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Senior Backend Engineer

Oliver Bernard • Germany
Remote Visa Sponsorship
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AI Summary

Design and build core backend services, APIs, and infrastructure for an AI-native ERP platform. Own database architecture, schema design, migrations, and performance while integrating external platforms. Requires 5+ years of backend experience, strong AWS production skills, and fluency in English with 996-style work hours.

Key Highlights
$140k-$250k base salary + $50k-$80k equity
996-style work environment with regular weekend work
5+ years backend engineering experience required
Fluent English required
Remote with NY working hour overlap
Key Responsibilities
Design and build core backend services, APIs and infrastructure
Deliver production features from initial design through to deployment and monitoring
Translate complex finance and accounting workflows into reliable software systems
Own database architecture, schema design, migrations and performance
Integrate external platforms while managing edge cases and operational risk
Improve CI/CD, testing, observability and overall production readiness
Technical Skills Required
Python PostgreSQL AWS FastAPI
Benefits & Perks
$140,000 to $250,000 base salary
$50,000 to $80,000 equity
27 days annual leave including public holidays
Learning and development budget
Home office, internet and phone support

Job Description


Senior / Staff Backend Engineer | $140k to $250k + $50k to $80k Equity | Remote, EST Overlap


One of the fastest-growing AI startups in the US, building an AI-native ERP platform for modern finance teams.


Founded in 2024, the business has raised more than $100m from leading venture funds and experienced technology operators. Its platform is already used by businesses ranging from $5m ARR companies through to NYSE-listed organisations.


The team is rebuilding a large, outdated software category from the ground up, automating complex accounting workflows and replacing legacy on-premise systems.


This is an intense, high-output environment. The working culture is comparable to a 996 model, with long days and regular weekend work expected. It will not suit someone looking for conventional hours or strong work-life balance.


The Role

You will own complex backend systems from architecture through to deployment, supporting real-time and business-critical accounting workflows.


Responsibilities

  • Design and build core backend services, APIs and infrastructure
  • Deliver production features from initial design through to deployment and monitoring
  • Translate complex finance and accounting workflows into reliable software systems
  • Own database architecture, schema design, migrations and performance
  • Integrate external platforms while managing edge cases and operational risk
  • Improve CI/CD, testing, observability and overall production readiness


Requirements

  • 5+ years of backend engineering experience
  • Strong experience building complex, business-logic-heavy products
  • Deep knowledge of APIs, relational databases and distributed backend systems
  • Experience deploying and operating production systems on AWS or similar
  • Strong PostgreSQL, SQL, ORM and database migration experience
  • Comfortable working at significant pace, including evenings and weekends


Tech Stack

Python, FastAPI, Flask or Django, PostgreSQL, SQL, AWS, CI/CD and modern cloud infrastructure.


Requirements and Constraints

  • Remote, with meaningful overlap with New York working hours
  • Fluent English required
  • This is effectively a 996-style environment
  • Regular weekend work is part of the role
  • Visa sponsorship may be available for relocation to New York after two or more years


Package


  • $140,000 to $250,000 base salary
  • $50,000 to $80,000 in equity
  • 27 days of annual leave, including public holidays
  • Learning and development budget
  • Home office, internet and phone support



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