Senior Software Engineer - Special Projects
Status
Washington, USA
Full time
Remote
Compensation is not specified
Role
Software Engineer
Description
Circle is a dynamic financial technology firm positioned at the forefront of the evolving internet of money, facilitating global, near-instantaneous, and cost-effective value transfers. Through innovative technologies such as USDC, a blockchain-based dollar, Circle empowers businesses, institutions, and developers to leverage groundbreaking financial opportunities. The Ripple company ethos emphasizes core values including Multistakeholder, Mindfulness, Excellence, and High Integrity. Operating in a remote support environment, Circle cultivates a culture of collaboration, diversity, and agility, fostering creativity and sustainable growth.
Role Summary: Seeking an adept Smart Contract Engineer with profound expertise to play a pivotal role within Circle's USDC Smart Contract team. As a Senior/Staff Software Engineer within this team, you will spearhead the technical design and expansion of smart contracts for USDC across various blockchain networks, like Ethereum, Solana, and Cosmos.
Responsibilities include:
- Designing, coding, testing, and deploying smart contracts for secure and streamlined transactions.
- Improving existing smart contracts to enhance developer efficiency, safety, and overall performance.
- Implementing best security practices and performance optimization techniques.
- Performing risk evaluations associated with smart contract development, identifying vulnerabilities, and executing mitigation strategies for improved security and resilience.
Candidate Profile / Experience Level: Senior Software Engineer (III):
- Over 4 years of professional software development experience, comprising internships.
- A minimum of 2 years of dedicated smart contract development experience on blockchain platforms.
- Proficiency in programming languages applied in non-EVM smart contracts, such as Rust, Go, or similar.
- Hands-on experience with a primary non-EVM blockchain ecosystem like Cosmos or Solana.
- Proven track record in architecting, coding, testing, and deploying secure and efficient smart contracts.
- Strong focus on integrative security measures in smart contract development.
- Excellent problem-solving skills combined with a proactive and data-driven approach to challenges.
- Independent research capabilities to devise innovative solutions.
Staff Software Engineer (IV) requires all the criteria of a Senior Software Engineer and:
- More than 7 years of professional software development experience, including internships.
- At least 4 years of specialized smart contract development expertise on blockchain platforms.
- Mastery of non-EVM programming languages and technologies.
- Deep understanding of blockchain principles, technologies, and various blockchain & web3 protocols.
- Capacity to lead technical teams, mentor junior engineers, and effectively collaborate across functions.
- Excellent communication skills to facilitate consensus-building with team members and stakeholders.
Compensation and Benefits: Competitive base pay ranges (Senior: $147,500 - $195,000; Staff: $172,500 - $227,500), alongside attractive annual bonus targets. Additional offerings include equity, comprehensive medical, dental, vision coverage, 401(k) plans, and discretionary vacation policies. Ten paid sick days annually and eleven paid holidays offered in the U.S.
Circle ensures an inclusive workforce, refrains from discrimination based on race, religion, nationality, gender, age, marital status, veteran status, or disability, and adheres to the E-Verify Program where required by law for specific locations.
Skills Required
Circle
Website
www.circle.comCompany size
Not specified
Location
United States
Description
Not specified
Status
Chi Ng.
Global Business Development Manager (KOL Partnerships) - LATAM
San Miguel, El Salvador +2
San Miguel, El Salvador +2
Full time
Remote
BingX is a leading global crypto exchange founded in 2018, serving over 20 million users with spot, futures, copy trading, and asset management services. We’re looking for a Business Development Manager to grow and manage KOLs, agents, and project partnerships, driving user acquisition and trading volume across global markets. Requirement: experience in crypto, influencer partnerships, and market development, with strong communication skills in English and Spanish. Note: Please include key achievements/past performance data in your resume (e.g., trading volume, regions managed, languages spoken, KOLs region). Apply here or check my profile for more information.
Payment in Crypto
Chi Ng.
Global Business Development Manager (KOL Partnerships) - MENA
Cairo, Egypt +5
Cairo, Egypt +5
Full time
Remote
BingX is a leading global crypto exchange founded in 2018, serving over 20 million users with spot, futures, copy trading, and asset management services. We’re looking for a Business Development Manager to grow and manage KOLs, agents, and project partnerships, driving user acquisition and trading volume across global markets. Requirement: experience in crypto, influencer partnerships, and market development, with strong communication skills in English and Arabic. Note: Please include key achievements/past performance data in your resume (e.g., trading volume, regions managed, languages spoken, KOLs region). Apply here or check my profile for more information.
Payment in Crypto
Lynqex Labs
Senior Software Engineer (Go)
California, USA
California, USA
Full time
Remote
We are looking for a talented Senior Software Engineer with expertise in Go programming language to join our team. The successful candidate will be responsible for developing cutting-edge blockchain and crypto solutions, specifically focusing on smart contract development.
Key Responsibilities:
- Design, develop, and maintain blockchain applications using Go language.
- Implement smart contracts and integrate with existing blockchain frameworks.
- Collaborate with cross-functional teams to ensure efficient development and integration of software solutions.
Required Skills:
- Proficiency in Golang programming language.
- Strong understanding of blockchain technology and its applications.
- Experience in smart contract development.
- Knowledge of cryptography and security principles in the context of blockchain.
- Familiarity with blockchain frameworks such as Ethereum, Hyperledger, or other decentralized networks.
If you are passionate about blockchain and crypto technology, and have the skills to contribute to innovative software solutions, we would love to hear from you. Join us in shaping the future of decentralized applications with your expertise as a Senior Software Engineer.
Key Responsibilities:
- Design, develop, and maintain blockchain applications using Go language.
- Implement smart contracts and integrate with existing blockchain frameworks.
- Collaborate with cross-functional teams to ensure efficient development and integration of software solutions.
Required Skills:
- Proficiency in Golang programming language.
- Strong understanding of blockchain technology and its applications.
- Experience in smart contract development.
- Knowledge of cryptography and security principles in the context of blockchain.
- Familiarity with blockchain frameworks such as Ethereum, Hyperledger, or other decentralized networks.
If you are passionate about blockchain and crypto technology, and have the skills to contribute to innovative software solutions, we would love to hear from you. Join us in shaping the future of decentralized applications with your expertise as a Senior Software Engineer.
Vitalik Buterin
Community Moderator
Full time
Remote
About Us
We are a boutique, Asia-based Web3 marketing agency working with early-stage and growth-stage crypto projects across DeFi, infrastructure, consumer apps, and gaming.
Our team has executed campaigns with leading L1/L2 ecosystems, DeFi protocols, and community-driven projects.
We focus on narrative design, community activation, cross-market growth, and delivering impactful results for clients in Asia and globally.
We are now expanding our BD and Community Ops teams.
The Role: Community Moderator (36k–90k)
We’re hiring a community moderator to support client communities across Telegram, Discord, and X.
This is a front-line, user-facing role requiring empathy, high engagement, and strong judgment.
Responsibilities
Moderate multiple client communities to ensure safety, clarity, and engagement.
Respond to user questions, coordinate AMA/announcement schedules, post updates.
Keep communities active during key moments: launches, airdrops, campaigns, content releases.
Identify community issues or risks early and escalate appropriately.
Summarize community sentiment and user feedback for internal strategy teams.
Maintain tone, credibility, and professionalism when interacting with users.
Requirements
Prior experience moderating Web3 communities or Web2 social groups.
Familiarity with crypto user behavior, culture, and community patterns.
Excellent written communication and quick response ability.
High reliability; able to cover activity across Asian time zones.
Familiarity with the Southeast Asia KOL landscape, with strong existing relationships preferred.
Bonus
Ability to create short-form content or memes.
Multilingual (EN + CN preferred).
Experience with community analytics tools.
We are a boutique, Asia-based Web3 marketing agency working with early-stage and growth-stage crypto projects across DeFi, infrastructure, consumer apps, and gaming.
Our team has executed campaigns with leading L1/L2 ecosystems, DeFi protocols, and community-driven projects.
We focus on narrative design, community activation, cross-market growth, and delivering impactful results for clients in Asia and globally.
We are now expanding our BD and Community Ops teams.
The Role: Community Moderator (36k–90k)
We’re hiring a community moderator to support client communities across Telegram, Discord, and X.
This is a front-line, user-facing role requiring empathy, high engagement, and strong judgment.
Responsibilities
Moderate multiple client communities to ensure safety, clarity, and engagement.
Respond to user questions, coordinate AMA/announcement schedules, post updates.
Keep communities active during key moments: launches, airdrops, campaigns, content releases.
Identify community issues or risks early and escalate appropriately.
Summarize community sentiment and user feedback for internal strategy teams.
Maintain tone, credibility, and professionalism when interacting with users.
Requirements
Prior experience moderating Web3 communities or Web2 social groups.
Familiarity with crypto user behavior, culture, and community patterns.
Excellent written communication and quick response ability.
High reliability; able to cover activity across Asian time zones.
Familiarity with the Southeast Asia KOL landscape, with strong existing relationships preferred.
Bonus
Ability to create short-form content or memes.
Multilingual (EN + CN preferred).
Experience with community analytics tools.
Payment in Crypto
Vitalik Buterin
Business Development Manager
Full time
Remote
About Us
We are a boutique, Asia-based Web3 marketing agency working with early-stage and growth-stage crypto projects across DeFi, infrastructure, consumer apps, and gaming.
Our team has executed campaigns with leading L1/L2 ecosystems, DeFi protocols, and community-driven projects.
We focus on narrative design, community activation, cross-market growth, and delivering impactful results for clients in Asia and globally.
We are now expanding our BD and Community Ops teams.
The Role : Business Development Manager (75k-150k)
We’re looking for an energetic, relationship-driven BD Manager to help us expand our client base across Asia, Europe, and emerging markets.
You will represent the agency, identify growth opportunities, and build long-term relationships with founders, marketing teams, and communities.
Responsibilities
Identify and reach out to potential clients across DeFi, L1/L2, GameFi, infrastructure, and consumer crypto.
Manage inbound leads and maintain ongoing partner relationships.
Develop proposals for marketing, community growth, content strategy, and campaign execution.
Attend virtual and in-person events; represent the agency in AMAs, panels, or client calls.
Create collaboration opportunities with ecosystems, media outlets, KOL networks, and community groups.
Work closely with internal teams (content, community, strategy) to align solutions with client needs.
Requirements
1–3 years of BD, partnerships, or client-facing experience (Web3 preferred).
Strong communication and negotiation skills.
Understanding of crypto communities, social platforms, and narrative-driven marketing.
Comfortable working in a fast-paced, global, remote environment.
English required; Asian language fluency is a strong plus.
Familiarity with Southeast Asia Web3 projects, with strong relationships with project teams preferred.
Bonus
Experience in a Web3 agency, marketing firm, or KOL network.
Existing network of founders, CMOs, or BD leads within crypto.
Familiarity with China/SEA/India/Korea/Japan market dynamics.
We are a boutique, Asia-based Web3 marketing agency working with early-stage and growth-stage crypto projects across DeFi, infrastructure, consumer apps, and gaming.
Our team has executed campaigns with leading L1/L2 ecosystems, DeFi protocols, and community-driven projects.
We focus on narrative design, community activation, cross-market growth, and delivering impactful results for clients in Asia and globally.
We are now expanding our BD and Community Ops teams.
The Role : Business Development Manager (75k-150k)
We’re looking for an energetic, relationship-driven BD Manager to help us expand our client base across Asia, Europe, and emerging markets.
You will represent the agency, identify growth opportunities, and build long-term relationships with founders, marketing teams, and communities.
Responsibilities
Identify and reach out to potential clients across DeFi, L1/L2, GameFi, infrastructure, and consumer crypto.
Manage inbound leads and maintain ongoing partner relationships.
Develop proposals for marketing, community growth, content strategy, and campaign execution.
Attend virtual and in-person events; represent the agency in AMAs, panels, or client calls.
Create collaboration opportunities with ecosystems, media outlets, KOL networks, and community groups.
Work closely with internal teams (content, community, strategy) to align solutions with client needs.
Requirements
1–3 years of BD, partnerships, or client-facing experience (Web3 preferred).
Strong communication and negotiation skills.
Understanding of crypto communities, social platforms, and narrative-driven marketing.
Comfortable working in a fast-paced, global, remote environment.
English required; Asian language fluency is a strong plus.
Familiarity with Southeast Asia Web3 projects, with strong relationships with project teams preferred.
Bonus
Experience in a Web3 agency, marketing firm, or KOL network.
Existing network of founders, CMOs, or BD leads within crypto.
Familiarity with China/SEA/India/Korea/Japan market dynamics.
Payment in Crypto