Lead Developer Jobs in ashburn,va

Refine Results
221 - 240 of 2,483 Jobs

Senior Software Developer

QinetiQ US

Herndon, Virginia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a

Senior Lead Software Engineer, Back End

Capital One

McLean, Virginia, USA

Full-time

Senior Lead Software Engineer, Back End 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 Back End Software Engineers who are passionate about marrying data with emerging technologies. As a Capit

Senior Software Engineer, Intelligence Systems

Aduril Industries

Reston, Virginia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

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

Senior Software Engineer - Test Automation

Aduril Industries

Reston, Virginia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Senior Software Engineer

Motion Recruitment Partners, LLC

Silver Spring, Maryland, USA

Full-time

A Washington, DC based FinTech company is searching for a Senior Software Engineer to join their growing teams working on large scale consumer facing feature. Their product makes it easy to optimize your spending, lower your bills, manage subscriptions, and stay on top of your financial life. They are passionate about making it easy for people to take control of their finances and improving their financial well being. The product currently has millions of users and growing rapidly. Required Skil

Lead Software Engineer, Full Stack

Capital One

McLean, Virginia, USA

Full-time

Lead Software Engineer, Full Stack 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 technologies. As a

Senior Software Engineer (.NET)

Costar Group

Arlington, Virginia, USA

Full-time

Senior Software Engineer (.NET) Job Description CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate information an

Sr. Full- Stack Developer

Accenture LLP

Washington, District of Columbia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

Senior Connect developer

ProIT Inc.

Washington, District of Columbia, USA

Contract

Job description: AWS Cloud with hands-on experience in Contact Centre technologies Hands on experience on developing Amazon Connect flows, queues, routing profiles etc. Hands on experience on integrating the lambda functions, Lex Bot in AWS Connect. Should have good experience on how end-to-end IVR works and integration of different AWS services. Should have good knowledge on Agile process. Should be a passionate learner and are motivated to take up new challenges

Senior Distinguished Engineer - CEP Experimentation and Feature Management Platform (Remote Eligible)

Capital One

Remote or McLean, Virginia, USA

Full-time

Senior Distinguished Engineer - CEP Experimentation and Feature Management Platform (Remote Eligible) As a Senior Distinguished Engineer at Capital One, you will be a part of a community of technical experts working to define the future of banking in the cloud. You will work alongside our talented team of developers, machine learning experts, product managers and people leaders. Our Senior Distinguished Engineers are leading experts in their domains, helping devise practical and reusable solut

Lead Software Engineer, Full Stack (Enterprise Platforms Technology)

Capital One

McLean, Virginia, USA

Full-time

Lead Software Engineer, Full Stack (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 solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerging te

Senior Software Engineer - Secret Clearance Preferred - Onsite

General Dynamics

Oakton, Virginia, 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: Software Engineering Job Qualifications: Skills: Application Development, Software Development, Software Development Life Cycle (SDLC) Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: GDIT is seeking a Senior Software Engineer to join our team. ship required. GDIT will spo

Principal Engineer - Cloud Infrastructure

Fannie Mae

Remote or Reston, Virginia, USA

Full-time

At Fannie Mae, the inspiring work we do helps make a home a possibility for millions of homeowners and renters. Every day offers compelling opportunities to impact the future of the housing industry while being part of a collaborative team thriving in an energizing environment. Here, you will grow your career and help create access toaffordable housing finance. Job Description As a valued contributor to our team, you will design and develop unprecedented solutions for Cloud Engineering, solvin

Active Directory Engineer

System One

Springfield, Virginia, USA

Contract

Job Title: Active Directory Engineer Location: Springfield, VA Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: TS/SCI CI Poly Contact: Senior Active Directory Engineer to support the planning, building, and operations of a large, globally accessed, hybrid cloud computing system. The Senior Active Directory Engineer provides support, implementation, and design services for Microsoft Active Directory and Windows-based systems across the enterprise, including directory and

Principal Cyber Security Developer

ManTech

Chantilly, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Principal Cyber Security Developer to join our team in Chantilly, VA. Principal Cyber Security Developers ensure excellence in the development and delivery of cyber security software solutions. They actively develop, test, and deploy high-quality cyber solution components according to provided requirements. This role requires a professional who thrives both in collaborative team settings and when working independently. Responsibilities inc

FLEX Senior Software Engineer

Marriott International

Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. Leads workgroups and/or functions as a technical expert. Resolves and makes decisions on more complex, non-routine service requests with limited to moderate risk. Performs research, analysis, design, creation and implementation of applications to meet current and future user requirements. Defines and creates the next generation of solutions to drive Marriott value. Monitors multiple projects by Service Provider to successful completion, maintaining

Principal Software Engineer

Leidos

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Software Engineer 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 ve

Software Engineer (React/Node)

Motion Recruitment Partners, LLC

Washington, District of Columbia, USA

Full-time

A prominent MedTech company based in Washington, D.C. is seeking a mission-driven Lead Software Engineer to join their team. With the implementation of their software in 700+ medical institutions across 35 nations, their product is responsible for a significant decrease in medical errors through the effective training of healthcare professionals. Their amounted success and mission-driven culture has allowed them to start a charitable fund in which they donate a portable version of their software

AI/ML Engineer

InterSec Inc.

Reston, Virginia, USA

Contract

We are seeking a forward-leaning AI/ML Engineer or Lead with deep technical expertise in Generative AI (GenAI), Large Language Models (LLMs), and modern machine learning infrastructure. This role will design, develop, and optimize AI solutions that directly drive our strategic product offerings and internal automation initiatives. If you thrive in an environment where innovation is expected and impact is non-negotiable, you re the person we need. Key ResponsibilitiesLLM Development & Fine-Tuning