Senior Software Engineer - Special Projects
Status
San Francisco, USA
Full time
Remote
Compensation is not specified
Role
Software Engineer
Description
Circle is an innovative financial technology company positioned at the forefront of the rising internet of money. They enable the seamless global movement of value similar to digital data, swiftly and cost-effectively. This pioneering internet layer affords unprecedented opportunities for payments, commerce, and markets, leading to enhanced economic prosperity and inclusivity worldwide. Circle's infrastructure, including USDC, a blockchain-based dollar, empowers businesses, institutions, and developers to leverage these technological advancements effectively.
Responsibilities:
As a seasoned smart contract engineer at Circle, you will take on a pivotal role in the USDC Smart Contract team. Leading the technical aspects, you will be involved in building and scaling smart contracts for USDC across multiple blockchain protocols such as Ethereum, Solana, and Cosmos.
Roles and Responsibilities:
- Design, develop, and deploy secure smart contracts to ensure seamless transactions.
- Improve existing smart contracts to enhance developer efficiency, safety, and performance.
- Apply security best practices and optimize performance.
- Conduct risk assessments to identify potential vulnerabilities in smart contract development, implementing strategies to enhance security.
Requirements:
Senior Software Engineer (III)
- Minimum of 4 years of professional software development experience.
- 2+ years of proven expertise in smart contract development on blockchain platforms.
- Proficient in programming languages utilized for non-EVM smart contracts such as Rust, Go, among others.
- Demonstrated experience in prominent non-EVM blockchain ecosystems like Cosmos and Solana.
- Skillful in architecting, coding, testing, and deploying secure and efficient smart contracts.
- Strong emphasis on security best practices and implementing security measures.
- Keep abreast of the latest trends and tools in blockchain development.
- Excellent problem-solving skills with a data-driven approach.
- Capacity to independently conduct research to find innovative solutions.
Staff Software Engineer (IV)
Qualifications include all requirements of a Senior Software Engineer, plus:
- Over 7 years of professional software development experience.
- 4+ years of proven smart contract development experience on blockchain platforms.
- Profound knowledge of non-EVM programming languages and tech stacks.
- Thorough understanding of blockchain technology, principles, and various blockchain & web3 protocols.
- Ability to lead technical teams, mentor junior engineers, and collaborate effectively.
- Effective communication skills to build consensus among team members and stakeholders.
Additional Information:
- Day-one PERM sponsorship is available for eligible candidates.
- Circle is focused on creating an inclusive financial future with transparency as a core value, considering various factors for compensation packages, where starting pay is determined by experience and business needs.
- Senior Software Engineer (III) Base Pay Range: $147,500 - $195,000
- Annual Bonus Target: 12.5%
Circle is an equal opportunity employer that values diversity and does not discriminate based on various categories. Additionally, they participate in the E-Verify Program where required by law.
Skills Required
Circle
Website
www.circle.comCompany size
Not specified
Location
United States
Description
Not specified
Status
AXERAT
Back End Developer in AI projects
Singapore
Singapore
Full time
Remote
We are seeking a skilled and proactive AI Integrator to join our team and lead the integration of artificial intelligence technologies into our business operations, products, and services. This role is pivotal in bridging the gap between data science, engineering, and business units, ensuring the seamless deployment, scaling, and optimization of AI-driven solutions.
You will work closely with stakeholders across product, engineering, data science, and operations to identify opportunities for AI integration, manage implementation, and maintain AI systems post-deployment.
Key Responsibilities:
Collaborate with cross-functional teams to identify and prioritize opportunities for AI integration.
Evaluate and select appropriate AI/ML tools, APIs, and frameworks that align with business objectives.
Deploy and integrate AI models into production environments and existing systems (e.g., CRM, ERP, customer support platforms).
Develop automation workflows using AI tools (e.g., ChatGPT, Claude, Azure AI, Google Vertex AI).
Ensure data pipelines, model outputs, and integrations are reliable, secure, and scalable.
Translate business needs into technical requirements for AI systems.
Monitor, troubleshoot, and optimize deployed AI systems for accuracy, performance, and ethical alignment.
Maintain documentation and provide training or support to internal teams on AI tools and capabilities.
Stay current with AI trends, emerging technologies, and best practices.
Required Qualifications:
Certified specialist in AI or Bachelors or Masters degree in Computer Science, Engineering, Data Science, or a related field.
Familiarity with cloud platforms (AWS, GCP, Azure) and their AI services.
Strong understanding of APIs, microservices architecture, and RESTful integration.
Excellent communication skills and ability to translate complex AI concepts for non-technical stakeholders.
Preferred Qualifications:
Experience with GenAI tools like OpenAI (GPT-4), Anthropic Claude, or Google Gemini.
Knowledge of prompt engineering and small language model (SLM) orchestration.
Experience integrating AI into SaaS or enterprise software products.
Background in data security, compliance, and AI ethics.
You will work closely with stakeholders across product, engineering, data science, and operations to identify opportunities for AI integration, manage implementation, and maintain AI systems post-deployment.
Key Responsibilities:
Collaborate with cross-functional teams to identify and prioritize opportunities for AI integration.
Evaluate and select appropriate AI/ML tools, APIs, and frameworks that align with business objectives.
Deploy and integrate AI models into production environments and existing systems (e.g., CRM, ERP, customer support platforms).
Develop automation workflows using AI tools (e.g., ChatGPT, Claude, Azure AI, Google Vertex AI).
Ensure data pipelines, model outputs, and integrations are reliable, secure, and scalable.
Translate business needs into technical requirements for AI systems.
Monitor, troubleshoot, and optimize deployed AI systems for accuracy, performance, and ethical alignment.
Maintain documentation and provide training or support to internal teams on AI tools and capabilities.
Stay current with AI trends, emerging technologies, and best practices.
Required Qualifications:
Certified specialist in AI or Bachelors or Masters degree in Computer Science, Engineering, Data Science, or a related field.
Familiarity with cloud platforms (AWS, GCP, Azure) and their AI services.
Strong understanding of APIs, microservices architecture, and RESTful integration.
Excellent communication skills and ability to translate complex AI concepts for non-technical stakeholders.
Preferred Qualifications:
Experience with GenAI tools like OpenAI (GPT-4), Anthropic Claude, or Google Gemini.
Knowledge of prompt engineering and small language model (SLM) orchestration.
Experience integrating AI into SaaS or enterprise software products.
Background in data security, compliance, and AI ethics.
Payment in Crypto
Astra Byte Sync
Web3 Gaming Platform Development Team
Full time
Remote
Company Overview
A fastest growing Blockchain company is looking to create a decentralized gaming platform that empowers players and developers alike. We are currently seeking to build a talented team to bring their vision to life.
Position Overview
We are looking for skilled professionals to join our development team for a Web3 gaming platform. The ideal candidates will be passionate about blockchain technology and gaming, and possess the expertise to contribute to various aspects of our project. We are hiring for the following roles:
1. Frontend Developers
Responsibilities: Design and implement user interfaces for the gaming platform using modern frameworks (e.g., React, Vue.js). Collaborate with UX/UI designers to create engaging and intuitive user experiences.
Qualifications: Proficiency in HTML, CSS, JavaScript, and relevant frameworks. Experience with Web3 technologies is a plus.
2. Backend Developers
Responsibilities: Develop and maintain server-side logic, database management, and API integration. Ensure the platform's performance, security, and scalability.
Qualifications: Strong knowledge of Node.js, databases (e.g., MongoDB, PostgreSQL), and experience with cloud services. Familiarity with blockchain technology is advantageous.
3. Blockchain Developers
Responsibilities: Design and implement smart contracts, manage blockchain integrations, and ensure the security of decentralized applications. Collaborate with the team to optimize blockchain performance.
Qualifications: Expertise in Solidity, JavaScript, Rust, or Python. Experience with Ethereum and other blockchain platforms is essential.
4. Technical Leader
Responsibilities: Oversee the technical direction of the project, mentor team members, and ensure best practices in development. Collaborate with stakeholders to align technical goals with business objectives.
Qualifications: Proven experience in leading development teams, strong problem-solving skills, and a deep understanding of blockchain technologies.
5. Project Manager
Responsibilities: Manage project timelines, resources, and deliverables. Facilitate communication between team members and stakeholders, ensuring that the project stays on track and within budget.
Qualifications: Strong organizational and leadership skills, experience in project management methodologies (Agile, Scrum), and familiarity with the gaming and blockchain industries.
What We Offer
Competitive salaries and benefits
A dynamic and collaborative work environment
Opportunities for professional growth and development
The chance to be part of an innovative project that shapes the future of gaming
How to Apply
If you are passionate about gaming and blockchain technology and are excited to contribute to a groundbreaking project, we would love to hear from you! Please submit your resume and a cover letter detailing your relevant experience and why you would be a great fit for our team.
Join us in creating the next generation of gaming experiences!
A fastest growing Blockchain company is looking to create a decentralized gaming platform that empowers players and developers alike. We are currently seeking to build a talented team to bring their vision to life.
Position Overview
We are looking for skilled professionals to join our development team for a Web3 gaming platform. The ideal candidates will be passionate about blockchain technology and gaming, and possess the expertise to contribute to various aspects of our project. We are hiring for the following roles:
1. Frontend Developers
Responsibilities: Design and implement user interfaces for the gaming platform using modern frameworks (e.g., React, Vue.js). Collaborate with UX/UI designers to create engaging and intuitive user experiences.
Qualifications: Proficiency in HTML, CSS, JavaScript, and relevant frameworks. Experience with Web3 technologies is a plus.
2. Backend Developers
Responsibilities: Develop and maintain server-side logic, database management, and API integration. Ensure the platform's performance, security, and scalability.
Qualifications: Strong knowledge of Node.js, databases (e.g., MongoDB, PostgreSQL), and experience with cloud services. Familiarity with blockchain technology is advantageous.
3. Blockchain Developers
Responsibilities: Design and implement smart contracts, manage blockchain integrations, and ensure the security of decentralized applications. Collaborate with the team to optimize blockchain performance.
Qualifications: Expertise in Solidity, JavaScript, Rust, or Python. Experience with Ethereum and other blockchain platforms is essential.
4. Technical Leader
Responsibilities: Oversee the technical direction of the project, mentor team members, and ensure best practices in development. Collaborate with stakeholders to align technical goals with business objectives.
Qualifications: Proven experience in leading development teams, strong problem-solving skills, and a deep understanding of blockchain technologies.
5. Project Manager
Responsibilities: Manage project timelines, resources, and deliverables. Facilitate communication between team members and stakeholders, ensuring that the project stays on track and within budget.
Qualifications: Strong organizational and leadership skills, experience in project management methodologies (Agile, Scrum), and familiarity with the gaming and blockchain industries.
What We Offer
Competitive salaries and benefits
A dynamic and collaborative work environment
Opportunities for professional growth and development
The chance to be part of an innovative project that shapes the future of gaming
How to Apply
If you are passionate about gaming and blockchain technology and are excited to contribute to a groundbreaking project, we would love to hear from you! Please submit your resume and a cover letter detailing your relevant experience and why you would be a great fit for our team.
Join us in creating the next generation of gaming experiences!
ghed santos
Founding Head of Engineering
San Francisco, USA
San Francisco, USA
Full time
Remote
About The Project:The project is a venture-backed stealth mode project having raised $2 million and building a Social Intelligence Engine designed to power smarter, faster crypto trading. We're combining advanced data infrastructure and real-time intelligence to unlock new trading possibilities. About the Role:We're looking for a tech-savvy, investor-facing leader with an engineering background to represent us on the frontlines. This is not a research role it's about amplifying our voice, building relationships, and being the bridge between our technology and the world. Key Responsibilities:1）Represent us externally at hackathons, pitch events, conferences, and investor meetings.2）Be our lead evangelist clearly explaining our tech vision to both technical and non-technical audiences.3）Drive fundraising efforts with compelling presentations, clear strategy narratives, and investor Q&A.4）Partner closely with engineering/product to demo the platform, shape the roadmap, and turn market feedback into action. Requirements:1）Strong engineering background (AI, blockchain, data infrastructure, or similar).2）Proven experience in investor-facing roles, including fundraising and pitching.3）Excellent presentation and communication skills, with a track record of representing projects publicly.4）Experience participating in or leading hackathons, demos, and tech events.5）Understanding of consumer behavior data in gaming and apps is a plus.6）Familiarity with Web3, crypto, and developer communities. Compensation:Competitive salary + equity + team token + and performance-based incentives.
Payment in Crypto
Velora
DevOps Engineer
Singapore
Singapore
Full time
Remote
Mission: Fortify sovereign infrastructure for a player-owned economy where downtime = lost kingdoms.
Responsibilities:
Architect zero-downtime multichain ops (Arbitrum/BASE rollups, fraud-proof autoscaling)
Design self-healing node clusters that counter NFT minting DDoS attacks in <5ms
Embed on-chain circuit breakers to halt exploits before they drain $CORE liquidity
Turn Discord FUD storms into infra stress metrics via custom LLM pipelines
You’re a Fit If:
You’ve slashed gas costs by 30%+ in past DeFi/GameFi projects (prove it)
Your idea of “monitoring” includes MEV bot behavior and DAO vote latency
You’ve built systems where “chaos testing” means simulating chain splits during PvP wars
You see player rage-quits as a critical infrastructure metric
Compensation:
Base + % of rescued gas fees (paid in $CORE)
NFT “Backbone” Pass (permanent % of protocol revenue)
DAO voting power scaled to uptime milestones (*99.99% SLA = veto rights*)
Responsibilities:
Architect zero-downtime multichain ops (Arbitrum/BASE rollups, fraud-proof autoscaling)
Design self-healing node clusters that counter NFT minting DDoS attacks in <5ms
Embed on-chain circuit breakers to halt exploits before they drain $CORE liquidity
Turn Discord FUD storms into infra stress metrics via custom LLM pipelines
You’re a Fit If:
You’ve slashed gas costs by 30%+ in past DeFi/GameFi projects (prove it)
Your idea of “monitoring” includes MEV bot behavior and DAO vote latency
You’ve built systems where “chaos testing” means simulating chain splits during PvP wars
You see player rage-quits as a critical infrastructure metric
Compensation:
Base + % of rescued gas fees (paid in $CORE)
NFT “Backbone” Pass (permanent % of protocol revenue)
DAO voting power scaled to uptime milestones (*99.99% SLA = veto rights*)
Payment in Crypto
Iron Key Capital
Founder Fellow
Full time
Remote
Founder Fellow
📍 Remote | 3-Month Contract
🚀 About Iron Key & Iron Key Capital
Iron Key, backed by Iron Key Capital, is a venture community and investment firm focused on liquid and venture opportunities in crypto, Web3, and AI. Our mission is to invest in and support Pre-Seed and Seed-stage startups, equipping founders and investors with the tools and knowledge they need to succeed.
We operate a blockchain innovation lab and incubate startups in venture infrastructure, fintech, IP ownership, and application development. Iron Key Capital is backed by 200+ global LPs, deploying $1M+ annually into emerging opportunities.
📢 The Opportunity: Entrepreneur in Residence (EIR)
We are seeking a technical co-founder or EIR to help bring a newly incubated venture infrastructure product to market. This is a 3-month remote contract role, ideal for builders with Web3 and AI experience who want to launch a company with hands-on support.
Iron Key has developed proprietary AI tools for internal workflows and is exploring opportunities to externalize these as software-based consulting services or standalone software products. As an EIR, you’ll play a critical role in shaping, launching, and scaling these innovations.
🔹 Key Responsibilities
Lead Startup Development – Take an incubated idea from concept to market launch.
Drive Innovation – Bring your own venture idea or work on an existing Iron Key product.
Strategic Execution – Develop and implement growth strategies.
Hands-on AI & Web3 Work – Build and iterate on cutting-edge solutions in AI and blockchain.
Leverage Resources – Work alongside investors, advisors, and a global network to accelerate your startup.
🎯 What We’re Looking For
Proven entrepreneurial experience – Ideally, you’ve built a startup before (even if it failed).
Deep Web3 or AI expertise – Hands-on experience in AI, blockchain, or fintech is a must.
Strong problem-solving mindset – Ability to pivot, adapt, and execute in fast-changing environments.
Leadership & Vision – You’re a self-starter who can drive a business forward.
🔥 Why Join Iron Key?
Founder-Centric Program – Hands-on support to launch a company.
Unmatched Network – Access to top investors, mentors, and builders in crypto and AI.
Long-Term Value – Lifetime membership in the Iron Key community & alumni network.
Fundraising Support – Get exposure to global investors and funding opportunities.
📩 Apply Now
If you're ready to build and scale a new venture, apply here:
👉 https://airtable.com/appfCDlkorF5FL3VZ/paggWhwbIDwnmlzlK/form
📍 Remote | 3-Month Contract
🚀 About Iron Key & Iron Key Capital
Iron Key, backed by Iron Key Capital, is a venture community and investment firm focused on liquid and venture opportunities in crypto, Web3, and AI. Our mission is to invest in and support Pre-Seed and Seed-stage startups, equipping founders and investors with the tools and knowledge they need to succeed.
We operate a blockchain innovation lab and incubate startups in venture infrastructure, fintech, IP ownership, and application development. Iron Key Capital is backed by 200+ global LPs, deploying $1M+ annually into emerging opportunities.
📢 The Opportunity: Entrepreneur in Residence (EIR)
We are seeking a technical co-founder or EIR to help bring a newly incubated venture infrastructure product to market. This is a 3-month remote contract role, ideal for builders with Web3 and AI experience who want to launch a company with hands-on support.
Iron Key has developed proprietary AI tools for internal workflows and is exploring opportunities to externalize these as software-based consulting services or standalone software products. As an EIR, you’ll play a critical role in shaping, launching, and scaling these innovations.
🔹 Key Responsibilities
Lead Startup Development – Take an incubated idea from concept to market launch.
Drive Innovation – Bring your own venture idea or work on an existing Iron Key product.
Strategic Execution – Develop and implement growth strategies.
Hands-on AI & Web3 Work – Build and iterate on cutting-edge solutions in AI and blockchain.
Leverage Resources – Work alongside investors, advisors, and a global network to accelerate your startup.
🎯 What We’re Looking For
Proven entrepreneurial experience – Ideally, you’ve built a startup before (even if it failed).
Deep Web3 or AI expertise – Hands-on experience in AI, blockchain, or fintech is a must.
Strong problem-solving mindset – Ability to pivot, adapt, and execute in fast-changing environments.
Leadership & Vision – You’re a self-starter who can drive a business forward.
🔥 Why Join Iron Key?
Founder-Centric Program – Hands-on support to launch a company.
Unmatched Network – Access to top investors, mentors, and builders in crypto and AI.
Long-Term Value – Lifetime membership in the Iron Key community & alumni network.
Fundraising Support – Get exposure to global investors and funding opportunities.
📩 Apply Now
If you're ready to build and scale a new venture, apply here:
👉 https://airtable.com/appfCDlkorF5FL3VZ/paggWhwbIDwnmlzlK/form