Job Title: Sr. Backend Software Developer

Job Location: Remote – Must be in the DC Metro Area

Compensation: $90-100/hr

Eligibility/Clearance: US Citizenship Required -Public Trust, this
opportunity supports a government contract

Job Description:

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 (include but are not limited to):

- 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