Senior Software Engineer
Indexed description
We're recruiting a Senior Software Engineer for our client in Central Stockholm.
The Position
You'll be working with an IoT company building cloud-based access control software for buildings and used by some of Sweden's largest real estate companies and customers across Europe and North America. The platform connects IP-enabled hardware directly to the cloud and runs across a genuinely distributed system, where every door endpoint is a local processor.
This is a Backend/DevOps leaning role, with opportunities to lead cloud infrastructure and operational excellence as the team grows.
What you'll work on
- Backend services in Java and Spring Boot
- AWS cloud infrastructure - RDS, OpenSearch, message queues, deployment automation
- SRE and DevOps practices - CI/CD pipelines, observability, incident response
- Security across the stack - PKI, authentication, encryption, secret management
- Quality engineering - clean code, testable architectures, maintainability
Tech stack
Java + Spring Boot backend, AWS (RDS, OpenSearch, message queues), Next.js + React for web, GitHub Actions for CI/CD. Highly distributed runtime - each endpoint has its own local processor.
Agentic AI tooling (Claude Code, Cursor, etc.) is part of the day-to-day.
Requirements
- 5+ years commercial software development experience
- Strong Java and Spring Boot backend skills
- Production AWS experience - RDS, message queues, IAM, etc.
- SRE / DevOps practices - CI/CD, observability, automation
- Some frontend competency and willing to write UI code occasionally
- Active practitioner of AI-assisted development tools
- Stockholm-based or willing to relocate
Nice to have
- Security expertise — PKI, OAuth/OIDC, threat modelling, OWASP
- IoT / edge computing experience
- Infrastructure-as-Code (Terraform, AWS CDK)
- Kubernetes / container orchestration at scale
What's on offer
- Real ownership over cloud infrastructure decisions
- Small, technically advanced team — your work has visible impact
- Competitive salary and a potential path to ownership
- Hybrid working from central Stockholm (2 days in office)
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