Senior Backend Engineer: Real-Time Systems

Twenty; Arlington (VA); On-site; USD 120,000 - 150,000; Full time

Job summary

A cybersecurity firm in Arlington, Virginia is seeking an experienced backend engineer to design and build high-throughput systems that turn real-time operational data into secure, mission-critical capabilities. The ideal candidate has over 8 years of experience in scalable backend systems and strong skills in Golang or object-oriented languages. You will work closely with product, operations, and frontend teams while leading technical initiatives and ensuring high reliability and security standards. This role involves participation in interviews and mentoring other engineers.

Qualifications

• 8+ years building scalable backend systems in production environments.
• 4+ years experience in Golang or other object-oriented systems languages.
• Experience designing distributed systems with messaging and tradeoffs.

Responsibilities

• Architect and build high-throughput backend services that process real-time data.
• Lead technical design reviews for new features and system improvements.
• Troubleshoot production issues and drive durable fixes.

Skills

Golang

Distributed systems design

Mentoring engineers

Cloud-native services

Security fundamentals

Communication skills

Tools

AWS

Docker

Kubernetes

Neo4j

Job description

A cybersecurity firm in Arlington, Virginia is seeking an experienced backend engineer to design and build high-throughput systems that turn real-time operational data into secure, mission-critical capabilities. The ideal candidate has over 8 years of experience in scalable backend systems and strong skills in Golang or object-oriented languages. You will work closely with product, operations, and frontend teams while leading technical initiatives and ensuring high reliability and security standards. This role involves participation in interviews and mentoring other engineers.