Senior Software Engineer

David Joseph & Company; New York (NY); On-site; USD 170,000 - 220,000; Full time

Job summary

David Joseph & Company seeks a senior backend engineer in New York City to own a finance domain end-to-end, from the LLM pipeline to the customer surface.

You will work with controllers and CFOs to understand problems, design robust distributed systems, and ship scalable backend solutions on startup hours.

Qualifications

• 5+ years of backend or infrastructure engineering experience.
• Experience at seed-to-Series-B startup or high-growth tech company.
• Hard backend systems - distributed pipelines, ledger/transactional systems, integration platforms, or workflow engines.

Responsibilities

• Own a finance-domain end-to-end, from backend pipeline to customer-facing surface.
• Collaborate with controllers, accountants, and CFOs to understand problems and design scalable solutions.
• Build and maintain robust, secure backend systems for the AI-finance platform.

Skills

Backend engineering

Distributed systems

Startup experience

Architecture ownership

On-site in NYC

Job description

New York City, NY · On-site · Full-timeCompensation: $170,000-$220,000 + 0.1%-0.35% equity

About the Company

Our client is building the AI operating system for the CFO office - connecting directly to a company's existing finance stack to automate the full order-to-cash cycle, record-to-report process, treasury management, and financial reporting. Its Unified Finance Context layer captures transactions, policies, contracts, and accounting judgment, powering audit-ready AI agents that reason, explain their decisions, and escape uncertainty. It is well-backed by a top fintech-focused investor alongside notable operators and finance leaders.

Founded 2023 - 1-10 people (Seed) - Industry: AI Tools / FinTech

The Role

A high-ownership engineering seat where each senior engineer takes full responsibility for a finance domain - from the LLM pipeline and infrastructure through to the customer-facing surface - working directly with controllers, accountants, and CFOs to understand the problem before building the system.

Tech stack: Python (backend also in modern languages such as Go, Java, or Rust).

Requirements

• 5+ years of backend or infrastructure engineering
• Experience at a seed-to-Series-B startup, a high-growth company (e.g., Rubrik, Databricks, Ramp, Brex), or a top large-tech company (e.g., Meta, Google, Stripe, LinkedIn)
• Hard backend systems - distributed pipelines, ledger/transactional systems, integration platforms, or workflow engines
• A resume showing real architectural detail and clear personal ownership
• On-site in NYC on startup hours
• Fintech, ERP, or accounting-software background (a strong plus)

Nice to Haves

• Startup or high-growth pedigree with real ownership
• A hard-backend-systems builder
• Domain depth in finance, fintech, or enterprise integrations
• Production AI-agent experience

Why Join

• Full domain ownership: each senior engineer owns a finance domain end to end - no PM writing specs, no architecture committee
• Frontier backend problems: build AI agents finance teams and auditors can trust, turn messy enterprise integrations into a unified source of truth, and orchestrate durable, replay-safe workflows
• Strong backing: well-funded by a top fintech investor with finance leaders behind the company

Details

• Location - New York City, NY
• Work policy - On-site, startup hours (6 days/week)
• Compensation - $170,000-$220,000 + 0.1%-0.35% equity
• Visa sponsorship - Not available
• Employment type - Full-time