senior software engineer Jobs in ashburn, va

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Senior Software Test Engineer (Back-End)

Precision System Design Inc.

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Remote or Cleveland, Ohio, USA

Contract

Our Fortune 100 client is hiring for a Senior Software Test Engineer to work on back-end, database and API automation testing. You'll focus on validating APIs, databases, and system integrations within a high-impact financial systems project. Strong C#, SQL, and automation experience required. The ideal candidates will have prior experience developing automation frameworks in C#. This role can be done fully remotely following an EST work schedule. Does this sound like something you'd like to hea
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Posted 3 days ago | Updated 19 hours ago

IT App Solutions Architect SR/ AI/ML Engineer

Lumen Solutions Group Inc.

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Washington, District of Columbia, USA

Contract

Position Title: IT App Solutions Architect SR/ AI/ML Engineer Skillset: Key Technical Skills and Responsibilities AI/ML Development: Design and imple ment supervised and unsupervised models including regression, classification, clustering, time-series forecasting, and boosting methods. Build and fine-tune neural networks including CNNs, RNNs, and LSTMs. Generative AI: Develop and integrate solutions powered by LLMs and open-source foundation models. Evaluate and optimize model performance, late
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Posted 25 days ago | Updated 1 hour ago

Lead Software Engineer, Full Stack

Capital One

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McLean, Virginia, USA

Full-time

Lead Software Engineer, Full Stack Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging technologies. As a Capital One Lead
Posted 53 days ago | Updated 2 hours ago

Senior Staff Software Engineer, Backend (Consumer - Trading)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 35 days ago | Updated 6 hours ago

Senior Security Software Engineer - Cloud

NVIDIA Corporation

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Maryland, USA

Full-time

NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for more than 25 years. It's a unique legacy of innovation that's fueled by great technology-and amazing people. Today, we're tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU acts as the brains of computers, robots, and self-driving cars that can understand the world. Doing what's never been done before takes vision, innovation, and the world's best talent.
Posted 47 days ago | Updated 6 hours ago

Python Developer

CXI Staffing

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Reston, Virginia, USA

Full-time

Python Developer Full-Time (Hybrid) Reston, VAWe are seeking a local, skilled and experienced Python Developer to join our dynamic team in Reston, VA. This is a full-time role offering the opportunity to work on innovative solutions using modern data and cloud technologies. Key Responsibilities Design, develop, test, and maintain robust Python applications with high performance and scalability. Work with large datasets using libraries such as Pandas, NumPy, and PySpark. Leverage AWS services (e.
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Posted 1 day ago | Updated 7 hours ago

Software Lead Engineer Supervisor

SAIC

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Arlington, Virginia, USA

Full-time

Job ID: 2507172-ARLINGTON-VA Location: ARLINGTON, VA, US Date Posted: 2025-07-01 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: Yes Description SAIC is seeking a highly skilled and experienced Lead Engineer for our Legacy Software Baseline team. The ideal candidate will have a strong background in software development
Posted 11 days ago | Updated 4 hours ago

Senior Software Development Engineer in Test

Sahi Softtech

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Remote

Full-time

Location: Phoenix, AZ Remote Senior Software Development Engineer in Test PRINCIPAL RESPONSIBILITIES: Coaches and mentors Software Test Engineers in execution of automated testing efforts.Leads effort to review product specifications and work with others to develop appropriate test strategies, detailed test plans, and test architectures.Leads formal reviews of test plans, designs, and requirements with cross-functional teams.Participates in the evaluation of new tools and technologies to contin
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Posted 26 days ago | Updated 26 days ago

Lead Software Engineer, DevOps (Enterprise Platforms Technology)

Capital One

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McLean, Virginia, USA

Full-time

Lead Software Engineer, DevOps (Enterprise Platforms Technology) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive , and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking DevOps Engineers who are passionate about marrying data with emerging technologi
Posted 4 days ago | Updated 2 hours ago

Senior System Software Engineer, Cloud Learning Platform

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

For over 25 years, NVIDIA has pioneered visual and accelerated computing. Today, we're defining the future of AI, equipping millions with groundbreaking tools and essential training to lead a new era of innovation. We empower developers to excel and do their life's work. We're seeking an innovative System Software Engineer, to design and build services that immerse learners in the practical application, deployment, and optimization of NVIDIA's innovative technologies. You will be instrumental in
Posted 16 days ago | Updated 6 hours ago

Sr. Application Development Engineer

Randstad Digital

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Remote or St. Louis, Missouri, USA

Contract

job summary: Story Behind the Need As a part of BTS realignment, the Medicaid and Medicare teams are being combined under one manager. Appropriate resourcing is required to support this effort. This role will require hands on training on the enrollment applications within the vendor suite. Application Development experience with applicable app stack (see top skills section), so that the candidate can properly carry out daily activities, project requirements and project delivery. Having a backg
Posted 3 days ago | Updated moments ago

Senior Infrastructure Software Engineer, Search Platform

Dropbox Inc

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Remote

Full-time

Dropbox is a Virtual First company. For this role, we are hiring in Zones 2 and 3. Please refer to our Compensation section below to see what neighborhoods fall under each Zone. Role Description As an Infrastructure Engineer, your role will be crucial in shaping and constructing the robust systems that not only support our current flagship products but also lay the groundwork for the next wave of engineering innovations. From optimizing user experiences across various projects to ensuring seam
Posted 54 days ago | Updated 10 days ago

Senior Manager, Software Engineering, Mobile

Capital One

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McLean, Virginia, USA

Full-time

Senior Manager, Software Engineering, Mobile Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. As a Capital One Mobile Software Engineer , you'll have the opportunity to be on the forefront of driving a major t
Posted 10 days ago | Updated 2 hours ago

Senior Infrastructure Software Engineer, Build Toolchains

Dropbox Inc

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Remote

Full-time

Dropbox is a Virtual First company. For this role, we are hiring in Zones 2 and 3. Please refer to our Compensation section below to see what neighborhoods fall under each Zone. Role Description As an Infrastructure Engineer in Build Toolchains team, your role will be crucial in shaping technical strategy and and development of large scale distributed build systems that not only support our current flagship products but also lay the groundwork for the next wave of engineering innovations. From
Posted 54 days ago | Updated 6 hours ago

Sr. Windows OS Software Engineer

Collinwood Technology Partners

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Remote

Full-time

Sr. Windows OS Software Engineer Can you customize and configure the Windows OS platform to integrate with embedded devices ? Do you have an understanding in device driver development as well as OS image creation and deployment to a wireless device; ? C++ for windows experience ? Have you done low level OS development ? Experience w/ Typescript of GraphQl ? Responsibilities: Will customize and configure the Windows OS Platform to integrate with wireless embedded devices such as cameras, US
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Posted 60+ days ago | Updated 10 days ago

Senior Software Systems Engineer - Autonomous Vehicles

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

Our ADAS Platform team is responsible for building a scalable and modular software stack that powers advanced driver-assistance systems across a diverse range of product lines and OEMs. We are looking for a highly motivated Senior Software Systems Engineer with a strong foundation in software architecture. This role is ideal for someone who thrives on working across multiple layers of the software stack to drive modularization, improve abstraction, and enable extensibility and reuse. You will pl
Posted 24 days ago | Updated 6 hours ago

Senior Application Development Engineer

Randstad Digital

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Remote or St. Louis, Missouri, USA

Contract

job summary: Story Behind the Need My team provides and supports a Low Code No Code IT platform(M365 Power Platform: Power Apps, Power Automate, Copilot Studio, ChatGPT) and custom solutions that enable efficiency and optimization of business and IT operations. We are making significant investment in building innovative AI solutions leveraging our platform(s) and looking for additional developer(s) that are experienced with the Power Platform and AI solution building.No additional needs, not pa
Posted 5 days ago | Updated moments ago

Senior Front End Software Engineer - Ad Experiences

Samsung Electronics America

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Remote or Mountain View, California, USA

Full-time

Position Summary Over the last few years, Samsung has been investing in building up a portfolio of engaging services across its devices to complement its market-leading hardware business while leveraging its unparalleled global distribution footprint. These services, along with a vast partner network and proprietary data, generate a massive opportunity for ad-based monetization. Samsung Ads is a highly successful and fast-growing business that has operated for five years. The continued success
Posted 60+ days ago | Updated 6 hours ago

Lead Software Engineer, Full Stack (Bank Tech)

Capital One

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McLean, Virginia, USA

Full-time

Lead Software Engineer, Full Stack (Bank Tech) Job Description Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging techno
Posted 60+ days ago | Updated 2 hours ago

Software Engineer Subject Matter Expert

Redhorse Corporation

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Arlington, Virginia, USA

Full-time

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse is transforming how the government
Posted 6 days ago | Updated 3 hours ago