Software Engineer

**What We Do At Qliro** At Qliro we deliver safe and simple payments. We are a dedicated partner to our merchants who serve their customers every day. We believe that if our merchants grow, we grow. We are a company of dedicated, friendly and highly competent people that together have redefined what Qliro and payments can be. We are now on a journey of scaling our business both here in Sweden and the Nordics. **What Your Team Does** We are now looking for a senior **Software Engineer** to join **STIX** — our platform for credit and fraud checks. The mission of the STIX team is to protect Qliro’s payment flows through state‑of‑the‑art credit assessments and fraud detection, while ensuring a smooth customer journey and supporting Qliro’s growth ambitions. STIX is a backend‑focused team responsible for our credit engine, integrations with credit information providers, fraud detection capabilities, and the internal fraud investigation interface used by our fraud officers. As a core part of the transactional payment path, we operate under strict requirements for speed, accuracy, uptime, and response times. (And if you’re curious about the name “STIX,” there’s a fun story involving a particular type of owl — we’ll happily share it during the interview process.) **Current focus for the team** * Processing tens of thousands of credit and fraud checks every day * Running a containerized microservices architecture with daily production deployments * Tech stack: C\#, .NET, AWS, Docker \+ Swarm, Kubernetes, Microservices, Event Driven Architecture, RabbitMQ, Terraform, GitLab, MS SQL Server, DynamoDB, Redis, OpenTelemetry \+ Grafana, Kibana **What We Are Looking For** * At least five years of professional experience with .NET, with strong skills in C\# * Comfortable using modern AI tooling such as Windsurf, Claude, or similar * Experience in modernizing and migrating legacy systems * Practical experience with agile engineering methods and solid software engineering best practices * Strong understanding of system design, data structures, and API development * A mindset that values speed, correctness, and reliability, especially in microservices and event‑driven architectures It is beneficial if you have experience from: * Working with credit engines, credit decisioning, or similar financial decision systems * Working with AWS or other cloud providers * Working in a team with full platform ownership — including monitoring, infrastructure, CI/CD, and production operations Does this sound like your next role? What are you waiting for \- apply now! *Qliro is an equal opportunity employer. All qualified applicants will be considered for employment without regard to gender, gender identity or expression, national origin, religion or other beliefs, disability, sexual* orientation *or age* .