Backend Engineer, AI Platform & Scale

1153 Epiq Systems Singapore Pte. Ltd.; Singapore; Remote; SGD 70,000 - 120,000; Full time

Job summary

1153 Epiq Systems Singapore Pte. Ltd. is seeking a backend engineer to build and operate the services behind our AI-driven legal platform in Epiq AI Labs.

You will own end-to-end backend systems, APIs, data pipelines, and authentication, with a focus on scalability, reliability, and multi-tenant design. You will collaborate with AI engineers and security stakeholders, implement asynchronous processing, REST APIs, and observability, and contribute to design docs.

Qualifications

• 3+ years of professional experience building and operating backend services in production.
• Proficiency in Python, or strong proficiency in a comparable language and the ability to work primarily in Python.
• Experience with at least one major cloud platform (AWS, GCP or Azure).
• Working experience with relational databases, including schema design, query optimization, and migrations (PostgreSQL preferred).
• Experience with asynchronous or event-driven processing, such as message queues (RabbitMQ, Kafka, or comparable) or task workers.
• Experience designing and implementing REST APIs consumed by other services or teams.
• Experience with automated testing and continuous integration practices.
• Familiarity with containerized deployment (Docker, and exposure to Kubernetes).
• Familiarity with observability practices, including metrics, logging, and tracing.
• Demonstrated proficiency using AI tools in software development.
• Clear written and verbal communication, and the ability to make progress on ambiguous problems with appropriate guidance.

Responsibilities

• Implement, test, and operate backend services and APIs that support our agentic AI platform.
• Build and maintain message-queue-based asynchronous processing, including retry and idempotency handling, dead-letter processing, and failure recovery.
• Contribute to data pipelines that ingest, parse, store, and index large volumes of documents.
• Implement authentication and authorization functionality using OAuth2, OIDC, and SAML within established patterns, including role-based access control for multi-tenant environments.
• Design and optimize PostgreSQL schemas and queries, and carry out schema migrations against live production traffic.
• Integrate search and vector storage technologies such as Solr and Qdrant.
• Instrument services with metrics, logs, and traces; monitor service health and participate in the on-call rotation.
• Write automated tests, participate in code review, and maintain continuous integration pipelines.
• Contribute to technical design documents and participate in design review.
• Collaborate with AI engineers, other backend engineers, product management, and security stakeholders

Skills

Backend development

Python proficiency

Cloud platforms (AWS/GCP/Azure)

REST APIs design

Automated testing & CI

Observability

Clear communication

AI tools in software development

Tools

PostgreSQL

RabbitMQ

Kafka

Solr

Qdrant

Docker

Kubernetes

Terraform

OpenTelemetry

OAuth2/OIDC/SAML

Job description

1153 Epiq Systems Singapore Pte. Ltd. is seeking a backend engineer to build and operate the services behind our AI-driven legal platform in Epiq AI Labs.

You will own end-to-end backend systems, APIs, data pipelines, and authentication, with a focus on scalability, reliability, and multi-tenant design. You will collaborate with AI engineers and security stakeholders, implement asynchronous processing, REST APIs, and observability, and contribute to design docs.