Python
Web3
Achievements / Key results
Built and deployed a decentralized lottery protocol on Ethereum using Chainlink VRF V2 Plus and Chainlink Automation with a full Foundry test suite Integrated smart contracts into a production blockchain storage platform during internship at Xinetee, handling real on-chain product registration and checkpoint recording Completed Cyfrin Updraft blockchain curriculum, one of the most rigorous smart contract development programs available
Considering roles
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Blockchain Development Intern

    Aug 2025 - Jan 20266 months

gsdffgds

  • India, Rishikesh
  • 5+ years
  • $200.4k ($16.7k / month)
  • Pre intermediate
Core technical skills
Shags
Responsive design
MongoDB
Solidity
Android
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
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • eqwewqe

    Mar 1999 - current time27 years 4 months

Full Stack Developer

  • United States, Dallas
  • 5+ years
  • $150k ($12.5k / month)
  • Advanced
Core technical skills
React.js
Node.js
TypeScript
Solidity
web3
Achievements / Key results
Na
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

  • Full-stack developer

    Jan 2025 - current time1 year 6 months

QA

  • Poland, Nysa
  • 1-3 years
  • $2.4k ($200 / month)
  • Pre intermediate
Core technical skills
Kafka
Android
CI/CD
Docker
Solidity
Achievements / Key results
jk
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • jk

    Feb 2022 - current time4 years 5 months

qa

15+

Popular candidate! Connected by 15+ 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

30+

Popular candidate! Connected by 30+ 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 6 months

daad

15+

Popular candidate! Connected by 15+ 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 2 months

Full stack blockchain developer

25+

Popular candidate! Connected by 25+ 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 3 months

Senior Full Stack Enginner | Web3 & Blockchain

50+

Popular candidate! Connected by 50+ 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

15+

Popular candidate! Connected by 15+ 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 time1 year

  • Penetration tester

    Jan 2022 - current time4 years 6 months

QA engineer

25+

Popular candidate! Connected by 25+ 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 5 months

boss

30+

Popular candidate! Connected by 30+ 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 5 months

QA

20+

Popular candidate! Connected by 20+ 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 5 months

jkk

30+

Popular candidate! Connected by 30+ 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 3 months

QA engineerrrrr

15+

Popular candidate! Connected by 15+ 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 5 months

  • d

    Jan 2020 - current time6 years 6 months

QA engineer

20+

Popular candidate! Connected by 20+ 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 6 months
View 302 more candidates