Backend engineer building high-scale, real-time and data-intensive systems across fintech, infrastructure and AI-driven tooling. Founding engineer in multiple startups, with hands-on experience designing payment and compliance systems (AML/fraud) and leading core backend initiatives. Recently worked on an AI-assisted SQL migration and transpilation platform for enterprise customers
Remote: Yes
Willing to relocate: London, UK
Technologies: Python, Go, Node.js, PostgreSQL, Redis, MongoDB, ClickHouse, Kafka, RabbitMQ, Celery, AWS (S3, Lambda, RDS, EKS, ECS, Fargate), Kubernetes, Docker, Terraform, GitHub Actions, ArgoCD, Datadog, Prometheus, OpenTelemetry, payment systems, AML/fraud detection, high-throughput data pipelines, real-time services
Résumé/CV: https://kostandyan.xyz/files/cv-20260115.pdf
Email: [email protected]
Backend engineer building high-scale, real-time and data-intensive systems across fintech, infrastructure and AI-driven tooling. Founding engineer in multiple startups, with hands-on experience designing payment and compliance systems (AML/fraud) and leading core backend initiatives. Recently worked on an AI-assisted SQL migration and transpilation platform for enterprise customers