Senior Full Stack Engineer (Frontend-Centric) - AI Marketing & Data Platform

Location: Remote - US or Canada

Compensation: $180,000 – $270,000

We are a high-growth, $1.2B-valued company that pioneered the Composable Customer Data Platform (CDP), empowering every business user to take action on their data. We are building the next generation of marketing products, including an AI Decisioning platform that allows marketers to set goals for AI agents to personalize customer interactions. We are seeking a Senior Full Stack Engineer (70-80% Frontend) to develop the intuitive, interactive interface that makes advanced AI and deep analytics accessible to non-technical users.

You will be instrumental in the end-to-end design and implementation of highly interactive user interfaces for a new era of marketing and growth products. This is a frontend-centric role that requires strong architectural ownership, proficiency in modern web stacks, and a solid understanding of backend API design to integrate complex machine learning models into intuitive user experiences.

On a typical day, you will:

Frontend Deployed Engineer - API Tools & Developer Experience

Location: On site - Williamsburg, Brooklyn

Compensation: $170,000 – $230,000

We are a rapidly scaling software company, backed by top investors, enabling businesses to offer "Stripe-level" SDKs (client libraries) and documentation for their REST APIs. Our platform tackles the core pain points of APIs—untyped, unstandardized, and out-of-sync—by leveraging technology inspired by internal tooling at major tech firms. We are looking for an ambitious Frontend Deployed Engineer to help us scale from $1M to $10M ARR.

This is a high-impact, hands-on role at the intersection of engineering and customer success, ideal for engineers with entrepreneurial goals. You will work directly with CTOs, VPs of Engineering, and developers at fast-growing tech companies to solve their highest-priority problems, influence our product roadmap, and drive adoption.

What You’ll Do:

Backend Software Engineer - Payments & Digital Money

Location: New York (Hybrid)

Compensation: $150K - $180K

We are a lean and mighty team of passionate builders, funded by top investors in fintech and crypto, focused on empowering 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 within a small, quickly growing company.

You will be a critical part of defining our technical and product roadmap, contributing directly to our core backend infrastructure. This role involves rapid feature shipping, large-scale system scaling, and integrating with diverse third-party services and smart contracts across multiple chains. You will have the freedom to explore ideas, impact the company's vision, and grow into the role that best aligns with your personal goals.

What You'll Do:

Protocol Lead - Rule Enforcement for Regulated Blockchains

Location: remote - north and South America and the EU

Compensation: $180K - $220K

We are building a platform that sets the standard for how regulated blockchain applications enforce transaction rules directly at the smart contract layer. Our system empowers teams to create modular, programmable policies (like AML/CFT checks or off-chain collateral requirements) enforced with cryptographic guarantees before a transaction executes on-chain. We are seeking a Protocol Lead to own the entire smart contract suite, driving robust, scalable risk management for real-world use cases.

As the Protocol Lead, you will have full ownership of the architecture, development, and maintenance of our core smart contract suite. You will be the team's blockchain subject matter expert, defining security best practices, managing audits, and building tooling for seamless integration. This role requires a balance of hands-on coding, security leadership, and cross-ecosystem research (EVM and non-EVM).

Key Responsibilities:

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:

Backend Software Engineer - Digital Money & Global Payments

Location: New York (Hybrid)

Compensation: $150K - $200K

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:

Software Engineer

Location: NYC (100% On-site in SoHo)

Compensation: $140,000 - $210,000 (Base Salary) + Competitive Equity

We are building the autonomous future of industrial staffing by developing fully autonomous, orchestrated multi-agent AI workflows to connect businesses with vetted workers. Backed by top-tier investors like Founders Fund and Khosla Ventures, our mission is to redefine labor management and drive the global supply chain to peak efficiency. We're seeking experienced and entrepreneurial Software Engineers to build our core suite of products across mobile and web.

You will join a dynamic team to build the foundational technology platform for both our workers and business customers. This role involves significant ownership, from product iteration to architectural design, in a fast-paced environment.

In this role, you will:

Location: San Francisco, CA (Hybrid - 4 days/week in-person)

Compensation: $125,000 - $200,000 (Base Salary) + Equity Participation

We are a rapidly growing, well-capitalized health tech company pioneering the use of Generative AI and Voice Agents to transform patient communication. Our platform has already handled hundreds of thousands of patient interactions across over a hundred clinics, and we are scaling fast. We are looking for a product-minded Senior Software Engineer to build and scale the intelligent systems that make exceptional healthcare accessible anytime, anywhere.

As a Senior Software Engineer, you will play a critical role in developing our AI-powered communication platform, working alongside world-class engineers and founders. You will have a high degree of autonomy and be involved in key product decisions from the ground up.

Key Responsibilities:

Frontend Deployed Engineer

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

Compensation: $170,000 - $230,000 (Base Salary) + Equity

We are a high-growth, venture-backed startup solving a core pain point for software companies: making APIs easy to use and well-documented. Our product is inspired by internal tooling seen at industry leaders, enabling businesses to offer "Stripe-level" SDKs (client libraries) and Docs for their REST APIs. We are seeking an ambitious Frontend Deployed Engineer to partner directly with our fast-growing tech customers, helping us scale the company from $1M to $10M ARR.

This is a high-impact role at the critical intersection of engineering and customer success, ideal for individuals with entrepreneurial goals. You'll be the primary technical face to our customers, driving both product solutions and our strategic roadmap.

In this role, you will:

AI Solution Engineer (Product-Led Onboarding)

Location: San Francisco, CA (Jackson Square)

Employment Type: Full-time

Work Arrangement: On-site

About the Role

Our client, is a rapidly growing AI company focused on empowering enterprises to deploy and scale AI-powered phone agents. They have raised $65 million from top investors, including Emergence Capital, Scale Venture Partners, and the founders of Twilio and ElevenLabs.

They are seeking an AI Solution Engineer who acts as a "product owner" for each customer's onboarding journey. This role is a blend of technical savvy, solutions engineering, and product management, where your core mission is to manage and accelerate the deployment of a fully functional, AI-driven call flow in under two weeks per customer.

What You’ll Do