Senior Full-Stack Lead: Build Scalable, Secure Web & API

SEDHA CONSULTING PTE. LTD.; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

SEDHA CONSULTING PTE. LTD. in Singapore seeks a Senior Full-Stack Developer to lead the technical development of a mobile web app and PWA project.

You will unite frontend, backend and cloud infrastructure, ensuring scalable, high-performance, and secure web applications while collaborating with stakeholders and delivery teams. You will drive architecture across React Native, Node.js, and cloud services, with emphasis on security, observability, and automated releases.

Qualifications

• Degree or Diploma in Computer Science, Engineering, IT, or related discipline.
• 7+ years in full-stack web development with proven project delivery.
• 2-3 years in senior technical or consulting roles; client-facing experience.
• Experience with Git workflows like GitFlow or trunk-based development.

Responsibilities

• Own end-to-end application development across frontend, backend, and cloud.
• Design, develop, and maintain responsive, accessible, and performant web apps.
• Lead frontend architectures using React Native for enterprise-level reusability and security.
• Develop and architect high-performance backend services and APIs with reliability, security, and observability.
• Lead WhatsApp Business API integration and provide technical consultation on messaging workflows.
• Continuously evaluate emerging tech to improve performance and productivity.
• Translate business requirements into technical solutions and lead stakeholder discussions.
• Proactively resolve complex bugs and performance issues.
• Drive CI/CD deployment strategies and automated releases.
• Establish automated infrastructure provisioning and cloud deployment strategies.
• Ensure comprehensive full-stack security including authentication, authorization, API security.

Skills

Full-stack development

React.js

React Native

Node.js

API design

Cloud architecture

Security-by-design

CI/CD practices

Stakeholder management

Education

Degree in Computer Science or related

Tools

Docker

Kubernetes

GitHub Actions

Terraform

OpenTelemetry

Datadog

ELK Stack

Job description

SEDHA CONSULTING PTE. LTD. in Singapore seeks a Senior Full-Stack Developer to lead the technical development of a mobile web app and PWA project.

You will unite frontend, backend and cloud infrastructure, ensuring scalable, high-performance, and secure web applications while collaborating with stakeholders and delivery teams. You will drive architecture across React Native, Node.js, and cloud services, with emphasis on security, observability, and automated releases.