Senior Backend Developer (TS/SCI) - Python, Docker, OpenShift

Integrity Technology Consultants; Maryland; Hybrid; USD 180,000 - 200,000; Full time

Benefits offered by this job

401K plan with company contributions (

11 Federal holidays

21 Days PTO

Medical, Dental, & Vision with company

Life, LTD and STD Insurance

Health Savings Accounts/ Flexible Sp/S

Referral Bonuses

Performance Bonuses

Tuition Assistance for Education,培训,和证

Career Development

Job summary

Integrity Technology Consultants is seeking a Senior Backend Developer to support a mission-driven IC customer. You will design, develop, and maintain backend services and REST APIs using Python, Docker, Kubernetes, OpenShift, OpenSearch, and PostgreSQL.

You will validate data with Pydantic and ORM with SQLAlchemy, while optimizing queries and migrations. The role requires TS/SCI with poly, 9+ years in software/systems engineering, and the ability to collaborate across product, operations, and

Qualifications

• Requires TS/SCI with polygraph clearance.
• Nine years of software or systems engineering experience required.
• Strong backend experience with Python and REST APIs.
• Proficiency in PostgreSQL including data modeling, migrations, indexing, and query optimization.
• Experience with OpenSearch data structures, indexing, and querying.
• Hands-on Docker experience: Dockerfiles, images, and containers.
• Ability to translate business needs into clear technical requirements for stakeholders.
• Experience configuring CI/CD pipelines and automating deployments.
• Familiarity with Linux environments and Kubernetes concepts.
• Experience in Agile development and collaboration with product, operations, and security teams.

Responsibilities

• Design, develop, and maintain backend functionality within applications using Python, Docker, Kubernetes, OpenSearch and PostgreSQL.
• Develop and maintain backend services and REST APIs, including request validation, error handling, and authentication/authorization integration.
• Use Pydantic for data validation and SQLAlchemy for database access and ORM.
• Design PostgreSQL schemas, queries, indexes, and migrations with performance and data integrity in mind.
• Build and maintain Docker images and deploy, configure, and troubleshoot applications in OpenShift.
• Investigate and resolve production issues across UI, backend, database, and deployment layers.
• Collaborate with customers, product owners, and stakeholders to clarify requirements and estimate effort.
• Participate in design reviews, write automated tests, and maintain technical documentation.
• Mentor developers and work with operations and security teams to ensure reliable delivery.
• Hybrid schedule with 2–3 days on-site per week; locations: Annapolis Junction, MD; Washington, DC; Reston, VA.

Skills

Python

API design

REST APIs

Docker

Kubernetes

PostgreSQL

SQLAlchemy

Pydantic

CI/CD pipelines

Agile

Linux

Education

Bachelor's degree (can substitute for 4 years experience)

Master's degree (substitution for 6 years experience)

Tools

OpenShift

OpenSearch

Job description

Integrity Technology Consultants is seeking a Senior Backend Developer to support a mission-driven IC customer. You will design, develop, and maintain backend services and REST APIs using Python, Docker, Kubernetes, OpenShift, OpenSearch, and PostgreSQL.

You will validate data with Pydantic and ORM with SQLAlchemy, while optimizing queries and migrations. The role requires TS/SCI with poly, 9+ years in software/systems engineering, and the ability to collaborate across product, operations, and