Senior Backend Software Engineer

About the role

Auctane is seeking an experienced Senior Backend Engineer to join our engineering team. In this role, you'll architect and build scalable backend systems that power our applications, working across our modern tech stack to deliver robust, high-performance solutions. This position is focused on the Stamps.com brand and is hybrid (3 days per week in office) located in Austin, TX.

Responsibilities

• System Architecture & Design: Architect, build, and maintain scalable, robust backend services and microservices using C# and .NET.
• API Development: Create and consume secure REST APIs for seamless communication between backend services and front-end/mobile applications.
• Database Management: Design, query, and optimize relational databases (both SQL and NoSQL).
• Code Quality & Best Practices: Conduct rigorous code reviews, enforce engineering standards, and write clean, maintainable, production-ready code.
• Mentorship: Provide technical guidance, support, and mentorship to mid-level and junior developers.
• DevOps & Cloud: Collaborate with the infrastructure team to configure CI/CD pipelines, deploy applications to the cloud (AWS), and maintain different environments.
• Testing: Develop and maintain unit tests and integration tests to ensure application reliability.
• Leverage AI-assisted development tools (e.g., GitHub Copilot, Claude) to accelerate development while maintaining code quality and security standards.

Requirements

• 5+ years of backend development experience.
• Bachelor’s Degree in Computer Science.
• Proven track record of building and scaling production applications.
• Strong problem-solving abilities and attention to detail.
• Experience mentoring junior developers.
• Demonstrated ability to use AI tools responsibly to enhance productivity.

Skills

Required Technologies

• .NET: Strong proficiency in .NET, including ASP.NET Core, Entity Framework Core, and building RESTful APIs. Experience with C# design patterns and async programming.
• AWS: Hands-on experience deploying and managing services on AWS, including EC2, Lambda, RDS, S3, CloudFront, SQS, and API Gateway. Familiarity with infrastructure as code (Terraform, CloudFormation, or CDK).
• React: Some experience with front-end JavaScript component libraries such as React.

Additional Skills

• Strong understanding of database design (both SQL and NoSQL).
• Experience with containerization (Docker) and orchestration.
• Knowledge of authentication/authorization patterns (OAuth, JWT).
• Understanding of microservices architecture and distributed systems.
• Proficiency with Git and CI/CD pipelines.
• Experience with monitoring, logging, and performance optimization.

Nice to Have

• TypeScript.
• Experience with event-driven architectures and message queues.
• Knowledge of caching strategies (Redis, CDN).
• Background in DevOps practices.
• Experience integrating AI capabilities into applications (OpenAI API, Claude API, or AWS Bedrock).

Benefits

• Hybrid work schedule (3 days per week in office).
• Flexible Time Off policy.
• 12 paid holidays for US employees.
• 401k employer matching program.
• Annual merit reviews.
• Company events and team-building activities.
• Attractive office space in central Austin with free drinks and snacks.
• Weekly catered lunches.
• Comprehensive health and wellness benefits, including medical, dental, and vision plans.
• On-site fitness center with Tonal Mirrors, Pelotons, free weights, etc.
• Employee Assistance Program with up to 8 free mental health sessions.
• Gym discounts.
• Education reimbursement.
• Employee Referral Program with rewards for referring top talent.

Additional Position Duties

The following duties may be regularly required for all employees, except those with medical accommodation:

• Sit for prolonged periods of time.
• Utilize wrist and hands for a prolonged period of time.
• Walk short distances.
• Stand for short periods.
• Speak and converse with others.
• Lift up to 25 lbs without assistance up to chest height.