Senior Software Engineer

Job Summary 
Our client, a leading airline company, is seeking a Senior Software Engineer to join a high-performing technology team focused on building reliable, scalable, and secure digital products that support the airline's business. This role will design, develop, test, deploy, and maintain large-scale software solutions using Java, Spring Boot, Microservices, Kafka, cloud platforms, and MongoDB. The ideal candidate will bring strong software engineering fundamentals, a focus on reliability and performance, and the ability to mentor other engineers while helping the team adopt modern engineering practices.

This position is W-2 only. We do not work with third-party firms or C2C arrangements for this role. 

Contract Details

• Contract type: Contract
• Length: 4 months

Core Responsibilities

• Design, develop, test, document, and implement large-scale software solutions in production environments
• Develop and maintain Java/Spring Boot microservices and event-driven applications using Kafka
• Design and implement solutions using MongoDB and other persistent storage technologies
• Build and integrate applications with REST and other APIs
• Deploy and support applications across AWS and/or Azure cloud environments
• Conduct root cause analysis and develop solutions to improve system reliability, resiliency, security, and performance
• Design self-contained services and lead the implementation of significant capabilities within existing systems
• Break down complex technical designs into maintainable solutions that can be implemented by engineers across different experience levels
• Develop test strategies, automated tests, and system instrumentation to monitor application availability, latency, and overall production health
• Identify potential security vulnerabilities and attack surfaces and implement appropriate mitigation strategies
• Proactively address vulnerabilities and follow security and compliance best practices throughout the development lifecycle
• Promote small, incremental releases that deliver business value quickly while reducing deployment risk
• Identify opportunities to improve existing systems, processes, architecture, and engineering practices
• Promote code and solution reusability across the organization
• Participate in Agile/Scrum ceremonies, design discussions, code reviews, and technical planning
• Mentor and coach other engineers and help develop technical skills across the team
• Collaborate with cross-functional teams to communicate technical concepts through documentation, diagrams, code, and presentations

Required Skills/Experience (Must-Haves)

• Bachelor's degree in Computer Science, Computer Engineering, Information Systems, Engineering, or a related technical field, or equivalent experience/training
• 7+ years of professional software engineering experience designing, developing, and implementing large-scale production solutions
• Strong hands-on experience with Java
• Strong experience with Spring Boot and Microservices architecture
• Hands-on experience with Apache Kafka and event-driven architectures
• Experience with MongoDB or other persistent storage technologies
• Experience developing and supporting applications in AWS and/or Azure cloud environments
• Airline industry experience

• Master's degree in Computer Science, Computer Engineering, Information Systems, Engineering, or a related technical field
• Front-end development experience with Angular or React
• Experience with Kubernetes and Docker
• Experience with GitHub and Azure DevOps
• Experience with GitHub Actions or Azure DevOps CI/CD pipelines
• Experience with REST, GraphQL, and API integrations
• Test automation experience with tools such as Selenium, TestNG, Postman, SonarQube, Cypress, JUnit/NUnit, PyTest, Cucumber, Playwright, WireMock, Mockito, or Moq
• Experience with DevOps and continuous integration/continuous deployment practices
• Experience mentoring engineers and leading technical implementations

• Problem-Solving Skills
• Systems Thinking
• Cross-Functional Collaboration
• Software Design Excellence
• Quality-Driven Mindset
• Continuous Improvement

Work Environment 

• Location: Fort Worth, TX
• Work Model: Hybrid 

Compensation & Benefits 

• Pay Range: The approximate pay range for this position is between $39.00 and $56.00. Please note that the pay range provided is a good faith estimate. Final compensation may vary based on factors including but not limited to background, knowledge, skills, and location. We comply with local wage minimums. 
• Medical, Dental, & Vision Insurance Plans
• Employee Stock Ownership Plan 
• 401K offered 

About KellyMitchell 
At KellyMitchell, our culture is world class. We’re movers and shakers! We don’t mind a bit of friendly competition, and we reward hard work with unlimited potential for growth. This is an exciting opportunity to join a company known for innovative solutions and unsurpassed customer service. We're passionate about helping companies solve their biggest IT staffing & project solutions challenges. As an employee-owned, women-led organization serving Fortune 500 companies nationwide, we deliver expert service at a moment's notice. 

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