Lead Engineer / Senior Full Stack Engineer – Frontend & Java

VY SYSTEMS PTE. LTD.; Singapore; On-site; SGD 180,000 - 280,000; Full time

Job summary

VY SYSTEMS PTE. LTD. in Singapore is seeking an experienced Lead Engineer / Senior Full Stack Engineer with 10+ years of hands-on software development to lead multiple squads and deliver scalable enterprise applications.

You will work across frontend technologies (TypeScript, JavaScript, React/Angular, Lit.js) and Java-based backend services, building REST/GraphQL APIs in a microservices context. The role emphasizes technical leadership, architecture, performance, security and collaboration with

Qualifications

• 10+ years of hands-on software engineering experience.
• Strong frontend development experience with UI architecture.
• Experience with TypeScript/JavaScript, React/Angular, and Java backend.
• Familiarity with REST/GraphQL APIs, microservices and microfrontend architecture.
• Leadership across multiple teams and engineering best practices.

Responsibilities

• Lead design and development of scalable, enterprise web applications.
• Architect reusable UI components and frontend solutions.
• Mentor engineers, conduct code reviews and drive delivery across squads.
• Guide backend services, APIs and microservices alignment with frontend.
• Promote AI-assisted development tools to boost productivity.

Skills

Frontend development

TypeScript

JavaScript

React

Angular

Lit.js

UI architecture

Microfrontend

AI-assisted tools

Education

Bachelor's degree in Computer Science or related

Tools

Jira

Azure DevOps

Jenkins

Azure Pipelines

Docker

Kubernetes

Maven/Gradle

Job description

Job Overview

We are looking for an experienced Lead Engineer / Senior Full Stack Engineer with 10+ years of hands-on software engineering experience to join our technology team.

The ideal candidate will have strong expertise in frontend engineering and UI architecture, with experience designing scalable, responsive and high-performance enterprise applications. The role also requires strong secondary knowledge of Java-based backend development, REST/GraphQL APIs and microservices architecture.

You will provide technical leadership across multiple teams or squads, drive engineering best practices, and contribute to the end-to-end delivery of secure, scalable and high-quality technology solutions.

Key Responsibilities

Technical Leadership & Engineering

• Lead the design and development of scalable, responsive and high-quality enterprise web applications.

• Architect and implement reusable UI components, application flows and frontend solutions.

• Develop and maintain frontend applications using TypeScript, JavaScript, React, Angular and/or Lit.js.

• Establish and enforce frontend engineering standards covering performance, accessibility, maintainability, testing and code quality.

• Design and implement microfrontend architectures across multiple UI repositories.

• Drive frontend performance optimization and responsive user experience.

• Guide frontend state management, event handling and integration with backend services.

• Champion the use of AI-assisted development tools such as GitHub Copilot, Figma AI and similar technologies to improve engineering productivity.

• Provide technical guidance, mentoring and code reviews to engineers.

• Lead and coordinate multiple engineering teams/squads across planning, development, testing and release activities.

Backend Development

• Develop and maintain backend services using Core Java, Spring Framework, Spring Boot and/or Quarkus.

• Implement secure backend services using Spring Security and established security practices.

• Design and develop RESTful APIs and GraphQL services.

• Contribute to microservices architecture and integration design.

• Develop robust data access layers using JPA/Hibernate.

• Work with SQL and NoSQL databases including PostgreSQL, MySQL, Oracle, MongoDB and Redis.

• Support application build and deployment processes using Maven/Gradle and CI/CD pipelines.

• Collaborate with DevOps, QA, architecture and product teams to deliver end-to-end solutions.

Required Skills & Experience

Frontend

• At least 10 years of overall software engineering experience, with strong hands-on frontend development experience.

• Strong hands-on experience with JavaScript and TypeScript.

• Experience with one or more modern frontend frameworks/libraries such as:

  • React.js

  • Angular

  • Lit.js

  • MUI

• Strong understanding of UI architecture, reusable component design and frontend design patterns.

• Experience building responsive, accessible and high-performance enterprise applications.

• Experience with frontend state management and backend API integration.

• Strong understanding of REST and/or GraphQL integration.

• Experience with frontend testing, code reviews, maintainability and reusable design standards.

• Hands-on experience with microfrontend architecture and/or multiple frontend repositories is highly desirable.

• Experience using AI-assisted development tools such as GitHub Copilot, Figma AI, Claude Code or similar tools is an advantage.

Backend

Working knowledge of:

• Core Java

• Spring Framework

• Spring Boot

• Spring Security

• Quarkus

• RESTful APIs

• GraphQL

• Microservices architecture

• JPA/Hibernate

• Maven/Gradle

• SQL databases such as PostgreSQL, MySQL and Oracle

• NoSQL databases such as MongoDB and Redis

Cloud, DevOps & Infrastructure

• Git and Azure DevOps

• Jenkins and/or Azure Pipelines

• Docker and Kubernetes

• Azure and/or AWS

• Linux/Unix environments

• CI/CD practices

• Familiarity with monitoring and observability tools such as ELK, Prometheus and Grafana

Leadership & Soft Skills

• Proven experience leading multiple engineering teams or squads through the full software delivery lifecycle.

• Strong experience in Agile/Scrum environments.

• Excellent communication and stakeholder management skills.

• Ability to collaborate effectively with product, architecture, QA, DevOps and business teams.

• Strong problem-solving and analytical skills.

• Demonstrated ability to mentor and develop engineering team members.

• Strong focus on software quality, security, performance and maintainability.

• Comfortable working in a fast-paced and continuously evolving technology environment.

Preferred Experience

• Experience in the banking, financial services or fintech industry.

• Knowledge of regulatory and compliance requirements within financial services environments.

• Experience with event-driven architecture.

• Experience delivering large-scale enterprise applications.

• Experience working across multiple teams, technology platforms and distributed development environments.

Education

• Bachelor's degree or equivalent qualification in Computer Science, Information Technology, Software Engineering or a related discipline.