Jobs in the United States

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Added 1 day ago
A
DevOps Engineer
AnaVation
Chantilly, VA
- $92,905.44 to $218,324.12 USD / year
This position requires an active Top Secret (TS) clearance and the ability to obtain SCI access with a CI polygraph. This position is on-site in Chantilly, VA.
Added 1 day ago
A
AI Engineer SME
AnaVation
Chantilly, VA
- $95,352.72 to $212,566.06 USD / year
This position requires an active Top Secret (TS) clearance and the ability to obtain SCI access with a CI polygraph. This position is on-site in Chantilly, VA.
Added 1 day ago
Cyber Exploiter/Vulnerability Assessment Engineer (TS/SCI with Poly Required)
GCI
Chantilly, VA
…building and maintaining trusted and reliable partnerships with our customers and…
Added 2 days ago
Senior Software Engineer, Admin Services Lead
Parsons Government Services Inc.
VA
In a world of possibilities, pursue one with endless opportunities. Imagine Next!
Added 2 days ago
Senior Application Developer (Full Stack)
Belay Technologies
Fort Meade, MD
Belay Technologies is seeking a Senior Application Developer to join our intel team. You will operate as a Full Stack Software Engineer on the Enduring Targets, Global Technology section's…
Added 2 days ago
Software Development Engineer, US ADC Security
Amazon.com Services LLC
Herndon, VA
This position requires that the candidate selected be a US Citizen and obtain and maintain an active TS/SCI security clearance with polygraph.
Added 2 days ago
Software Development Engineer, US ADC Security
Amazon.com Services LLC
Herndon, VA
This position requires that the candidate selected be a US Citizen and obtain and maintain an active TS/SCI security clearance with polygraph.
Added 5 days ago
Systems Development Engineer II, US Amazon Dedicated Cloud Security Engineering
Amazon Web Services, Inc.
Herndon, VA
This position requires that the candidate selected be a US Citizen and must currently possess and maintain an active TS/SCI security clearance with polygraph.
Added 7 days ago
Software Engineer (Full Stack Focus)
Visionist, Inc.
Fort Meade, MD
Active Top Secret (TS/SCI) clearance with polygraph is required.
Added 9 days ago
Senior Software Engineer
Belay Technologies
Fort Meade, MD
…capabilities under compressed timelines. You will collaborate closely with cross-functional teammates, analysts, and security researchers operating within the offensive cyber space to…
Added 13 days ago
Application Engineer (Backend)
CACI International
Linthicum Heights, MD
Minimum Clearance Required to Start: TS/SCI with Polygraph
Added 13 days ago
Software Engineer-TS/SCI with Poly
CACI International
Linthicum Heights, MD
Minimum Clearance Required to Start: TS/SCI with Polygraph
Added 13 days ago
Software Development Engineer, US Amazon Dedicated Cloud Security
Amazon Web Services, Inc.
Herndon, VA
This position requires that the candidate selected be a US Citizen and must currently possess an active TS/SCI security. The position further requires that, after start, the selected…
Added 13 days ago
Intelligence Support Engineer
MANTECH
Annapolis Junction, MD
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968,…
Added 13 days ago
Senior DevOps Engineer
MANTECH
Annapolis Junction, MD
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968,…
Added 13 days ago
Senior Database Developer (Web Technologies & Data Migration)
Cornerstone Defense
Annapolis Jct, MD
Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Added 14 days ago
Application Engineer 4 (API)
Power3 Solutions
Linthicum Heights, MD
The developer will provide middleware and backend support to all system applications.
Added 14 days ago
Application Engineer 4 (API)
Themis Insight
Linthicum Heights, MD
The developer will provide middleware and backend support to all system applications.
Added 14 days ago
Application Engineer 4 (API)
FLASH Technology Group
Linthicum Heights, MD
The developer will provide middleware and backend support to all system applications.
Added 14 days ago
Principal Software Developer (Java, JavaScript, Docker)
Power3 Solutions
Fort Meade, MD
We are hiring a Principal Software Developer (Java, JavaScript, Docker) to work in the Ft. Meade, MD vicinity. Position location is subject to change based on central MD client's needs.
Added 14 days ago
Cyber Security Engineer 4
Base-2 Solutions, LLC
Bethesda, MD, MD
Active TS/SCI with ability to obtain a CI Polygraph.
Added 14 days ago
Cyber Security Engineer 3
Base-2 Solutions, LLC
Bethesda, MD, MD
Active TS/SCI with ability to obtain a CI Polygraph.
Added 14 days ago
Cyber Security Engineer 2
Base-2 Solutions, LLC
Bethesda, MD, MD
Active TS/SCI with ability to obtain a CI Polygraph.
Added 14 days ago
SME Systems Engineer
The Swift Group
United States
US citizenship with an active TS/SCI with Polygraph clearance
Added 16 days ago
Software Engineer-TS/SCI with Poly
CACI
Linthicum, MD · Linthicum Heights, MD · Linthicum Heights
Minimum Clearance Required to Start: TS/SCI with Polygraph

Themis Insight

Application Engineer 4 (API)

Linthicum Heights, MD, United States

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Job details

Posting language: English
Posted: Jun 18, 2026

Original job description

Themis Insight solves difficult business, IT, and analytic problems by addressing the whole problem – not just the symptoms – using interdisciplinary approaches that are both practical and innovative. We provide fresh alternatives to ordinary, mainstream consulting firms through small, highly skilled, and hand-picked teams that can meet clients' needs in any industry. Our broad interdisciplinary understanding allows us to provide the right solution, even if it is from outside the industry or traditionally defined problem space. We bring Public and Private, Civilian and Military expertise to every case.

We are hiring an Application Engineer 4 (API) to work in Linthicum Heights, MD. Position location is subject to change based on central MD client's needs.

Required: TS/SCI with a Polygraph

Description:

As part of the Secure the Enterprise initiative, develop capabilities to shift from the current manual system security evaluation and authorization process to a new model that emphasizes automation, streamlined processes and approvals, continuous monitoring and assessment, and network data gathering across the entire life cycle of a project.

Essential Duties and Responsibilities:

The Application Engineer (Backend) will provide the development, test, deploy, and sustainment of various Python based ReST end points, microservices, and data model management capabilities utilizing Django and Flask frameworks to interact with data models stored in MariaDB or MongoDB and send data upon request, in JSON format, to UI front ends.
The developer will provide middleware and backend support to all system applications.

Individual Capabilities/Experience Required:

All experience and education will be in a technical field directly related to the labor category being proposed and all diplomas, GED certificates, and degrees will be from accredited institutions. Twelve (12) years minimum experience and a High School Diploma/GED. Ten (10) years minimum experience and an Associate's Degree. Eight (8) years minimum experience and a Bachelor's Degree. Six (6) years minimum experience and a Master's Degree. Four (4) years minimum experience and a Doctorate's Degree.
Python
Docker
Experienced using Django or Flask
Database experience using MongoDB or MariaDB
ReST endpoint development
Micro service model

Individual Capabilities/Experience Desired:

AWS or other cloud experience
JSON and/or XML serialization
Jira
Confluence
Git version control
Agile

Themis Insight has all the PERKS!

You are our most valuable resource - your ambition, your knowledge, your creativity. We offer an industry-leading set of benefits to supplement your normal salary compensation. Themis Insight has you covered with flexible ways to balance work and home life, full health benefit premium coverage, and generous contributions toward your retirement.

Competitive health, dental, and vision plans with 100% paid premiums.
401k: We contribute 6% even if you don't!
Time Off: 11 standard holidays, and 25 days of PTO
Career Development: Get career counseling and individualized career development plans, including education and training.
Employee referral bonuses for successful hires

Themis Insight is an Equal Opportunity/Affirmative Action employer.

Themis Insight provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

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More about this job

Skills

Python
Microservices
Django
Flask
Data models
MariaDB
MongoDB
Docker
AWS
Jira
Atlassian Confluence
Git
Agile
Counselling
Recruitment

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