Senior Software Engineer - Special Projects
Status
Chicago, USA
Full time
Remote
Compensation is not specified
Role
Software Engineer
Description
Circle is a cutting-edge financial technology company focused on revolutionizing the movement of value in the digital age, enabling global and instant transactions at a lower cost compared to traditional systems. We empower businesses, institutions, and developers to leverage the potential of our infrastructure, particularly USDC, a blockchain-based dollar, in navigating the evolving landscape of finance and technology.
Key Aspects:
Circle prioritizes transparency and reliability in all endeavors, fostering an expanding presence in leading global territories. Our organizational pillars, including Multistakeholder, Mindfulness, Driven by Excellence, and High Integrity, guide our work ethos. In a collaborative remote working environment, our employees continually adapt to new challenges, with teamwork forming the bedrock of our success. We offer a flexible, diverse workplace that nurtures innovative thinking and values every employee as a key contributor.
Duties:
Currently seeking a skilled and proficient smart contract engineer to join the USDC Smart Contract team at Circle. In the role of a Senior/Staff Software Engineer, you will lead the technical dimension of smart contract development for USDC on various blockchain platforms, such as Ethereum, Solana, and Cosmos.
Responsibilities Include:
- Designing, coding, testing, and deploying smart contracts for secure and efficient transactions.
- Improving existing smart contracts to enhance developer speed, security, and overall effectiveness.
- Implementing security best practices and optimizing performance to ensure robustness.
- Carrying out risk assessments related to smart contract development on diverse blockchain platforms to enhance security and resilience.
Desired Profile:
Senior Software Engineer (III)
- Minimum 4 years of software development experience, encompassing internships.
- Demonstrated expertise in smart contract development on blockchain platforms for at least 2 years.
- Proficiency in programming languages like Rust, Go, relevant for non-EVM smart contracts.
- Competency in a major non-EVM blockchain ecosystem, such as Cosmos or Solana.
- Proven track record in crafting, testing, and deploying secure and efficient smart contracts.
- Strong focus on security best practices in smart contract development.
- Ability to keep abreast of blockchain development trends and adopt innovative approaches.
- Strong problem-solving skills with an analytical and proactive approach to challenges.
Staff Software Engineer (IV)
All requirements of a Senior Software Engineer, with added:
- At least 7 years of software development experience, including internships.
- Over 4 years of experience in smart contract development on blockchain platforms.
- Expertise in non-EVM programming languages and tech stacks.
- Demonstrated understanding of blockchain technology and various blockchain & web3 protocols.
- Leadership skills to guide technical teams and mentor junior engineers effectively.
Additional Details:
- PERM sponsorship available for qualified candidates.
- Starting compensation based on various factors, including experience and qualifications.
- Competitive compensation packages with equity, benefits, and structured leave policies.
- Circle is an equal opportunity employer, promoting diversity and inclusion in all aspects of our work environment.
Skills Required
Circle
Website
www.circle.comCompany size
Not specified
Location
United States
Description
Not specified
Status
Lumixion.io
Frontend Web3 Engineer | React | Solidity, Ethereum, Solana
Remote, USA
Remote, USA
Full time
Remote
About the RoleWe are seeking a React Web3 Developer to build decentralized applications and integrate smart contracts across multiple blockchain platforms. Candidates may have experience with Solana, Ethereum, Solidity, or similar smart contract technologies.ResponsibilitiesDevelop and maintain Web3 applications using ReactIntegrate and interact with smart contracts on various blockchainsImplement wallet connections and on-chain interactionsCollaborate with product and blockchain teamsWrite clean, secure, and well-documented codeRequirementsStrong experience with React and modern frontend developmentExperience with any smart contract platform (Solana, Ethereum, Solidity, or similar)Familiarity with Web3 libraries (ethers.js, web3.js, wagmi, etc.)Solid understanding of blockchain fundamentals and dApp architectureAbility to work independently with strong communication skillsPreferredExperience with DeFi, NFT, or multi-chain applicationsFull-stack Web3 experienceHiring ProcessTechnical TaskShortlisted candidates will be given access to a public repository. The task is to:Review the codebase and suggest improvements and optimizationsShare recommendations and best practices based on the existing implementationInclude screenshots of the terminal and browser as references where applicableSubmissions must be shared as:A Google Docs link, orA PDF documentTechnical Interview with CTOA detailed technical interview will be conducted with our CTO. Topics will include:In-depth discussion of the candidate’s understanding of the reviewed codebaseApproach to development challenges and best practicesCultural and Work Environment Interview with CEOThe final stage involves a meeting with the CEO to evaluate:Cultural fit within the companyWork ethic and attitudeAlignment with company values and visionExpectations regarding work environment and team collaboration
Payment in Crypto
Abbey Web3
Futures Trading KOL
Part time
Remote
A new centralized Exchange is currently Recruiting Futures Trading KOL.
KOL TRADER BENEFIT PACKAGE
1. We will offer you a 45% rebate commission.
2. Trading funds into your account, to start trading.
3. We are offering a one time upfront fee. This fee is released in parts based on your weekly trading volume for a period of 4weeks. We expect a weekly trading volume of $2,500,000 weekly. If your weekly volume falls below the target, you still receive a proportional payout plus your 45% rebate commission. The upfront fee applies only in the first month. From the second month onward, you earn only on the 45% rebate commission.
4. Your community receives a signup bonus when they join and trade.
5. You get full 24 7 customer support.
6. You get priority access to crypto events based on your trading volume performance.
With these Offer:
-You make profit from your trading funds and withdraw it anytime.
- You received your weekly fee as agreed.
- You still get your rebate commission from your followers trade.
Feel free to reach out with the trading volume you have, we are ready to cooporate.
You can reach out to us on TG: @Abbey_Blockchain
KOL TRADER BENEFIT PACKAGE
1. We will offer you a 45% rebate commission.
2. Trading funds into your account, to start trading.
3. We are offering a one time upfront fee. This fee is released in parts based on your weekly trading volume for a period of 4weeks. We expect a weekly trading volume of $2,500,000 weekly. If your weekly volume falls below the target, you still receive a proportional payout plus your 45% rebate commission. The upfront fee applies only in the first month. From the second month onward, you earn only on the 45% rebate commission.
4. Your community receives a signup bonus when they join and trade.
5. You get full 24 7 customer support.
6. You get priority access to crypto events based on your trading volume performance.
With these Offer:
-You make profit from your trading funds and withdraw it anytime.
- You received your weekly fee as agreed.
- You still get your rebate commission from your followers trade.
Feel free to reach out with the trading volume you have, we are ready to cooporate.
You can reach out to us on TG: @Abbey_Blockchain
Payment in Crypto
XanaNetworo
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
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