Senior Developer - Information Technology

Senior DeveloperAchieving our goals starts with supporting yours. Grow your career, access top-tier health and wellness benefits, build lasting connections with your team and our customers, and travel the world using our extensive route network.Come join us to create what's next. Let's define tomorrow, together.Job Overview And ResponsibilitiesThe Senior Developer will be responsible for the design, development, and evolution of United's Ticketing Platform. This role will lead the transition from legacy mainframe development approaches toward cloud-native architecture and AI-enabled, spec-driven software engineering while delivering scalable solutions that support critical ticketing capabilities across the enterprise.The ideal candidate combines deep technical expertise with strong leadership, communication, and mentoring skills. This individual will partner with Product to translate business outcomes into actionable solutions, collaborate with Engineering and Architecture on technical design, work with EQE to strengthen quality and automation, and coach developers as they grow their technical and professional capabilities.Lead technical design phases by configuring AI agents to ingest Product Requirements Documents (PRDs), business requirements, system architectures, and approved engineering standards.Orchestrate agent workflows that transform high-level business and technical artifacts into detailed, implementation-ready specifications for microservices and platform capabilities.Oversee the end-to-end design, development, documentation, testing, deployment, and support of backend solutions built on C# and.NET Core.Lead the decomposition of legacy mainframe ticketing capabilities into scalable, resilient, and cloud-native services.Design event-driven architectures and communication patterns leveraging Solace messaging technologies.Define and govern API contracts, policies, security standards, and routing rules managed through Kong API Gateway.Architect scalable, resilient, and secure infrastructure deployments across AWS services, including ECS, EKS, Lambda, RDS, and related cloud-native technologies.Maintain and enhance CI/CD pipelines using GitHub Actions and Harness to automate build, testing, security validation, deployment, and release activities.Continuously refine AI prompt pipelines, validation practices, and engineering guardrails to improve the accuracy, completeness, and quality of agent-generated technical specifications.Lead API integrations between internal platforms, external systems, and cloud services using API-first design principles.Collaborate closely with Product Managers and business stakeholders to translate business capabilities into scalable technical solutions and delivery plans.Partner with Engineering, Architecture, EQE, Platform Engineering, and Operations teams to ensure solution quality, successful delivery, and operational readiness.Facilitate technical discussions, design reviews, and architecture assessments, helping cross-functional teams reach clear and timely decisions.Highlight and document risks, issues, blockers, dependencies, and technical decisions while driving resolution plans with the appropriate stakeholders.Mentor and coach developers in software engineering best practices, cloud-native design, AI-assisted development, technical problem-solving, and software craftsmanship.Foster a culture of technical excellence, continuous learning, accountability, inclusion, collaboration, and innovation.Champion quality engineering by partnering with EQE to improve automation, testability, reliability, and overall software quality throughout the development lifecycle.Communicate complex technical concepts clearly to technical and non-technical audiences, and build trusted relationships across the organization.Stay current with industry best practices and emerging technologies in distributed systems, cloud engineering, API development, platform engineering, and AI-enabled software delivery.QualificationsWhat's needed to succeed (Minimum Qualifications):Bachelor's degree in Computer Science, Engineering, or related field preferred3+ years of experience in software developmentExperience in the design, development, documentation, testing, and debugging of enterprise software systemsDeep expertise in C# development,.NET Core, and advanced object-oriented design principlesStrong experience designing and developing distributed systems, microservices, and API-first architecturesExperience modernizing legacy or mainframe-based applications into cloud-native architecturesProduction experience with enterprise integration technologies, including Solace messaging and Kong API GatewayProven experience building cloud-native applications and infrastructure on AWSAdvanced experience with CI/CD automation tools, including GitHub Actions and HarnessHands-on experience integrating AI coding agents, large language model workflows, or AI-assisted engineering practices into the software development lifecycleStrong understanding of spec-driven development, technical documentation, and automated software delivery practicesExperience working within Agile/Scrum or SAFe frameworks and tools such as Jira, Confluence, or Azure DevOpsDemonstrated ability to collaborate effectively across Product, Engineering, Architecture, EQE, Platform Engineering, and Operations organizationsStrong verbal and written communication, stakeholder management, facilitation, and leadership skillsExperience mentoring developers and fostering technical and professional growth within engineering teamsAbility to influence without direct authority, navigate differing perspectives, and build alignment across cross-functional teamsStrong analytical, problem-solving, decision-making, and organizational skills in a fast-paced delivery environmentMust be legally authorized to work in the United States for any employer without sponsorshipSuccessful completion of interview required to meet job qualificationReliable, punctual attendance is an essential function of the positionWhat will help you propel from the pack (Preferred Qualifications):Experience supporting airline Ticketing, Order Management, Reservation Systems, Passenger Services Systems, or related airline technology platformsKnowledge of Generative AI frameworks, prompt engineering, AI agent orchestration, and evaluation techniquesProficient in Python scripting for automation, data analysis, and operational tooling.Experience leading adoption of emerging engineering practices and technologiesExperience serving as a technical mentor, coach, development lead, or facilitator of an engineering community of practiceExperience designing highly scalable event-driven architectures and platform servicesFamiliarity with Domain-Driven Design (DDD), event sourcing, CQRS, and cloud-native architecture patternsExperience driving quality improvements in partnership with Quality Engineering teamsAgile experienceThe base pay range for this role is $112,480.00 to $146,540.00. The base salary range/hourly rate listed is dependent on job-related, factors such as experience, education, and skills. This position is also eligible for bonus and/or long-term incentive compensation awards.You may be eligible for the following competitive benefits: medical, dental, vision, life, accident & disability, parental leave, employee assistance program, commuter, paid holidays, paid time off, 401(k) and flight privileges.United Airlines is an Equal Opportunity Employer. We recruit, employ, train, compensate, and promote without regard to race, color, religion, national origin, gender identity, sexual orientation, disability, age, veteran status, or any other protected category under applicable law. We provide reasonable accommodations for applicants and employees with disabilities. To request an accommodation, contact View email address on click.appcast.io.