We are looking for a Senior Backend Engineer to help maintain and evolve our backend platform. Our current backend is built on a Node.js-based framework backed by an Oracle database (hosted on AWS RDS) and supports React single-page applications. Our infrastructure runs on AWS EC2.While this role includes contributing to ongoing feature development, a key responsibility will be helping guide the transition toward a more modern backend architecture and framework. This is a hands-on role with meaningful influence over backend design, technical direction, and long-term maintainability.RESPONSIBILITIES Design, develop, and maintain backend services and APIs Work within an existing Node.js backend, improving stability, performance, and maintainability Deploy and manage backend services on AWS EC2 Contribute to planning and executing the migration to a modern backend framework Collaborate closely with frontend and full-stack engineers on end-to-end feature delivery Define and apply backend architecture patterns, API design standards, and best practices Work with AWS RDS (Oracle, PostgreSQL) to ensure data integrity, performance, and scalability Evaluate application health and performance using AWS CloudWatch or similar toolingParticipate in code reviews and provide technical guidance on backend-related topicsREQUIRED QUALIFICATIONSStrong experience as a backend engineer working on production system Solid experience with Node.js backend development and modern backend frameworks Strong SQL skills and experience with relational databases (Oracle, PostgreSQL) Experience with AWS infrastructure, particularly EC2 and RDS Understanding of cloud networking fundamentals (VPCs, security groups, load balancers) Familiarity with authentication, authorization, and backend security best practicesNICE TO HAVE Experience modernizing or incrementally migrating backend platforms Deeper AWS experience (IAM, CloudWatch, ALB, Parameter Store/Secrets Manager) Exposure to CI/CD pipelines and infrastructure-as-code (Terraform, Cloud Formation, or CDK) Experience mentoring engineers or acting as a technical lead
Backend Software Engineer • Argiroupoli, GRC
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