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261 anonymous candidates

Web3/Web2 Fullstack Developer

  • Nigeria, Lagos
  • 5+ years
  • $60k ($5k / month)
  • Advanced
Core technical skills
Solidity
TypeScript
React.js
Rust
JavaScript
MongoDB
Node.js
Blockchain
Achievements / Key results
Achievements / Key Results Competitive builds 1st Place — Flare Hackathon · Airclaim 2nd Best Project — Vincent AI Agent Hackathon Best Project — Surreal Buildathon, IP Protection & Enforcement Tool track 2nd Best Project — Avalanche EERC20 Bounty Honourable Mention — Zora Coinathon Grant recipient — Cartesi Grants Program Security Audited production codebases in six languages — Solidity, Rust, Clarity, C++, Move, C — inside a four-month stint at Nethermind Built an AI agent for development workflows and smart contract security analysis Triaged AI-scanned findings across live bug bounty programs and active audit contests Confirmed findings on Code4rena, Cantina, and Sherlock Wrote 20+ production Solidity contracts (NFT marketplaces, ERC-20s, Chainlink VRF, AMM swaps, staking, fractional NFTs, Merkle proofs, multisig) with Hardhat and Foundry test suites Engineering Converted a React SPA to SSR to unlock SEO and dynamic Open Graph previews; deployed on AWS S3 + CloudFront Shipped full-stack products across fintech, edtech, healthtech, and e-commerce Built a user-activity tracking tool (embeddable script), a link-auditing crawler, and a breaking-news video marketplace backend
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

  • Intern

    Feb 2026 - May 20264 months

  • Fullstack Engineer

    Oct 2022 - Jun 20252 years 9 months

e

  • United States, Denver
  • 3-5 years
  • $2.4k ($200 / month)
  • Intermediate
Core technical skills
Functional testing
GraphQL
Angular.js
Blockchain
Usability testing
Qa
React Native
Automation testing
Android
Sanity testing
Wireframing
Firebase
Hibernate
Django
Kafka
Achievements / Key results
abc
Considering roles
MOBILE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • rgqe

    Mar 2012 - current time14 years 7 months

QA

  • Ukraine, Lviv
  • 1-3 years
  • Upper intermediate
Core technical skills
Functional testing
Blockchain
GraphQL
Smoke testing
PostgreSQL
Achievements / Key results
000
Considering roles
FRONTEND
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • //

    Feb 2001 - current time25 years 8 months

cx

  • Ukraine, Lviv
  • 1-3 years
  • $7.2k ($600 / month)
  • Advanced
Core technical skills
MongoDB
HTML & CSS
manual testing
Blockchain
Functional testing
Achievements / Key results
kjjjjj
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • ggg

    Feb 1996 - Mar 201014 years 2 months

qa

50+

Popular candidate! Connected by 50+ companies

  • Ukraine, Pivdennoukrainsk
  • 5+ years
  • $120k ($10k / month)
  • Elementary
Core technical skills
MySQL
JavaScript
API testing
Java
AWS
Functional testing
SASS
GraphQL
manual testing
Android
Usability testing
Blockchain
Angular.js
Wireframing
Firebase
Achievements / Key results
q
Considering roles
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • QA

    Jan 2026 - current time9 months

QA Engineer

5+

Popular candidate! Connected by 5+ companies

  • Croatia, Zagreb
  • Less than 1 year
  • $2.4k ($200 / month)
  • Elementary
Core technical skills
MS SQL Server
Blockchain
Cypress
MongoDB
Design thinking
API testing
Docker
DevOps
AWS
Achievements / Key results
qq123)))&&&&&
Considering roles
DEVOPS
MOBILE
FULL STACK
DATA SCIENCE
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • garshcs

    Jan 2100 - current time-879 months

Pro sleeper

10+

Popular candidate! Connected by 10+ companies

  • Japan, Osaka
  • 5+ years
  • $56k ($4.7k / month)
  • Advanced
Core technical skills
Django
CI/CD
Docker
Blockchain
RxSwift
Achievements / Key results
jaja
Considering roles
FULL STACK
DEVOPS
Ready to work
remotely
osaka
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Pro Sleeper

    Feb 2050 - Mar 2700650 years 2 months

k

  • Poland, Kraków
  • 1-3 years
  • $5k ($417 / month)
  • Pre intermediate
Core technical skills
Kubernetes
GraphQL
Angular.js
Blockchain
MySQL
Automation testing
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

  • k

    Mar 1995 - current time31 years 7 months

k

  • India, Rishikesh
  • 3-5 years
  • $5k ($417 / month)
  • Intermediate
Core technical skills
RabbitMQ
Android
Functional testing
Blockchain
Wireframing
Achievements / Key results
r
Considering roles
FRONTEND
MOBILE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • r

    Mar 1995 - current time31 years 7 months

sd

5+

Popular candidate! Connected by 5+ companies

  • South Africa, Maluti-a-Phofung Local Municipality
  • 1-3 years
  • $10k ($833 / month)
  • Pre intermediate
Core technical skills
TypeScript
Java
SASS
manual testing
Blockchain
Achievements / Key results
іфапв
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • фіфі

    Jan 1999 - current time27 years 9 months

nlol

5+

Popular candidate! Connected by 5+ companies

  • Ukraine, Kyiv
  • 5+ years
  • $2.4k ($200 / month)
  • Pre intermediate
Core technical skills
Wireframing
Node.js
PostgreSQL
Smoke testing
Blockchain
Flutter
MongoDB
Docker
SwiftUI
HTML & CSS
Solidity
Redux
CI/CD
Black box testing
Flask
Achievements / Key results
.linkedin.com/in/mariia-feshchenko-62159636a/recent-activity/all/
Considering roles
DATA SCIENCE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • non

    Jan 2022 - current time4 years 9 months

Desired Position

5+

Popular candidate! Connected by 5+ companies

  • Ukraine, Kharkiv
  • Less than 1 year
  • $2.4k ($200 / month)
  • Elementary
Core technical skills
Kubernetes
DevOps
Machine Learning
Blockchain
C++
Achievements / Key results
some general achivements bio
Considering roles
BACKEND
FRONTEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • hr

    Jan 2024 - Feb 20251 year 2 months

лллллллллллллллллллллллллллллллллллллллллллллллллллллллллллллллллллллллллллллллллллл

15+

Popular candidate! Connected by 15+ companies

  • Ukraine, Kyiv
  • 1-3 years
  • $2.5k ($208 / month)
  • Upper intermediate
Core technical skills
Vue.js
Kafka
Design thinking
Docker
Blockchain
Achievements / Key results
hi
Considering roles
DEVOPS
Ready to work
remotely

Senior Front end Developer

50+

Popular candidate! Connected by 50+ companies

  • Poland, Warsaw
  • 5+ years
  • $72k ($6k / month)
  • Advanced
Core technical skills
JavaScript
TypeScript
React.js
Blockchain
HTML & CSS
Achievements / Key results
Full application rewrite & redesign w/ modern & latest versioned tech stack Addition of the convertor layer for integration of the legacy BE w/ modern FE
Considering roles
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Front-end developer

    Jul 2022 - current time4 years 3 months

  • Senior Front-end developer

    Dec 2020 - Jul 20221 year 8 months

  • Front-end developer

    Dec 2017 - Dec 20203 years 1 month

Junior Software Engineer

10+

Popular candidate! Connected by 10+ companies

  • 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 time1 year 2 months

DEVELOPER

15+

Popular candidate! Connected by 15+ companies

  • Ukraine, Kyiv
  • 1-3 years
  • $12k ($1000 / month)
  • Intermediate
Core technical skills
Blockchain
Java
Kafka
Kotlin
Firebase
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

    Jan 2024 - Aug 20248 months

csc

15+

Popular candidate! Connected by 15+ companies

  • Germany, Frankfurt am Main
  • 1-3 years
  • $20k ($1.7k / month)
  • Intermediate
Core technical skills
JavaScript
React Native
Human Interface Guidelines
Blockchain
Functional testing
Achievements / Key results
svsdvdf
Considering roles
PM
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • vsavd

    Jan 2025 - current time1 year 9 months

Blockchain Developer

15+

Popular candidate! Connected by 15+ companies

  • 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

csac

15+

Popular candidate! Connected by 15+ companies

  • Job experience is missing
  • English level is missing
Considering roles
PM
DEVOPS
Core technical skills
Blockchain
React Native
Human Interface Guidelines
Cypress
SDLC

Some fascinating position

10+

Popular candidate! Connected by 10+ companies

  • Netherlands, Eindhoven
  • 5+ years
  • $121.5k ($10.1k / month)
  • Advanced
Core technical skills
Docker
manual testing
Blockchain
Java
Web3
Achievements / Key results
Some fascinating Achievements
Considering roles
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • `

    Aug 1929 - Mar 19311 year 8 months
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