Software Engineer, Backend (Platform)

The role

You will design, build, and maintain backend services and foundational platform components. You will own technical problems from architectural design through deployment and optimization to power Streamline's products.

What you will do

• Design, build, and maintain backend services and foundational platform components.
• Execute complex migrations and architectural improvements to production systems.
• Identify and resolve performance bottlenecks across backend systems.
• Own technical problems end-to-end from design to deployment and monitoring.
• Work with a small engineering team to make technical decisions and shape platform direction.

Required qualifications

• 6+ years of software engineering experience.
• Track record of building and operating production systems.
• Deep understanding of backend architecture, distributed systems, databases, caching, and performance optimization.
• Experience evolving complex production systems and executing migrations.
• Experience working in engineering environments where scalability, performance, and reliability are critical.
• Strong programming skills and comfort working across backend services and infrastructure.
• Strong technical judgment to navigate complex codebases and evaluate tradeoffs.
• Builder's mentality, intellectual curiosity, and comfort taking ownership in an entrepreneurial environment.
• Eligible to obtain and maintain a U.S. security clearance.

Nice to have

• Experience founding a company, building independent projects, or working at an early-stage startup
• Active security clearance

Benefits

• Competitive salary
• Equity packages
• Health, dental, and vision insurance fully covered for employees
• 401(k)
• Development stipends
• Unlimited PTO
• Two-week company holiday at the end of every calendar year
• Fertility benefits

Before you apply

• Candidate must be eligible to obtain and maintain a U.S. security clearance.

About the company

Valinor is a defense and government tech company focused on solving unaddressed problems. It was founded in 2024 and is backed by General Catalyst, Founders Fund, and Friends & Family Capital.