Senior/ Lead Blockchain Protocol Engineer
Status
Bangkok, Thailand
Full time
Hybrid
Compensation is not specified
Role
Software Engineer
Description
We are looking for a dedicated individual to join our team focused on designing, developing, maintaining, and enhancing software for various projects adjacent to our core business. As part of our lean and fast-moving team, you will play a vital role in designing scalable applications, covering components from frontend UI to backend infrastructure.
Responsibilities:
- Engage in development activities encompassing proposing architectural decisions, design participation, code reviews, and implementation
- Identify and resolve complex issues within the blockchain protocol
- Collaborate closely with operations and infrastructure teams to develop high-scale backend services
- Manage documentation for all code and functionalities implemented
- Cooperate with DevOps and ecosystem engineers to enhance the technology stack for long-term projects
Requirements:
- Passion for constructing top-notch products to address real-world challenges
- Proficient in various technologies, quick to learn, and possess an action-oriented mindset
- Strong organizational and interpersonal skills, with an ability to navigate conflicting requirements from diverse stakeholders
- Willingness to accept constructive input from others, driven to innovate and improve, open to challenges and fresh possibilities
- Self-driven and capable of defining and executing tasks independently with minimal guidance
- Open to learning, collaborative in nature, and receptive to feedback
- Minimum of 5 years of engineering experience, ideally with a strong background in backend development (e.g., Go, Rust)
- Practical experience with basic cryptographic primitives (e.g., digital signatures, key exchange) and distributed systems knowledge
- Familiarity or interest in languages like Go or Rust, as well as hands-on exposure to blockchain system internals (preferred but not mandatory)
Bonus Skills:
- Contribution to open-source blockchain projects
- Research background in blockchain and/or cryptography
- Experience in Cosmos SDK or Ethereum core development
Additional Details:
- Competitive salary and comprehensive benefits
- Generous annual leave including birthday and work anniversary entitlements
- Opportunities for flexible working hours and hybrid or remote setups
- Internal career mobility program to support professional development
- Attractive "crypto.com" Visa card benefits upon joining
About Us:
Established in 2016, Crypto.com is a leading global cryptocurrency platform with a customer base of over 80 million. We are committed to driving cryptocurrency adoption through innovation, security, and compliance, while empowering the next generation of innovators. Our inclusive and diverse team fosters an environment of collaboration and growth.
Equal Opportunities Statement:
Crypto.com is an equal opportunities employer striving to provide fair and transparent opportunities for all individuals. We value diversity, inclusion, and a range of perspectives to enrich our team and drive our mission towards a more equitable digital ecosystem.
Please note that recruitment-related data submitted by applicants will only be used for hiring purposes. Shortlisted candidates will be contacted accordingly.
Skills Required
Сrypto.com
Website
Сrypto.comCompany size
Not specified
Location
United States
Description
Not specified
Status
Sirex
Venture Associate – AI & Decentralized Infrastructure
Full time
Remote
Role:
Source, diligence, and close early-stage investments in AI-native technologies, decentralized protocols, developer platforms, and compute infrastructure. Work side-by-side with founders post-investment on strategy, hiring, product roadmap, and scaling operations.
Skills & Requirements:
2–4 years in venture capital, startup operations, or technical role (engineering/product background strongly preferred)
Deep understanding of AI models, blockchain infrastructure, open-source ecosystems, and compute markets
Proven ability to build founder networks and spot asymmetric opportunities early
Exceptional analytical skills, written/verbal communication, and comfort with high-uncertainty decisions
Self-starter who moves fast and doesn’t need hand-holding
Salary:
$150,000 – $220,000 USD base + meaningful carry + equity upside + full benefits
Description:
Sirex.vc backs visionary founders redefining the open digital economy with asymmetric, high-conviction bets. We move at startup speed and expect the same from our team. As Venture Associate you’ll be on the front lines hunting the next 100x opportunities in AI, crypto infra, and compute — while rolling up your sleeves to help portfolio companies win. High risk. Zero apologies. If you live for the thrill of early-stage tech and want to build the future instead of just funding it, we want to talk.
Source, diligence, and close early-stage investments in AI-native technologies, decentralized protocols, developer platforms, and compute infrastructure. Work side-by-side with founders post-investment on strategy, hiring, product roadmap, and scaling operations.
Skills & Requirements:
2–4 years in venture capital, startup operations, or technical role (engineering/product background strongly preferred)
Deep understanding of AI models, blockchain infrastructure, open-source ecosystems, and compute markets
Proven ability to build founder networks and spot asymmetric opportunities early
Exceptional analytical skills, written/verbal communication, and comfort with high-uncertainty decisions
Self-starter who moves fast and doesn’t need hand-holding
Salary:
$150,000 – $220,000 USD base + meaningful carry + equity upside + full benefits
Description:
Sirex.vc backs visionary founders redefining the open digital economy with asymmetric, high-conviction bets. We move at startup speed and expect the same from our team. As Venture Associate you’ll be on the front lines hunting the next 100x opportunities in AI, crypto infra, and compute — while rolling up your sleeves to help portfolio companies win. High risk. Zero apologies. If you live for the thrill of early-stage tech and want to build the future instead of just funding it, we want to talk.
Payment in Crypto
Jonathan Hunter
Growth Marketing Lead (User & Volume Growth Focus)
Full time
Remote
We’re hiring a high-impact Growth Marketing Expert who can drive real user acquisition and measurable volume growth — not just manage community channels.
This is not a traditional community manager role. We’re looking for someone with a proven track record of onboarding users, increasing engagement, and directly contributing to product adoption and transaction/activity volume.
What You’ll Own
Develop and execute user growth strategy end-to-end
Drive measurable increases in active users and platform volume
Build acquisition funnels (organic + partnership-driven)
Optimize onboarding flows and activation metrics
Lead social presence across Twitter/X and other platforms
Represent the project in Twitter Spaces and relevant community events
Launch and manage growth campaigns, incentives, and referral programs
Track and report on growth KPIs (CAC, activation rate, retention, volume impact)
Must-Have Experience
Proven track record of growing users and/or trading/activity volume in a startup, Web3, fintech, or SaaS environment
Demonstrated ability to turn social presence into measurable growth
Experience hosting or speaking in Twitter Spaces and similar forums
Strong understanding of growth funnels, activation metrics, and retention loops
Data-driven mindset (comfortable with analytics tools and experimentation)
Bonus Points
Experience in crypto, trading platforms, or financial products
Experience designing referral or incentive systems
Existing relevant audience/network
What We Care About
We don’t care about vanity metrics (likes, impressions).
We care about:
Active users
Retention
Conversion
Volume growth
Sustainable acquisition loops
If you’ve scaled a product before and can show real numbers behind your impact, we want to talk.
This is not a traditional community manager role. We’re looking for someone with a proven track record of onboarding users, increasing engagement, and directly contributing to product adoption and transaction/activity volume.
What You’ll Own
Develop and execute user growth strategy end-to-end
Drive measurable increases in active users and platform volume
Build acquisition funnels (organic + partnership-driven)
Optimize onboarding flows and activation metrics
Lead social presence across Twitter/X and other platforms
Represent the project in Twitter Spaces and relevant community events
Launch and manage growth campaigns, incentives, and referral programs
Track and report on growth KPIs (CAC, activation rate, retention, volume impact)
Must-Have Experience
Proven track record of growing users and/or trading/activity volume in a startup, Web3, fintech, or SaaS environment
Demonstrated ability to turn social presence into measurable growth
Experience hosting or speaking in Twitter Spaces and similar forums
Strong understanding of growth funnels, activation metrics, and retention loops
Data-driven mindset (comfortable with analytics tools and experimentation)
Bonus Points
Experience in crypto, trading platforms, or financial products
Experience designing referral or incentive systems
Existing relevant audience/network
What We Care About
We don’t care about vanity metrics (likes, impressions).
We care about:
Active users
Retention
Conversion
Volume growth
Sustainable acquisition loops
If you’ve scaled a product before and can show real numbers behind your impact, we want to talk.
Payment in Crypto
Carl Miles
Senior Blockchain Engineer
Part time
Remote
We are Nebula Nodes, building a high-performance L2 protocol. We are looking for an engineer who understands the difference between "writing a smart contract" and "designing a scalable ecosystem".
Protocol Core: Development and optimization of L2-settlement logic on Solidity/Yul.
Bridge Security: Designing secure cross-chain gateways with protection against double spending and reorgs.
Node Infrastructure: Optimizing the interaction of node validators with the EVM stack.
Gas Engineering: Extreme cost reduction for publishing data in L1 (Deneb/Cancun-ready).
Requirements:
Deep knowledge of Solidity (0.8.20+) and Assembly (Yul).
Experience working with Foundry (Fuzzing/Invariants) and understanding the architecture of OP Stack or Arbitrum Orbit.
Skills of working with indexers (The Graph/Envio) and the RPC layer.
Protocol Core: Development and optimization of L2-settlement logic on Solidity/Yul.
Bridge Security: Designing secure cross-chain gateways with protection against double spending and reorgs.
Node Infrastructure: Optimizing the interaction of node validators with the EVM stack.
Gas Engineering: Extreme cost reduction for publishing data in L1 (Deneb/Cancun-ready).
Requirements:
Deep knowledge of Solidity (0.8.20+) and Assembly (Yul).
Experience working with Foundry (Fuzzing/Invariants) and understanding the architecture of OP Stack or Arbitrum Orbit.
Skills of working with indexers (The Graph/Envio) and the RPC layer.
Payment in Crypto
Albert Aria
Social media manager
Full time
Remote
Just as the job description say's, you will work as a social media manager, and help me meet daily target's without fail. You must show your willingness to work
Payment in Crypto
Carlos Lima
Senior Blockchain Engineer
Porto, Portugal
Porto, Portugal
Full time
Hybrid
We're Hiring: Senior Blockchain Engineer 🚀 Location: Porto, Portugal (Hybrid) [EU]Join Only High IQ as we revolutionize blockchain infrastructure! We're seeking a Senior Blockchain Engineer to take technical ownership of our critical transaction system. Company DescriptionOnly High IQ is a hub for innovative minds, fostering collaboration and creativity to develop groundbreaking technological solutions. Our mission is to transform visionary ideas into reality, uniting exceptional talent to shape the future. We thrive on intelligence, creativity, and innovation to pioneer advancements and revolutionary platforms. Join us to be part of a dynamic community at the forefront of technological development. The RoleAs our Senior Blockchain Engineer, you'll be the guardian of our transaction ecosystem - maintaining and evolving the infrastructure that powers high-volume blockchain operations. You'll work with embedded wallet systems and a custom onramping solution, ensuring seamless user experiences from funding to transaction completion. What You'll Do🔹 Own the complete transaction lifecycle - from creation to execution and status transitions🔹 Ensure post-transaction integrity through robust confirmation and reconciliation processes🔹 Maintain and enhance embedded wallet systems and onramping infrastructure🔹 Implement and manage transaction sponsoring mechanisms (gas sponsorship)🔹 Strengthen system safety with replay protection and reprocessing strategies🔹 Build and maintain blockchain interfaces for product backends Required Technical Expertise🔸 Deep Solidity and EVM architecture experience🔸 Expert-level proficiency with Hardhat/Foundry🔸 Strong command of Ethers.js, Viem, or Wagmi🔸 Proven track record managing on-chain/off-chain integrations🔸 TypeScript mastery for backend services🔸 Foundational AWS knowledge (Lambda, EC2, Cognito, Postgres, DynamoDB) Our Tech StackBlockchain Core: Solidity, Hardhat, Foundry, Ethers.js, Viem, WagmiBackend: Node.js, ExpressJS, TypeScript (DDD/Hexagonal patterns)Infrastructure: AWS (Cognito, Lambda, EC2, IAM), Aurora/Postgres, DynamoDB, Neptune Your MissionEnsure reliability, traceability, and production readiness for our high-volume ecosystem. You'll join at an exciting time, building on an established codebase while shaping the future of our infrastructure.Ready to build something extraordinary? Apply now or tag someone who'd be perfect for this role! 👇#BlockchainJobs #CryptoCareers #SeniorEngineer #PortoJobs #TechHiring #BlockchainDevelopment #EVM #Solidity #OnlyHighIQ