> Markdown version of [/jobs/ext/3555776-sr-fullstack-developer-lead](https://www.wearedevelopers.com/jobs/ext/3555776-sr-fullstack-developer-lead). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Fullstack Developer/Lead - **Company:** Insight Global - **Location:** Arlington Heights, IL, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** .NET Framework, Artificial Intelligence, Amazon Web Services, Software Quality, Code Review, DevOps, Distributed Systems, Enterprise Messaging Systems, Performance Tuning, Software Engineering, Spring Cloud, Backend, AngularJS, Infrastructure Automation Frameworks, Apache Kafka, Restful APIs, Terraform, Devsecops, Serverless Computing, Microservices - **Published:** October 2, 2026 - **Apply:** https://dejobs.org/x/x/ACABADBEBAC548FBB6CCB1DDCC837108/job/ ## About the Role * 7+ years of software engineering experience including leadership/mentorship responsibilities * Strong backend development experience using .NET and REST APIs * Hands-on experience building cloud-native applications on AWS * Experience with microservices, serverless architectures, and distributed systems * Experience with CI/CD pipelines, DevSecOps practices, and Infrastructure as Code * Strong understanding of system design, scalability, and performance optimization * Experience mentoring developers and leading technical discussions, performing code reviews * Angular experience * Terraform experience * Experience utilizing AI for enhancing coding process * Kafka, Solace, or other event-driven messaging platforms * AWS certifications ## Description Insight Global is seeking a Senior Application Developer / Lead to support an application development initiative for United Airlines. This individual will help lead architecture and technical design efforts while remaining hands-on with development activities. They will mentor engineering teams, establish development standards, oversee code quality, and drive implementation of scalable AWS-based solutions. The role will work closely with product, business, and engineering stakeholders to deliver secure, resilient applications utilizing modern engineering practices, DevSecOps, Infrastructure as Code, and AI-assisted development tools