Founding Engineer

Location: New York City, NY (100% On-site)

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

We are an early-stage, YC-backed company building the future clean data layer for the internet, starting with financial firms. Our platform solves complex data cleaning, extraction, and validation problems by combining advanced AI (LLMs) with expert human review via a simple API. We're looking for a highly capable and driven Founding Engineer to join us and help build the core of our platform from the ground up. This role offers an opportunity for the right candidate to grow into a CTO-level position.

As a Founding Engineer, you will take ownership of critical systems that drive our product, working across the entire stack. You will directly influence our product strategy and technical direction, experiencing the full arc of building a successful startup.

What you'll do:

Founding Engineer (API Infrastructure, Insurance FinTech)

Location: San Francisco, CA

Employment Type: Full-time

Work Arrangement: On-site

About the Role

Our client is a venture-backed startup with enormous momentum, building the infrastructure layer for Property & Casualty (P&C) insurance. They are often described as "Plaid for Insurance," aiming to modernize the highly fragmented, analog, and manual workflows of the $2T global P&C industry through a simple, modern API. The company has already grown revenue 3x year-to-date in 2025.

They are seeking two highly autonomous engineers (employee #5 and #6) to play a foundational role. This position involves owning the design and implementation of a robust, API-driven product and helping define the future architecture and company culture.

Responsibilities

Software Engineer (Full-Stack, Legal Tech AI)

Location: New York, NY (Flatiron)

Employment Type: Full-time

Work Arrangement: Hybrid (4 days/week in-person)

About the Role

Our client is a rapidly growing legal tech company (10x growth since launch in April 2024) backed by top-tier firms like Sequoia and Redpoint. Their mission is to make justice radically more accessible by building the infrastructure to automate administrative legal work, starting with personal injury. They combine expert operations with purpose-built AI to handle everything from client intake to demand management.

They are looking for a product-minded Software Engineer who wants to solve high-impact problems with urgency and ownership. You will be instrumental in turning the chaos of paper-based legal bottlenecks into clarity using well-designed systems and thoughtful software.

What You’ll Do

Founding Engineer

Location: San Francisco, CA (Union Square area)

Employment Type: Full-time

Work Arrangement: On-site

About the Role

Our client, is an applied AI research lab building high-fidelity agent environments and tooling with the bold thesis of becoming the single global workforce supplier of AI employees for the entire global economy. They are currently focused on conquering the frontiers of planning, memory, and "always-on-behavior" for their agents.

As a Founding Engineer, you will have a high-agency role, working directly with the CEO and founding team. Your contributions will go beyond just code, actively shaping the product, culture, and architecture. You must be prepared to ship fast, experiment, and iterate without heavy process.

What You'll Do

Location: London (Paddington) Employment Type: Full-time On-site: 5 days/week in-person (Non-negotiable)

About the Role

Our client is building the universal financial intelligence layer for healthcare to solve the sector's chronic lack of financial clarity and efficiency. Their platform unifies fragmented clinical, financial, and transactional data using AI to instantly surface critical KPIs and insights. They are starting in dentistry with the aim of becoming the essential financial infrastructure for healthcare globally.

They are seeking a highly driven Software Engineer to work closely with the CTO, helping to design, build, and accelerate product capabilities. This role offers significant ownership, focusing on backend-heavy infrastructure and taking chunky problems from idea to a deployed, production-grade solution.

What You'll Be Working On

Location: New York, NY (Flatiron District)

Employment Type: Full-time

On-site: 5 days/week in-person (Non-negotiable)

About the Role

Our client is a high-growth, venture-backed defense tech company working at the cutting edge of signal processing, machine learning, and embedded systems. As a Machine Learning Infra Engineer, you will design and build core infrastructure from scratch to handle petabytes of radio spectrum data. This is a high-ownership role for an experienced engineer who has strong opinions on tooling best practices and can make informed, future-proof decisions about architecture.

This team operates with a high bar for talent, a culture of high growth and high ownership, and requires an in-person presence to foster collaboration.

What You'll Do

Our organization is searching for a Marine Welder / Fabricator. Our ideal candidate is responsible for layout, fabrication, fitting, and welding of components for vessels at all stages of refit and repair. Work will be performed in the metal shop, onboard dry-docked vessels, dockside vessels in service, and occasionally on facility projects. This role requires proficiency in TIG, MIG, and MMA welding across multiple positions (flat, horizontal, vertical, overhead) and the ability to fabricate with precision, style, and in compliance with classification standards. The position reports directly to the Metal & Pipefitting Shop Supervisor,

Key Responsibilities

Our organization is searching for a Marine Welder / Fabricator. Our ideal candidate is responsible for layout, fabrication, fitting, and welding of components for vessels at all stages of refit and repair. Work will be performed in the metal shop, onboard dry-docked vessels, dockside vessels in service, and occasionally on facility projects. This role requires proficiency in TIG, MIG, and MMA welding across multiple positions (flat, horizontal, vertical, overhead) and the ability to fabricate with precision, style, and in compliance with classification standards. The position reports directly to the Metal & Pipefitting Shop Supervisor,

Key Responsibilities

Location: New York, NY (On-site) or Remote (Pacific Time hours)

Employment Type: Full-time

About the Role

Our client is a fast-growing tech startup building the future of APIs, with over $35 million in funding from top-tier investors. They work directly with industry leaders like OpenAI, Anthropic, and Cloudflare. As a Forward Deployed Software Engineer, you'll be an Applied AI Engineer who builds and deepens the technical relationship with these critical users. This role is a dynamic mix of engineering, product, and deployment, focused on solving high-impact problems alongside the people shaping the future of AI.

To thrive here, you’ll need strong judgment, broad technical fluency, and a passion for developer experience.

What You'll Do

Our client is a well-funded, early-stage startup solving one of the most critical challenges in the AI industry: ensuring AI applications are safe, reliable, and ready for production. They are building a platform that provides best-in-class tools for evaluation, testing, and continuous improvement of AI models.

Founded in 2024, the company is already working with leading AI labs like OpenAI and Anthropic, as well as other major enterprises. Their team is composed of top talent from companies like Datadog, Citadel, and McKinsey, and they are backed by founders and executives from tech powerhouses such as Google, Stripe, and Databricks.

Our client is seeking a talented Full-Stack Software Engineer to build their AI reliability platform. In this role, you will have a direct impact on how AI is tested, verified, and deployed across the industry. You'll own the end-to-end development of new features, from designing user-facing workflows to creating reusable frontend components and visualizations for complex concepts.

You will also have the unique opportunity to:

• Collaborate directly with the research team on safe AI tooling.
• Interface with customers to design intuitive workflows and guide them in evaluation methodologies.

Requirements