Senior/Staff Forward Deployed Software Engineer

Twenty; Fort Meade (MD); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

Life And AD&D Insurance

Disability Coverage

Paid Parental Leave

Paid Holidays

Flexible PTO

401(k)

Health Savings Account

Flexible Spending Account

Dependent Care FSA

Job summary

Twenty seeks an experienced software engineer to build and operate customer-specific features and integrations in a restricted, air-gapped government environment. You will monitor systems, resolve incidents, and coordinate deployments on site, serving as the engineering liaison to Arlington teams.

The role requires six years of experience, Go/Python/TypeScript proficiency, and active TS/SCI with Full Scope Polygraph.

Qualifications

• Requires at least six years of software engineering experience across the development lifecycle.
• Strong ability in Go, Python, or TypeScript and experience delivering and operating production software.
• Forward-deployed or embedded customer-facing engineering experience in restricted environments is required.
• Must be able to work full-time on-site at a Northern Virginia government facility; active TS/SCI with Full Scope Polygraph is required.

Responsibilities

• Build and operate customer-specific software features, integrations, and AI-backed capabilities.
• Monitor systems, resolve incidents, and coordinate deployments.
• Serve as the on-site engineering liaison and communicate field insights to Arlington teams.
• Contribute to core product development when customer work allows.

Skills

Go

Python

TypeScript

Backend Development

Full-Stack Development

Production Systems Debugging

Linux

Docker

Docker Compose

Data Integration

ETL/ELT Pipelines

SQL

Observability

Air-Gapped Environments

Incident Response

Customer-Facing Engineering

Job description

Build and operate customer-specific software features, integrations, and AI-backed capabilities in a restricted, air-gapped government environment, while monitoring systems, resolving incidents, and coordinating deployments. Serve as the on-site engineering liaison, communicate field insights to Arlington teams, and contribute to core product development when customer work allows.

Requirements

Requires at least six years of software engineering experience, strong ability in Go, Python, or TypeScript, and experience delivering and operating production software across the development lifecycle. Candidates must have forward-deployed or embedded customer-facing engineering experience in restricted environments, sound production troubleshooting skills, and the ability to work full-time on-site at a Northern Virginia government facility; an active TS/SCI clearance with Full Scope Polygraph is required.

Key Skills

• Go
• Python
• TypeScript
• Backend Development
• Full-Stack Development
• Production Systems Debugging
• Linux
• Docker
• Docker Compose
• Data Integration
• ETL/ELT Pipelines
• SQL
• Observability
• Air-Gapped Environments
• Incident Response
• Customer-Facing Engineering

Benefits

• Medical Insurance
• Dental Insurance
• Vision Insurance
• Life And AD&D Insurance
• Disability Coverage
• Paid Parental Leave
• Paid Holidays
• Flexible PTO
• 401(k)
• Health Savings Account
• Flexible Spending Account
• Dependent Care FSA