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141 anonymous candidates

Senior Blockchain Developer

  • Germany, Munich
  • 5+ years
  • $24k ($2k / month)
  • Intermediate
Core technical skills
React.js
Node.js
MongoDB
Express.js
TypeScript
JavaScript
Solidity
Solana
Achievements / Key results
As a skilled and motivated full-stack developer, I bring extensive experience in both backend and frontend development. I am committed to delivering high-quality results while fostering collaboration in dynamic environments. My proficiency in various programming languages and frameworks allows me to develop responsive web applications and robust APIs effectively. With a proven track record in JavaScript and Python, alongside experience with React and Django, I excel at creating seamless user experiences and efficient server-side solutions. Let's connect to explore how I can contribute to your team's success!
Considering roles
FULL STACK
MOBILE
BACKEND
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Senior Full Stack Developer

    Aug 2020 - current time4 years 6 months

Full Stack Web3 Developer

  • India, Bengaluru
  • 1-3 years
  • $42k ($3.5k / month)
  • Upper intermediate
Core technical skills
Solidity
React.js
Node.js
MongoDB
Rust
TypeScript
JavaScript
API testing
Blockchain
Web3
Achievements / Key results
Improved Performance Metrics: Boosted the performance of in defi application, increasing the performance rating from 40 to 70 through optimization techniques and efficient code refactoring. Real-Time System Implementation: Designed and developed a Points and Score system for the ecosystem using Node.js, Express.js, MongoDB, and ethers.js, enabling real-time updates based on blockchain events
Considering roles
FRONTEND
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Frontend Web3 Devloper

    Apr 2024 - current time10 months

234567899

  • Ukraine, Sumy
  • Less than 1 year
  • $7.2k ($600 / month)
  • Intermediate
Core technical skills
JavaScript
React.js
HTML & CSS
MySQL
TypeScript
Node.js
API testing
manual testing
SASS
AWS
Mobile testing
Solidity
Python
Java
PostgreSQL
Redux
Web3
Achievements / Key results
Seegghhkxgkxgkjgdjgsjtstjsfjzgjysysyhhdhdhdhdududufjcjcjvjystsydufjcjcjchxystdydufufjgjcjxhdydydyfufjcjcjchfhfhfudydufufugjvjvjvjvjfjcjcjcjcjchchchchchchchchcjcjcjcjcjcjcjcjcjcjchchchchxufufhcuchfufysrstsydhxhchchxhhdhdhdhdhdhdu🎄☺️☺️💛💛🥰🤯🤯🙈😘😍🥰💝🤣🤣😘🤣💝🤣🫳✊️✊️🤯✊️💖dudududufufuf
Ready to work
remotely

ad

  • South Africa, Maluti-a-Phofung Local Municipality
  • 5+ years
  • $124.3k ($10.4k / month)
  • Advanced
Core technical skills
MongoDB
Responsive design
Solidity
Node.js
Mobile Design App
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
QA
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • qw

    Apr 2014 - current time10 years 10 months

ggff

  • Albania, Rrotlla
  • 5+ years
  • $120k ($10k / month)
  • Upper intermediate
Core technical skills
Node.js
API testing
SASS
Mobile testing
Solidity
Achievements / Key results
Match
Ready to work
pap arkadiya

frontend developer

5+

Popular candidate! Connected by 5+ companies

  • India, Hyderabad
  • 5+ years
  • $3k ($250 / month)
  • Upper intermediate
Core technical skills
React.js
JavaScript
HTML & CSS
Solidity
Redux
Web3
Achievements / Key results
Successfully implemented Redux in multiple projects, enhancing state management and app performance, resulting in a 20% reduction in load times and smoother user interactions."
Considering roles
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • team lead

    Jun 2009 - Nov 202415 years 6 months

Full Stack Developer

  • India, Hyderabad
  • Less than 1 year
  • $20k ($1.7k / month)
  • Advanced
Core technical skills
React.js
Node.js
Solidity
AWS
PostgreSQL
MongoDB
Docker
JavaScript
Achievements / Key results
GDSC BitNBuild Hackathon Finalist February 2023 -Secured second position in the GDSC BitNBuild hackathon (state level) conducted at CVR Engineering College, Hyderabad. -Shortlisted for the finals held at CRCE, Mumbai. Startup Pitch Competition - Third Place July 2023 -Secured third place in a startup pitch competition hosted by Student Tribe (Stumagz) during the Prost in 2023 event. -Pitched my idea to a jury of entrepreneurs and angel investors.
Considering roles
FULL STACK
FRONTEND
MOBILE
Ready to work
remotely
hyderabad
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Associate Software Intern

    Jun 2024 - Sep 20244 months

The coolest developer

  • United Kingdom, Cambridge
  • 5+ years
  • $215.5k ($18k / month)
  • Upper intermediate
Core technical skills
JavaScript
React.js
HTML & CSS
TypeScript
MySQL
Node.js
API testing
SASS
manual testing
AWS
Solidity
Mobile testing
Python
Java
Redux
PostgreSQL
Web3
Docker
MongoDB
Smoke testing
GraphQL
Blockchain
Vue.js
Functional testing
Angular.js
React Native
Express.js
CI/CD
PHP
Spring
Usability testing
Regression testing
Rust
Hibernate
Responsive design
Android
Swift
Sanity testing
Bootstrap
Qa
Wireframing
Firebase
SwiftUI
Flutter
Automation testing
C++
SDLC
DevOps
Solana
Unit Testing
Test Case Design
Ruby
Algorithms / Data Structures
RxSwift
Go
Mobile Design App
Human Interface Guidelines
Design system
Kotlin
Black box testing
Achievements / Key results
Dog
Ready to work
remotely

Middle Frontend developer

  • United Kingdom, Cambridge
  • 3-5 years
  • $200k ($16.7k / month)
  • Advanced
Core technical skills
React.js
JavaScript
HTML & CSS
TypeScript
MySQL
Node.js
API testing
SASS
manual testing
AWS
Solidity
Mobile testing
Python
Java
Redux
PostgreSQL
Web3
Docker
MongoDB
Smoke testing
GraphQL
Blockchain
Vue.js
Functional testing
Angular.js
React Native
Express.js
CI/CD
Achievements / Key results
Lots of money
Ready to work
remotely

Expert Blockchain Full Stack Developer

5+

Popular candidate! Connected by 5+ companies

  • India, Pune
  • 3-5 years
  • $10k ($833 / month)
  • Intermediate
Core technical skills
Solidity
Python
JavaScript
React.js
TypeScript
Node.js
Web3
Achievements / Key results
Worked on multiple blockchain projects for writing and deploying smart contracts, integrate them with there DApps.
Considering roles
FULL STACK
BACKEND
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Full Stack Developer

    Sep 2023 - current time1 year 5 months

  • Full Stack Blockchain Developer

    May 2022 - May 20231 year 1 month

  • Blockchain developer

    Nov 2021 - Apr 20226 months

  • Blockchain Developer

    Jun 2021 - Nov 20216 months

ushsysy

  • Kiribati, Kiribati
  • 5+ years
  • $885.3k ($73.8k / month)
  • Advanced
Core technical skills
SASS
JavaScript
React.js
Node.js
API testing
HTML & CSS
MySQL
TypeScript
manual testing
AWS
Solidity
Mobile testing
Python
Java
Redux
PostgreSQL
Achievements / Key results
hddf
Ready to work
remotely

qa

  • Germany, Frankfurt
  • 1-3 years
  • $33.3k ($2.8k / month)
  • Pre intermediate
Core technical skills
Node.js
Solidity
Redux
Docker
MongoDB
CI/CD
Achievements / Key results
Ullamco et ut ullamc
Considering roles
FULL STACK
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • qa

    Feb 2020 - current time5 years

Consequatur pariatur

  • Mexico, Guadalajara
  • 1-3 years
  • $55.6k ($4.6k / month)
  • Pre intermediate
Core technical skills
PostgreSQL
Node.js
TDD/BDD
Solidity
Redux
Docker
Achievements / Key results
q
Considering roles
BACKEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • Magna dolor eum moll

    Feb 1992 - current time33 years

gfghh

5+

Popular candidate! Connected by 5+ companies

  • United States, San Francisco
  • Less than 1 year
  • $2.4k ($200 / month)
  • Elementary
Core technical skills
SASS
manual testing
AWS
Solidity
API testing
Node.js
MySQL
TypeScript
Achievements / Key results
adad
Considering roles
DEVOPS
FULL STACK
FRONTEND
MOBILE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • ad

    Feb 1945 - current time80 years

Senior Full stack developer

25+

Popular candidate! Connected by 25+ companies

  • Georgia, Tbilisi
  • 5+ years
  • $60k ($5k / month)
  • Upper intermediate
Core technical skills
React.js
Redux
MongoDB
Node.js
Blockchain
web3
Solidity
Solana
PHP
Laravel
JavaScript
C#
HTML & CSS
TypeScript
Achievements / Key results
As a senior full-stack web developer, here are some examples of key results you might have helped your product achieve and how you contributed to them: 1. Improved Application Performance Key Result: Reduced server response time by 30%, leading to a 20% increase in user retention. Contribution: Optimized backend queries and implemented caching mechanisms using Redis. Refactored code to follow SOLID principles, reducing technical debt. Conducted performance testing and identified bottlenecks using tools like Postman and JMeter. 2. Enhanced User Engagement Key Result: Increased daily active users (DAUs) by 40% within three months of launching a new feature. Contribution: Designed and developed an intuitive and responsive user interface using React/Angular and Tailwind CSS. Implemented gamification features (e.g., leaderboards, achievements) to encourage engagement. Collaborated with the product team to fine-tune user experience through A/B testing. 5. Strengthened Security and Compliance Key Result: Passed third-party security audits and achieved 100% GDPR compliance. Contribution: Implemented OWASP-recommended practices for secure coding. Added two-factor authentication (2FA) and role-based access controls (RBAC). Developed scripts to anonymize and encrypt sensitive user data in backups. 3. Accelerated Feature Delivery Key Result: Delivered 15+ new features in six months, cutting release cycles by 50%. Contribution: Built reusable components to speed up frontend development in React and Angular. Set up CI/CD pipelines using GitHub Actions and Jenkins to automate testing and deployments. Implemented API-first development, ensuring seamless collaboration between frontend and backend teams. 4. Boosted Revenue Through Scalability Key Result: Scaled the platform to handle 5x traffic growth, contributing to a 25% revenue increase. Contribution: Migrated monolithic architecture to microservices using Node.js and Docker. Integrated load balancers and auto-scaling groups in AWS for high availability. Conducted stress testing to ensure stability during peak loads.
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

  • Senior Blockchain Developer

    Jan 2023 - Nov 20241 year 11 months

  • Senior Mobile Developer

    Jun 2020 - Dec 20222 years 7 months

  • Senior Web Developer

    Jun 2019 - May 20201 year

ed

  • Germany, Frankfurt
  • 3-5 years
  • $33.3k ($2.8k / month)
  • Pre intermediate
Core technical skills
Node.js
Solidity
Redux
Docker
MongoDB
CI/CD
Achievements / Key results
sdc
Considering roles
FRONTEND
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • rt

    Apr 2022 - current time2 years 10 months

hhhh

5+

Popular candidate! Connected by 5+ companies

  • France, Colmar
  • 1-3 years
  • $4.5k ($378 / month)
  • Intermediate
Core technical skills
Typography
Hibernate
CI/CD
Wireframing
Solidity
Achievements / Key results
aaaaaaa aaaaaa aaaaaaa
Considering roles
DEVOPS
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • jjjjjjj

    Feb 1960 - current time65 years

Candidate

5+

Popular candidate! Connected by 5+ companies

  • Ukraine, Kyiv
  • 1-3 years
  • $12k ($1000 / month)
  • Pre intermediate
Core technical skills
MySQL
PostgreSQL
Docker
MongoDB
Smoke testing
React.js
HTML & CSS
Python
Mobile testing
API testing
Node.js
SASS
manual testing
AWS
Solidity
JavaScript
TypeScript
Java
Redux
Web3
GraphQL
Usability testing
Functional testing
Regression testing
Sanity testing
Automation testing
Unit Testing
Test Case Design
Black box testing
Kubernetes
User Testing
Cross-browser Testing
Non functional testing
Ad Hoc testing
Acceptance testing
Testing
mobfile testing
Testing
Typescript
API TESTING
Mobile testing
Testing
Typescript
API TESTING
Mobile testing
Ad-hoc testing
e2e testing
Achievements / Key results
Jsjsjjd
Ready to work
remotely

At quod sit vel ani

5+

Popular candidate! Connected by 5+ companies

  • Romania, 23 August
  • 1-3 years
  • $50k ($4.2k / month)
  • Pre intermediate
Core technical skills
Human Interface Guidelines
JavaScript
manual testing
TypeScript
Solidity
Achievements / Key results
43434
Considering roles
DEVOPS
MOBILE
BACKEND
DATA SCIENCE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • 23

    Mar 1960 - current time64 years 11 months

Qui cillum et ea omn

5+

Popular candidate! Connected by 5+ companies

  • India, Ukhimath
  • 3-5 years
  • $50k ($4.2k / month)
  • Pre intermediate
Core technical skills
Human Interface Guidelines
Docker
CI/CD
Solidity
Redux
Achievements / Key results
sas
Considering roles
FULL STACK
MOBILE
Ready to work
remotely
Experience details are hidden. To make them visible, send a message to the candidate.

Experience

  • ewewe

    Apr 1986 - current time38 years 10 months
View 121 more candidates