Sr. Software Engineer II – Back End - Access Control

AXS; Cleveland (OH); On-site; USD 131,400 - 148,500; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Paid holidays, vacation, and sick time

401(k) plan with employer match

Training and education reimbursement

Employee Resource Groups for professional growth

Job summary

AXS is seeking a Sr. Software Engineer II to develop and scale backend ticketing systems for the LA28 Olympic Games. The ideal candidate has over 6 years of experience, a strong command of C# and .NET, and a passion for building resilient applications that handle extreme traffic.

This full-time role is based in Cleveland, offering a lucrative salary and comprehensive benefits from day one of employment.

Join AXS to help create unforgettable experiences for fans!

Qualifications

• 6+ years of software engineering experience.
• Proven ability to lead implementation of large features or systems.
• Strong understanding of system design and distributed architecture.

Responsibilities

• Lead the implementation of large features from design through delivery.
• Contribute to architectural discussions and shape technical direction.
• Design and deliver enhancements for our global ticketing platforms.

Skills

C#

.NET Core

Relational Databases

Docker

APIs

Infrastructure as Code

Education

BS in Computer Science or related field

Tools

SQL Server

PostgreSQL

MySQL

Oracle

AWS

Job description

Sr. Software Engineer II – Back End - Access Control

Cleveland, OH

AXS connects fans with the artists and teams they love. Each year we sell millions of tickets to thousands of incredible events – from concerts and festivals to sports and theater – at some of the most iconic venues in the world. Since our founding in 2011, we’ve consistently pushed the industry forward and improved experiences for fans, making it easier than ever to discover events, find the perfect seats, and enjoy unforgettable live entertainment.

The Role

AXS is looking for a Sr. Software Engineer to join our team and help power experiences for the LA28 Olympic and Paralympic Games. In this role, you’ll build and scale the ticketing systems that connect millions of fans to unforgettable moments.

What You'll Be Doing

• Lead the implementation of large features or subsystems from design through delivery
• Actively contribute to architectural discussions and help shape long-term technical direction
• Design and deliver new features and enhancements for our global ticketing platforms
• Build resilient, high-performance applications that scale seamlessly during extreme traffic spikes
• Create and maintain services that power our core infrastructure, including APIs for mission‑critical products
• Develop scalable modules for both internal systems and external partner integrations
• Partner with third‑party providers to create seamless, end‑to‑end experiences for customers and fans
• Take ownership of technical quality, scalability, and system reliability
• Write clean, consistent, and well‑tested code using modern open‑source languages and frameworks
• Participate in design and code reviews to uphold best practices and maintain high code quality
• Collaborate closely with engineers, architects, product managers, and business stakeholders to deliver innovative, high‑impact solutions
• Mentor team members and provide technical guidance to elevate the team’s capabilities
• Drive continuous improvements in team workflows, tools, and engineering practices

What to Bring

• 6+ years of professional software engineering experience, including ownership of large features or systems
• BS in Computer Science or a related technical field (or equivalent practical experience)
• Deep understanding of system design, distributed architecture, and engineering trade‑offs
• Strong command of the software development lifecycle, including design, testing, deployment, and observability
• Expertise in C# and .NET Core, with a strong grasp of the surrounding ecosystem
• Proven track record of designing, scaling, and versioning RESTful APIs within distributed microservices architectures
• Strong experience with relational databases (SQL Server, PostgreSQL, MySQL, or Oracle), including performance tuning and data modeling
• Hands‑on experience with containerization (Docker) and Infrastructure as Code (IaC) in cloud environmentsTrack record of building and operating high‑scale, high‑availability transactional systems
• Demonstrated ability to quickly learn and apply new technologies in complex environments
• Excellent communication skills, with the ability to influence technical decisions across teams
• High ownership mindset with strong accountability for system quality, scalability, and reliability
• Thrives in fast‑paced environments, balancing immediate delivery with long‑term architectural health

Nice to Have

• Experience building and maintaining multi‑platform SDKs or shared codebases
• Experience with Kotlin Multiplatform or Kotlin Native
• Experience with modern front‑end frameworks such as React or Angular
• Familiarity with designing cohesive experiences across web and mobile platforms
• Experience working with AWS and cloud‑native architectures
• Experience with Infrastructure as Code tools such as Terraform
• Experience with event‑driven systems (e.g., Kafka) and asynchronous architectures
• Proficiency with Git and modern CI/CD pipelines
• Experience with test‑driven development (TDD) and/or behavior‑driven development (BDD)
• Experience with NoSQL technologies such as Elasticsearch or DynamoDB
• Domain experience in ticketing, inventory management systems, or e‑commerce platforms

Pay Scale

Pay Scale: $131,400–$148,500

Bonus

Bonus: This position is eligible for a bonus under the current bonus plan requirements.

Benefits

Benefits: Full‑time: We offer a comprehensive benefits package that includes medical, dental and vision insurance, paid holidays, vacation and sick time, company‑paid basic life insurance, voluntary life insurance, parental leave, 401(k) plan (with a current employer match of 3%), flexible spending and health savings account options, and wellness offerings. Currently, full‑time employees are eligible for these benefits on the first day of employment.

*Employer does not offer work visa sponsorship for this position.

*There will be an in‑person onsite component as part of our interview process.

What’s in it for You?

• Extraordinary People – we’re not kidding!
• Meaningful Mission – Helping revolutionize an industry and deliver better experiences for fans and clients around the world.
• Development and Learning – Opportunities for learning and leveling up through training and education reimbursement.
• Community & Belonging – A range of Employee Resource Groups (ERGs) that foster connection, inclusion, and professional growth. Access to meaningful volunteer opportunities and community engagement programs to make a positive impact beyond the workplace.

Equal Employment Opportunity Statement

AEG's policy is to hire the most qualified applicants, and we comply with all applicable federal, state and local employment laws in making hiring and employee decisions. We are an equal opportunity employer and do not discriminate against applicants or employees on the basis of race, color, marital status, disability, religion, age, sex, sexual orientation, national origin, genetic information, veteran status, or any other legally protected status recognized by applicable federal, state or local law.