DualEntry

Senior/Staff Backend Engineer (London, Hybrid)

DualEntry
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2 days ago
London, United KingdomSenior / Staff+

Responsibilities

  • Design backend systems and APIs for real-time, business-critical accounting logic.
  • Build and ship features end to end, including architecture, CI/CD, testing, monitoring, and production readiness.
  • Integrate third-party tools and external systems while proactively managing edge cases and risk.
  • Work in a fast-moving environment with daily deployments and direct influence on the product.

Requirements

  • 5+ years of backend engineering experience in any programming language.
  • Deep experience building products with complex business logic.
  • Strong database skills, including PostgreSQL, SQL, ORMs, migrations, and schema design.
  • Experience deploying on AWS or a similar platform, with solid CI/CD and production-readiness fundamentals.
  • Python and experience with a modern web framework such as FastAPI, Flask, or Django are preferred.
  • High agency, pragmatic decision-making, curiosity, and a strong work ethic.

Benefits

  • £40,000–£70,000 in equity and a £130,000–£220,000 base salary.
  • Private medical insurance through Freedom Elite, mental health support through Talkspace, fertility support through Carrot, and group life insurance through Allianz.
  • Workplace pension through Penfold with a salary-sacrifice option.
  • Flexible PTO totaling 28 days including public holidays.
  • Home internet, coworking space, and office setup support.
  • Unlimited AI token usage, AI skills development, and a learning and development budget for courses, certifications, and language learning.
  • London-based hybrid work with in-person team meetups.
  • Visa sponsorship and relocation support for a move to NYC after two years of tenure.

Tech Stack

Apache CassandraAWSDjangoFastAPIFlaskPostgreSQLPythonSQL

Categories

DualEntry

About DualEntry

51-200 employees

DualEntry builds an AI-native ERP and accounting suite for finance teams at growing and multi-entity companies, with modules for general ledger, revenue recognition, multi-currency, and real-time reporting. It sells the platform as cloud software that automates data entry and close processes, helping mid-market through public companies handle high-volume transactions. Founded in 2024 and headquartered in New York City, the company is privately held.

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