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Embedded Systems Engineer

posted by: spj_bot

Embedded Systems Engineer (Backend & Firmware)

Compensation: $180K - $300K

Location: North America preferred (Would consider South America if can work EST working hours)

We are a lean, high-velocity technical team building the infrastructure that powers the world’s most sophisticated AI models. Our core mission is to democratize access to high-quality public web data at a global scale. We support and power Grass, a massive distributed bandwidth-sharing network and crawler, while simultaneously managing pipelines that process billions of videos, transcripts, and audio files for frontier AI labs.

As an Embedded Systems Engineer, you will be a pivotal member of a small, elite team. This isn't just a firmware role; it’s a hybrid challenge where low-level systems meet high-scale backend architecture. You will lead the effort to architect scalable solutions, optimize networked device firmware, and drive technical excellence to ensure our distributed network remains the backbone of the open web data movement.

Requirements

We are looking for a builder who thrives in a "no red tape" environment and possesses a deep understanding of how software interacts with hardware and networks.

Job Skills

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Product Marketing Manager

posted by: spj_bot

Product Marketing Manager (Stablecoin & Fintech)

Location: Jersey City (Hybrid)

Hybrid | Full-time

Compensation: $150K - $165K

Our client is a high-performance financial technology firm backed by world-class investors, including Paradigm and Dragonfly. The organization is dedicated to transforming the global movement of money by building a next-generation stablecoin infrastructure and a full-service platform that makes issuing, managing, and integrating digital dollars seamless for developers, fintechs, and institutions alike.

The Product Marketing Manager serves as a critical bridge between the product and the global market. This is a strategic, hands-on role that owns the full customer lifecycle. The successful candidate will act as both a strategist and a trusted advisor, shaping how prospects discover the platform, how new customers are onboarded, and how they scale. This role requires a blend of data-driven insight and creative storytelling to turn complex technical features into compelling narratives that drive measurable growth and long-term adoption.

Key Responsibilities

Job Skills

professional global market advisory leadership refine decision make security policy cross functional managing project management sales value proposition integration customer success new products product adoption storytelling communication management data product knit strategic marketing market trend troubleshooting bridge high performance translate financial technology analytical manager customer management integrating digital long term quantitative data managing programs managing projects act managed securely analytics deep dive blockchain customer lifecycle customer engagement creative innovation cross functional teams adoption product marketing empathy infrastructure tracking account management venture capital product engineering scale applicable data customer journey writing onboarding planning market intelligence execute track
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Staff Full Stack Engineer

posted by: spj_bot

Full Stack Engineer (Web3/DeFi)

Location: Remote Type: Full-Time

Compensation: $150K - $250K

We are a venture-backed fintech lab building the next generation of on-chain investing. Our platform is dedicated to long-term, diversified portfolios and automated rebalancing, bringing the safeguards of traditional finance to the world of DeFi. We aim to abstract away the complexities of blockchain, making it possible for anyone to invest in real-world assets (RWAs), stocks, and bonds fully on-chain.

With over 75,000 users already on board and backing from industry leaders like a16z CSX, Coinbase Ventures, and Uniswap Ventures, we are scaling rapidly. We are looking for a Full Stack Engineer to join our lean, high-throughput team. In this role, you will play a critical hand in developing our flagship product, touching every layer of the crypto stack—from backend infrastructure to front-end Web3 UX.

Key Responsibilities

Job Skills

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Partner Engineer

posted by: spj_bot

Partner Engineer (Developer Relations)

Location: European timezones strongly preferred, but will consider people who can overlap 6+ hours a day

Remote | Full-time

Compensation: $120K - $140K

Our client is a pioneering technology firm developing advanced solutions to enable seamless cross-chain interactions within an automated, intent-driven world. By connecting AI, services, and financial applications, the organization designs liquidity layers where smart contracts, AI agents, and blockchain networks synchronize in real-time. With deep expertise in cryptography and decentralized finance (DeFi), the team is redefining the infrastructure of intelligent agents across global networks.

An opportunity has emerged for a proactive Partner Engineer (DevRel) to drive the adoption of these cross-chain protocols, manage strategic partnerships, and engage with the broader developer ecosystem. This role requires a blend of hands-on engineering expertise and developer advocacy. The successful candidate will serve as the primary technical point of contact for integrations, ensuring that developers and users can seamlessly leverage the platform's capabilities within their own applications. This position operates in a high-agility startup environment that values creativity, technical excellence, and the mission of building an open, transparent decentralized future.

Job Skills

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Senior Validator Engineer

posted by: spj_bot

Senior Validator Engineer (Solana)

Location: Remote - Europe only

Compensation: $180K - $300K

We are reengineering blockchain infrastructure from first principles to make global digital markets as precise and dependable as physical systems. Built on Solana, our platform delivers deterministic execution, guaranteed inclusion, and low-latency performance—solving the foundational failures that cause transactions to miss and systems to collapse under pressure.

By placing high-performance compute close to where transactions happen and coordinating execution through our advanced scheduling engine, we empower developers to build scalable applications and give institutions the reliability they demand. We believe financial infrastructure should behave like physics: fast, reliable, and predictable—every time, without exception.

As a Senior Validator Engineer, you will spearhead our engineering efforts surrounding the Solana Validator (both Agave and Firedancer), driving the innovation and implementation of next-generation high-performance distributed systems. You will join a highly proficient team of core engineers who have all contributed to foundational network components.

Job Skills

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Senior Backend Engineer - Perps

posted by: spj_bot

Backend Engineer (Hyperliquid Focus)

Location: Remote (EMEA Region Only) Type: Full-Time

Compensation: €90K - €130K

We are hiring on behalf of our client who are on a mission to simplify multi-chain DeFi for financial institutions, fintechs, and service providers. Their team is building a unified infrastructure layer that provides seamless access to on-chain liquidity across all major blockchains, enabling high-performance same-chain and cross-chain swaps. They are a passionate, remote-first team dedicated to making complex decentralized technologies accessible and building a fairer, more transparent world.

They are looking for a Backend Developer with a deep interest in the Hyperliquid ecosystem to join their engineering team. This is a pure backend role—no frontend or design work is required. You will focus on building the infrastructure that allows them to distribute programmatic trading features (such as TWAP and perps) to the broader DeFi ecosystem.

Location Note: This position is strictly open to candidates currently located in the EMEA region.

What you’ll do:

Job Skills

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Senior Backend Engineer - Intents API

posted by: spj_bot

Senior Backend Engineer (Intents & Order Infrastructure)

Location: Remote - Based in EMEA regions
compensation:
$130K - $165K

We are simplifying multi-chain DeFi for traditional financial institutions, fintechs, and service providers. Our platform offers a unified API to access all on-chain liquidity across major blockchains, ensuring the best prices for same-chain and cross-chain swaps. We are a passionate, remote-first team on a mission to enable a fairer, more decentralized world by making complex blockchain technologies accessible to everyone.

We are looking for a Senior Backend Engineer to lead the development and scaling of our core off-chain coordination service. This is a critical infrastructure role, as the Order Server acts as the central hub for the entire Intent lifecycle—from quote aggregation and validation to real-time broadcasting and cross-chain status tracking.

In this role, you will build secure, high-throughput systems using TypeScript and NestJS that allow applications to discover competitive quotes while protecting the network from fraudulent orders. This position is vital for the success of our solver-based architecture and requires a deep focus on security, performance, and reliability.

Key Responsibilities:

Job Skills

system architecture postgresql terraform real time system reliability high throughput validation reading security policy professionalism equity system design personal development time constraint integration event log GCP service provider phase message pass management node js acts data integrity backend digital signature secure systems low latency coordination nice graph redis optimize infrastructure high throughput systems accountability microservices distributed environments fault tolerant managed securely collaboration blockchain prioritize validated data infrastructure as code financial institution API real time product teams query optimization indexing service stakes advanced logic infrastructure tracking typescript applicable data e user experience integrate budget broadcasting relational database
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Staff Product Data Scientist

posted by: spj_bot

Data Scientist

Location: New York

On-site | Full-time

Compensation: Competitive

Our client is a high-performance technology development company responsible for the entire technical stack behind the world’s largest and most active digital asset launchpads. Operating at the absolute edge of crypto scale, the systems managed by this organization are defined by ultra-low latency, high throughput, and constant high-concurrency load. This is a mission-critical environment where technical precision is paramount and the impact of every deployment is immediate.

The organization is seeking an experienced, versatile Data Scientist who thrives in an intense, fast-paced setting. This role provides the autonomy to identify high-impact opportunities, design sophisticated analytical solutions, and measure their direct effect on a product used by massive global audiences. Joining this team means entering a high-density talent environment that values first-principles thinking, extreme ownership, and the ability to operate independently within a high-stakes ecosystem.

Key Responsibilities

Job Skills

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Office Manager (Part-Time)

posted by: spj_bot

Part-Time Office Manager (In-Person)

Location: New York (Office)

On-site | Full-time

Compensation: $36K - $50K

Our client develops advanced technology designed to make financial markets safer and more accessible. By utilizing sophisticated risk management systems, oracles, and AI models, the organization secures billions in value while democratizing access to world-class financial tools. The platform is trusted by several of the industry’s leading protocols to manage and protect significant assets within the decentralized finance (DeFi) ecosystem.

An opportunity has emerged for a proactive and detail-oriented Part-Time Office Manager (In-Person) to support on-site operations at our client's Brooklyn office. Reporting directly to the VP of Business Operations, the successful candidate will ensure the workspace remains professional, fully operational, and welcoming. This role is ideal for a hospitality-minded professional who excels in organization and enjoys supporting a high-calibre leadership team in a fast-paced environment.

Key Responsibilities

Job Skills

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Solutions Architect APAC

posted by: spj_bot

Job Title: Solutions Architect (APAC)

Location: Remote (Based in the Asia-Pacific region)

Compensation: Competitive Salary + Equity/Token Allocation + Benefits

The Opportunity

They are seeking a high-caliber Solutions Architect to lead technical implementations across the APAC region. As a core member of a lean, "mighty" team of builders, the successful candidate will bridge the gap between complex infrastructure and real-world utility. This role is instrumental in making stablecoins usable for card transactions, cross-border payments, and B2B remittances.

This is a high-impact, cross-functional position designed for someone who thrives in early-stage environments. You will work directly with founders and veteran builders to shape a borderless financial future, supported by top-tier investors including Sapphire Ventures, Lightspeed, and Khosla Ventures.

Job Skills

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