Senior Software Engineer

On behalf of a client, a technology company delivering advanced software solutions across financial services, we are looking for a Senior Software Engineer . The Role You'll join the engineering team working on a blockchain-based FinTech platform. Specifically, you will: Design and build robust, high-performance backend services in C# / .NET Core 8 Work on cloud-native systems on AWS Own PostgreSQL schema design, query optimization, and data integrity Build and maintain integrations with KYC providers, crypto custodians, and KYT platforms Make architectural decisions on a system where security, performance, and correctness are critical Improve CI/CD, infrastructure-as-code, and DevOps practices Mentor teammates and collaborate with experienced specialists across several technical disciplines Who We're Looking For You're an engineer who: Takes genuine ownership and exercises sound judgment Holds well-reasoned technical opinions and can defend them Favors simple, correct solutions that ship over perfect ones that don't Sees seniority as a matter of judgment rather than years of experience What You Bring 5–7 years building production software used by real customers Deep C# / .NET expertise Strong PostgreSQL skills Hands-on AWS experience Solid understanding of microservices, API design, and distributed systems trade-offs Experience integrating third-party APIs and external services in regulated environments Comfort with CI/CD, containerization, and modern DevOps practices Good judgment on when to build, when to buy, and when to simplify Nice to Have Experience in FinTech, blockchain, or crypto Familiarity with KYC / KYT / AML workflows or providers Docker / Kubernetes (EKS, AKS) Infrastructure-as-Code (Terraform, Bicep) Event-driven architectures (Kafka, RabbitMQ, Service Bus) Observability tooling (OpenTelemetry, Datadog, Grafana) A strong interest in developer experience and security What's on Offer Competitive salary and performance bonus Retirement and medical benefits Additional perks and allowances Hybrid working A collaborative, growing team of experienced engineers The chance to work on cutting-edge technology in a fast-paced environment A culture of innovation and continuous learning Applicants must hold EU citizenship and be eligible to work in Cyprus .