Senior Software Engineer - Cross-Chain Intent-Driven DEX

Location: Remote

Compensation: $140K - $160K

We develop Intent-based infrastructure to enable seamless cross-chain interactions in an automated world, connecting AI, services, and financial applications. Our team, with expertise in AI, cryptography, and decentralized finance, is redefining how intelligent agents interact across blockchain networks. We are looking for a Senior Software Engineer to contribute to the improvement and maintenance of innovative Decentralized Applications (DApps) on a leading ecosystem.

This position is focused on building a blazing-fast frontend and an SDK for a cross-chain Decentralized Exchange (DEX) utilizing multi-party computation, chain signatures, secure enclaves, and intent-based architecture. You will work in a fast-paced startup environment, taking an active role in bridging the gap between business requirements and technical implementation, defining both the application's look and functionality.

Key Responsibilities:

Senior Fullstack Engineer - DeFi Trading & Yield Platform

Location: Remote - NYC or SF based candidates heavily preferred

Compensation: $150K - $175K

We are building the leading trading and yield platform for DeFi, founded by former industry leaders with deep expertise in algorithmic trading. Backed by top-tier institutional investors from both traditional finance and crypto, we are creating cutting-edge, crypto-native technology. We are seeking a Senior Fullstack Engineer excited to work on a complex backend managing billions of dollars in crypto transactions while delivering exceptional user experiences.

You will have the opportunity to build across the entire stack, integrating multiple DeFi protocols and connecting with various blockchains. This role demands full ownership of features, requiring you to balance implementation speed with long-term quality and scalability. You will be a key player in shaping our success by designing and building systems capable of high-throughput execution.

Key Responsibilities:

About Signal Ventures: Signal Ventures, the venture capital & strategic investment arm of The Signal Group, is a specialized venture capital firm focused on supporting early-stage technology startups and entrepreneurs in the shipping, logistics, mobility, and commodities sectors. With a track record of over 15 investments, 3 incubation projects, and successful exits for notable companies like OilX and nuTonomy, Signal Ventures is at the forefront of the industry.

About the role: We are currently seeking a highly motivated, analytical and Insightful analyst to join our team on a fixed-term six month contract. The successful candidate will play a pivotal role in managing deal flow and conducting due diligence for a portion of our portfolio. Reporting directly to the SVP of Tech Ventures and working closely with the Signal Ventures team, this role will contribute to the growth and success of Signal Ventures. 

This role is suited for recent graduates (0-2 years of experience) who are eager to get hands-on experience in the VC industry. We value open, rigorous debate and expect this person to bring fresh perspectives, question assumptions, and constructively challenge our thinking. 

Requirements

Software Engineer (Backend/AI)

Location: San Francisco, CA (100% On-site)

Compensation: $140,000 - $300,000 (Base Salary) + Significant Equity

We are a rapidly growing AI company that helps AI teams ingest real-world enterprise data with state-of-the-art accuracy. Our platform trains vision models and integrates LLMs to read unstructured documents (like PDFs and spreadsheets), enabling customers to build products and automate processes at scale. With rapid 7x YOY revenue growth and over $100M in funding, we are seeking a highly skilled Backend/AI Engineer to work on our core document processing API.

This is a high-agency, full-development-lifecycle role where you will build and optimize the core infrastructure that makes state-of-the-art document understanding accessible at scale for hundreds of companies, from startups to large enterprises.

The core work will include:

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:

Senior Full Stack Engineer (Founding Role)

Location: Hybrid in New York City, NY

Compensation: $150,000 - $250,000 (Base Salary) + Significant Equity

We are a fast-growing, mission-driven mental health startup tackling a critical and underserved area: geriatric mental health care (the 65+ age group). Backed by top-tier VCs and healthcare founders, we've achieved extreme Product-Market Fit in a large, blue ocean market. We are seeking a Founding Full-Stack Engineer to lead our AI-powered full stack from architecture to launch, with a clear trajectory to an Engineering Leadership role.

This is a ground-floor opportunity that demands speed, autonomy, and technical excellence. You will work side-by-side with the co-founders, owning major technical decisions and shaping the engineering organization.

Your Key Responsibilities:

Applied AI Engineer

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

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

We are building the world's largest network of doctors, patients, and first-party data, applying AI to every step of bringing new therapies to market. Our first product ensures patients get life-changing therapeutics as quickly and cheaply as possible by abstracting complex insurance, affordability, and supply chain logistics. Backed by top-tier investors, we are seeking an Applied AI Engineer to take end-to-end responsibility for projects that drive user growth, operational efficiency, and revenue generation.

This is a demanding, high-autonomy role focused on the production use of LLMs and ML to solve core business problems in the highly complex healthcare and life sciences space. You will operate as an owner, driving impact across the product surface area and influencing business decisions.

If you join, you will:

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:

Product Engineer

Location: Hybrid in New York (Flatiron) or Boston, MA

Compensation: $160,000 - $225,000 (Base Salary) + Competitive Equity

We are a well-funded, AI-first medical practice backed by over $35M from top-tier VC firms. Our mission is to define the future of human + AI collaborative care models by building a platform that automates across the entire clinical stack. We are seeking a talented, driven Product Engineer to take significant ownership over our product and help scale our engineering organization as we serve hundreds of thousands of patients nationwide.

This is a high-impact, hybrid role where you will be at the intersection of full-stack development, data infrastructure, and AI tooling. You will work cross-functionally with product, clinical, and commercial teams to integrate our platform with prominent healthcare organizations.

What you’ll be working on:

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: