Blockchain Engineer Job at KGTiger

Blockchain Engineer

Location

Salary:

Not provided

HiRemoters

Expiration Date

Until further notice

Requirements

Strong Solidity + hands-on experience shipping production smart contracts on EVM chains
Solid experience with Hardhat or Foundry (tests, deployment, debugging)
Familiar with contract security best practices (access control, event design, common vulnerabilities)
Can integrate with Node.js / TypeScript services (writing/reading on-chain data, verification flows)
Practical understanding of hashing / Merkle trees / batching for cost-efficient anchoring and verification
Experience with indexing on-chain events (or building a lightweight indexer) for app integration
Senior/strong mid-senior who can own work independently
Able to overlap 3–4 hours/day with UAE time

What we offer

Flexible and Remote Working
Career Growth
Performance Recognition
Health and Fitness Benefits
Extra Paid Annual Leave
Special Birthday Perk

Fulltime

Senior Blockchain Engineer - Team Lead

The Citi Integrated Digital Assets Platform Engineering Team Lead must be a high...

Location

Israel , Tel Aviv

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Bachelor’s degree in CS or Engineering
7 to 10 years of experience in full software development and testing lifecycle
5 to 7 years of experience and expertise with Backend web development with Java spring
1 to 3 years of experience in web3 application development is a plus
1 to 3 years of experience and expertise developing web applications using asynchronous programming and communication
Experience and expertise developing web applications adhering to best practices and patterns for reliability, scalability, and performance
Familiarity with web3 libraries like Web3J and Web3JS is a plus
Familiarity with common and best practices for web3 applications is a plus
Familiarity of Solidity code and best practices is a plus
Familiarity of basics of DevOps and containerize applications is a plus

Job Responsibility

Collaborate with team members in implementation approach of web applications leveraging blockchain technology
Own and deliver functional scope end-to-end of applications leveraging blockchain technology meeting our quality standards
Solve solution engineering challenges to meet our stakeholders’ requirements and expectations
Know and properly use best and common practices, and design patterns for enterprise web applications
Know and properly use best and common practices, and design patterns for web3 applications
Properly use collaborative tools to manage and deliver work in a distributed team
Contribute and maintain tech documents for code and applications built and maintained
Be a team player and properly communicate in a distributed team
Help resolve/escalate issues as needed to successfully deliver projects on time, on budget and with quality

Fulltime

Principal Blockchain Engineer

As a Principal Blockchain Engineer on the DeFi Yield Gen Platform team, you’ll g...

Location

United States , Jersey City; Merrimack; Westlake

Salary:

107000.00 - 216000.00 USD / Year

Fidelity Investments

Expiration Date

Until further notice

Requirements

Bachelor's degree in computer science or related field required
8+ years' of progressive experience in software engineering using programming languages like RUST
Hands-on experience with L1 & L2 blockchains such as Ethereum, Polygon, Arbitrum
Hands-on experience building highly performant and low latency applications
Proficient in databases and SQL
An understanding of microservice architecture
Ability to build reliable software that can withstand unreliable environments
Experience building unit and integration tests
Experience building and deploying applications using continuous integration pipelines and automated deployment tools such as Jenkins Core
Possess critical thinking skills to build end-to-end solutions

Job Responsibility

Develop your skills and collaborate with engineers across Fidelity
Work closely with technical leaders and Architects to build a secure crypto yield generation platform utilizing modern software development practices
Mentor engineers on the best practices for Software development

What we offer

Comprehensive health care coverage and emotional well-being support
Market-leading retirement
Generous paid time off and parental leave
Charitable giving employee match program
Educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career

Fulltime

Senior Blockchain Engineer

The Senior Blockchain Engineer at Citi Integrated Digital Assets Platform (CIDAP...

Location

Ireland , Dublin

Salary:

85600.00 - 128400.00 EUR / Year

Citi

Expiration Date

Until further notice

Requirements

Bachelor’s degree in CS or Engineering
7 to 10 years of experience in full software development and testing lifecycle
5 to 7 years of experience and expertise with Backend web development with Java spring
1 to 3 years of experience in web3 application development is a plus
1 to 3 years of experience and expertise developing web applications using asynchronous programming and communication
Experience and expertise developing web applications adhering to best practices and patterns for reliability, scalability, and performance
Familiarity with web3 libraries like Web3J and Web3JS is a plus
Familiarity with common and best practices for web3 applications is a plus
Familiarity of Solidity code and best practices is a plus
Familiarity of basics of DevOps and containerize applications is a plus

Job Responsibility

Collaborate with team members in implementation approach of web applications leveraging blockchain technology
Own and deliver functional scope end-to-end of applications leveraging blockchain technology meeting our quality standards
Solve solution engineering challenges to meet our stakeholders’ requirements and expectations
Know and properly use best and common practices, and design patterns for enterprise web applications
Know and properly use best and common practices, and design patterns for web3 applications
Properly use collaborative tools to manage and deliver work in a distributed team
Contribute and maintain tech documents for code and applications built and maintained
Be a team player and properly communicate in a distributed team
Help resolve/escalate issues as needed to successfully deliver projects on time, on budget and with quality

What we offer

Competitive base salary (which is annually reviewed)
Benefits that support you (and your family) to be well, live well and save well
Hybrid working model (up to 2 days working at home per week)
Business casual workplace

Fulltime

Software Engineer, Blockchain & Distributed Systems

We are seeking Software Engineers, an entry-level to more senior technical role ...

Location

Switzerland , Lugano

Salary:

Not provided

Blockstream

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent practical experience)
0-5 years of professional software development experience (internships and academic projects count)
Proficiency in at least one programming language (Python, JavaScript/TypeScript, Go, Java, or Rust)
Understanding of fundamental programming concepts: data structures, algorithms, object-oriented programming
Familiarity with version control systems (Git) and collaborative development workflows
Self-starter with proven ability to work collaboratively across multiple teams and geographies, demonstrating high-quality and high-touch customer engagement throughout all phases of delivery
Strong problem-solving abilities and attention to detail
Eagerness to learn new technologies and adapt quickly
Languages: English required
Swiss German/German, French and/or Italian a plus

Job Responsibility

Write clean, maintainable code following team coding standards and best practices
Implement features and functionality based on technical specifications
Debug and resolve software defects with guidance from senior team members
Develop and execute unit tests to ensure code quality
Participate in code reviews to learn from experienced developers
Support integration activities with APIs, databases, and external systems
Document code and technical processes clearly
Collaborate with architects, DevOps engineers, and QA teams
Learn and apply software development principles, design patterns, and fintech domain knowledge

Fulltime

Software Engineer, Blockchain & Distributed Systems

We are seeking Software Engineers, an entry-level to more senior technical role ...

Location

Switzerland , Lugano

Salary:

Not provided

Blockstream

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent practical experience)
0-5 years of professional software development experience (internships and academic projects count)
Proficiency in at least one programming language (Python, JavaScript/TypeScript, Go, Java, or Rust)
Understanding of fundamental programming concepts: data structures, algorithms, object-oriented programming
Familiarity with version control systems (Git) and collaborative development workflows
Self-starter with proven ability to work collaboratively across multiple teams and geographies, demonstrating high-quality and high-touch customer engagement throughout all phases of delivery
Strong problem-solving abilities and attention to detail
Eagerness to learn new technologies and adapt quickly
Languages: English required
Swiss German/German, French and/or Italian a plus

Job Responsibility

Write clean, maintainable code following team coding standards and best practices
Implement features and functionality based on technical specifications
Debug and resolve software defects with guidance from senior team members
Develop and execute unit tests to ensure code quality
Participate in code reviews to learn from experienced developers
Support integration activities with APIs, databases, and external systems
Document code and technical processes clearly
Collaborate with architects, DevOps engineers, and QA teams
Learn and apply software development principles, design patterns, and fintech domain knowledge

Fulltime

Senior Blockchain Engineer

Groma is blending real estate and technology to unlock a new real estate asset c...

Location

United States , Boston

Salary:

Not provided

Groma (MA)

Expiration Date

Until further notice

Requirements

Senior-level role
Hands-on experience building, deploying, and maintaining smart contracts in a production environment on EVM networks (Ethereum and Base)
Experience working with a variety of token standards
Willing and able to contribute across the entire technology stack
Comfortable building web applications in Django or a comparable framework
Startup interest
Product mindset
Technical breadth
Desire to move fast

Job Responsibility

Build the digital infrastructure and products that power the company
Work on tools to manage the real estate portfolio efficiently
Work on products that enable investors to initiate and manage their investments
Work on infrastructure to express property assets, investor share holdings, and REIT operations on Ethereum and other networks

What we offer

Competitive salary for the Boston area
Early stage equity
5% 401k match
100% employer-paid premiums for high-quality health, dental, and vision insurance plans
Fully covered commuter passes for bus, subway, boat, or commuter rail
Unlimited PTO
13 official company holidays
1 floating holiday
Beautiful office in downtown Boston with a gym, locker rooms, game room, rooftop garden, and at least one catered lunch and breakfast per week

Fulltime

Senior Security Engineer, Blockchain

Join us in building the future of finance. Our mission is to democratize finance...

Location

United States , Menlo Park

Salary:

187000.00 - 220000.00 USD / Year

Robinhood

Expiration Date

Until further notice

Requirements

4+ years of experience conducting cyber security assessments
3+ years of experience engineering security solutions
2+ years of experience specializing in assessing and securing blockchain applications and infrastructure
Deep understanding of blockchain technologies, protocols, exploits, and frameworks and associated security risks
Security domain knowledge across many cyber security disciplines
Outside-the-box thinking (adversary mentality)
Experience communicating effectively with technical/non-technical and executive-level audiences
Working knowledge of Go or Python for interacting with security tooling APIs

Job Responsibility

Perform proactive assessments covering infrastructure, secure and resilient architecture, data security (including privacy), identity and access management, application and product security for our Crypto business
Prioritize and drive the reduction of discovered security issues, vulnerabilities, and risks by partnering with the business to provide recommendations and solutions
Work with technical leads to develop strategies, programs, systems and tools that enhance our approach in keeping our products, data, and customers safe and secure
Collaborate with partner security teams to help safeguard Robinhood’s data and infrastructure
Provide technical expertise on Robinhood’s Security and Privacy solutions, policies, procedures, and standards
Stay up to date on the direction of emerging security, privacy, blockchain technologies, and industry trends

What we offer

Performance driven compensation with multipliers for outsized impact, bonus programs, equity ownership, and 401(k) matching
100% paid health insurance for employees with 90% coverage for dependents
Lifestyle wallet - a highly flexible benefits spending account for wellness, learning, and more
Employer-paid life & disability insurance, fertility benefits, and mental health benefits
Time off to recharge including company holidays, paid time off, sick time, parental leave, and more
Exceptional office experience with catered meals, events, and comfortable workspaces

Fulltime

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Blockchain Engineer

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