Senior Backend Engineer – TypeScript Tech Lead

Just Digital People; Australia; On-site; AUD 140,000 - 190,000; Full time

Job summary

Just Digital People is looking for a Senior Backend Software Engineer II who will lead architecture and implementation of complex backend systems in Australia. You’ll design robust services in TypeScript, build REST and GraphQL APIs, and mentor other engineers while aligning with delivery stakeholders to keep work on track.

Strong problem solving and integration skills are essential for this hands‑on leadership role.

Qualifications

• Minimum 5 years of professional software engineering experience.
• Strong TypeScript development skills and test‑driven development.
• Experience building, consuming and troubleshooting REST and GraphQL APIs.
• Practical experience configuring webhooks and event‑driven integrations.
• Experience with OAuth 2.0, API keys and token refresh flows.
• Experience with JSON and XML payloads and data transformation.
• Experience with SQL or NoSQL databases.
• Familiarity with cloud hosting platforms (GCP/AWS/Azure).
• Experience with infrastructure‑as‑code (Terraform) and CI/CD tooling.
• Strong Git practices and ability to lead technical discussions.

Responsibilities

• Lead the architecture, planning and implementation of complex backend solutions across multiple codebases.
• Develop, integrate and maintain services using TypeScript and modern API technologies.
• Build and consume REST and GraphQL APIs, including secure authentication and event‑driven integrations.
• Configure and maintain webhooks, data payload transformations and integrations between external systems.
• Establish and maintain high standards for code quality, testing and development practices.
• Participate in code reviews, technical workshops and design discussions.
• Mentor engineers and provide guidance on complex technical challenges.
• Work with delivery and project stakeholders to identify risks and manage dependencies.
• Contribute to technical documentation, specifications and process improvements.
• Support cloud infrastructure and CI/CD pipelines.

Skills

TypeScript

REST

GraphQL

OAuth 2.0

CI/CD

Terraform

Cloud platforms

TDD

Git

Leadership

SQL/NoSQL

Tools

GitHub Actions

Bitbucket Pipelines

Terraform

Job description

Just Digital People is looking for a Senior Backend Software Engineer II who will lead architecture and implementation of complex backend systems in Australia. You’ll design robust services in TypeScript, build REST and GraphQL APIs, and mentor other engineers while aligning with delivery stakeholders to keep work on track.

Strong problem solving and integration skills are essential for this hands‑on leadership role.