Senior Backend Engineer: Scalable APIs & Systems

Booz Allen Hamilton; McLean (VA); On-site; USD 69,000 - 158,000; Full time

Job summary

Booz Allen Hamilton in McLean, Virginia is seeking a Backend Software Engineer to design, build, and optimize server-side systems and APIs. You will collaborate with cross-functional teams to deliver scalable, reliable software and contribute to secure, mission-focused solutions for clients.

The role emphasizes evolving architecture, clean code, and ongoing learning while supporting agile development practices and automated testing.

Qualifications

• 5+ years of software design, development, and implementation experience.
• 5+ years of web technologies and software stacks experience.
• Experience switching between different programming languages and learning new ones.
• Experience with Agile methodologies and software product development.
• Experience writing source code for new applications and enhancing code samples.

Skills

Software design

Multi-language proficiency

Agile methodologies

Code reviews

Testing tools

Security clearance TS/SCI

Education

Bachelor's degree

Tools

Java

C++

C#

Python

JavaScript

SQL

API development

Spring

Node.js

Databricks

Job description

Booz Allen Hamilton in McLean, Virginia is seeking a Backend Software Engineer to design, build, and optimize server-side systems and APIs. You will collaborate with cross-functional teams to deliver scalable, reliable software and contribute to secure, mission-focused solutions for clients.

The role emphasizes evolving architecture, clean code, and ongoing learning while supporting agile development practices and automated testing.