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