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Hyperscience

Enterprise AI platform automating business processes

Senior Software Engineer - Backend

Backend EngineeringPosted on Nov 10
Full-timeSofia, Bulgaria

About the Job

Requirements

  • At least 4 years of backend engineering experience, preferably with Python.
  • A BS in Computer Science or equivalent practical experience.
  • Strong SQL and database expertise, including indexing, query plans, isolation levels, and locking across multiple database engines.
  • Proven API design skills for internal and external consumers.
  • Strong English skills for asynchronous collaboration across time zones.

Responsibilities

  • Design and maintain end-to-end document-processing features, including ingestion, layout detection, classification, field extraction, normalization, and validation, focusing on backend orchestration and fallback logic around machine-learning and large language model systems.
  • Develop task routing, review logic, and APIs for the human review interface, ensuring corrections feed directly into model-retraining datasets.
  • Build services to store, import, export, version, and sanitize training data, including personally identifiable information deletion, to support custom model retraining.
  • Evolve versioned REST APIs using OpenAPI and expand connectors for platforms such as Salesforce and MuleSoft, alongside configuration migration tooling.
  • Optimize the workflow engine and task queue for high concurrency, fewer database round-trips, and clear error handling.
  • Implement and review production customer workflows using the Flows SDK, and channel feedback to improve core platform APIs.
  • Leverage AI development tools such as Claude Code and Copilot, and maintain repository agent rules and automated code-review guidelines.
  • Perform cross-team code reviews, document system architecture, and assist peers with database query optimization and schema migrations.

Desired Qualifications

  • Experience delivering and supporting self-hosted software in on-premise or customer-managed cloud environments.
  • Deep familiarity with Django and its ORM.
  • Experience working with multiple database engines.
  • Experience integrating large language model APIs or machine-learning models in production, including managing cost, latency, and response reliability.
  • Basic React and TypeScript proficiency for full-stack feature support.

About the Company

Hyperscience

Enterprise AI platform automating business processes

HyperScience offers an enterprise AI platform that automates a range of business processes for B2B customers in sectors like insurance, government, and financial services. The system blends human judgment with machine learning and is trained by humans to handle complex tasks with high accuracy, using industry-ready workflows and customizable modules. It learns from human feedback and maintains administrator visibility, delivering faster throughput and lower costs, with real-world results such as 80% faster claims processing and 96% accuracy. The goal is to help enterprises automate and optimize workflows at scale, saving time and money while reducing manual labor.

Company size
201-500
Company stage
Series E
Total funding
$288.9M
Headquarters
New York City, New York
Founded
2014

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