Appex Innovation - Senior Java Developer

Developer is needed in Chicago, United States.

Client: Appex Innovation

Location: Chicago, IL, us

Contract: Contract

Job Description

We are hiring a Senior Java Developer for a client in Chicago, IL for a hybrid role. This contractor position will focus on the design, development, modernization, and production delivery of notification platform services, integrations, event-driven capabilities, and AI-enabled communication use cases within the Airlines domain.

Requirements

Minimum Qualifications:

• Bachelor’s degree in Computer Science, Information Systems, Engineering, or a related field, or equivalent work experience.
• Minimum of 8 years in software engineering, application development, integration, and SDLC delivery.
• Strong hands-on software development experience; comfortable spending majority of time coding, debugging, designing, and delivering software.
• Minimum of 8 years of hands-on Java backend development experience, including Spring Boot, REST APIs, microservices, and open-source technologies.
• Minimum of 3 years of experience with event-driven systems, messaging, streaming, integration, or notification platform capabilities.
• Hands-on experience with Apache Camel or equivalent enterprise integration frameworks.
• Minimum of 4 years of experience with AWS or equivalent cloud services.
• Strong hands-on AI/GenAI implementation experience in enterprise or production-grade applications.
• Understanding of responsible AI and secure AI engineering practices.
• Experience with observability and analytics tools.
• Experience in agile delivery environments, CI/CD, automated testing, and production support.
• Knowledge of software engineering best practices.
• Strong analytical and problem-solving skills.
• Must be self-motivated, collaborative, and able to communicate effectively with various stakeholders.

Preferred Qualifications:

• Experience in designing and developing enterprise notification, communication, or eventing platform solutions.
• Experience with Twilio or similar messaging platforms.
• Experience applying AI to communication use cases.
• Experience with AI observability and production monitoring of AI-enabled features.
• AWS certification or equivalent.
• Experience in high-scale, 24x7 production environments.
• Domain experience in airline, travel, customer platforms, or crew operations.

Key Responsibilities

• Design and implement core services for the enterprise Notifications platform.
• Write, review, debug, and optimize production code actively.
• Build cloud-native backend services using Java, Spring Boot, and AWS services.
• Develop and integrate AI/GenAI capabilities.
• Prototype and validate AI-enabled features while considering various operational aspects.
• Design solutions for high availability, scalability, performance, and compliance needs.
• Troubleshoot and resolve complex production issues.
• Collaborate with architects, product owners, and development teams to convert requirements into solutions.
• Contribute to technical design, documentation, code reviews, and automated testing.
• Ensure solutions align with engineering standards and best practices.
• Mentor developers through best practices while focusing on hands-on delivery.

Additional Information

Eligibility: USC, GC, L2S, EADs

Role Type: Senior hands-on individual contributor role within the Notifications platform team, focusing on hands-on engineering delivery and AI-enabled platform implementation. This is not a management role.