Smart Contract Developer - Institutional DeFi Protocol

Location: Remote - US only (preference for onsite/hybrid in LA)

Compensation: $160K - $180K

We are an on-chain financial infrastructure company backed by leading VCs, committed to upgrading financial markets through 24/7 instant settlement. Our first product is an institutional-grade smart contract protocol that facilitates interoperability and liquidity across tokenized financial assets and stablecoins. We are seeking a Smart Contract Developer to join our core engineering team and build the foundational infrastructure that bridges traditional finance (TradFi) and decentralized finance (DeFi).

This is a high-impact, hands-on role where you will design, develop, and deploy highly secure, robust smart contracts for our core protocol. You will architect on-chain logic, optimize gas efficiency, and ensure best-in-class security practices to enable institutional-grade DeFi operations. You will work within a small, senior team, collaborating closely with security auditors, product, and business stakeholders.

Key Responsibilities:

Senior Backend Engineer - High-Volume Fintech & Payments Platform

Location: Remote - Based in LATAM / EST /Europe

Compensation: $130K - $180K

We are a technology company building the next generation of money and financial products. We are seeking a Senior Backend Engineer to design and build the core backend systems that power our fintech and payments platform. This role requires deep technical expertise in high-scale transaction systems and strong product awareness to deliver reliable, secure, and impactful solutions.

You will be responsible for the full lifecycle of our backend services, focusing on architecting, building, and operating systems that handle high-volume financial transactions securely and reliably. You will act as a technical leader, driving feature delivery and raising the engineering bar across the team while ensuring our systems align with business priorities.

Key Responsibilities:

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

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:

DeFi Application Full-Stack Engineer

Location: Remote - USA, Canada and would consider candidates based in Puerto Rico

Compensation: $150K - $200K

We lead the field in quantitative research and optimization of decentralized finance (DeFi) economics. We manage market risk, optimize growth, and ensure economic safety for protocols facilitating most spot trading, borrowing, and lending activity across all of DeFi, protecting and optimizing the largest protocols and networks in the industry, which secure and manage over $42 billion in customer assets. Join us as we drive the adoption and understanding of the financial systems of the future.

Join a newly formed product pod focused on our next-generation decentralized application (dApp), which allows users to deposit and withdraw into vaults directly. This is a critical, high-impact initiative to evolve our current dashboard into a direct revenue-generating product. You will provide technical leadership in a remote-first environment, building a robust, user-facing experience at the heart of our business.

Responsibilities:

Senior Software Engineer

Location: Williamsburg, Brooklyn, NYC (100% On-site)

Compensation: $150,000 - $225,000 (Base Salary) + Competitive Equity

We are building the future of digital advertising, transforming the $600B ecosystem by enabling brands to buy creator media like they buy Meta or Google ads. Our AI-native platform delivers performant, scalable, and authentic creator-led marketing, compressing weeks of manual sponsorship work into seconds. Backed by top-tier VCs and named to Forbes’ list of Next Billion Dollar Startups, we are seeking a Senior Software Engineer to join as a foundational member of the engineering team.

As a Senior Software Engineer, you will work directly with our founders, designing, building, and launching new product features from the first line of code to production. You will have significant autonomy and ship real functionality every week, tackling complex engineering problems that directly shape our product and business outcomes.

In this role, you will:

Lead AI Engineer

Location: Remote (US, excluding California) or Hybrid in Brentwood, TN

Compensation: $210,000 - $230,000 (Base Salary) + Discretionary Incentive

We are a stable, growing enterprise software company providing integrated risk management and compliance solutions to over 5,000 financial institutions nationwide. As the First AI Hire, you will partner directly with the CEO and CTO to define and deliver an ambitious AI roadmap, focusing on shipping agentic AI solutions that accelerate product development and deliver extraordinary outcomes for our customers.

This is a career-defining opportunity with a serious commitment to AI transformation, backed by a significant budget and Private Equity funding. You will lead cross-functional initiatives and mentor teams to continuously innovate at the boundaries of enterprise AI.

Key Responsibilities:

Staff Software Engineer, Machine Learning

Location: Burlingame, CA (On-site, 4 days a week)

Compensation: $145,000 -$250,000 (Base Salary) + Equity Options

We are a rapidly growing AI company applying Large Language Models (LLMs) to transform a critical, high-impact domain within the healthcare industry. We're looking for a highly skilled and experienced Staff Software Engineer, Machine Learning to drive the architecture and scaling of our LLM backend systems.

This role is ideal for an engineer who thrives at the intersection of backend architecture and applied AI, designing the APIs, data pipelines, and infrastructure that make LLMs reliable, secure, and cost-efficient in production. Join us and help push LLMs beyond demos into mission-critical healthcare workflows.

Job Description 🖥️

As a Staff Software Engineer, you’ll be a technical leader responsible for the end-to-end delivery of our core LLM backend projects, setting the engineering best practices, and mentoring peers in system design.

Key Responsibilities:

Senior Infrastructure Software Engineer

Location: Hybrid in Miami, Florida

Compensation: $200,000 - $250,000 (Base Salary) + Competitive Equity

We are the world's leading AI medical information platform, backed by top-tier investors and trusted by healthcare professionals at over 10,000 care centers worldwide. Our mission-critical platform powers medical AI used by healthcare providers globally. We are seeking a Senior Infrastructure Software Engineer to architect and scale our infrastructure ecosystem in a demanding, rapid-iteration environment.

As a key member of the Core Engineering team, you will have significant autonomy to make architectural decisions and drive initiatives across service reliability, data pipelines, and security for our large-scale medical AI platform.

Responsibilities:

Founding Full Stack Software Engineer (Backend/AI Focus)

Location: Los Angeles, CA (100% On-site)

Compensation: $170,000 - $225,000 (Base Salary) + Significant Equity

We are an early-stage, YC-backed company building fully autonomous AI agents powered by in-house models that can find, exploit, and patch complex vulnerabilities in web applications at massive scale. We are seeking a passionate Founding Full Stack Software Engineer to build and scale the core systems. This is a high-impact role with a focus on backend architecture and AI agent systems, directly addressing the speed and scale challenges posed by AI-generated code.

As a Founding Engineer, you will have significant responsibility for designing, developing, and maintaining our scalable, high-performance web applications and cutting-edge AI Agent systems. Your focus will be on the backend and AI components.

Key Responsibilities: