Full Stack Engineer (Tech Lead)

User Experience Researchers Pte Ltd (Singapore); Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

User Experience Researchers Pte Ltd (Singapore) is seeking a Technical Lead – Full-Stack Engineer to drive delivery of the IGCH platform. You will translate architecture into scalable frontend and backend designs using React.js, TypeScript, Node.js, and PostgreSQL, guiding a small engineering team and collaborating with product, UI/UX, QA, and infrastructure.

Responsibilities include shaping REST APIs, secure coding, CI/CD, AWS deployment, and ensuring code quality, security readiness, and VAPT

Qualifications

• Experience: 4+ years in software engineering with leadership of a small team.
• Frontend knowledge: React.js, TypeScript, HTML5, CSS3, responsive web apps.
• Backend experience: Node.js, TypeScript, Express.js or NestJS.
• Database expertise: PostgreSQL, SQL design and migration; DynamoDB/OpenSearch optional.
• API development: design and secure REST APIs.
• Authentication and access control: OAuth2, OIDC, SSO, MFA, RBAC.
• AWS familiarity: API Gateway, Lambda, RDS/Aurora PostgreSQL, S3, CloudWatch, Secrets Manager.
• DevOps: CI/CD pipelines, Docker, environment configuration, deployment.
• Security: OWASP Top 10, SAST, secret scanning, vulnerability remediation.

Responsibilities

• Technical Leadership: Lead the engineering team in design and delivery of the cloud platform.
• Architecture Implementation: Translate architecture into frontend, backend, API, DB and deployment designs.
• Full-Stack Development: Implement components with React.js, TypeScript, Node.js, PostgreSQL.
• API & Integration: Design secure REST APIs and integration patterns for internal and external use.
• Database Design: Oversee relational data modelling, schema, and data integrity.
• Cloud Readiness: Deploy applications into AWS environments with infra teams.
• CI/CD & Release: Manage CI/CD pipelines, builds, deployments and environment configs.
• Security & Code Quality: Embed secure coding, code reviews, SAST, secret scanning.
• VAPT Readiness: Coordinate remediation from code scans and VAPT reports.

Job description

We are looking for a Technical Lead – Full-Stack Engineer to lead the technical delivery of the IGCH platform. 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.

Key Responsibilities

• Technical Leadership: Lead the engineering team in the design, development, and delivery of the 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 reviews, 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.

Required Qualifications

• Experience: At least 4 years of professional software engineering experience, with experience leading a small engineering team.
• Frontend: Strong working knowledge of React.js, TypeScript, HTML5, CSS3, and responsive web application development.
• Backend: Strong experience with Node.js, TypeScript, Express.js, or NestJS.
• Database: Strong experience with PostgreSQL, relational database design, SQL optimisation, data integrity, and migration scripts. Experience with non-relational databases such as DynamoDB and OpenSearch.
• API Development: Experience designing and securing REST APIs.
• Authentication & Access Control: Knowledge of OAuth2, OIDC, SSO integration, MFA concepts, RBAC, secure token/session handling, and audit logging.
• 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.
• Security: Knowledge of OWASP Top 10, secure coding, SAST, dependency scanning, secret scanning, and vulnerability remediation.