Senior Backend Engineer

Overview

Job Description

Responsibilities

• - Design and build core backend systems (Python preferred)
• - Build APIs, services and infrastructure that handle real-time, business-critical and complex accounting logic
• - Launch production-ready features from scratch, including CI/CD pipelines and deployment
• - Work with product to turn complex finance workflows into performant, secure systems
• - Manage complexity in a business-logic-heavy product, including data migrations and scale challenges
• - Integrate third-party tools and external systems - proactively managing edge cases and risk
• - Own your work from architecture to testing, monitoring, and post-release care

Required Skills

• - 5+ years of experience in backend engineering (language agnostic)
• - Deep experience with complex business logic products
• - Experience deploying on AWS (or similar cloud infrastructure)
• - Strong database skills: PostgreSQL, SQL, ORMs, migrations, schema design
• - Experience building and testing robust APIs
• - Solid understanding of software lifecycle, CI/CD, and production-readiness
• - Ability to manage complex systems with evolving requirements
• - Python and a modern web framework (FastAPI, Flask, or Django) is a plus
• - Fluent in English (C1+) with strong written and verbal communication

Benefits

• - Significant equity ownership in one of the top AI companies in the world
• - You’re joining early and will grow with DualEntry
• - Your feedback shapes the product directly
• - High-speed culture
• - High-trust environment with high expectations
• - Ambitious mission - ERP is one of the largest B2B software markets in the world ($220bn per year)
• - 27 PTO days (incl. public holidays)
• - Visa sponsorship option for relocation to NYC within 2+ years
• - Early-stage role with high autonomy and real long-term upside
• - Enjoy a learning & development budget for courses, certifications, and language learning to keep growing your skills
• - Work where you feel most productive at co-working spaces or from your home office with support for setup, internet, and phone