Senior Backend Engineer
Looking for an exceptional backend engineer to own the systems, infrastructure, and platform that power a fast-growing AI product used by teams every day. This is a role for engineers who care deeply about performance, scalability, reliability, and clean architecture.
You'll thrive if you:
- Have built and scaled production backend systems
- Have deep experience with databases, distributed systems, and infrastructure
- Enjoy solving performance bottlenecks and complex technical problems
- Think in systems, not just features
- Have strong product instincts and care about customer outcomes
- Use AI-assisted development tools as part of your daily workflow
- Take ownership from problem discovery through to production
You'll work on:
- High-scale backend services
- Database architecture and optimisation
- Retrieval and search infrastructure
- Event-driven systems
- Third-party integrations
- Reliability and observability
- Billing, authentication, and platform services
- AI product infrastructure
Ideal experience:
- Ruby, TypeScript, Python, Go, Java, or similar
- PostgreSQL at scale
- Background jobs and asynchronous systems
- API design and integrations
- Performance tuning and system optimisation
- Cloud infrastructure and modern developer tooling
Why join?
You'll join a small team of highly capable engineers building technology at the frontier of AI applications. High ownership. Real technical challenges. Direct impact on product and customers.
Key Skills
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- Posted
- Jun 18, 2026
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Stockholm
- Company
- TechShack
Industries
Categories
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