Xtremax

Develops digital applications with interactive design

Full Stack Engineer – Technical Lead - Public Sector

Full-Stack EngineeringConfirmed live in the last 24 hours

Full-timeSingaporeNo salary listedIn-person

About the Job

Requirements

A degree or diploma in Computer Science, Computer or Electronics Engineering, Information Technology, or a related discipline.
At least 5 years of professional software engineering experience, including experience leading a small team.
Strong proficiency in frontend and backend development.
Strong working knowledge of React.js and TypeScript.
Knowledge of HTML5 and CSS3.
Experience in responsive web application development.
Strong experience with Node.js, TypeScript, Express.js, or NestJS.
Experience designing and securing REST APIs.
Strong experience with PostgreSQL, relational database design, SQL optimization, data integrity, and migration scripts.
Experience with non-relational databases such as DynamoDB and OpenSearch.
Knowledge of OAuth2, OIDC, SSO integration, MFA concepts, RBAC, secure token and session handling, and audit logging.
Knowledge of OWASP Top 10, secure coding, SAST, dependency scanning, secret scanning, and vulnerability remediation.
Working knowledge of AWS application services such as API Gateway, Lambda, RDS/Aurora PostgreSQL, S3, CloudWatch, and Secrets Manager.
Experience with CI/CD pipelines, Docker or container packaging, environment configuration, and release deployment.

Responsibilities

Lead the engineering team in designing, developing, and delivering a cloud-based digital platform.
Translate solution architecture into implementable frontend, backend, API, database, and deployment designs.
Design and develop application components using React.js, TypeScript, Node.js, and PostgreSQL.
Design secure REST APIs and integration patterns for internal modules and future external integrations.
Oversee relational data modeling, schema design, transaction handling, audit logging, and reporting-ready data structures.
Work with the Infrastructure Team to deploy applications into AWS environments.
Configure and maintain application-level CI/CD pipelines, build processes, deployment scripts, and environment-specific configurations.
Act as the team’s Security Champion by embedding secure coding, code review, SAST, dependency scanning, secret scanning, and vulnerability remediation into the sprint process.
Coordinate remediation of security findings from code scanning, DAST, and formal VAPT reports.

Full Stack Engineer - Technical Lead (Public Sector)

Xtremax Pte. Ltd. · Singapore, Singapore · Contract · Posted 2026-11-06

Workplace: on_site

Department: Development

Description

The role will work closely with the in-house Solution Architect, Product Owner, Business Analyst, UI/UX Designer, QA Automation Engineer and Infrastructure Team to design, build and deliver a secure, scalable and maintainable cloud-based digital platform. The Technical Lead will translate the Solution Architect’s target architecture into working application design, guide developers, enforce engineering standards, oversee code quality, support CI/CD, coordinate security readiness and ensure the platform is ready for deployment into AWS-managed environments.

Responsibilities

Technical Leadership: Lead the engineering team in the design, development and delivery of cloud-based digital platform
Architecture Implementation: Translate solution architecture into implementable frontend, backend, API, database and deployment designs.
Full-Stack Development: Design and develop application components using React.js, TypeScript, Node.js and PostgreSQL.
• API & Integration: Design secure REST APIs and integration patterns to support internal modules and future external integrations.
Database Design: Oversee relational data modelling, schema design, transaction handling, audit logging and reporting-ready data structures.
Cloud Application Readiness: Work with the Infrastructure Team to deploy applications into AWS environments.
CI/CD & Release: Familiar with configuration and maintain application-level CI/CD pipelines, build processes, deployment scripts and environment-specific configurations.
Security & Code Quality: Act as the team’s Security Champion by embedding secure coding, code review, SAST, dependency scanning, secret scanning and vulnerability remediation into the sprint process.
VAPT Readiness: Coordinate remediation of security findings from code scanning, DAST and formal VAPT reports.

Requirements

Full Stack Development

Degree or Diploma in Computer Science, Computer or Electronics Engineering, Information Technology, or related disciplines.
at least 5 years of professional software engineering experience with experience leading small team
Strong proficiency in both frontend and backend development.

Frontend

Strong working knowledge of React.js, TypeScript,
HTML5 and CSS3
Experience in responsive web application development.

Backend and API Development

Strong experience with Node.js, TypeScript, Express.js, or Nest JS.
Experience designing and securing REST APIs.

Database

Strong experience with PostgreSQL, relational database design, SQL optimisation, data integrity and migration scripts.
Experience with non-relational database such as DynamoDB, and OpenSearch.

Authentication, Access Control, and Security

Knowledge of OAuth2, OIDC, SSO
integration, MFA concepts, RBAC, secure token/session handling and audit logging.
Knowledge of OWASP Top 10, secure coding, SAST, dependency scanning, secret scanning and vulnerability remediation.

AWS Application Knowledge

Working knowledge of AWS application services such as API Gateway, Lambda, RDS/Aurora PostgreSQL, S3, CloudWatch and Secrets Manager.

DevOps

Experience with CI/CD pipelines, Docker or container packaging, environment configuration and release deployment.

Benefits

By submitting your resume/CV, you consent and agree to allow the information provided to be used and processed by or on behalf of Xtremax Pte Ltd for purposes related to your registration of interest in current or future employment with us and for the processing of your application for employment.

You also represent to us that you have obtained the consent of your referees when you disclose to us their personal data for the purpose of conducting reference checks.

The personal data held by us relating to your application will be kept strictly confidential and in accordance with the PDPA. You may also refer to our Privacy Policy for more details here:

We regret to inform you that should you not consent to providing the necessary data required for us to process your application, your application will be considered void.

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About the Company

Xtremax

Develops digital applications with interactive design

Xtremax is a digital solutions agency serving governments, large organizations, and educational institutions to design, build, and manage digital applications. Its team across Singapore, Bandung, and Kuala Lumpur uses user-centered design, strategic content planning, and modern technology to deliver end-to-end projects. The company differentiates itself with an award-winning track record, regional reach, and deep experience in public and educational sectors. Its goal is to help clients achieve measurable outcomes by delivering reliable digital platforms and engaging experiences that align with strategic objectives.

Company size: 201-500
Company stage: Not listed
Total funding: Not listed
Headquarters: Singapore, Singapore
Founded: 2003

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