Senior Full-Stack Engineer (R&D)

VIRTUOS HOLDINGS PTE. LTD.; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

VIRTUOS HOLDINGS PTE. LTD. seeks a Senior Full-Stack Engineer to lead a diverse team building production-grade tools for game asset pipelines and workflows.

You will design backend services, implement RESTful APIs with Python, and develop frontend UIs using Vue or React, plus Electron desktop apps. Expect collaboration across UI/UX, production, and SRE, with a focus on quality, performance, and agile delivery.

Qualifications

• 4+ years of professional experience building production applications as a full stack engineer.
• Strong hands-on expertise in Python (FastAPI or Flask), RESTful API design, and SQLAlchemy/Pydantic or similar tooling.
• Proficiency in Vue or React, including routing, state management, and component libraries.
• Proven experience with public cloud (AWS/GCP) and relational databases (PostgreSQL).
• Experience with NoSQL (MongoDB) and caching/messaging (Redis) is valued.
• Proven testing mindset and experience with automated test suites (pytest).
• Comfortable with Git, GitLab CI/CD, and Docker; clear cross-functional communication.

Responsibilities

• Design and build scalable backend services and secure RESTful APIs using Python.
• Model, query, and optimize data across relational and NoSQL databases; implement caching and messaging.
• Develop responsive web UIs with Vue/React and Electron-based desktop apps.
• Write tests, tune performance, review code, and maintain technical docs.
• Set up CI/CD pipelines and collaborate across UI/Backend/QA teams.

Skills

Python (FastAPI/Flask)

RESTful API design

Web frameworks (Vue/React)

Testing mindset

Collaborative teamwork

Tools

PostgreSQL

MongoDB

Redis

Docker

GitLab CI/CD

SQLAlchemy

Pydantic

Job description

Who we look for

We're seeking a senior Full-Stack Engineer to lead a diverse team to design, implement, and optimize production-grade tools and applications that support video game asset pipelines and production workflows.

Responsibilities

• Backend
  • Design and build scalable backend services and secure RESTful APIs using Python (FastAPI or Flask).
  • Model, query, and optimize data across relational and NoSQL databases; implement caching and messaging when needed.
  • Enforce authentication/authorization, input validation, and robust error handling.
• Front-end (web and desktop)
  • Develop responsive, accessible, and performant web UIs using modern frameworks, HTML5, CSS(Tailwind), and TypeScript/JavaScript.
  • Build and maintain Electron-based desktop applications, including IPC, packaging, auto-update, and native integrations.
  • Establish UI component standards, testing strategies, and performance best practices.
• Quality, performance, and delivery
  • Write comprehensive tests with tools such as pytest.
  • Own performance tuning, troubleshooting, code reviews, and technical documentation.
  • Set up and maintain CI/CD with Git and GitLab; use Docker for local development and deployment pipelines.
• Collaboration and process
  • Partner with UI/UX, backend, production, SRE, and IT stakeholders to deliver user-centric solutions.
  • Contribute to architectural decisions and mentor junior engineers.
  • Work within agile methodologies, continuously improving team practices.

Qualifications

• 4+ years of professional experience building production applications as a full stack engineer.
• Strong hands-on expertise in Python (FastAPI or Flask), RESTful API design, and SQLAlchemy/Pydantic or similar tooling.
• Proficiency in Vue or React, including routing, state management (Vuex/Pinia or Redux), and component libraries.
• Proven experience working on public cloud like AWS/GCP
• Database proficiency with relational systems (PostgreSQL) and familiarity with NoSQL (MongoDB, Vector DB); experience with caching and message queues (Redis) is valued.
• Proven testing mindset and experience with automated test suites.
• Comfortable with Git, GitLab CI/CD, and Docker.
• Clear communication skills and experience collaborating with cross-functional teams.

Nice to have

• Experience with agent development frameworks (LangChain/LangGraph) is a plus.
• Certification: AWS Certified Solutions Architect - Associate