Jobs in the United States

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Added 19 hours ago
Cloud Design Engineer, Level 2
Avalore, LLC
Annapolis Junction, MD
…develops, maintains, and enhances complex and diverse Web-Based User Interfaces that interact with BigData Cloud systems based upon documented requirements. Directly contributes to all…
Added 19 hours ago
Software Engineer, Level 2
Avalore, LLC
Annapolis Junction, MD
Clearance: Active TS/SCI with an appropriate current polygraph is required to be considered for this role; Ability to receive privileged access rights.
Added 19 hours ago
Software Engineer, Level 3
Avalore, LLC
Annapolis Junction, MD
Clearance: Active TS/SCI with an appropriate current polygraph is required to be considered for this role; Ability to receive privileged access rights.
Added 19 hours ago
User Experience Designer, Level 2
Avalore, LLC
Annapolis Junction, MD
Clearance: Active TS/SCI with an appropriate current polygraph is required to be considered for this role; Ability to receive privileged access rights.
Added 1 day ago
MG
SIGINT Product Engineer - TS/SCI w CI Poly
Modern Government Solutions
Chantilly, VA
- $160,000 to $200,000 USD / year
CLEARANCE REQUIRED: Active TS/SCI with CI Polygraph
Added 1 day ago
Backend Developer
AEEC
Reston, VA
Investigate and resolve production issues across the user interface, backend services, database, and application deployment
Added 1 day ago
AI Engineer
AEEC
Reston, VA
Investigate and resolve production issues across the user interface, backend services, database, and application deployment
Added 1 day ago
Expert Level Systems Engineer
SHINE Systems & Technologies
Fort Belvoir, VA
Assists with the planning, analysis/traceability of user requirements, architectures traceability, procedures, and problems to automate or improve existing systems and review cloud service…
Added 1 day ago
Program Director, Space Electromagnetic Warfare
GRVTY
Sterling, VA
The role is the primary interface to government acquisition customers and the operational user community. It also aligns the supply chain and internal functions (engineering, contracts,…
Added 1 day ago
Java Developer
CACI International
Sarasota, FL
Must be a U.S. Citizen with the ability to obtain a TS/SCI with polygraph
Added 1 day ago
Java Developer
CACI International
Sarasota, FL
Must be a U.S. Citizen with the ability to obtain a TS/SCI with polygraph
Added 2 days ago
Software Platform Engineer I (Onsite)
RTX
United States
Knowledge or experience with Linux, Windows, or related system operating systems at the command line interface
Added 2 days ago
Backend Developer 810
Freedom Technology Solutions Group
Annapolis Junction, MD · Columbia, MD
Investigate and resolve production issues across the user interface, backend services, database, and application deployment.
Added 2 days ago
AI Engineer 811
Freedom Technology Solutions Group
Annapolis Junction, MD · Columbia, MD
Investigate and resolve production issues across the user interface, backend services, database, and application deployment.
Added 2 days ago
Backend Developer
Integrity Technology Consultants, Inc.
Annapolis Junction, MD
…enable our customers to solve the most challenging problems. With continued growth comes opportunity, and we are currently searching for a Top-Secret SCI with polygraph-cleared Expert-level…
Added 2 days ago
AI Engineer
Integrity Technology Consultants, Inc.
Annapolis Junction, MD
…enable our customers to solve the most challenging problems. With continued growth comes opportunity, and we are currently searching for a Top-Secret SCI with polygraph-cleared Expert-level…
Added 2 days ago
Research & Development Electrical Engineer
Trinzic
Beavercreek Township, OH
Security Clearance: Active TS clearance with SCI Eligibility, with consent to future polygraph testing
Added 2 days ago
Deputy Chief Enterprise Architect - TS/SCI with Polygraph
GD Information Technology, Inc.
United States
Coordinate with requirements analysts on requirement quality, acceptance criteria, change control, stakeholder decisions, and evidence of user/mission value.
Added 3 days ago
Research & Development Electrical Engineer
KBR Wyle Services, LLC
Beavercreek Township, OH
Security Clearance: Active TS clearance with SCI Eligibility, with consent to future polygraph testing
Added 3 days ago
Senior DevOps Engineer - Top Secret
General Dynamics Information Technology
Saint Louis, MO
+ TS/SCI Clearance with Polygraph. Can sponsor for polygraph.
Added 3 days ago
Cross Domain Systems Engineer, Senior
BOOZ, ALLEN & HAMILTON, INC.
Washington, DC
…only design and develop these systems, but also evolve them with advanced technological solutions. You will lead customer e nga gement to capture, define, and understand user and security…
Added 3 days ago
Launch Readiness and Rehearsal Support_TS/SCI w/ poly
GD Information Technology, Inc.
United States
● Security clearance level: TS/SCI with polygraph
Added 3 days ago
Senior Systems Engineer
GRVTY
Aurora, CO · Sterling, VA
Active or current Top-Secret clearance with SCI access and polygraph (TS/SCI with poly).
Added 3 days ago
Software Developer (Systems Software)
GRVTY
Chantilly, VA
GRVTY is seeking a Software Developer (Systems Software) with a TS/SCI + Poly clearance (applicable to this customer) to join one of our top projects in Chantilly, VA. The Sponsor provides…
Added 3 days ago
ServiceNow Developer
Peraton
Herndon, VA
Active TS/SCI clearance with the ability to obtain and maintain a polygraph.(U.S. Citizenship Required)

AEEC

Backend Developer

Reston, VA, United States

$160,000 – $185,000

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Job details

Pay: $160,000 – $185,000
Posting language: English
Posted: Nov 5, 2026

Original job description

Welcome to Verdantas, where innovation meets sustainability, and your career finds purpose!

At Verdantas, we’re redefining environmental consulting and sustainable engineering through our use of cutting-edge modeling and digital technology and our genuine commitment to people. Our work spans high-growth sectors like water resources, resilient land use, energy transformation, and civil infrastructure.

Our commitment to excellence, across more than 90 offices, is championed by a team of over 2,000 experts, scientists, engineers, geologists, and technical specialists, embedded in a people-focused culture, prioritizing the well-being of our employees, clients, and the communities we serve. We partner with clients to deliver smart, data-driven solutions to complex environmental and infrastructure challenges. We don’t just solve problems; we help shape a more sustainable future.

Join a people-first culture that values your well-being, empowers your growth, and amplifies your impact. At Verdantas, your career goes beyond the expected, and your work helps build a better world.

Ready to shape the future of resilient communities?

We are seeking a skilled and security-cleared Backend Developer to join our team. This role is central to our engineering infrastructure, responsible for designing, building, and maintaining the server-side systems that power our mission-critical applications. The ideal candidate brings deep technical expertise, a collaborative mindset, and a proven ability to operate within classified environments. This is a hybrid position requiring on-site presence 2-3 days per week.

What You’ll Do:

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 and authorization integration
Use Pydantic for data validation and SQLAlchemy for database access and object-relational mapping in Python services
Design and maintain PostgreSQL schemas, queries, indexes, and database migrations, with attention to performance and data integrity
Build and maintain Docker images and deploy, configure, and troubleshoot applications in OpenShift
Investigate and resolve production issues across the user interface, backend services, database, and application deployment
Work with customers, product owners, and other stakeholders to clarify requirements, identify dependencies, and estimate implementation effort
Participate in technical design and code reviews, write automated tests, and maintain technical documentation
Mentor developers and collaborate with operations and security teams to support reliable application delivery

What You’ll Bring:

A bachelor’s degree may be substituted for 4 years of experience, and a master’s degree may be substituted for 6 years of experience
9 Years of experience in software or systems engineering or a highly related field of work with similar scope and responsibilities
TS/SCI Clearance with Active CI Polygraph
Strong experience developing backend services and REST APIs
Experience developing and maintaining backend applications and services using Python
Proficiency with PostgreSQL, including relational data modeling, SQL, schema migrations, indexing, and query optimization
Understanding of OpenSeach data structures, indexing, and querying
Hands-on experience with Docker, including writing Dockerfiles, building images, and troubleshooting containers
Strong communication skills and the ability to translate business and customer needs into clear technical requirements

Preferred:

Deep expertise of Python and API design
Familiarity with Software development within the Department of War
Familiarity with Linux environments and Kubernetes concepts
Experience configuring CI/CD pipelines and automating application deployments
Experience improving application security, accessibility, performance, and reliability
Experience working in an Agile development environment and coordinating with product, operations, and security teams

Salary Range:

$160,000 – $185,000

Benefits:

Flexible Work Environment
Paid Parental Leave
Medical
Dental
Vision
Life and AD&D Insurance
Short-Term and Long-Term Disability
401(k) with Company Match
Paid Time Off + Holidays

Verdantas strives to develop new ways to increase diversity awareness within our organization. We recruit and reward our employees based on capability and performance - regardless of race, gender, sexual orientation, gender identity or expression, lifestyle, age, educational background, national origin, religion, or physical ability. For us, it is imperative to build balanced teams from all walks of life and we believe that a diverse workforce is a stronger workforce.

Verdantas is an EOE race/color/religion/sex/sexual orientation/gender identity/national origin/disability/vet

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