Senior Software Engineer - Special Projects

Status
Miami, USA
Full time
Remote
Compensation is not specified
Role
Software Engineer
Description

Circle is a forward-thinking financial technology firm positioned at the forefront of the evolving internet of money landscape, facilitating seamless global and instant transmission of value at reduced costs compared to traditional financial systems. This innovative digital layer paves the way for new opportunities in payments, commerce, and markets, fostering economic growth and inclusivity on a global scale. Our advanced infrastructure, including USDC, a blockchain-based dollar, empowers businesses, institutions, and developers to leverage these advancements and capitalize on the transformative intersection of money and technology.

Highlights of Your Role:

At Circle, we prioritize transparency and reliability across all our operations. Our expansion into diverse and prominent markets around the world has driven our employees to embody our core values of Multistakeholder engagement,Mindfulness, a commitment to Excellence, and impeccable Integrity. Our remote workspace encourages collaborative efforts where teamwork plays a vital role in our collective achievements. We have cultivated an adaptable and varied work environment that fosters creative thinking and ensures all team members have a stake in our success.

Key Responsibilities:

We are seeking a highly proficient and seasoned smart contract engineer to join our USDC Smart Contract team at Circle. In the capacity of a Senior/Staff Software Engineer, you will take the lead in the technical development and scaling of smart contracts for USDC across multiple blockchain platforms (e.g., Ethereum, Solana, Cosmos).

Main Duties:

  • Design, develop, test, and implement smart contracts to facilitate secure and smooth transactions.
  • Enhance current smart contracts to boost developer efficiency, safety, and overall performance.
  • Implement best practices in security and optimize performance to bolster overall system effectiveness.
  • Conduct risk evaluations related to smart contract development on diverse blockchain platforms, recognizing vulnerabilities and implementing mitigation strategies to enhance system security and resilience.

Requirements for Success:

Senior Software Engineer (III)

  • Minimum of 4 years of professional software development experience, inclusive of internships.
  • At least 2 years of proven expertise in smart contract development on blockchain platforms.
  • Proficiency in programming languages commonly employed for non-EVM smart contracts such as Rust, Go, or similar.
  • Demonstrated experience in architecting, coding, testing, and deploying secure and efficient smart contracts.

Staff Software Engineer (IV)

All the qualifications of a Senior Software Engineer plus:

  • Minimum of 7 years of professional software development experience, encompassing internships.
  • At least 4 years of proven expertise in smart contract development on blockchain platforms.
  • Enthusiastic project management capabilities, including team leadership and mentorship.

Supplementary Details:

Salaries for the specified positions range within competitive bandings and are determined based on relevant experience, skill sets, qualifications, as well as organizational needs. Further details regarding compensation packages vary by location.

Both roles offer a comprehensive benefits package, inclusive of equity, medical, dental, vision, and 401(k) contributions. Our discretionary vacation policy coupled with paid sick leave and holidays ensure a well-rounded work-life balance.

Circle is strongly committed to fostering a diverse and inclusive work environment that values all individuals equally. We prohibit discrimination on the basis of race, religion, national origin, gender, sexual orientation, age, marital status, veteran status, or disability. In certain locations as required by law, Circle participates in the E-Verify Program.

Skills Required
Avatar
Circle
Company size
Not specified
Location
United States
Description
Not specified
Status

More Full-time Jobs

Show more

Crypto Outreach Hunter – High Commission (Remote)

Full time
Remote
XanaNetwork (@xananetwork) is hiring 5–8 outreach hunters. We just relaunched — same core team with a track record of multi-hundred-million caps and six-figure holder bases. Your job:• Send 300–600 high-quality cold DMs per day on Twitter (DexScreener, Pump.fun, new launches)• Get warm replies → we close Pay (performance-first):• $800–$1,200 USD monthly base• + $1,500–$4,000 bonus per signed client• Top hunters clear $8k–$15k+/mo on commission• Paid trial $100 flat — first 8 who hit 5+ warm replies get hired No experience needed — we’ll train hungry people. Apply → DM @mainnetmike on Twitter with:1. How many DMs you can send daily2. Why you want the role Hungry & coachable only.
Payment in Crypto
800-1,200
Monthly
See details

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

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

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.
160-220
Monthly
See details

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.
Payment in Crypto
3,000-7,500
Monthly
See details