Staff Frontend Engineer
About Notabene
Working across multiple continents and countries, Notabene is a distributed team with a remote-first approach, comprised of 40 employees focused on integrating cryptocurrency into daily commerce. As a regulatory technology (reg-tech) firm, our solutions are utilized by both cryptocurrency organizations and traditional financial institutions to minimize transaction risks and ensure secure crypto transfers. Notabene is widely recognized as a critical facilitator within the crypto ecosystem, having processed over half a trillion dollars in transactions to date.
In October 2024, we secured a $14.5M Series B funding round led by DRW, marking a significant milestone in our journey of success. With the support of key investors such as Y Combinator, Jump Capital, and more, Notabene continues to advance as the premier global platform for compliant crypto transactions. Our company is experiencing rapid growth, and we are seeking individuals who can contribute significantly to the evolution of the crypto industry.
Your Impact
In the role of a Staff Engineer within Notabene, you will play a crucial role in the development of our intricate payment systems that facilitate billions of dollars in global transactions. As a top-tier individual contributor, you will set the technical direction while working closely with diverse teams. Your ability to proactively tackle challenges, navigate uncertainties, and deliver high-quality code will directly influence the scalability and stability of our platform. This position offers significant independence and the chance to shape the future framework for compliant crypto transactions on a global scale.
Responsibilities
Lead the design and implementation of scalable front-end and full-stack solutions with an emphasis on performance and maintainability.
Collaborate with product, design, and engineering teams to define technical needs and deliver top-notch features.
Manage complex projects from inception to deployment, ensuring alignment with business objectives and technical standards.
Mentor junior engineers, offer constructive code feedback, and cultivate a continuous learning environment.
Contribute to enhancing our engineering practices, tools, and architecture to support rapid growth and innovation.
Engage in live coding and system design sessions to address difficult issues and boost system reliability.
Qualifications
- Minimum of 4 years of professional software engineering experience, with a preference for specialization in front-end development and full-stack capabilities.
- Proven ability to lead cross-functional projects, with strong communication and mentorship skills.
- Experience in dynamic, fast-paced work environments where self-motivation and initiative are critical.
- Strong grasp of TypeScript, modern web frameworks, and a willingness to learn new technologies like SvelteKit.
- History of delivering sophisticated software solutions from conception to production with a focus on quality.
- Background in FinTech, cryptocurrency, or related fields is advantageous but not mandatory, with a willingness to rapidly acquire knowledge in the sector.
Desired Experience
- Exposure to FinTech or blockchain sectors, especially pertaining to front-end technologies.
- Familiarity with financial institutions and AML compliance procedures.
- Proficiency in TypeScript and familiarity with front-end frameworks such as SvelteKit or React.
- Knowledge of privacy and security standards like SOC2, ISO27001, and GDPR.
- Comfort working in a results-driven culture that values productivity and ownership.
- Ability to mentor junior engineers and contribute to distributed systems and complex payment infrastructures.
Benefits
- Enjoy flexible remote work options.
- Receive a $1000 WFH stipend for equipment within your first year.
- Obtain a MacBook Pro suitable for your needs with assistance from your manager.
- Benefit from unlimited PTO.
- Access country-specific benefits, including statutory offerings and contributions managed by our employer-of-record.
Apply Today!
If you believe your skills align with this role, we encourage you to apply. Notabene welcomes a diverse range of candidates, even those without prior blockchain experience. We value inclusion and diversity, strictly prohibiting discrimination based on various characteristics.
DevOps Engineer
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*)
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
Job Opportunity: AI Engineer for UFO Image/video Authentication System 👽
About Us:
We are building a cutting-edge AI-powered system to analyze and authenticate UFO images using machine learning, computer vision, and blockchain verification. Our goal is to separate fact from fiction and create a decentralized, transparent UFO sighting database. We are looking for a talented AI Engineer to help develop this groundbreaking system.
Role: AI Engineer (Computer Vision & Machine Learning)
Location: Remote
Contract Type: Freelance / Full-time
Responsibilities:
🔹 Develop and train deep learning models (CNNs, GANs) to detect manipulated, AI-generated, or authentic UFO images.
🔹 Build a real-time image analysis system capable of categorizing UFO sightings.
🔹 Implement object recognition & anomaly detection to classify spacecraft, weather phenomena, and aircraft.
🔹 Integrate blockchain & decentralized storage (IPFS) for verified image records.
🔹 Develop a user submission & verification portal that allows experts to weigh in on authenticity.
Requirements:
✅ Strong experience in TensorFlow, PyTorch, or OpenCV for image recognition.
✅ Experience with YOLO or other object detection models.
✅ Knowledge of deepfake detection and GAN analysis.
✅ Experience with blockchain for data integrity (Polygon, Ethereum, or Hyperledger).
✅ Ability to process large-scale datasets from online sources & government archives.
Bonus Skills:
⭐ Background in astronomy, aerospace, or remote sensing.
⭐ Experience working with NASA, FAA, MUFON, or other UFO databases.
⭐ Previous work in forensic image analysis & metadata authentication.
Why Join Us?
🚀 Be part of a pioneering AI research project to uncover real UFO sightings.
🔍 Work with leading experts in AI, aerospace, and blockchain.
💰 Competitive pay in crypto, UTOP.
📩 Apply Now! Send your portfolio, GitHub, and resume. Let’s reveal the truth together! 👽📡
Junior Recruiter (Startup)
📌 Responsibilities:
Sourcing candidates for various roles (IT, marketing, sales, etc.).
Conducting initial screenings and interviews.
Managing candidate databases and maintaining communication throughout the hiring process.
Posting job openings on different platforms and social media.
Collaborating with department heads to identify hiring needs.
📌 Requirements:
6+ months of experience in recruitment or a strong desire to learn.
Understanding of sourcing techniques and candidate search methods.
Proficiency in job boards, and social media recruitment.
Ability to conduct interviews and assess candidates effectively.
Strong communication and organizational skills.
English at an Intermediate+ level (preferred).
📌 What We Offer:
Flexible schedule (remote).
Opportunity to grow in a dynamic startup environment.
Training and mentorship from the team.
Competitive salary.
📩 Interested? Send us your resume! 🚀
Full-time Hackintosh iOS development
Responsibilities:
- Designing, developing, and implementing iOS applications for our Hackintosh platform
- Collaborating with cross-functional teams to define, design, and ship new features
- Troubleshooting application bugs and implementing solutions
- Ensuring the performance, quality, and responsiveness of applications
- Staying up-to-date with the latest industry trends and technologies
- Providing technical support and guidance to users as needed
Requirements:
- Proven work experience as an iOS Developer or similar role
- Proficient in Objective-C, Swift, and Xcode
- Strong understanding of iOS development best practices
- Excellent problem-solving skills
- Ability to work independently and as part of a team
- Strong communication and interpersonal skills
- Knowledge in web, mobile, and software development, engineering & architecture, customer service, and accounting and consulting specialist
If you are passionate about iOS development and eager to work on innovative projects in the Hackintosh space, we'd love to hear from you. Please apply with your resume and portfolio to be considered for this exciting opportunity.