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Principal Blockchain Engineer - Minter Systems

posted by: spj_bot

Principal Engineer (Remote Outside US) - Real-World Asset Minter Infrastructure

Location: Remote - Europe or on the East Coast for South America/Canada (No US)

Compensation: $200K - $225K

We are building a critical piece of infrastructure that is the first live Minter on a major protocol. Our system transforms real-world collateral, such as U.S. Treasuries, into on-chain monetary building blocks ($M). This programmable, composable foundation allows builders to create their own application-specific digital dollars. We are seeking a Principal Engineer to take full-stack ownership of the systems that power this creation and distribution.

This role begins as a high-impact Senior Individual Contributor position with broad autonomy to define architecture and set engineering practices, designed to grow into a technical leadership role. You will work directly with leadership to execute a clear, productized system vision. Your focus will be on building the institutional-grade infrastructure that enables automated minting, multi-chain liquidity, and key integrations.

Key Responsibilities:

Job Skills

professional resilience leadership customer experience mentorship reliability automation equity risk management security policy build tool managing scalable cloud platforms code review high availability mental health management node js building blocks uptime sql productized system backend cross functional collaboration operational treasury low latency tooling experience design web application nice operators m treasuries python reconciliation collaborate development budget software engineering reliable best practices managed securely workflows operations docker blockchain kubernetes professional development automated compatible API collaborative team orient infrastructure graphql containerization application specific typescript delivery focus applicable data user experience integrations execute
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Machine Learning Engineer (Recsys)

posted by: spj_bot

Machine Learning Engineer - Recommendation Systems

Location: London (Office)

Compensation: $250K - $300K

We are a high-growth software development company and a team of elite builders, known for our contributions to one of the largest crypto social networks globally. Our pioneering platform allows anyone to create a coin in under one minute for free, establishing itself as the home for memecoin creation and trading on Solana. The platform has generated over $700 million in revenue and is focused on building the future of social crypto. We are seeking a Machine Learning Engineer to build and scale our core recommendation systems.

You will be responsible for designing, building, and deploying the machine learning systems that drive user discovery and engagement across our rapidly growing platform. This is a high-impact role requiring end-to-end ownership of critical features, ensuring our models scale effectively to handle significant real-time volume and user activity.

Key Responsibilities:

Job Skills

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Forward Deployed Engineer

posted by: spj_bot

Forward Deployed Engineer - Digital Money & Payments Infrastructure

Location: New York (Hybrid)

Compensation: $120K - $160K

We are a lean and mighty team of passionate builders and veteran founders, backed by some of the top investors in fintech and crypto. Our mission is to empower the next generation of money and financial products globally. We are seeking a Forward Deployed Engineer to join us in launching cutting-edge projects at the intersection of real-world payments and digital money. This high-impact role offers the opportunity to drive massive change at a small, quickly growing company.

As a Forward Deployed Engineer, you will act as a critical bridge between our technology and our customers' needs. You will be instrumental in launching complex offerings, driving technical strategy, and directly influencing product growth and architecture. This role requires a self-driven leader comfortable with a broad scope that encompasses both technical execution and strategic customer collaboration.

What You'll Do:

Job Skills

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Backend Engineer

posted by: spj_bot

Backend Software Engineer - Digital Money & Global Payments

Location: Remote - Preference is NYC > North America Remote

Compensation: $140K - $240K

We are a lean and mighty team of passionate builders and veteran founders, backed by top investors in fintech and crypto. Our mission is to empower the next generation of money and financial products globally. We are seeking a Backend Software Engineer to join us at the cutting edge intersection of real-world payments and digital money, where you will deliver massive impact at a small, quickly growing company.

You will be a critical part of defining our technical and product roadmap, operating within an open and flat structure where you have the freedom to explore ideas and influence the company's vision. You will focus on scaling our infrastructure to handle millions of end-users globally while driving key architectural decisions for our rapidly evolving product.

What You'll Do:

Job Skills

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APAC Community Lead

posted by: spj_bot

APAC Community Lead - Layer 1 Blockchain Performance

Location: Remote - Global Remote - Preference for APAC region: Hong Kong, Singapore, Korea, Japan.

Compensation: $150K - $200K

We are the first parallelized layer 1 blockchain, setting a new standard in performance and scalability. Our technology re-writes the most widely adopted execution environment in Web3, allowing applications to benefit from both the speed of Web2 and the decentralization of Web3. We are seeking an experienced APAC Community Lead to significantly expand our presence and mindshare across the Asia Pacific region.

You will be responsible for leading the entire community strategy for the APAC region, focusing on identifying, onboarding, and managing a powerful network of regional advocates and Key Opinion Leaders (KOLs). This role involves creating scalable systems to activate and track advocate output, driving consistent growth in brand presence and engagement through localized campaigns and coordinated messaging. You will be instrumental in closing our regional gap and building a thriving APAC advocate program in collaboration with growth, community, and product teams.

Key Responsibilities:

Job Skills

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Junior Investment Analyst (6-Month FTC)

posted by: spj_bot

About Signal Ventures: Signal Ventures, the venture capital & strategic investment arm of The Signal Group, is a specialized venture capital firm focused on supporting early-stage technology startups and entrepreneurs in the shipping, logistics, mobility, and commodities sectors. With a track record of over 15 investments, 3 incubation projects, and successful exits for notable companies like OilX and nuTonomy, Signal Ventures is at the forefront of the industry.

About the role: We are currently seeking a highly motivated, analytical and Insightful analyst to join our team on a fixed-term six month contract. The successful candidate will play a pivotal role in managing deal flow and conducting due diligence for a portion of our portfolio. Reporting directly to the SVP of Tech Ventures and working closely with the Signal Ventures team, this role will contribute to the growth and success of Signal Ventures. 

This role is suited for recent graduates (0-2 years of experience) who are eager to get hands-on experience in the VC industry. We value open, rigorous debate and expect this person to bring fresh perspectives, question assumptions, and constructively challenge our thinking. 

Requirements

Job Skills

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Senior UX Designer - Product Development (3 Months Contract )- Octopus by RTG

posted by: spj_bot

About the Role
The UX Architect defines and optimizes the structure, flow, and interaction models of complex digital products. You’ll translate advanced capabilities into intuitive, scalable experiences while balancing usability, performance, and trust.

Key Responsibilities

  • Define and document information architecture, interaction flows, and navigation models.
  • Develop frameworks for decision transparency, error recovery, and consistent interaction models.
  • Create scalable system design frameworks that support cross-platform experiences (web, mobile, conversational).
  • Produce detailed wireframes, journey maps, and prototypes to illustrate end-to-end workflows.
  • Establish UX guidelines and best practices for integrating predictive insights and automation.
  • Conduct architecture-level testing (navigation validation, workflow evaluations).
  • Ensure designs meet accessibility and inclusivity standards.
  • Maintain UX documentation, design libraries, and pattern repositories for reuse across teams.

Requirements

Job Skills

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UI Designer - Product Development (3 months Contract) - Octopus by RTG

posted by: spj_bot

About the Role
The UI Designer crafts visually compelling, intuitive, and consistent interfaces for digital products. You’ll translate complex functionality into user-friendly interfaces and design systems that promote clarity, confidence, and delight.

Key Responsibilities

  • Create visually engaging and accessible designs for web and mobile applications.
  • Develop and maintain scalable design systems and component libraries.
  • Design clear, effective data visualizations for insights and recommendations.
  • Define UI patterns for transparency, user control, and error handling.
  • Collaborate with UX Designers, Product Managers, and Engineers to deliver polished, high-performing interfaces.
  • Build interactive prototypes to validate designs and gather feedback.
  • Incorporate feedback and usability data to continuously refine designs.

Requirements

  • 3+ years of experience in UI Design or Visual Product Design.
  • Strong portfolio showcasing UI design for digital products.
  • Proficiency in design tools like Figma, Adobe XD, or Sketch.
  • Understanding of responsive design, accessibility, and usability principles.
  • Strong collaboration and communication skills.

Nice to Have

Job Skills

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Experience Lead - Product Development (3 Months Contract ) -Octopus by RTG

posted by: spj_bot

About the Role
The Experience Lead oversees and guides the end-to-end user experience of advanced digital products. This role combines leadership, strategy, and hands-on design direction to ensure solutions are human-centered, ethical, and impactful. You will champion the voice of the user, align cross-functional teams, and set the direction for how users discover, interact with, and build trust in digital solutions.

Key Responsibilities

  • Define the holistic user experience vision and roadmap, ensuring experiences are intuitive, trustworthy, and scalable.
  • Lead and mentor a multidisciplinary design team (UX, UI, Research, and Content) to deliver cohesive, high-quality experiences.
  • Establish and enforce design principles and frameworks for transparency, error handling, and user control.
  • Partner with Product Managers, Engineers, Data Scientists, and Business Stakeholders to align experience goals with product and business strategies.
  • Oversee experience architecture across complex product ecosystems, including information structure, navigation, and interaction flows.
  • Guide the creation of prototypes and usability testing to validate and refine experiences based on real user feedback.
  • Define and track UX success metrics such as adoption, satisfaction, trust, and usability.

Requirements

Job Skills

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Validator BD Lead

posted by: spj_bot

Validator BD Lead - High-Performance Blockchain Infrastructure

Location: Remote - Europe or North America

Compensation: $140K - $150K

We are reengineering blockchain infrastructure from first principles to make global digital markets as precise and dependable as physical systems. Built on a leading high-performance blockchain, our platform delivers deterministic execution, guaranteed inclusion, and low-latency performance, solving foundational failures that plague current systems. We are building the reliability and control institutions demand, and we are seeking a Validator BD Lead to drive the adoption of this critical infrastructure across the validator ecosystem.

As the Validator BD Lead, you will own and drive the validator engagement strategy, serving as a critical, high-ownership role that will shape our go-to-market efforts and partnership model as we prepare for mainnet. You will lead efforts to build relationships with top-tier validators and ensure successful adoption of our infrastructure.

Key Responsibilities:

Job Skills

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