Principal Software Engineer Jobs in Washington

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421 - 440 of 839 Jobs

Solutions Engineer

Maximus, Inc.

•

McLean, Virginia, USA

Full-time

Description & Requirements As part of the Rapid Deployment Team (RDT), you will: Embed seamlessly with federal programs, capturing mission-critical workflows through hands-on-keyboard engineering to design, prototype, and deploy real-time solutions-delivered in weeks, not months. Working across growth, operations, legal, contracts and GTM teams.Transform internal technical innovations into externally consumable solutions, building a repeatable solutions framework to support listings in digital m
Posted 1 day ago | Updated 7 hours ago

Solutions Engineer

Maximus, Inc.

•

McLean, Virginia, USA

Full-time

Description & Requirements As part of the Rapid Deployment Team (RDT), you will: Embed seamlessly with federal programs, capturing mission-critical workflows through hands-on-keyboard engineering to design, prototype, and deploy real-time solutions-delivered in weeks, not months. Working across growth, operations, legal, contracts and GTM teams.Transform internal technical innovations into externally consumable solutions, building a repeatable solutions framework to support listings in digital m
Posted 1 day ago | Updated 7 hours ago

Site Lead Solutions Engineer

General Dynamics

•

Fort Meade, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Building Architecture, Systems Design, Systems Development, Systems Engineering Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: GDIT is seeking a full-time Site Lead Solutions Engineer to support our Identity, Credential, a
Posted 1 day ago | Updated 2 hours ago

Staff Fullstack Software Engineer, Guest Displays & Platforms

Airbnb

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Remote

Full-time

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join Guest Displays & Platforms team The Guest Displays & Platforms team owns pricing and availability across al
Posted 60+ days ago | Updated 2 hours ago

Senior Staff Software Engineer, Reliability Engineering

Airbnb

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Remote

Full-time

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: We are a community based on connection and belonging - a community that was born in 2007 when two hosts welc
Posted 60+ days ago | Updated 2 hours ago

APPIAN ARCHITECT/ Appian Lead Developer

PETADATA

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Washington, District of Columbia, USA

Full-time, Third Party, Contract

Position: APPIAN ARCHITECT / Appian Lead Developer Location: Reston, VA & Washington DC / Plano TX / Maryland ( Remote). Experience: 14+ Years Work type: Fulltime(W2) / C2C PETADATA is currently looking to hire for the position of APPIAN ARCHITECT/ Appian Lead Developer for one of their clients. Roles & Responsibilities: The Ideal candidate should develop and test user management business process designs, in Appian, working with document management, user access, and user summary dashboards
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Posted 1 day ago | Updated 14 hours ago

Full Stack Developer

Booz Allen Hamilton

•

Reston, Virginia, USA

Full-time

Job Number: R0221628 Full Stack Developer The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to create a system that will make a difference, we need you on our team. We're looking for a seasoned developer like you with the expertise needed to build software and systems from vision to production-ready. This role is more than just coding. As a lead
Posted 27 days ago | Updated 3 hours ago

Oracle Integration Lead/ Oracle SOA Developer (SOA,BPEL, Oracle ESB)

Sage IT Inc

•

McLean, Virginia, USA

Full-time, Contract, Third Party

Role: Oracle SOA Developer (SOA, BPEL, Oracle ESB) Location: Mclean, VA (Onsite) Description: SOA, BPEL - mandatory skills Java knowledge or little bit exp will also work Responsibilities: Create / debug detail design and implementation specifications Writes / debugs application code and performs unit and functional testing in order to provide technical solutions for the business. Be a hands-on team member. Responsible for designing and developing service-oriented solution logic as service
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Posted 2 days ago | Updated 18 hours ago

Staff Software Developer

McKesson Corporation

•

Ohio, USA

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien
Posted 2 days ago | Updated 2 hours ago

Principal User Interface Developer 25k Sign on Bonus

Leidos

•

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Principal User Interface Developer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immed
Posted 46 days ago | Updated 2 hours ago

Appian Senior Developer

General Dynamics

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: MBI (T2) Job Family: Software Development Job Qualifications: Skills: Software Development, Software Projects, Software Systems Certifications: None Experience: 10 + years of related experience ship Required: No Job Description: Deliver simple solutions to complex problems as an Appian Senior Developer at GDIT. Here, you'll tailor cutting-ed
Posted 60+ days ago | Updated 2 hours ago

Cloud Engineer IV

Aditi Consulting

•

Washington, District of Columbia, USA

Contract

Payrate: $70.00 - $80.00/hr. Responsibilities: Provides consultation services & best practice oversight for various teams. Cloud team supports development teams building cloud-based applications. Responsibilities include guiding best practices, tracking deadlines, and providing cloud expertise. Engagement: All teams are engaged, with Client providing ongoing support. Experience Requirements: Cloud-Savvy: Senior Principal Engineer with 10+ years of Cloud experience. Large Environment Expertise:
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Posted 27 days ago | Updated 9 hours ago

Dot.Net Sr Lead Developer min 12Yrs Ex Amtrak or Rail road or transportations domain Experience Mandatory

Pioneer Corporate Services Inc

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Washington, District of Columbia, USA

Contract

Dot.Net Sr Lead Developer (two positions) Washington, DC Long term Note: Ex Amtrak resources highly preferred or candidates from Rail road or transportations domain experience Essential Duties & Responsibilities (Other duties may be assigned): Design, build, and maintain.Net applications, responsible for both front-end and back-end development.Conduct code reviews, provide feedback, and support team improvements.Write and maintainhigh-quality code, ensuring adherence to best practices.Writ
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Posted 3 days ago | Updated 3 days ago

Lead Appian Developer- Remote

ICF

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Remote or Reston, Virginia, USA

Full-time

*We are open to supporting 100% remote work anywhere within the US* ICF's Digital Modernization division is a rapidly growing, entrepreneurial, technology department, seeking a Lead Appian Developer to support upcoming needs with our federal customers. Our Digital Modernization division is an information technology and management consulting department that offers integrated, strategic solutions to its public and private-sector clients. ICF has the expertise, agility, and commitment to design,
Posted 20 days ago | Updated 2 hours ago

Lead Python Developer

Sharpedge Solutions

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Washington, District of Columbia, USA

Full-time

Required Skills: Python, Numpy. Panda with any AI (Azure, Amazon & Google but good have knowledge in Azure AI & Azure API) Role: Lead Developer Python Programming: At least 5 years of hands-on experience with Python, particularly in frameworks like FastAPI, Django, Flask, and experience using AI frameworks. Access Control Expertise: Strong understanding of access control models such as Role-Based Access Control (RBAC) and Attribute-Based Access Control (ABAC). API and Connector Development: Exp
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Posted 6 days ago | Updated 6 days ago

Senior Staff Engineer

Booz Allen Hamilton

•

Indian Head, Maryland, USA

Full-time

Job Number: R0221600 Staff Engineer, Senior The Opportunity: Are you looking for an opportunity to combine your technical skills with big-picture thinking to make an impact in major DoD programs? Do you understand your client's environment and how to apply systems engineer rigor to U.S. Navy munitions and energetics to equip combat-ready naval forces capable of winning wars, deterring aggression, and maintaining freedom of the seas? Your ability to translate real-world needs into technical spec
Posted 28 days ago | Updated 3 hours ago

Senior Staff Engineer, C++ Modeling & Simulation Engineer (R3453)

Shield AI Inc

•

Washington, District of Columbia, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Boston, Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Sh
Posted 60+ days ago | Updated 2 hours ago

Senior Lead Security Engineer - AI Engineer

JPMorgan Chase & Co.

•

McLean, Virginia, USA

Full-time

Job Description We're driven by curiosity, passion, optimism, and the belief that everybody can grow. As a Senior Lead Security Engineer at JPMorgan Chase within the Cybersecurity and Technology Controls line of business, you are an integral part of a team that delivers Machine Learning solutions to meet functional and user requirements, with a focus on detecting and preventing misuse and malicious behavior. This role offers career growth and the opportunity to work with cutting-edge technolog
Posted 60+ days ago | Updated 2 hours ago

Staff Engineer, Future Concepts

Shield AI Inc

•

Washington, District of Columbia, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Boston, Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Sh
Posted 51 days ago | Updated 2 hours ago

Lead Engineer - Critical Environments

JLL

•

Sterling, Virginia, USA

Full-time

JLL empowers you to shape a brighter way. Our people at JLL and JLL Technologies are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you've got deep experience in commercial real estate, skilled trades or technology, or you're looking to apply your relevant e
Posted 1 day ago | Updated 2 hours ago