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 8Work on cloud-native systems on AWSOwn PostgreSQL schema design, query optimization, and data integrityBuild and maintain integrations with KYC providers, crypto custodians, and KYT platformsMake architectural decisions on a system where security, performance, and correctness are criticalImprove CI/CD, infrastructure-as-code, and DevOps practicesMentor 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 judgmentHolds well-reasoned technical opinions and can defend themFavors simple, correct solutions that ship over perfect ones that don'tSees seniority as a matter of judgment rather than years of experience What You Bring 5–7 years building production software used by real customersDeep C# / .NET expertiseStrong PostgreSQL skillsHands-on AWS experienceSolid understanding of microservices, API design, and distributed systems trade-offsExperience integrating third-party APIs and external services in regulated environmentsComfort with CI/CD, containerization, and modern DevOps practicesGood judgment on when to build, when to buy, and when to simplify Nice to Have Experience in FinTech, blockchain, or cryptoFamiliarity with KYC / KYT / AML workflows or providersDocker / 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 bonusRetirement and medical benefitsAdditional perks and allowancesHybrid workingA collaborative, growing team of experienced engineersThe chance to work on cutting-edge technology in a fast-paced environmentA culture of innovation and continuous learning