Senior Software Engineer / Technical Lead

Overview

United Airlines Technical Operations is modernizing a portfolio of mission-critical systems that support aircraft maintenance, supply chain operations, and engineering workflows across our global fleet.

We are looking for a Senior Software Engineer / Technical Lead who is passionate about building modern cloud-native applications while helping guide the transformation of legacy enterprise platforms into scalable, secure, and observable systems on AWS.

This role is ideal for engineers who enjoy solving complex problems across distributed systems, cloud platforms, and modernization initiatives, while also mentoring teams and driving engineering excellence.

You will help shape the technical direction of applications that support real-world operational workflows used by technicians, planners, engineers, and maintenance teams across United’s Technical Operations organization.

What You’ll Do

• Design and deliver cloud-native applications using modern architectures and scalable platform patterns
• Lead development and architectural improvements across systems supporting supply chain operations, engine and component repair shops, and inventory management platforms
• Drive modernization initiatives that transform legacy enterprise systems into scalable cloud-based solutions
• Establish and promote engineering standards around secure coding, automated testing, CI/CD pipelines, and observability
• Build and maintain containerized workloads, APIs, and integration services across enterprise platforms
• Collaborate with architects, product teams, and infrastructure partners to deliver reliable and scalable solutions
• Integrate systems using APIs, messaging platforms, and event-driven architectures
• Mentor engineers and contribute to technical design decisions across the development team
• Improve system reliability, performance, and monitoring through modern observability practices
• Partner with security and platform teams to proactively identify and resolve vulnerabilities

Technologies You’ll Work With

Backend

• .NET 6+ / C#
• RESTful APIs
• SQL/Postgres or similar relational databases

Frontend

• React
• Next.js