Sr. Backend Software Developer

About Us

We are seeking a highly experienced and skilled Senior Backend Engineer to join our team. The ideal candidate will possess a deep understanding of backend architecture, microservices, and cloud-native deployments, with a proven track record of delivering robust and scalable solutions. This role requires an individual who can thrive in environments with evolving requirements and limited documentation, demonstrating strong problem-solving and independent work capabilities.

Responsibilities

• Design, develop, and maintain highly scalable and performant microservice applications, including complex case management systems with secure user authentication.
• Lead the development of backend services using Python, leveraging frameworks such as FastAPI, and managing database migrations with SQLAlchemy and Alembic.
• Manage and optimize PostgreSQL databases, ensuring data integrity, performance, and scalability.
• Implement and maintain containerized applications using Docker and orchestrate deployments with Kubernetes.
• Architect and manage cloud infrastructure on AWS, utilizing services like ECS, ECR, Fargate, SQS, and Secrets Manager.
• Work effectively with ambiguous requirements, demonstrating the ability to independently define solutions and drive projects forward.
• Troubleshoot and resolve complex production issues across various system components and environments.
• Contribute to architectural discussions and guide the technical direction of backend systems.

Requirements

• 10+ years of professional experience in building and deploying microservice applications, including experience with case management systems and user authentication.
• Expert-level proficiency in Python, including extensive experience with FastAPI, SQLAlchemy, and Alembic.
• Proven experience deploying backend microservices for public applications using AWS tools like ECS or EKS.
• Strong expertise in PostgreSQL database design, optimization, and administration.
• Proficiency in containerization technologies (Docker) and orchestration platforms (Kubernetes).
• In-depth knowledge and hands-on experience with AWS services, including ECS, ECR, Fargate, SQS, and Secrets Manager.
• Demonstrated ability to work effectively with vague requirements and limited documentation, translating business needs into technical solutions.
• Proficiency in Linux environments.
• Excellent problem-solving, analytical, and communication skills.

Education

• Bachelor's degree is required

Other

Arena Technical Resources, LLC, (ATR) is an Equal Opportunity Employer (EOE) who will provide equal employment opportunity to employees and applicants for employment without regard to race, ethnicity, religion, color, sex, pregnancy, national origin, age, veteran status, ancestry, sexual orientation, gender identity or expression, marital status, family structure, genetic information, or mental or physical disability.