remote
Senior Backend Engineer - Contacts - Wise Australia Investments
Backend Engineer
Lead the design and implementation of a high‑scale, secure contacts platform, driving performance, reliability, and developer experience across the backend stack.
About the role
Key Responsibilities
- Architect and develop scalable, fault‑tolerant services in Go and Java to support millions of contact records and high‑throughput API requests.
- Design and maintain data models, SQL schemas, and indexing strategies to ensure fast search and retrieval.
- Collaborate with front‑end and product teams to define feature requirements and deliver end‑to‑end solutions.
- Implement robust monitoring, logging, and alerting using AWS CloudWatch and Prometheus.
- Mentor junior engineers, conduct code reviews, and promote best practices in CI/CD and automated testing.
Requirements
- 5+ years of backend development experience, with strong proficiency in Go or Java.
- Deep knowledge of relational databases (PostgreSQL/MySQL) and query optimization.
- Experience building microservices on AWS (EC2, RDS, SQS, Lambda).
- Solid understanding of API design, authentication, and data security.
- Excellent communication skills and a collaborative mindset.