principal engineer Jobs in district of columbia

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Lead Frontend / Angular Developer

MethodHub

•

McLean, Virginia, USA

Contract

Lead Frontend / Angular Developer Location: McLean, VA Duration: 12-14 months Job Description: Angular 14 or later, Ngrx, RxJS JavaScript, NodeJS, GitHub, understanding of end to end test and unit test Role Info: Hands on Sr. Frontend / Angular Developer role with strong Angular, Typescript, Ngrx, RxJS, Javascript, NodeJS, HTML, & CSS background Front end development Managing existing components and building new components using Angular 14 NodeJS 2 Weeks sprint cycle Unit testing using Cy
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Posted 7 days ago | Updated 2 hours ago

Staff Software Engineer, Search Infrastructure

Airbnb

•

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: Airbnb is a mission-driven company dedicated to helping create a world where anyone can belong anywhere. It
Posted 14 days ago | Updated 7 hours ago

Lead AI Solutions Engineer

Booz Allen Hamilton

•

Washington, District of Columbia, USA

Full-time

Job Number: R0223481 AI Solutions Engineer, Lead The Opportunity: AI is no longer just a research concept - it's becoming an essential part of how complex enterprises operate, compete, and deliver value. We're looking for engineers who are eager to work at the intersection of AI innovation and real-world system integration. You'll help architect, build, and deploy intelligent, agentic solutions that work across legacy infrastructure, modern platforms, and stakeholder needs. In this role, you'l
Posted 7 days ago | Updated 8 hours ago

Full Stack Lead Developer- VP

Citi

•

Remote or Jacksonville, Florida, USA

Full-time

Job Description Overview of the Role Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates econom
Posted 21 days ago | Updated 7 hours ago

Staff Software Engineer in Test Systems Engineer

GE Aerospace

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Remote

Full-time

Job Description Summary Are you ready to take the lead in designing cutting-edge software architectures for data acquisition systems used in aircraft engine testing? Join our Data Acquisition Systems team and revolutionize how we acquire, store, manage, and process test data. You'll evaluate both vendor and in-house systems, explore new technologies, and spearhead software development efforts to advance our test cell systems. If you're passionate about collaborating with a dynamic team to upgrad
Posted 21 days ago | Updated 7 hours ago

Senior Appian Architect - Remote

ICF

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Remote or Reston, Virginia, USA

Full-time

ICF's digital transformation and IT modernization division is seeking an experienced Enterprise Appian Architect for opportunities based in support of digital transformation, portfolio modernization, and delivery of enterprise strategies for a diverse set of federal clients. This role is a high visibility technology leadership position requiring an extensive background and operational experience with Appian platform advisory, adoption, migration patterns, architectural engagements, products, ser
Posted 11 days ago | Updated 7 hours ago

Lead Cyber AI Engineer

Booz Allen Hamilton

•

McLean, Virginia, USA

Full-time

Job Number: R0223271 Cyber AI Engineer, Lead The Opportunity: At Booz Allen Hamilton, we are pushing the boundaries of innovation through our emerging product business. We are seeking a S enior Cyber AI Engineer to join our internal product engineering team and lead the creation of a transformative AI-driven cybersecurity product. This role is for a visionary "10x-type" engineer who can develop novel intellectual property (IP) that drives substantial ARR and redefines the market. You'll collabor
Posted 10 days ago | Updated 8 hours ago

ADF Lead Engineer

Webilent Technology, Inc.

•

Washington, USA

Third Party, Contract

Webilent is a leading business technology solutions company. We specialize is providing turn-key project execution as well as employee augmentation services. We strive to be the IT partner of choice for every client we serve. We value the role every individual plays in helping our clients meet their end-goal objectives while maintaining the highest level of commitment to our core values: integrity, expertise and service excellence. We give clients the freedom to reach their goals through a varie
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Posted 60+ days ago | Updated 10 hours ago

Lead Java AWS Developer

eSolutionsFirst, LLC

•

McLean, Virginia, USA

Full-time

Job Summary: We are seeking a highly skilled and motivated Java/AWS Lead with over 10 years of experience in enterprise software development. The ideal candidate will have strong expertise in Java, Spring Boot, and cloud-native development on AWS, along with a deep understanding of modern software architecture. Preference will be given to candidates with hands-on experience or strong interest in AI/ML, Python, and Large Language Models (LLMs). Key Responsibilities: Lead end-to-end design, develo
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Posted 10 days ago | Updated 4 days ago

Remote role -Software Engineer

Connexions Data Inc

•

Remote

Contract

Remote role -Senior Software Engineer 12 MONTHS Remote Responsibilities: Design, code, test, and debug web applications and back end components based on technical and business requirements. Collaborate with lead engineers and business analysts to design scalable, maintainable technical solutions. Translate business needs into well-architected software solutions and recommend alternative approaches when needed. Instill and follow best practices in software design, coding, documentation, and depl
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Posted 7 days ago | Updated 2 hours ago

Principal Full Stack Developer

Leidos

•

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Full Stack 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 immediate
Posted 60+ days ago | Updated 6 hours ago

Principal Software Developer(hybrid)

Oracle Corporation

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Remote or Nashville, Tennessee, USA

Full-time

Job Description As a member of the software engineering division, you will apply basic to intermediate knowledge of software architecture to perform software development tasks associated with developing, debugging or designing software applications or operating systems according to provided design specifications. Build enhancements within an existing software architecture and occasionally suggest improvements to the architecture.Duties and tasks are standard with some variation; displays unders
Posted 60+ days ago | Updated 7 hours ago

Staff Software Engineer, AI Solutions

10x Genomics

•

California, USA

Full-time

About the role 10x Genomics helps researchers answer biology's hardest and most elusive questions with single cell and spatial biology technology. We're harnessing the power of AI and large language models (LLMs) to revolutionize how researchers interact with their data and drive discovery. As an AI/LLM Engineer, you'll be at the forefront of developing intelligent, user-centric solutions that assist scientists and internal teams throughout their research journey-from experimental design and d
Posted 35 days ago | Updated 7 hours ago

Sr. Systems Administrator TS/SCI Poly

Leidos

•

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a System Administrator 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 immediate vesting,
Posted 11 days ago | Updated 6 hours ago

Sr. System Administrator TS/SCI Poly

Leidos

•

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a System Administrator 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 immediate vesting,
Posted 11 days ago | Updated 6 hours ago

Reference Data - Software Lead Developer (Vice President)

Citi

•

Remote or Tampa, Florida, USA

Full-time

Citigroup Reference data management team is seeking Software Lead Developer to join Information Service Group for a hands-on role in design, build and maintenance of various UI enterprise solutions based on full Java/J2EE stack technologies. The Lead Software Developer (Applications Development Technology Lead Analyst - C13) is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overa
Posted 4 days ago | Updated 7 hours ago

Lead Engineer - MES Opcenter

Katalyst Healthcares and Lifesciences

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Remote or New York, USA

Full-time

Job Description: The Lead Engineer will lead a team of technical resources to design, develop, configure, and test MES (Manufacturing Execution Systems) solutions. They will be directly responsible for leading resources contracted vi third-party and through other Pharmaceutical organizations to develop & deploy MES application software to Medical Device manufacturing sites globally. Responsibilities: Act as subject matter expert on system design and architecture. Solutioning and designing new
Posted 38 days ago | Updated 7 hours ago

Staff Software Engineer, Core Serving Infra

Pinterest, Inc.

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Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility
Posted 1 day ago | Updated 7 hours ago

Staff Software Engineer, LLM Internal Tooling

Pinterest, Inc.

•

Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility
Posted 1 day ago | Updated 7 hours ago

Lead Software Engineer (Hybrid NYC)

T. Rowe Price

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Remote or New York, New York, USA

Full-time

At T. Rowe Price, we identify and actively invest in opportunities to help people thrive in an evolving world. As a premier global asset management organization with more than 85 years of experience, we provide investment solutions and a broad range of equity, fixed income, and multi-asset capabilities to individuals, advisors, institutions, and retirement plan sponsors. We take an active, independent approach to investing, offering our dynamic perspective and meaningful partnership so our clien
Posted 41 days ago | Updated 7 hours ago