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45 anonymous candidates

Senior Web3 and Mobile Engineer

  • United States, Jamestown
  • 3-5 years
  • $100k ($8.3k / month)
  • Advanced
Core technical skills
Rust
React.js
React Native
Web3
Blockchain
Node.js
JavaScript
TypeScript
HTML & CSS
Swift
Vue.js
Angular.js
Express.js
MongoDB
MySQL
Achievements / Key results
Key Results Achieved: Shipped cross-platform mobile features that supported the product’s main user workflows. Improved system performance and stability across frontend, backend, and blockchain layers. Enabled a smooth on-chain experience, resulting in higher user trust and retention. My Contribution: Developed mobile screens, API integrations, and real-time features. Built backend services, optimized database queries, and improved API performance. Implemented Web3 modules: wallet connection, token handling, contract interaction, transaction UX. Collaborated with designers and engineers to ensure consistent quality and fast delivery.
Considering roles
FULL STACK
FRONTEND
MOBILE
BACKEND
DATA SCIENCE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Web3 Game Engineer

    Sep 2022 - Dec 20224 months

  • Sr. Web3 Engineer

    Dec 2020 - Apr 20254 years 5 months

  • Web3 Mobile/Full stack Engineer

    Mar 2018 - Oct 20202 years 8 months

Blockchain Engineer

10+

Popular candidate! Connected by 10+ companies

  • United Kingdom, Manchester
  • 3-5 years
  • $110k ($9.2k / month)
  • Advanced
Core technical skills
Rust
TypeScript
Solidity
Blockchain
Web3
Achievements / Key results
- Designed node inactivity tracking pallet and offline marking workflow to reduce collator nodes inactivity time to 2 days for Tanssi network - Researched and integrated XCM on t3rn's blockchain, created CLI for sending XCM transfers, configured the automated sending of 1000+ daily XCM transfers on t3rn's testnet - Designed decentralised marketing campaigns pallet that uses custom Merkle trees to allow for distributing rewards to 500 million+ addresses per campaign for Metaverse Network
Considering roles
BACKEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Blockchain Developer

    Jul 2024 - current time1 year 6 months

  • Blockchain Developer

    Sep 2023 - Jun 202410 months

  • Blockchain Developer

    Mar 2022 - Aug 20231 year 6 months

    Intern Blockchain Developer

    Apr 2021 - Nov 20218 months

ф

5+

Popular candidate! Connected by 5+ companies

  • Netherlands, Amsterdam
  • 3-5 years
  • $24k ($2k / month)
  • Pre intermediate
Core technical skills
manual testing
MySQL
Web3
Mobile testing
React.js
Achievements / Key results
Nostrum recusandae
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • aca

    Apr 2000 - current time25 years 9 months

next

5+

Popular candidate! Connected by 5+ companies

  • United States, New York
  • Less than 1 year
  • $38.2k ($3.2k / month)
  • Upper intermediate
Core technical skills
Angular.js
manual testing
Node.js
Smoke testing
Web3
Achievements / Key results
nam cito bardus sumo voluptate
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • dark furthermore

    Aug 1975 - current time50 years 5 months

busily

  • United States, New York
  • 1-3 years
  • $31.9k ($2.7k / month)
  • Elementary
Core technical skills
Web3
HTML & CSS
Python
AWS
Redux
Achievements / Key results
quisquam arceo pax ratione blanditiis
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • inasmuch behind

    Apr 2006 - current time19 years 9 months

Full Stack Engineer

50+

Popular candidate! Connected by 50+ companies

  • Croatia, Rijeka
  • 5+ years
  • $72k ($6k / month)
  • Advanced
Core technical skills
Solidity
React.js
JavaScript
Node.js
Web3
Achievements / Key results
Innovative and results-driven software engineer with extensive experience designing, developing, and deploying secure, scalable, and high-performance solutions across web, mobile, and blockchain platforms. Skilled in backend architecture, smart contract development, and cloud-based systems, with a strong track record of delivering cutting-edge applications for high-profile clients. Adept at leading technology strategy, implementing robust security protocols, and optimizing development pipelines to achieve operational excellence. Passionate about leveraging advanced cryptography, zero-knowledge proofs, and modern frameworks to create reliable and forward-thinking software solutions.
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

  • Director - technology

    Jan 2025 - current time1 year

  • Senior Software Engineer

    May 2023 - current time2 years 8 months

  • Blockchain Engineer

    Dec 2021 - Mar 20231 year 4 months

  • Mobile Application Developer

    May 2020 - Jul 20222 years 3 months

  • Web and SEO Enhancement

    Sep 2018 - Feb 20201 year 6 months

mountain

10+

Popular candidate! Connected by 10+ companies

  • United States, New York
  • Less than 1 year
  • $38.6k ($3.2k / month)
  • Upper intermediate
Core technical skills
Web3
TypeScript
HTML & CSS
Blockchain
React.js
Achievements / Key results
porro vesco torrens degenero adficio
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • gentle whereas

    Dec 1999 - current time26 years 1 month

gnash

10+

Popular candidate! Connected by 10+ companies

  • United States, New York
  • Less than 1 year
  • $69.8k ($5.8k / month)
  • Elementary
Core technical skills
HTML & CSS
Web3
manual testing
Solidity
MySQL
Achievements / Key results
custodia aveho communis argumentum stabilis
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • square ick

    Jun 2011 - current time14 years 7 months

after

35+

Popular candidate! Connected by 35+ companies

  • United States, New York
  • 5+ years
  • $79.4k ($6.6k / month)
  • Upper intermediate
Core technical skills
Redux
JavaScript
Solidity
Web3
Vue.js
Achievements / Key results
coepi uredo defaeco aut caput
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • ponder productive

    Feb 1950 - current time75 years 11 months

Senior Frontend Engineer

50+

Popular candidate! Connected by 50+ companies

  • Nigeria, Lagos
  • 5+ years
  • $60k ($5k / month)
  • Upper intermediate
Core technical skills
React.js
React Native
Web3
TypeScript
JavaScript
Node.js
MongoDB
HTML & CSS
Angular.js
Solana
PHP
Achievements / Key results
Crafting seamless experiences across screens — 9 years of turning complex problems into elegant, performant interfaces.
Considering roles
FRONTEND
MOBILE
FULL STACK
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Frontend Engineer/Blockchain Developer

    Jul 2025 - Aug 20252 months

  • Web3 UX Designer/Developer

    May 2025 - Jul 20253 months

  • Frontend / Backend Engineer

    Feb 2023 - Sep 20238 months

  • Product Developer

    Apr 2020 - Jul 20255 years 4 months

Voluptatem ducimus

15+

Popular candidate! Connected by 15+ companies

  • Ukraine, Sumy
  • 1-3 years
  • $2.4k ($200 / month)
  • Intermediate
Core technical skills
Swift
Algorithms / Data Structures
PostgreSQL
Web3
RxSwift
Achievements / Key results
Mollit est laborios
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • In aspernatur tempor

    Jun 1996 - current time29 years 7 months

engineer

20+

Popular candidate! Connected by 20+ companies

  • Spain, Alicante
  • Less than 1 year
  • $24k ($2k / month)
  • Pre intermediate
Core technical skills
Ghg
Frff
Qa
GraphQL
MySQL
AMQP
RabbitMQ
jQuery
MS SQL Server
PostgreSQL
Web3
AWS Serverless
Swift
AWS
TensorFlow
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
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • QA engineer

    Mar 2024 - current time1 year 10 months

Senior Web3 Full Stack Engineer

50+

Popular candidate! Connected by 50+ 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 6 months

  • Senior Blockchain Engineer

    Apr 2020 - Jun 20222 years 3 months

  • Frontend Engineer

    Aug 2018 - Mar 20201 year 8 months

bb

25+

Popular candidate! Connected by 25+ companies

  • Spain, Valencia
  • Less than 1 year
  • $20k ($1.7k / month)
  • Elementary
Core technical skills
Java
Bootstrap
Firebase
Hibernate
Usability testing
Blockchain
Mobile Design App
Web3
Black box testing
Ruby
Kubernetes
MongoDB
Distributed Systems
TDD/BDD
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

  • jjj

    Jan 2020 - current time6 years

Backend dev

50+

Popular candidate! Connected by 50+ companies

  • Portugal, Porto
  • Less than 1 year
  • $24k ($2k / month)
  • Advanced
Core technical skills
Web3
Solidity
React.js
C++
Python
Achievements / Key results
I produced a honeypot to monitor the companies resources and logs everything and used grafana for metrics. Everything was detailed in a overleaf report.
Considering roles
DEVOPS
BACKEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Security Analyst

    Jan 2023 - Dec 20231 year

Blockchain Engineer

50+

Popular candidate! Connected by 50+ companies

  • India, Bhopal
  • 1-3 years
  • $20k ($1.7k / month)
  • Upper intermediate
Core technical skills
TypeScript
Rust
React.js
Solidity
Web3
JavaScript
Achievements / Key results
yes i worked at sevral of startup
Considering roles
FRONTEND
BACKEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • member

    Jan 2024 - current time2 years

Senior All Engineer

50+

Popular candidate! Connected by 50+ 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 11 months

Senior Web3 Engineer

50+

Popular candidate! Connected by 50+ companies

  • United States, Tallahassee
  • 5+ years
  • $96k ($8k / month)
  • Advanced
Core technical skills
Blockchain
Web3
Solidity
JavaScript
TypeScript
Achievements / Key results
Participated in building Rings protocol, which is the first defi application to allow the trade of perpetual options on chain without relying on oracles, raised $2M TVL.
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

  • Senior Software Engineer

    Jul 2022 - current time3 years 6 months

Senior Frontend Engineer

50+

Popular candidate! Connected by 50+ companies

  • Ukraine, Dnipro
  • 5+ years
  • $120k ($10k / month)
  • Upper intermediate
Core technical skills
TypeScript
React.js
JavaScript
Node.js
Web3
Achievements / Key results
Covered code with unit-test. Did code review. Led FE team. Developed MVP. Developed high-load web app with over 500k users a month.
Considering roles
FRONTEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Frontend Engineer

    Dec 2024 - current time1 year 1 month

  • Tech Lead

    Apr 2024 - Jan 202510 months

  • Senior Frontend Engineer

    Dec 2022 - Apr 20241 year 5 months

  • Senior Frontend Engineer

    Jan 2021 - Dec 20222 years

  • Frontend Engineer

    Jan 2019 - Jan 20212 years 1 month

  • Fullstack Engineer

    Oct 2017 - Jan 20191 year 4 months

Rust

50+

Popular candidate! Connected by 50+ companies

  • France, Paris
  • 1-3 years
  • $40k ($3.3k / month)
  • Advanced
Core technical skills
Rust
TypeScript
Python
Solana
Web3
Achievements / Key results
I led the development of a cross-platform desktop application that was showcased at the Paris 2024 Olympics. I volunteered at the ZK Summit in Lisbon, a major event focused on zero-knowledge proofs and blockchain technology. Later, I also contributed to the SheFi Summit in Bangkok.
Considering roles
FULL STACK
DATA SCIENCE
FRONTEND
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Fullstack Engineer

    Sep 2023 - Aug 20241 year
View 25 more candidates