Senior Dev with Python Y React jobs in Hannover

Reston, VA Contract Apr 15, 2026 Data Analyst/Developer - We are hiring a Data Analyst/Developer to join our team. Your main tasks will include Troubleshooting data variances and failures to identify the root cause of issues using the available documentation (STTM). Providing solutions to resolve th

Vantor

$113,000 - $188,000 /year

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what’s happening now and shape what’s coming next. Vantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world diff

Developer-T4 (Sr. AI Platform Developer) 7-8 months, must be willing to convert to FTE in October 2026 Herndon, VA/Hybrid, must be in office at least 4 days per week with the expectation that there maybe weeks where 5 days are required. Description: Sr. AI Platform Developer (Years of Experience: 7-

Who We’re Looking For (Position Overview): Spry Methods is on the search for an AI Platform Developer (Mid-Level) to support the design, development, and deployment of advanced AI/ML solutions. The role involves building scalable AI platforms, collaborating with cross-functional teams, and deliverin

About Peraton Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly

Why Karsun? Join Karsun Solutions to grow your career with the company transforming possible for the US Government. At Karsun, collaboration drives our community. We’re committed to building an environment where team members from diverse backgrounds can innovate, learn and grow with us. Here at Kars

Position: Appian Lead Developer Location: Reston, VA. Experience: 13+ Years Work type: C2C PETADATA is currently looking to hire for the position of Appian Lead Developer for one of their clients. Roles & Responsibilities The Ideal candidate should develop and test user management business proce

Job Title: Financial Systems Software Developer (Public Sector) Location: Remote considered Type: Contract Compensation: Negotiable, W-2 or C2C ALL RESIDENCE STATUS MAY APPLY Responsibilities Support, maintain, and enhance custom-built and legacy financial applications, often with minimal documentat

Cardinal Technology Systems

Responsibilities Cardinal Technology Systems Corp. is a government IT solutions provider servicing commercial and government initiative in various parts of the United States. We are currently seeking a Senior Software/Application Developer to work for our company. Summary Eligibility to obtain a U.S

Description Do you dream in code? Do you get excited about finding solutions to adapt to every possible email browser? Is “responsive” your middle name? If so, we need to talk. ICF Next is looking for an On-Call Sr. Email Developer who enjoys coding those awesome responsive emails and gets excited w

Job ID: 2611501 Location: Ashburn, VA, US Date Posted: 2026-04-15 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is

Aalacom Technologies

Role : Java Developer Location: West Chester,PA Duration : 12+ Months Responsibilities and Duties Independently handle end to end feature development and resolve challenges faced in implementing the same Keen to learn new technologies and implement the same in feature development within the time fra

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower empl

Description HyerTek is a growing federal technology consulting firm delivering secure Microsoft-based enterprise solutions, data analytics, and modernization services to government agencies. With deep expertise across Microsoft Dynamics, Power Platform, Power BI, and secure federal IT delivery, we h

Position Description & Qualifications Serco supports the USAF as a prime for their NexGen IT contract. Serco supports the Air Force (AF) Civil Engineering (CE) community NexGen IT initiative’s implementation of IBM TRIRIGA is the largest in the world. Serco manages all aspects of the Software De

Description Do you dream in code? Do you get excited about finding solutions to adapt to every possible email browser? Is “responsive” your middle name? If so, we need to talk. ICF Next is looking for an On-Call Sr. Email Developer who enjoys coding those awesome responsive emails and gets excited w

ICF

$74,090 - $125,954 /year

Do you dream in code? Do you get excited about finding solutions to adapt to every possible email browser? Is “responsive” your middle name? If so, we need to talk. ICF Next is looking for an On-Call Sr. Email Developer who enjoys coding those awesome responsive emails and gets excited when new codi

Job ID: 2611499 Location: Ashburn, VA, US Date Posted: 2026-04-15 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_ON_SITE Description SAIC is

Who is Stanley Martin Homes? At Stanley Martin Homes, we believe your work should have a purpose. With us, it truly does. Our success starts with our people, and we are proud to foster a culture where every team member is valued and supported. At Stanley Martin Homes, you will work alongside passion

Job Title: Sr. AI Platform Developer Job Location: Herndon, VA Job Type: Contract Job Description: Programming Languages: Mastery of Python is essential, with R, Java, and C also being highly valuable. Machine Learning (ML) & Deep Learning (DL): You'll need a deep understanding of ML concepts (s