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255 anonymous candidates

Pro sleeper

5+

Popular candidate! Connected by 5+ 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 5 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 5 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 7 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 7 months

Desired Position

  • 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

10+

Popular candidate! Connected by 10+ 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 1 month

  • 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

DEVELOPER

10+

Popular candidate! Connected by 10+ 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

10+

Popular candidate! Connected by 10+ 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 7 months

Blockchain Developer

10+

Popular candidate! Connected by 10+ 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

10+

Popular candidate! Connected by 10+ 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

5+

Popular candidate! Connected by 5+ 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

&₽

10+

Popular candidate! Connected by 10+ companies

  • India, Chandigarh
  • 1-3 years
  • $2.4k ($200 / month)
  • Pre intermediate
Core technical skills
Design thinking
Express.js
Django
Flask
Black box testing
jQuery
SwiftUI
Flutter
UIKit
Smoke testing
qa
User interviews
Redux
Ruby
Blockchain
Achievements / Key results
Jxjzj
Considering roles
DEVOPS
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Q

    Feb 2000 - current time26 years 6 months

fullstack/frontend developer

20+

Popular candidate! Connected by 20+ companies

  • Poland, Mikołów
  • 1-3 years
  • $36k ($3k / month)
  • Advanced
Core technical skills
React.js
Node.js
TypeScript
OOP
Blockchain
Firebase
MongoDB
Achievements / Key results
Built and launched a personal SaaS product with active paying customers Independently delivered end-to-end features in a production environment Implemented multiple robust solutions to complex problems in production systems Contributed to key technical decision-making and architectural direction
Considering roles
FULL STACK
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Full-stack engineer

    Aug 2024 - current time2 years

QA

15+

Popular candidate! Connected by 15+ companies

  • Canada, Toronto
  • 1-3 years
  • $20k ($1.7k / month)
  • Intermediate
Considering roles
FULL STACK
Core technical skills
qa
Python
PostgreSQL
SQL Destinct
MS SQL Server
Hibernate
PHP
Design thinking
Blockchain
Algorithms / Data Structures
Machine Learning
Ad Hoc testing
Typography
Angular.js
Dhhrhdhdhdhrhrhrhhrhrhrhrhrdjdhdhdhdjrjrjrjjfjrjrjfjfjfjfjfjjdjfjfjfjfjjfjdufurjrjrjjfjfjfjjrfjdjjzkskakakskjdjfjtjfjdjdjdjdjjdjdjdjdjdjdjfjtjgjfjfjfjfjfjfhfhfhfhfhdhdhdjdhdhfhfhfjfhfhfhfhfhfjrj
Ready to work
remotely

java

35+

Popular candidate! Connected by 35+ companies

  • United States, West Palm Beach
  • 1-3 years
  • $33k ($2.8k / month)
  • Pre intermediate
Core technical skills
Django
PHP
GraphQL
Blockchain
Design thinking
Achievements / Key results
dsdadfj
Considering roles
PM
DEVOPS
FULL STACK
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • e

    Feb 2009 - current time17 years 6 months

Software Engineer

45+

Popular candidate! Connected by 45+ companies

  • Kazakhstan, Almaty
  • 3-5 years
  • $80k ($6.7k / month)
  • Advanced
Core technical skills
Node.js
React.js
Docker
Testing
Typescript
API TESTING
Mobile testing
Angular.js
PostgreSQL
Express.js
Web3
Redis
Kafka
React Native
Blockchain
Achievements / Key results
Operating 29 production blockchain nodes across 4 consensus paradigms (EVM, Solana, Bitcoin, Substrate) — private internal infrastructure, details under NDA Built Arctic Pay (arcticpay.app) — live USDT→USD virtual card platform processing $10K+ on-chain with 80+ active users and zero double-charge incidents Built Vneshka (fr-vneshka.com) — real-time freelance marketplace with 893 registered users and arbitration queue system Built Prime Electronics (prime-electronics.ru) — e-commerce platform with 12K-product catalog and Excel bulk import/export Shipped 10+ production platforms in 3 years as founding engineer at a 4-engineer product studio Own backend + infrastructure end-to-end on every project (PostgreSQL → NestJS → Next.js → Docker → CI/CD → VPS) Integrated 7 payment providers (Stripe, YooKassa, T-Bank, Pagsmile, HGROSH, Telegram Stars, TronWeb) with HMAC validation + idempotency + state machines Cut manual deployment time 90% via GitHub Actions CI/CD + Docker multi-stage builds Led architectural decisions (stack selection, schema design, infrastructure) across all Spark Studio platforms Diagnosed and fixed version-level blockchain client bugs in production (Moonriver mapping-sync stall, Lodestar Fulu fork, OP-Stack derivation bottleneck)
Considering roles
DEVOPS
FRONTEND
BACKEND
FULL STACK
MOBILE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Full-stack Engineer

    Mar 2023 - current time3 years 5 months

QA

20+

Popular candidate! Connected by 20+ companies

  • Italy, Assisi
  • Less than 1 year
  • $56k ($4.7k / month)
  • Pre intermediate
Core technical skills
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Dfggg
PostgreSQL
HTML & CSS
Blockchain
Achievements / Key results
sdvsdv
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • qa

    Jan 2006 - current time20 years 7 months
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