Backend Engineer – Node.js | Complex Systems
Join a fast-growing tech company that’s tackling some of the most challenging software and data problems in the world today. You’ll be part of a talented engineering team building complex backend systems that power critical, real-world applications used across government, defence, and major infrastructure sectors.
Salary: $140,000-$180,000+Super
Work Model: Hybrid (3 Days WFH)
Opportunity:
We’re looking for a Backend Engineer with strong fundamentals in Node.js and database design, someone who loves solving deep technical problems and writing clean, scalable code. You’ll work on high-performance backend systems, data pipelines, and APIs that form the backbone of a mission-critical platform used globally.
You’ll be joining a company that’s rapidly expanding and well-funded, operating in a domain where reliability, performance, and data integrity truly matter.
What You’ll Do
- Design and build backend services for a large-scale web platform.
- Work across complex data models and PostgreSQL databases, ensuring performance and scalability.
- Develop and maintain APIs and integration layers for distributed systems.
- Contribute to architecture discussions, code reviews, and automation best practices.
- Collaborate closely with frontend, data, and infrastructure teams to deliver seamless user experiences.
Requirements:
- Strong experience with Node.js (NestJS a plus).
- Deep understanding of data structures, SQL, and relational database design.
- Experience with PostgreSQL in production environments.
- Exposure to large, complex systems (ERP, CRM, or similar).
- Background in Go, Rust, or C is highly regarded.
Benefits:
- Personal growth opportunities – support for professional development, courses, and certifications.
- Competitive salary package with performance-based reviews.
- Flexible hybrid work model – enjoy a mix of in-office collaboration and remote flexibility.
- Cutting-edge tech environment – work on large-scale distributed systems, advanced data pipelines, and high-performance infrastructure.
- Opportunities to move into architecture or technical leadership as the company continues to scale.
The client is looking for candidates from Mid-Senior level, with immediate CV's under immediate consideration. Apply now to be considered!
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- Posted
- Oct 22, 2025
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Sydney
- Company
- Change Recruitment
Industries
Categories
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