Software Engineer - Credit & Fraud (Backend)

Software Engineer Join us! 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 . Team 👾 Product & Tech Role Software Engineer Locations Qliro - Stockholm Remote status Hybrid About Qliro Founded in 2014, reborn in 2022 Co-workers 200+