503 Backend Software Engineer jobs in Washington,DC

New, Posted 19 hours ago

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Lead, Software Engineer

L3Harris Technologies Careers

Chantilly, VA 20152

Bilingual Preferred

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Backend Developer, Data Platform

Vantor

Reston, VA 20190

$113,000-$188,000/yr

Hybrid~ 30 minEducation AssistanceHealth InsuranceRetirement Benefit

To be eligible for this position, you must be a U.S. Citizen.
This position requires an active U.S. Government Security Clearance at the TS/SCI level with CI Polygraph.
_Export Control/ITAR:_ Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).
Current/active TS/SCI with a current CI polygraph or be willing and able to obtain a CI polygraph.
5+ years of professional software engineering experience, with strong backend development skills
Strong proficiency in Python
Experience building backend systems, APIs, or distributed services in production environments
PostgreSQL and Elasticsearch proficiency
Familiarity with AWS, especially S3, RDS, and other data centric services
Bachelor's degree in a related field, e.g. Computer Science, Systems Engineering or equivalent experience
Understanding of software engineering fundamentals including testing, version control, CI/CD, and system design

SmartExplore AI is experimental.

New, Posted 19 hours ago

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IT Senior Software Developer - Full Stack (Python and JavaScript)

Guidehouse Careers

Rockville, MD 20850

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Cyber Software Engineer

ManTech

Herndon, VA 20170

New, Posted 1 day ago

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Permits Manager for Region, DC Design Engineering

Amazon Data Services

Herndon, VA 20170

~ 34 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

6+ years of data center design, construction, operations, or facility maintenance experience
6+ years of industrial or commercial engineering in mission critical facilities including but not limited to: data centers, power generation or oil and gas facilities experience
Bachelor's degree in Engineering or a related field
Knowledge of critical data center mechanical and electrical equipment
Experience in data center design, construction, operations, or facility maintenance
Experience researching new designs, technologies, and construction methods of data center equipment and facilities

SmartExplore AI is experimental.

New, Posted 1 day ago

Easy Apply

Senior Software Developer (Red Team)

Oak Grove Technologies Llc

Fort Belvoir, VA 22060

~ 27 min OnsiteHealth InsurancePaid Time Off

U.S. Citizenship and an active Top Secret clearance with SCI eligibility are required
Bachelor's degree in a relevant field
10+ years combined education/experience in software development, systems engineering, offensive security or cyber operations
3+ years of experience with C/C++/C# software development, including expertise in red team / offensive cyber operations capability development for Windows
Development and use of Command-and-Control (C2) frameworks/capabilities, especially Cobalt Strike
Ability to pass the Advanced Cyber Red Team Senior Developer Aptitude Test (SDAT) prior to onboarding
Willingness and ability to travel 15% (CONUS/OCONUS)

SmartExplore AI is experimental.

New, Posted 1 day ago

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Subject Matter Expert Level III / Senior Network Architect

GovCIO LLC

Bethesda, MD 20817

$149,841/yr

Hybrid~ 25 min

Bachelor's Degree in Computer Science, Information Systems, Engineering or other related discipline
Have at least one of the Cisco CCIE certifications, both the written and practical
Within each of the Cisco Certifications, the following specializations are needed and listed in order of importance: Routing and Switching, Service Provider, Data Center, and Wireless
Experience required is 8‐plus years in Network Services
Must be able to obtain a Public Trust

SmartExplore AI is experimental.

iHire

Sr Director, AI Engineering

Capital One

Mc Lean, VA 22101

New, Posted 6 hours ago

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Network Engineer - Top Secret Clearance (SCI Eligible)

JFL CONSULTING LLC

Washington, DC 20392

HybridHealth InsurancePaid Time OffRetirement Benefit

Top Secret Clearance (SCI Eligible)
Mid-Level (3-8+ years)

SmartExplore AI is experimental.

New, Posted 7 hours ago

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Prototype Machinist (Mech Tech H 2) - 27566

HII

Alexandria, VA 22314

~ 23 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

2 years of related experience with High School diploma/GED and/or certification in assigned area preferred
Experience programming and operating CNC tools
Must be experienced using conventional lathes and milling machines
Must be proficient in the use and reading of various measurement devices including but not limited to rulers and scales, micrometers, calipers, gauges, etc.
Experience reading and interpreting engineering drawings

SmartExplore AI is experimental.