Software Developer III

Indotronix International Corporation • Chicago, IL

14h • Hybrid

About The Position

Join United Airlines' Network Planning and Optimization team as an Optimization Modeling Engineer. In this pivotal role, you will design, develop, and maintain advanced optimization models and C++ applications that shape key airline planning and operational strategies. If you have a passion for solving complex challenges using quantitative methods and software engineering, this is your chance to make a direct impact on airline efficiency and performance in a forward-thinking, collaborative environment.

Requirements

• Bachelor’s degree or higher in Operations Research, Applied Mathematics, Industrial Engineering, Computer Science, Mathematics, or related quantitative field.
• Strong C++ development experience.
• Background in optimization modeling, linear optimization, or operations research.
• Experience working in Linux environments.
• Proven analytical and problem-solving skills.
• Ability to convey complex technical concepts to diverse audiences.

Nice To Haves

• IBM CPLEX optimization software experience.
• Experience developing optimization or decision-support applications in transportation, logistics, airline, or supply chain industries.
• Exposure to cloud-based computing environments.
• Familiarity with Julia or other modern scientific computing languages.
• Advanced degree (Master’s or PhD) in a quantitative field.

Responsibilities

• Develop, enhance, and maintain optimization models to support airline operations and network planning initiatives.
• Design and implement linear optimization and mathematical programming models to address complex business challenges.
• Build robust, production-grade software applications using C++.
• Integrate optimization models with IBM CPLEX and other industry-leading solvers.
• Analyze large datasets to translate business requirements into actionable quantitative models and decision-support tools.
• Support and maintain applications in Linux and cloud-based environments.
• Collaborate with operations research professionals, software engineers, and business stakeholders to deliver impactful optimization solutions.
• Contribute to modernization projects, including evaluating and adopting new technologies such as Julia.
• Troubleshoot, enhance, and optimize existing modeling applications to improve scalability and performance.

Benefits

• Work on high-impact projects that directly influence airline performance and efficiency.
• Collaborate with industry experts and cross-functional teams in a supportive, innovative workplace.
• Access to ongoing professional development and emerging technologies.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level