Senior Backend Engineer - Python & AI APIs

ScienTec Consulting Pte. Ltd.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

ScienTec Consulting Pte. Ltd. is seeking a backend software engineer to design, develop, and maintain scalable Python-based services and RESTful APIs.

You will own features end-to-end, build integrations with internal and external systems, and contribute to AI-powered backend capabilities and data pipelines. The role requires 4+ years of production experience, strong Python skills (FastAPI/Flask), and familiarity with PostgreSQL, MongoDB, Redis, and Azure.

Qualifications

• Proficiency in Python with modern frameworks (FastAPI or Flask).
• Experience building RESTful APIs and OAuth 2.0-based auth.
• Knowledge of relational and non-relational databases (PostgreSQL, MongoDB, Redis).
• Familiarity with cloud platforms, preferably Microsoft Azure.
• Exposure to LLMs, RAG, prompt engineering, and vector stores.
• Infrastructure as code tools (Terraform) advantageous.
• Experience with CI/CD pipelines and Git-based workflows.
• Strong collaboration across product, engineering, and UX teams.

Responsibilities

• Design, develop, and maintain scalable backend services and RESTful APIs using Python.
• Own backend features across the full development lifecycle from design to production support.
• Build integrations with internal platforms, external systems, and third-party APIs.
• Develop and enhance AI-powered backend capabilities.
• Build and maintain data processing pipelines for reliable information retrieval.
• Work with relational and non-relational databases to deliver performant systems.
• Troubleshoot production issues and improve system reliability and observability.
• Participate in code reviews and promote engineering best practices.
• Continuously improve platform architecture, performance, scalability, and developer experience.

Skills

Python

FastAPI/Flask

REST APIs

OAuth 2.0

PostgreSQL

MongoDB

Redis

Azure

LLMs/RAG

Terraform

CI/CD

GitLab/GitHub

Communication

Job description

ScienTec Consulting Pte. Ltd. is seeking a backend software engineer to design, develop, and maintain scalable Python-based services and RESTful APIs.

You will own features end-to-end, build integrations with internal and external systems, and contribute to AI-powered backend capabilities and data pipelines. The role requires 4+ years of production experience, strong Python skills (FastAPI/Flask), and familiarity with PostgreSQL, MongoDB, Redis, and Azure.