Senior Bank & Integrations Engineer

Overview

Job Description

Responsibilities

• - Own end-to-end execution for backend systems and infrastructure
• - Implement and validate end-to-end payment and data pipelines - from ISO 20022 parsing/validation (PAIN, CAMT) to real-world bank testing (penny tests), reconciliation, and production readiness
• - Own secure connectivity with banks and partners by provisioning host-to-host connections (SFTP), managing endpoint setup, and handling SSH + PGP key exchange and rotations
• - Lead integration projects across both banking and enterprise systems, defining scope, designing the integration approach, and driving delivery for domestic + international payment flows
• - Build and maintain customer-facing integrations between DualEntry and third-party platforms (AP/AR tools, billing, CRM, payroll, data warehouses), ensuring data accuracy, reliability, and clean sync behavior
• - Debug and resolve connectivity, payment, and statement issues by tracing through logs, monitoring/observability tools, file payloads, and database records
• - Increase reliability and scale by reducing manual work: automate onboarding and integration playbooks, standardize test frameworks, and build maintainable backend tooling that keeps pipelines stable
• - Drive measurable outcomes that accelerate DualEntry’s product velocity and stability

Required Skills

• - Hardcore work ethic and high agency
• - 8+ years building backend systems, ideally in high-growth, high-ownership environments where you ship fast and own outcomes end-to-end
• - Deep expertise in Python and modern backend frameworks (FastAPI/Flask/Django)
• - Strong database fundamentals: PostgreSQL, SQL, schema design, migrations, ORMs
• - Experience building production-grade APIs
• - Hands-on with cloud infrastructure (AWS preferred) and the full delivery lifecycle: CI/CD, deployments, monitoring and incidents
• - Experience in payments, fintech, or financial services is strongly preferred
• - Familiarity with payment rails and flows (SEPA, ACH, Wires, Faster Payments, CHAPS, Bacs) and payment messaging/file formats (PAIN, CAMT) is a plus.
• - Able to operate in messy, evolving requirements - you design systems that scale while staying pragmatic.
• - Clear communicator (C1+ English). You can collaborate with banks, customers, and teammates across time zones without things slipping.
• - Hardcore work ethic and high agency
• - Bonus: you’ve built bank integrations using H2H, SFTP or ISO 20022

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), this is a once in a lifetime opportunity to build the next generation ERP in an industry that has not seen new entrants in 30+ years
• - Remote-first team - the fastest team you will have ever worked with
• - Time Off: 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
• - We hire the best, expect the best, and give you the masterclass of your career - an archaic and huge industry like ERP only goes through a restructure like this once in a lifetime.