Blockchain Developer Job at Silver.dev

Blockchain Developer

Location

India , Hyderabad

Salary:

Not provided

Golden Future Technologies

Expiration Date

Until further notice

Requirements

2-5yrs experience
Blockchain
Web3
Tokenization
immediate joiners or who can join in max of 15 days will be preferred

Fulltime

Blockchain Developer

We are looking for a blockchain developer who will be responsible for designing,...

Location

India , Gurugram

Salary:

Not provided

Radiansys

Expiration Date

Until further notice

Requirements

Strong software development background
Experience working with large codebases
Experience working with open-source projects
Proficiency in one of the following languages: C++, Java, JavaScript
Strong knowledge of common algorithms and data structures
Familiarity with basic cryptography
Familiarity with P2P networks
Strong knowledge of bitcoin-like blockchains
Strong knowledge of concurrency and writing efficient and safe multi threaded code
Strong knowledge of STL, C++11

Job Responsibility

Research, design, develop, and test blockchain technologies
Brainstorm and help evaluate applications for new tools and technologies as they continually evolve
Creating Smart Contracts
Developing NFT marketplace
Maintain and extend current client- and server-side applications responsible for integration and business logic
Be involved in the global blockchain community work on implementing and integrating the latest improvement proposals
Document new solutions as well as maintaining the existing ones

Middle/Senior Blockchain (Solidity) Developer

Location

Salary:

Not provided

Peiko

Expiration Date

Until further notice

Requirements

Experience in creating applications related to blockchain and cryptocurrencies from 3+ years
Knowledge of the Ethereum blockchain
Writing Solidity contracts from 3+ years
Understanding of ERC20, ERC721 token standards

Job Responsibility

Development of the project from scratch and assistance in building the architecture
Implementation of new functions and active participation in the discussion of new features on the project
Active work with contracts and Web3.js

What we offer

Full remote work or at your choice
Work in a strong team
Transparent processes
Interesting and difficult tasks and projects
Competitive salary
The possibility of training and development within the company: payment of specialized courses, participation in conferences
We have corporate English language training + we are an international company, so you still have the opportunity to practice English at work
Social package (paid vacation and sick leave)
Merch and welcome box await you, we give employees gifts, equipment, Apple Watch, MacBook and more
At Peiko, you have confidence and stability, support, respect, trust, teamwork, care for each employee

Partnership Business Development Executive

We are looking for a self-starter with exceptional business acumen who can navig...

Location

Brazil , Rio de Janeiro

Salary:

Not provided

Chiliz

Expiration Date

Until further notice

Requirements

3+ years of experience in business development, sales, or partnerships, preferably within the financial services/banking sector
Preferably knowledge of web3, and could be sports related
Proven track record of successfully closing complex B2B partnerships and achieving revenue targets
Strong understanding of the Brazilian financial services landscape and regulatory environment
Excellent presentation and negotiation skills with ability to influence C-level executives
Fluency in Portuguese and English (written and verbal)
Bachelor's degree in Business, Finance, Economics, or related field

Job Responsibility

Identify, evaluate, and develop strategic partnerships with retail networks, financial institutions, investment firms, and other potential distribution channels for fan tokens and Chiliz products
Build and maintain relationships with key decision-makers across banking, sports organizations, and crypto-related businesses in Brazil
Create compelling business proposals, pitch decks, and partnership frameworks tailored to prospective partners' needs and objectives
Conduct market analysis to identify emerging opportunities and competitive dynamics in the Brazilian digital asset and sports engagement landscape
Collaborate with internal teams to ensure successful partnership implementation and ongoing relationship management
Represent Socios.com/Chiliz at industry events, conferences, and client meetings
Track partnership performance metrics and provide regular reports on business development activities and pipeline status

What we offer

Competitive salaries
Wellness allowance
Healthcare
Pension plans

Fulltime

Blockchain Senior Backend Engineer

Join Citi's Innovation Labs and leverage cutting-edge blockchain technology to r...

Location

Israel , Tel Aviv

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

A Bachelor's degree in Computer Science, Engineering, or a related discipline
8+ years of extensive experience in full software development and testing lifecycle, with deep expertise in Backend web development using Java Spring
An understanding of web3 infrastructure, blockchain technology, and digital assets, with a proven ability to develop web applications leveraging these technologies – advantage
Demonstrated experience developing high-performance web applications, adhering to best practices and patterns for reliability, scalability, and performance
Excellent computer science fundamentals, including data structures, algorithms, and design patterns, translated into elegant, working code
Familiarity with Agile Methodology and Scrum, and proficiency with collaborative tools for distributed team environments
Love coding and creating things, especially when people actually use your builds

Job Responsibility

Collaborate with a visionary team to implement next-generation web applications, harnessing the power of blockchain technology
Own and deliver end-to-end functional scope for applications leveraging blockchain, ensuring unparalleled quality and performance
Tackle complex engineering challenges, delivering innovative solutions that meet and exceed stakeholder expectations in the rapidly evolving digital assets landscape
Champion and apply best practices and cutting-edge design patterns for both enterprise and web3 applications, ensuring architectural excellence
Drive the proper use of collaborative tools and methodologies to manage and deliver high-impact work within a distributed, agile team
Contribute to and maintain high-quality technical documentation, fostering knowledge sharing and ensuring the longevity of our innovative solutions

What we offer

Competitive base salary and a comprehensive benefits package, including generous holiday allowance, private medical insurance, and employee assistance programs
A business-casual workplace with a hybrid working model (up to 2 days working at home per week)
A workplace where everyone feels comfortable coming to work as their whole self, where the best talent is energized to join, motivated to stay, and empowered to thrive

Fulltime

Senior Crypto Developer

We are seeking a talented and driven Senior Crypto Developer to join our dynamic...

Location

Salary:

Not provided

gamdom

Expiration Date

Until further notice

Requirements

5+ years of backend development experience, including significant work with Node.js and TypeScript
Strong understanding of blockchain fundamentals, especially UTXO vs. account-based models
Hands-on experience with Ethereum, Bitcoin, and L2s (e.g., Arbitrum, Optimism, Polygon)
Familiarity with Web3 libraries such as ethers.js, web3.js, and experience interacting with RPC APIs
Deep understanding of secure wallet management practices and MPC technology
Proficiency in front-end development using React and Web3 provider integrations
Experience in designing high-availability systems and real-time transaction infrastructure
Strong emphasis on security, performance, and scalability
Excellent documentation and communication skills

Job Responsibility

Own backend micro-services in Node.js/TypeScript that interface with multiple blockchains, following clean-architecture and test-driven development principles
Run and optimize bitcoin-core (BTC/LTC) nodes, manage UTXO sets, fee estimation, mempool monitoring, and wallet RPCs for high-volume deposit and withdrawal flows
Build and maintain Ethereum transaction pipelines using ethers.js - handle ERC-20/ERC-721 token transfers, reorgs, transaction signing/broadcasting, and nonce management
Integrate additional L1/L2 networks by abstracting blockchain-specific logic behind a unified service layer, enabling rapid support for new tokens and chains
Leverage Fireblocks or similar MPC/custodial APIs to manage secure wallet operations, policy enforcement, and multi-signature approval flows
Develop and maintain frontend Web3 wallet integrations (e.g., MetaMask, WalletConnect, Ledger) using TypeScript/React, delivering seamless UX and real-time transaction feedback
Build scalable deposit & withdrawal infrastructure, including queueing systems, idempotent webhooks, reconciliations, wallet sweeps, address management, and fee optimization
Embed security and compliance features, KYT screening, whitelisting, secrets management, and rate-limiting into application code and CI/CD pipelines
Monitor blockchain health and system performance establish SLAs, create alerting systems, implement incident response plans, and lead post-mortems
Document APIs, architecture decisions, and operational runbooks

What we offer

A dynamic and supportive work environment
Opportunities for professional growth and development in a rapidly evolving industry
Competitive salary and performance-based incentives
The chance to work with a passionate team in the forefront of blockchain innovation

Senior Flutter Developer

Due to the company’s expansion PixelPlex is looking for a Senior Flutter Develop...

Location

Salary:

Not provided

PixelPlex

Expiration Date

Until further notice

Requirements

At least 3 years of commercial development experience with Flutter
Strong knowledge of Dart
Knowledge of Kotlin/Java and/or Swift/Objective-C
Familiarity with Git, Gradle, CocoaPods, BLoC, MobX, Redux, SOLID, DI, TDD, Clean Architecture
Deep understanding and practical application of SOLID architecture principles and others
Experience in creating technical documentation and ability to formulate a technical implementation plan
Potential for growth into a Lead Flutter development role

Job Responsibility

Developing projects in Flutter
Participation in application architecture design
Test writing
Support of completed projects
Maintenance of project technical documentation

Fulltime

Web3 Front End Developer

The Childhood Cancer Society is dedicated to supporting families facing pediatri...

Location

Salary:

Not provided

Childhood Cancer Society

Expiration Date

Until further notice

Requirements

Proficiency in front-end technologies such as React, JavaScript, or similar frameworks
Experience creating intuitive and user-friendly interfaces
Familiarity with blockchain wallet integrations and Web3 frameworks (ethers.js, web3.js)
Strong problem-solving skills and attention to detail
Excellent communication and teamwork abilities

Job Responsibility

Design and implement a user-friendly website for the cryptocurrency
Develop purchase mechanisms and integrations with cryptocurrency wallets
Ensure a seamless user experience for donors and supporters
Participate in code reviews and provide constructive feedback
Maintain the security, scalability, and reliability of the platform

Blockchain Developer

Silver.dev

Location:
Argentina

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
March 08, 2026

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Job Posted:
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