Senior Software Engineer

Universal Diagnostics S.A. is an international company focused on cracking cancer’s code through advanced bioinformatics models. The Senior Software Engineer will be a key technical contributor responsible for building and scaling backend services and data APIs for the company's observability and analytics platform.

Responsibilities:

• Design, build, and maintain production-grade NestJS APIs and backend services that serve internal and external consumers
• Own the full lifecycle of a service: schema design, business logic, observability instrumentation, Helm chart configuration, and GitOps deployment
• Write and manage database migrations using Prisma; ensure schema changes are safe for zero-downtime deployments
• Implement health endpoints, SLIs, and structured logging patterns that give the SRE team the signals they need
• Collaborate with data engineers to build APIs over Trino and data lake sources (S3/Glue/Iceberg), translating complex analytical queries into reliable, performant endpoints
• Write and maintain unit, integration, and end-to-end tests; treat CI green as a hard gate before merge
• Participate in code reviews, architectural discussions, and incident postmortems as a domain expert
• Mentor and coach junior engineers on NestJS patterns, API design, and service ownership

Requirements:

• Minimum bachelors degree in Computer Science, Computer Engineering, or other job-related field
• 5+ years of experience building and operating production backend services in a cloud environment
• Strong TypeScript/Node.js skills; hands-on experience with NestJS or an equivalent structured backend framework
• Solid understanding of relational databases and ORM-driven migrations (Prisma or similar)
• Familiarity with containerization (Docker) and deploying services to Kubernetes via Helm
• Experience working in a GitOps or CI/CD-driven delivery model (GitLab CI, ArgoCD, or similar)
• Ability to read and write SQL against analytical engines (Trino, Athena, Presto, or similar)
• Strong API design instincts — REST, versioning, Swagger/OpenAPI documentation, and consumer-first thinking
• Strong knowledge of OO design and industry best practices for software development
• Excellent communication and collaboration skills across engineering disciplines
• Detail-oriented, self-motivated, and able to work independently in a fast-paced, dynamic environment
• experience with observability tooling - Grafana dashboards, Prometheus metrics, structured logging (Pino, etc.)
• familiarity with AWS data services: S3, Glue, Lake Formation, or Iceberg table format
• comfort reading and writing Helm chart templates and values files
• A bias toward automation, clean abstractions, and keeping operational complexity low