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# Software Engineer III

- **Company:** FLEXJET, LLC
- **Location:** Cleveland, OH, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Adobe InDesign, Application Programming Interfaces (APIs), Agile Methodology, C Sharp (Programming Language), Databases, Microsoft Visual Studio, NoSQL, Object-Oriented Software Development, Cloud Services, Service Development Studio, .NET Core, Backend, Front End Software Development, Legacy Systems, Microservices
- **Published:** August 9, 2026
- **Apply:** https://us.experteer.com/career/view-jobs/software-engineer-iii-cleveland-oh-usa-58896817

## About the Role

and support roles Tasks * 5+ years as a software developer at a senior level * Bachelors Degree in related field or 2 additional years of equivalent experience * Strong OO programming fundamentals and databases (Relational and NoSQL) * Experience with microservices architecture and cloud services * Experience with API/service development and legacy application migration * Agile methodology experience * Front-end development experience is a bonus * Proficiency in .NET 5.0+/.NET Core, Visual Studio, C# * Ability to learn new concepts quickly and adapt to complex environments * Self-motivated with strong relationship management and communication skills * Focus on building high-quality systems with good implementation practices * Excellent organizational and verbal/written communication skills Key requirements *

## Description

Experteer Overview In this role you will design, develop and maintain high-performance APIs and backend services that support multiple brands in the private aviation space. You will work with cross-functional teams to translate requirements into scalable solutions and modernize legacy systems. You'll stay current with tech advances and drive quality through best practices. This is an opportunity to shape software that touches many departments and users, contributing to a mission of reliable, innovative aviation tech. Compensation / Benefits * Design, build and troubleshoot high-availability APIs used across the business * Analyze requirements to create new components and applications * Manage lifecycle of new and existing products and apps * Provide guidance and collaborate with colleagues to achieve goals * Introduce new solutions aligned with business needs * Stay updated on technologies and development techniques * Collaborate with departments and end users in design, development and support roles Tasks * 5+ years as a software developer at a senior level * Bachelors Degree in related field or 2 additional years of equivalent experience * Strong OO programming fundamentals and databases (Relational and NoSQL) * Experience with microservices architecture and cloud services * Experience with API/service development and legacy application migration * Agile methodology experience * Front-end development experience is a bonus * Proficiency in .NET 5.0+/.NET Core, Visual Studio, C# * Ability to learn new concepts quickly and adapt to complex environments * Self-motivated with strong relationship management and communication skills * Focus on building high-quality systems with good implementation practices * Excellent organizational and verbal/written communication skills Key requirements *


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