Full-Stack Software Engineer - Cloud Messaging Platform

About the role

A team is looking for a Full-Stack Software Engineer to manage and improve an enterprise-scale, event-driven messaging platform that enables real-time communication across many applications. The work focuses on modernizing a mature, business-critical platform by simplifying its architecture, improving performance and ensuring scalability as data processing and cloud infrastructure grow. The position is based in the DC metro area, starts as soon as possible, is a contract with pay depending on experience.

Key responsibilities

• Design, develop, maintain and enhance scalable, cloud-native applications and services.
• Support the full software development lifecycle, including development, testing, deployment, operations and production support.
• Build and optimize CI/CD pipelines using Jenkins and GitLab.
• Work with relational and NoSQL technologies, including PostgreSQL and OpenSearch.
• Contribute to platform modernization initiatives focused on architectural simplification, scalability and operational efficiency.
• Support high-volume, event-driven messaging systems running across complex AWS environments.
• Develop new platform features and services, troubleshoot production issues and optimize system performance.
• Collaborate with cross-functional engineering teams to implement technical improvements and best practices.

Required profile

• Strong software engineering experience with full-stack or backend development.
• Hands-on experience with AWS and cloud-native application development.
• Experience with CI/CD tools such as Jenkins and GitLab.
• Working knowledge of PostgreSQL and NoSQL technologies such as OpenSearch.
• Experience developing or supporting distributed systems, event-driven architectures or messaging platforms.
• Understanding of software architecture, scalability, performance optimization and production support.
• Strong troubleshooting, analytical and problem-solving skills, and ability to work with technical teams and business stakeholders.

Preferred qualifications

• Experience modernizing enterprise-scale applications or platforms.
• Familiarity with high-volume data processing and distributed messaging systems.
• Experience supporting applications across multiple AWS accounts.
• Knowledge of infrastructure automation, monitoring and operational best practices.
• Experience simplifying complex architectures and improving platform scalability.