Senior Backend Engineer — Remote, Data & Security

Weve Security Limited; Ireland; Remote; EUR 85,000 - 110,000; Full time

Job summary

Weve is building workplace security for a world where people and AI agents work across dozens of systems. You’ll own backend work from data modelling through production behaviour, our stack includes TypeScript, PostgreSQL, ClickHouse and Temporal.

The interesting work is deciding where state belongs, how work recovers from failure and how the system stays understandable as sources and customers grow. You’ll design durable workflows, model identities and resources, and craft APIs and queries that

Qualifications

• Own production backend systems beyond initial release.
• Strong TypeScript or comparable backend language experience.
• Relational data modelling and practical SQL performance skills.
• Understanding of asynchronous execution, concurrency and idempotency.
• Care with access control and tenant isolation to protect data.

Responsibilities

• Build ingestion and processing paths for duplicates, retries and changing schemas.
• Model identities, resources, activity and relationships with provenance and tenant boundaries.
• Design APIs and queries for investigations and person profiles with controlled data access.
• Develop durable workflows for acquisition, enrichment and investigation, including cancellation and recovery.
• Instrument systems to diagnose failures and optimize latency, capacity and cost.
• Collaborate with research, field engineering and product to turn complex cases into maintainable backend capabilities.

Skills

Backend ownership

TypeScript

SQL performance

Data modelling

Concurrency

Security awareness

Tools

PostgreSQL

ClickHouse

Temporal

Job description

Weve is building workplace security for a world where people and AI agents work across dozens of systems. You’ll own backend work from data modelling through production behaviour, our stack includes TypeScript, PostgreSQL, ClickHouse and Temporal.

The interesting work is deciding where state belongs, how work recovers from failure and how the system stays understandable as sources and customers grow. You’ll design durable workflows, model identities and resources, and craft APIs and queries that