Senior Software Engineer - Special Projects

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

Circle, a pioneering financial technology company, is at the forefront of revolutionizing the movement of digital value across the globe efficiently and affordably. With a focus on modernizing payment systems through blockchain technology, particularly USDC, Circle enables businesses, institutions, and developers to leverage these advancements for economic growth and financial inclusion.

Overview:

At Circle, a culture of transparency and innovation underpins our remote workplace where teamwork and adaptability are key to success. Embracing core company values such as mindfulness and integrity, employees contribute to an environment that fosters collaboration and welcomes fresh ideas and diverse perspectives.

Key Responsibilities:

Seeking a skilled Smart Contract Engineer to join the USDC Smart Contract team at Circle, you will lead the development and scalability of smart contracts across multiple blockchain ecosystems. Responsibilities include designing, coding, testing, and deploying secure smart contracts while enhancing existing solutions for improved efficiency and safety. Implementing security practices and performance optimization methods is crucial, along with conducting risk assessments and devising strategies to enhance security on various blockchain platforms.

Requirements for Candidates:

  • Senior Software Engineer (III) Requirements:

  • Over 4 years of software development experience, inclusive of internships.

  • Demonstrated expertise in smart contract development on blockchain platforms for a minimum of 2 years.

  • Proficiency in programming languages like Rust, Go, or others commonly used for non-EVM smart contracts.

  • Experience with non-EVM blockchain ecosystems such as Cosmos or Solana.

  • Strong background in architecting, coding, testing, and deploying secure smart contracts.

  • Emphasis on security best practices and implementing measures to enhance security in smart contract development.

  • Up-to-date knowledge of trends and technologies in blockchain development.

  • Staff Software Engineer (IV) Requirements:

  • Over 7 years of software development experience, with a minimum of 4 years in smart contract development on blockchain platforms.

  • Proficiency in non-EVM programming languages and related tech stacks.

  • Deep understanding of various blockchain protocols and principles.

  • Ability to lead technical teams, mentor junior engineers, and collaborate effectively across departments.

  • Strong communication skills to facilitate collaboration and consensus building among team members and stakeholders.

Additional Info:

Eligible for day-one PERM sponsorship for qualified candidates. Flexible compensation ranges consider factors such as experience, qualifications, and business needs, with added benefits like equity, discretionary vacation, health benefits, and more.

Equal Opportunity Employer Statement:

Circle values diversity and promotes an inclusive workplace where all are welcome, without discrimination based on race, religion, nationality, gender, age, or disability status. Participating in the E-Verify Program when required by law reinforces our commitment to legal compliance and a fair work environment.

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

More Full-time Jobs

Show more

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
7,000-10,000
Monthly
See details

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
Payment in Crypto
1,000-3,000
Monthly
See details

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