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FullStack Engineer

posted by: spj_bot

We are looking for a FullStack Engineer with a strong backend focus to help build and scale Enterprise products.

You will work closely with Product and Engineering teams to develop partner-facing experiences, widgets, and internal applications.


Responsibilities

  • Build and maintain frontend applications, widgets, partner portals, and landing pages.
  • Design and implement backend services and APIs.
  • Prototype new partner integrations and B2B solutions.
  • Work closely with Product Managers and Designers from requirements to production.
  • Own features end-to-end, including deployment and support.
  • Participate in code reviews and architecture discussions.
  • Actively leverage AI tools to accelerate development and increase productivity.

Requirements

Backend

  • Commercial experience with Node.js and TypeScript.
  • Experience building and maintaining REST APIs.
  • Good understanding of PostgreSQL and Redis.
  • Understanding of asynchronous patterns and message queues.
  • Familiarity with JWT and OAuth2.

Frontend

Job Skills

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Office Manager & EA

posted by: spj_bot

Location: New York, United States (Office) - Must be able to work fully onsite in NYC

On-Site | Full-time

Compensation: Competitive Compensation

Our client, a premier and highly influential accelerator supporting top-tier founders within the crypto and blockchain sectors, is seeking a high-performance Office Manager & Executive Assistant to join their team in New York City. Since 2020, the organization has backed over 300 startups collectively valued at over $15B, establishing itself as a dominant force in early-stage web3 and decentralized technology.

This dual-impact role requires an exceptionally organized, high-agency professional to manage day-to-day office operations for the NYC headquarters while providing direct, comprehensive executive support to leadership. Operating within a high-velocity environment alongside a team of elite industry veterans, the successful candidate will serve as the organizational backbone of the office, ensuring operational friction is eliminated.

Location: New York, NY (100% Onsite; remote work is not available for this role).

Key Responsibilities

Office Operations

Job Skills

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Head of Product

posted by: spj_bot

Location: Remote - Based in EST to CET

Remote | Full-time

Compensation: $180K - $225K

Our client is building the foundational product layer for the next major wave of onchain participants: autonomous, always-on, and incentive-aware AI agents. Having spent years at the frontier of consumer crypto—converting human attention into millions of onchain actions—our client possesses a powerful engine of distribution, incentive coordination, and proof of action. As agents evolve into economic actors capable of reasoning, holding value, and responding to incentives, this established infrastructure serves as an unfair advantage to capture the emerging agentic economy.

Our client is seeking a visionary Head of Product to own the product vision and strategy. This individual will transition a fast-moving thesis into high-scale products utilized by both humans and agents. Operating as a peer to the executive leadership team, the successful candidate will build and scale the product function from scratch. This role is designed for a strategic leader who maintains a builder's mindset and is eager to execute at the ground level.

Key Responsibilities

Job Skills

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Product Security Engineer

posted by: spj_bot

Location: Remote - Remote APAC & EU

Remote | Full-time

Compensation: $75K - $85K

Our client is a fast-growing, enterprise-grade software organization committed to supporting, developing, and servicing a leading open-source, proof-of-stake distributed ledger platform. As an EVM-compatible network built to meet the rigorous demands of global developers and institutions, the platform prioritizes speed, security, stability, and sustainability, and is governed by industry-leading organizations across multiple sectors and regions.

As the platform scales with new protocol upgrades, EVM-compatible services, cross-chain infrastructure, and cryptographic primitives, managing the expanding attack surface is paramount. The Product Security Engineer will be responsible for embedding security directly into the product development lifecycle, ensuring that security remains a first-class property of every protocol upgrade, smart contract, and node shipped to production. This role focuses on hands-on vulnerability discovery, adversarial testing, and proactive threat mitigation before code reaches production.

Key Responsibilities

Job Skills

map supporting developing analysis dynamic analysis nodes large scale systems professional auditing automation polynomial embedding security policy managing product lifecycle research secure coding mitigation code review threat modeling triage solving complex distributed systems design protocol static analysis building custom sustainability security test prioritizes translate tooling experience design enforce manager security testing rust open source security assessments integrating attack pattern managed securely constructions workflows blockchain coding innovation automated audit compatible governed ethereum developing custom read security architecture node bridges attack surface layer vulnerabilities exploitation collaborative infrastructure grammar scale json rpc applicable data security engineer vulnerability discovery codebase e java operating remote remote track
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Senior Solana Engineer

posted by: spj_bot

Location: Remote - US is the preference.

Remote | Full-time

Compensation: $200K - $220K

Our client is an innovative Web3 organization building advanced modular stablecoin infrastructure. This infrastructure empowers businesses to launch highly customizable stablecoins by separating application, distribution, and issuance layers into configurable stacks. Designed to support flexible regulated issuers, custom logic templates, and shared network liquidity, the platform ensures businesses retain complete control over their stablecoin behavior and assets.

They are seeking a highly skilled Senior Solana Engineer to play a fundamental role in shaping the technical landscape of the organization. Operating in a remote capacity within the USA, the successful candidate will architect and develop Solana programs in Rust, maintaining and extending the core issuance infrastructure with a specific focus on Token-2022 extensions.

The ideal candidate is a self-driven engineer with strong ownership instincts, a bias for action, and a deep-rooted passion for tackling complex technical problems. This individual thrives under deadlines, communicates clearly across cross-functional teams, and excels in a fast-paced environment.

Key Responsibilities

Job Skills

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Backend Engineer

posted by: spj_bot

Location: Singapore, Singapore (Hybrid)

Hybrid | Full-time

Compensation: $115K - $140K

We are hiring on behalf of an elite proprietary trading infrastructure firm is seeking an exceptional Backend Engineer to design and build the core components of its next-generation institutional trading framework. Operating as a specialized prime brokerage ecosystem for high-throughput decentralized protocols, our client develops cutting-edge environments powering institutional-grade algorithmic execution at scale.

This critical technical role focuses on architecting secure, low-latency infrastructure capable of processing high-volume financial transactions. The successful candidate will collaborate with an elite technical team to advance the capabilities of decentralized execution environments, utilizing privacy-preserving technologies and sophisticated distributed system designs.

Key Responsibilities

Job Skills

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Staff Frontend Engineer

posted by: spj_bot

Location: New York, United States (Office)

On-Site | Full-time

Compensation: $250K - $300K

We are hiring on behalf of our client who is seeking a highly skilled and autonomous Staff Frontend Engineer to lead the technical evolution of its primary application surfaces. Our client provides an institutional-grade yet highly accessible trading application that abstracts away the complexities of on-chain operations—such as external wallets and bridging—enabling seamless, instantaneous asset access alongside advanced social trading features. Within its first year of operation, the platform has successfully onboarded over 500,000 users and executed more than $3.5 billion in total trading volume.

The successful candidate will join an elite, lean engineering organization comprised of crypto-native talent drawn from top-tier decentralized finance (DeFi) and digital asset protocols. This individual will take comprehensive ownership of both the mobile application architecture (developed with Expo) and the web application infrastructure (built utilizing React Router and Vite). As our client scales its core product offering to support novel order types, decentralized perpetuals, prediction markets, and sophisticated social layers, this role provides significant cross-stack flexibility and foundational architectural ownership.

Job Skills

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DevOps / Infrastructure Engineer

posted by: spj_bot

Location: Remote - EST timezone

Remote | Full-time

Compensation: $100K - $130K

We are hiring on behalf of our client who is seeking an exceptional, production-proven Infrastructure & DevOps Engineer to take absolute ownership of the deployment, secure networking, architectural lifecycle, and overall reliability of this distributed agent fleet from day one. The client is engineering a sophisticated infrastructure designed to launch a highly distributed fleet of managed, single-tenant personal artificial intelligence (AI) trading agents. Operating non-stop, these isolated processes execute high-frequency, complex financial workflows natively on blockchain infrastructure, dedicated exclusively to individual user portfolios.

Key Responsibilities

Job Skills

professional private cloud incident response resilience harden tape reliability integrations ACLS containerized security policy managing environments managing proven professional system health access control VPC artificial intelligence access management high availability streamlined mechanics management aws lambda IAM network engineering operational telemetry tooling access control list nice application layer user agent managed scheduled high frequency managed securely best practices workflows docker blockchain automated networking architectural secure network amazon web service infrastructure as code web service language model devops node operating environment incident management platform as a service infrastructure virtual private cloud tracking containerization timeline scale user provision render remote operating applicable data trading systems operating secure networking construct manage execute
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Founding Data Lead

posted by: spj_bot

We are hiring on behalf of our client, an elite, venture-backed digital asset infrastructure firm who is seeking a strategic and highly autonomous Founding Data Lead. Backed by top-tier Web3 investors including Paradigm and Dragonfly, the client is building foundational, institutional-grade stablecoin infrastructure and full-service platforms to transform how global value moves.

As the Founding Data Lead, the successful candidate will build the organization’s data and analytics function from the ground up. This role offers high visibility and immense autonomy, with ownership over how data is defined, structured, and utilized across every facet of the business. By mapping data across the entire stack—encompassing onchain, product, financial, and operational data—this individual will translate raw behavioral and transactional metrics into actionable insights that directly shape product development, investment strategies, and growth trajectories.

Key Responsibilities

Job Skills

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Sales Director, Financial Services (San Francisco)

posted by: spj_bot

Location: Remote - Remote - Remote within San Francisco Bay Area

Remote | Full-time

Compensation: $175K - $200K

Our client is a fast-growing, enterprise-grade software organization committed to supporting, developing, and servicing a leading open-source, proof-of-stake distributed ledger platform. As an EVM-compatible network, this platform is purpose-built to meet the strict performance demands of enterprise and Web3 applications, delivering exceptional speed, security, stability, and sustainability. The public network is governed by a decentralized council of industry-leading organizations spanning 11 sectors and 14 regions worldwide.

To accelerate commercial adoption in the United States, our client is seeking an experienced and highly disciplined Sales Director, Financial Services. Based in San Francisco to maintain close proximity to customers, partners, and strategic market opportunities, this executive-level sales professional will drive U.S. market adoption of our client’s private, enterprise-grade distributed ledger platform and advanced asset tokenization/markets software.

Key Responsibilities

Job Skills

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