Senior Backend Engineer

7 giorni fa

Roma, Lazio, Italia Gamdom A tempo pieno

We are seeking a Senior Backend Engineer to take ownership of mission-critical backend systems that power real-time, high-throughput applications. In this role, you will design, build, and operate scalable services in a cloud-native AWS environment, with a strong focus on performance, reliability, and clean architecture.

Responsibilities

  • Backend Engineering: Design, implement, and maintain scalable backend services using (Express) and TypeScript.

  • System Design: Own technical decisions, service boundaries, API design, and reliability patterns for backend components.

  • Cloud & Infrastructure (AWS): Design, deploy, and operate backend services on AWS, leveraging managed services for scalability, reliability, and security.

  • Database Ownership: Design schemas, write and optimize SQL, and improve PostgreSQL performance (indexes, query plans, migrations).

  • Real-Time Functionality: Build and operate real-time features using WebSockets ), ensuring stability under load.

  • Performance and Scalability: Improve throughput and latency, and proactively address bottlenecks across services, infrastructure, and the database.

  • Quality and Testing: Write and maintain unit and integration tests, and raise overall engineering quality.

  • Debugging and Incident Support: Troubleshoot complex production issues across the stack and AWS infrastructure, and implement long-term fixes.

  • Collaboration: Work closely with product owners and engineering teams to deliver high-impact features with predictable execution.

  • Continuous Improvement: Contribute to better tooling, standards, and engineering practices across the backend team.

Requirements

  • Proven experience as a Senior Backend Engineer (or backend-focused fullstack engineer) delivering production systems at scale.

  • Strong expertise in and Express with TypeScript.

  • Strong proficiency in PostgreSQL, including schema design, migrations, data modeling, and query optimization.

  • Hands-on experience with WebSockets and real-time systems (preferably ).

  • Solid experience with AWS, including deploying and operating backend services using services such as EC2, ECS/EKS, RDS, S3, CloudWatch, and IAM.

  • Understanding of cloud-native concepts such as scalability, high availability, observability, and security.

  • Strong problem-solving skills and ability to work independently on ambiguous, complex tasks.

  • Solid communication and collaboration skills in a fast-paced, cross-functional environment.

  • Experience with CI/CD pipelines and DevOps practices.

Nice to Have

  • Experience with Infrastructure as Code (Terraform, CloudFormation, or CDK).

  • Experience with and state management (Mobx is a plus) for occasional frontend contributions.

  • Experience with crypto transactions.

  • Familiarity with testing frameworks like Jest or Mocha.

  • Experience working in Agile/Scrum teams.

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