Senior / Staff Backend Engineer
W3 Sourcing
Job Description
Job Description
THE OPPORTUNITY
A portfolio of AI-native and data-intensive startups is hiring backend engineers to build the reliable systems, data models and infrastructure behind rapidly scaling products.
WHAT YOU WILL DO
- Design and build resilient backend services, APIs, data models and asynchronous workflows.
- Own business-critical systems from architecture through deployment, monitoring and incident response.
- Improve performance, reliability, security and developer velocity as products scale.
- Build clean interfaces around complex data and third-party integrations.
- Partner with product and customer-facing teams to prioritise high-impact technical investments.
- Mentor engineers and help establish practical engineering standards.
WHAT WE ARE LOOKING FOR
- Substantial production backend engineering experience with Python, Go, Java, Rust, Node.js or similar.
- Strong fundamentals in system design, databases, distributed systems and API development.
- Experience operating cloud-based services and diagnosing performance or reliability problems.
- Track record of owning complex projects with limited oversight.
- Pragmatic judgment, strong debugging skills and an ability to communicate trade-offs clearly.
PREFERRED BUT NOT ESSENTIAL
- PostgreSQL, event-driven architecture, queues or workflow orchestration.
- AI/ML platform, LLM infrastructure or high-volume data-processing experience.
- AWS, GCP or Azure; Kubernetes and infrastructure-as-code exposure.
APPLICATION PROCESS
Employer identity and full role-specific details will be shared with suitable candidates during the recruiter screening process.
To apply: send your CV to View email address on ziprecruiter.com or contact linkedin.com/in/perrybarrow/ w3sourcing.com/jobs
Equal opportunity: Applications are welcomed from qualified candidates of all backgrounds. Eligibility to work in the stated location and any sponsorship availability will depend on the specific employer.
Vacancy posted 23 days ago
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