Senior Software Engineer

The role

You will architect and scale the core backend systems, APIs, and data infrastructure for defense intelligence tools. You will own features from database schema to production deployment on AWS, and build data pipelines that feed AI/ML models.

What you will do

• Design, build and maintain low-latency, high-throughput APIs and microservices using TypeScript, Express and Node.js.
• Own backend features from database schema design to production deployment on AWS.
• Optimize PostgreSQL workflows and build analytical queries and ingestion pipelines in ClickHouse and Databricks.
• Build data pipelines, retrieval systems and backend services that feed AI/ML models and deliver real-time intelligence.
• Work with product, data and end-users to translate defense acquisition workflows into backend architectures.

Required qualifications

• 5+ years of backend engineering experience building and scaling production APIs, distributed systems and data-intensive applications.
• Deep proficiency in TypeScript/Node.js and building RESTful or GraphQL APIs with frameworks like Express.
• Strong hands-on experience with relational databases (PostgreSQL query optimization, indexing, schema design) and analytical data stores (ClickHouse, Databricks, or similar).
• Solid experience deploying, scaling and managing cloud infrastructure on AWS.
• Proven track record of owning complex backend systems end-to-end, including monitoring and performance tuning.
• Comfortable in the high-ownership, fast-paced environment of an early-stage startup.
• Passion for the national security mission.
• Ability to obtain and maintain a TS/SCI security clearance.

Nice to have

• Government, govtech or defense experience.

Benefits

• Flexible schedule, including working from home when needed.
• Sizeable equity.
• Flexible vacation time.
• Full health, dental and vision insurance.

Before you apply

• Must be able to obtain and maintain a TS/SCI security clearance.

About the company

Obviant builds a data source of truth and AI tools for defense acquisition, fusing thousands of sources to give companies, government and investors a cohesive picture of budgets, programs and organizations. The company is growing fast and backed by top funds and DoD/national security veterans.