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Senior Core Systems Engineer

posted by: spj_bot

Senior Core Systems Engineer - Secure Wallet Infrastructure

Location: Remote - Location: US or EU (remote-first, office optional). Must be in the US, not Canada or in the European Union. France or Paris or as close as possible, always preferred.

Compensation: $180K - $260K

Join a stellar team of leaders and experts in blockchain technology, cryptography, infrastructure, and security to build the backbone of blockchain wallet infrastructure for the next financial era. We are hiring a Senior Core Systems Engineer to design, build, and scale the low-level systems at the heart of our platform, where performance, security, and correctness are non-negotiable. This is a high-impact role focused on turning advanced cryptography into fast, resilient, and trusted production infrastructure.

As a Core Systems Engineer, you will work deep in the stack, designing and scaling reliable distributed services and integrating them with cloud, hardware, and blockchain environments. You will collaborate across product, research, and security to implement advanced cryptographic and security protocols using low-level systems languages.

Responsibilities:

Job Skills

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Researcher - Perps

posted by: spj_bot

Researcher - Automated On-Chain Economic Security

Location: Remote - Preference for NYC but will accept USA + Europe remote working EST hours

Compensation: $120K - $150K

We are the first automated, on-chain economic security system, trusted by leading protocols to manage and secure billions of dollars in assets across the DeFi ecosystem. Our platform helps crypto protocols optimize risk management and capital efficiency by analyzing protocol mechanics and scenario implications using custom EVM simulations. We are seeking a proactive and results-driven Researcher to join our team, reporting directly to the Head of Economic Research & Strategy.

You will play a critical role in conducting in-depth protocol research, modeling risk parameters, and shaping strategic research initiatives across high-impact DeFi projects. This role requires a strong blend of quantitative analysis, risk modeling expertise, and clear communication to both clients and the broader community.

Responsibilities:

Job Skills

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Engineering Manager

posted by: spj_bot

Engineering Manager - Intent-Based Cross-Chain Infrastructure

Location: Remote

Compensation: $180K - $200K

We are building programmable, intent-based infrastructure on a leading Layer 1 protocol, making blockchain interactions smoother, smarter, and more composable. Our work enables intent-driven execution across chains, requiring high-velocity technical delivery and strong team leadership. We are seeking an Engineering Manager to accelerate execution across projects, partner integrations, and cross-team initiatives.

This role is focused on making things happen: ensuring technical projects are delivered on time, partner integrations run smoothly, and internal teams are fully aligned. You will lead and mentor a multidisciplinary engineering team while owning technical guidance, reliability management, and strategic process implementation.

Key Responsibilities:

Job Skills

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Developer Relations (NYC)

posted by: spj_bot

Developer Relations Engineer - Parallelized Layer 1 Blockchain

Location: New York (Hybrid)

Compensation: $150K - $225K

Join the development foundation behind the first parallelized Layer 1 blockchain, an organization setting a new standard in performance and scalability by re-writing the most widely adopted execution environment in Web3. Our mission is to empower developers to build innovative applications that benefit from both the performance of Web2 and the decentralization of Web3. You will be the crucial bridge between the core engineering team and the global developer community.

As a Developer Relations Engineer, you will play a pivotal role in shaping the developer experience, gathering crucial feedback, and advocating for the needs of our community to foster a vibrant ecosystem around the blockchain.

Responsibilities:

Job Skills

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Developer Advocate - Sustainability, Americas

posted by: spj_bot

Developer Advocate - Climate & Sustainability

Location: Remote - US only

Compensation: Competitive

We are a fast-growing software company committed to supporting a high-performance, open-source, proof-of-stake platform. Our platform is EVM-compatible and built specifically to meet the needs of enterprise and Web3 applications, demanding speed, security, and sustainability. We are seeking a Developer Advocate to focus on Climate and Sustainability initiatives in the Americas, acting as the technical bridge to drive the adoption of decentralized solutions for ESG (Environmental, Social, Governance) goals.

You will be at the forefront of the platform's latest developments, focusing on how climate-oriented decentralized applications (dApps) can be effectively built using the platform's native services and specialized solutions (e.g., the Guardian platform). Your work will architect and drive the adoption of decentralized tools for sustainability, enabling organizations to meet their ESG objectives.

Responsibilities:

Job Skills

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DeFi Market Analyst

posted by: spj_bot

DeFi Market Analyst - Risk & Innovation

Location: Remote - Preference for NYC - Will accept Remote Europe & USA to work EST

Compensation: $120K - $150K

We are a technology company that builds cutting-edge risk management systems, oracles, and AI models to make markets safer and more accessible. Our platform is trusted by leading protocols in decentralized finance (DeFi), securing and managing billions of dollars in assets. We are seeking a talented DeFi Market Analyst to join our team, reporting directly to the Innovation Lead, to help shape the future of decentralized finance.

As a DeFi Market Analyst, you will be crucial in expanding our trading capabilities, optimizing incentive programs, and providing actionable quantitative insights. This role requires a strong blend of market research, quantitative analysis, and operational efficiency to improve execution quality across our platform.

Responsibilities:

Job Skills

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Business Operations Manager

posted by: spj_bot

Business Operations & Compliance Manager - Decentralized Finance

Location: Remote - Preference for NYC - Will accept Remote USA working EST hours

Compensation: $129K - $150K

We build technology that makes markets safer and more accessible in the decentralized finance (DeFi) space. Our risk management systems, oracles, and AI models secure billions in value and are trusted by leading protocols like Aave, GMX, dYdX, and others. We are seeking a talented Business Operations & Compliance Manager to join our team and help shape the future of decentralized finance, reporting directly to the VP of Business Operations.

You will be the key owner of our global compliance and security posture, designing and implementing policies to reduce risk and support sustainable growth in a high-growth technology environment. This role is highly cross-functional, requiring you to partner with technical, business, and legal teams to embed operational excellence across the organization.

Responsibilities:

Job Skills

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Senior Backend Engineer (Kotlin - FinCrime)

posted by: spj_bot

Senior/Lead Backend Engineer - FinTech/Crypto

location: Remote - Fully remote across Europe - they can do B2B or hire through EoR.

compensation: $115K - $130K

We are seeking a Senior/Lead Backend Engineer to join our team dedicated to revolutionizing the FinTech and crypto industries. You will be a pillar of our engineering team, working directly with the product team to solve complex banking and crypto problems. This role requires an obsession with robust architecture, efficiency, and resilience, and a commitment to delivering the most elegant solutions and the best product for our customers.

This is a fast-paced, high-impact role where your speed, ability to deliver, and capacity for elegant problem-solving will be critical. You will be responsible for building the core services that drive our new paradigm in finance.

What you’ll be working on:

Job Skills

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Lead Mobile Engineer

posted by: spj_bot

Lead Mobile Engineer - Fintech/Blockchain

Location: Remote - Location: US or EU (remote-first, office optional). Based in EST time zone preferably and as close to France, Paris is always the major preference.

Compensation: $140K - $220K

We are hiring a Lead Mobile Engineer to drive the user-facing side of our secure, next-generation financial platform. This remote-first role is focused entirely on mobile, requiring you to design, build, and refine our iOS and Android applications, craft intuitive cross-platform interfaces, and shape the mobile SDKs that developers rely on. This is a critical opportunity to turn complex financial requirements into simple, trustworthy workflows while owning projects end-to-end.

As the Lead Mobile Engineer, you will set the technical direction for our user-facing mobile experience, balancing fintech-grade UX with bank-grade security and reliability. You will be responsible for bringing complex requirements into production quickly and rigorously.

Responsibilities:

Job Skills

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Full Stack Engineer (AI)

posted by: spj_bot

Full-Stack Engineer, AI Financial Agent

Location: Remote - NYC preference - will accept Remote USA to work EST hours - Will accept LATAM region to work EST hours and also Tel Aviv.

compensation: $160K - $200K

We are a technology company that provides the first automated, on-chain economic security system for crypto protocols, helping them optimize risk management and capital efficiency while safeguarding user funds. Our platform secures billions of dollars in assets for leading protocols by analysing protocol mechanics and scenario implications using world-class custom EVM simulations. We are seeking a proactive and results-driven Full-Stack Engineer to join our AI team and develop our cutting-edge financial AI agent.

As a Full-Stack Engineer reporting directly to the Head of Product & AI, you will play a critical role in working closely with the CEO and the AI team to design and build the full-stack systems that power our financial AI agent.

Responsibilities:

Job Skills

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