Senior Python Developer

Aretum; McLean (VA); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Health Care Plan (Medical, Dental & Vision)

Retirement Plan (401k)

Paid Time Off

Training & Development

Job summary

Aretum is seeking a Senior Python Developer located in McLean, Virginia, to lead system integration of custom applications. The candidate must have at least 8 years of relevant Python development experience and proficiency with microservices, APIs, Agile methodologies, and container technologies. This role involves developing both front‑end and back‑end components, mentoring peers, and collaborating in a remote setting. Benefits include comprehensive health plans, retirement plans, and paid time off.

Qualifications

• 8+ years of solid Python development experience.
• 8+ years of overall (OOP) programming experience.
• Comfortable working with open source‑based solutions.

Responsibilities

• Work cross‑functionally in an Agile environment.
• Mentor peers and junior developers in Python design.
• Develop front‑end and back‑end code.

Skills

Python development experience

OOP programming experience

API development

Microservices

JavaScript

jQuery

Elasticsearch

Database technologies

Docker

Agile environment

Education

Bachelor's degree

Tools

Postgres

MySQL

Terraform

Job description

Job Summary

Senior Python Developer who will lead the integration of a custom application with client‑based systems. The role requires working cross‑functionally in an Agile environment, building FastAPI endpoints, creating microservices, and collaborating on both front‑end and back‑end development.

Responsibilities

• Work cross‑functionally in an Agile environment
• Build FastAPI endpoints for content display
• Create microservices
• Develop front‑end and back‑end code
• Mentor peers and junior developers in Python design
• Build ETL processes
• Operate in a highly collaborative environment
• Manage multiple tasks simultaneously
• Work independently and collaboratively as needed
• Utilize interpersonal and strong communication skills
• Work directly with the Project Manager to support emerging client needs

Requirements

• 8+ years of solid Python development experience
• 8+ years of overall (OOP) programming experience
• Bachelor's degree (or 2 additional years of experience)
• API development and integration experience
• Experience with microservices
• Experience with JavaScript and jQuery
• Experience with search engines such as Solr or Elasticsearch
• Experience designing and developing enterprise web and search systems
• Experience with enterprise database technologies such as Postgres and MySQL
• Experience building and managing container technologies such as Docker, Podman, Kubernetes, etc.
• Comfortable working with open source‑based solutions
• Familiar with enterprise use of Python
• Expertise in continuous integration/continuous delivery solutions
• Experience with large‑scale AWS‑based solutions and Terraform
• Proficiency in an Agile environment

Preferred Qualifications

• Bachelor's degree in computer science, engineering or related field
• Experience working with the federal government
• Experience with FastAPI (highly preferred)

Public Trust Eligibility Required

Applicants must be eligible for Public Trust or suitability determination as required by the agency’s background investigation.

Travel Requirements

Remote position; occasional travel may be required, less than 10% of the time, based on project needs, client meetings, team collaboration events, or training sessions.

U.S. Work Authorization

Applicants must be U.S. citizens or currently authorized to work in the United States on a full‑time basis. Sponsorship is not available. The position supports a federal government contract and requires the ability to obtain and maintain a Public Trust or suitability determination depending on the agency’s background investigation requirements.

Benefits

• Health Care Plan (Medical, Dental & Vision)
• Retirement Plan (401k)
• Life Insurance (Basic, Voluntary & AD&D)
• Paid Time Off
• Family Leave (Maternity, Paternity)
• Short Term & Long‑Term Disability
• Training & Development

EEO Statement

Aretum is committed to fostering a workplace rooted in excellence, integrity, and equal opportunity for all. We adhere to merit‑based hiring practices, ensuring that all employment decisions are made based on qualifications, skills, and ability to perform the job, without preference or consideration of factors unrelated to job performance. As an Equal Opportunity Employer, Aretum complies with all applicable federal, state, and local employment laws. We are proud to support our nation’s veterans and military families, providing career opportunities that honor their service and experience. If you require reasonable accommodation during the hiring process due to a disability, please contact [e-mail] for assistance. Equal Opportunity Employer / Veterans / Disabled.