mid level developer Jobs in washington, dc

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Datacenter Migration Engineer

Leidos

•

Camp Springs, Maryland, USA

Full-time

The Leidos Defense E&CS group currently has an opening for a Migration Engineer to work on a high-profile datacenter migration project in Suitland, Maryland to provide technical leadership and support in the areas of IT planning, solution specification/design, implementation and target architecture development for the AFNCR Consolidated Communication Center (). The Engineer will support the 844th Communications Group at Joint Base Andrews (JBA). This role includes supporting the Air Force Distri
Posted 23 days ago | Updated 12 hours ago

Senior Software Developer/Engineer

Maxar Technologies

•

Herndon, Virginia, USA

Full-time

Please review the job details below. Maxar has an immediate opening for a Software Developer/Engineer to join our team supporting a mission to solve unique and challenging problems for national security. We are seeking an engineer who embraces technology and thrives on the art of the possible. The ideal candidate will be part of a small multi-disciplinary software team and will have the unique opportunity to interact directly with users and other technologists to ensure solutions, development a
Posted 1 day ago | Updated 19 hours ago

Java/J2EE Senior Developer

Apex Systems

•

McLean, Virginia, USA

Full-time

Job#: 2080244 Job Description: Position: Java/J2EE/Python Senior Developer Industry: Financial Services Location: McLean, Virginia Hours: M-F, onsite Requirements: Responsibilities: Develop and maintain Python services for model training and inference. Implement Java services to bridge communication between client callers and Python services. Conduct performance tuning and stress testing of models. Identify and resolve issues during model reconciliation processes. Address software security vul
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Posted 12 hours ago | Updated moments ago

Lead Security Engineer

Catapult Solutions Group

•

Washington, District of Columbia, USA

Contract

Lead Security Engineer Department: Cybersecurity Location: Washington, DC - Onsite Role Type: Contract Clearance: Public Trust About Our Client Our client supports the cybersecurity mission of a major government agency responsible for managing and maintaining United States critical infrastructure including highways, bridges, roads, and airports. The cybersecurity team is dedicated to collaborating, cooperating, and facilitating the maintenance and enhancement of the security posture of governme
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Posted 14 days ago | Updated 2 days ago

Senior Lead Software Engineer, Back End (Cloud Operations Resilience Engineering)

Capital One

•

McLean, Virginia, USA

Full-time

Senior Lead Software Engineer, Back End (Cloud Operations Resilience Engineering) 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. As a Capital One Senior Lead Software Engineer, you'll have the opportunity to be on th
Posted 60+ days ago | Updated 3 hours ago

Angular Lead Developer

Mudrasys

•

Reston, Virginia, USA

Full-time, Third Party

Job Description: Angular higher versions 17 or 18 Experience developing modular SPA using Micro Frontend Architecture- Runtime integration vs. Buildtime Experience with multi framework (ReactJS, Angular) client side MFE integration Experience with Server-Side Rendering Experience using Web Components JavaScript/TypeScript, NodeJS, Webpack, Vite, static hosting in S3 Expert in Angular 16+, Role Based and Entitlement based authorization, Lazy Loading, HTTP Interceptors State Management, Global Sto
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Posted 12 days ago

Missile Modeling and Simulation SW Engineer

SAIC

•

Arlington, Virginia, USA

Full-time

Job ID: 2507095 Location: ARLINGTON, VA, US Date Posted: 2025-06-30 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: No Description The Missile Defense Modeling and Simulation team at SAIC is seeking a Missile Modeling and Simulation SW Engineer to support the customer in a fast-paced environment with simulation-driven assessments and prod
Posted 1 day ago | Updated 9 hours ago

Senior Typescript Engineer

Motion Recruitment Partners, LLC

•

Washington, District of Columbia, USA

Full-time

A fintech SaaS shop based in Washington, DC is searching for a Senior Software Engineer to join their rapidly-expanding team. They've successfully built one of the leading personal finance apps, boasting 5+ million active members, and are continuing to enhance its capabilities. Including features like their subscription management tool, bill negotiation, and spending insights, they aim to help their users optimize financial health through saving them money as well as helping them build wealth fo
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Posted 29 days ago | Updated 1 hour ago

Homes.com - Senior Software Engineer (C#/.NET)

Costar Group

•

Arlington, Virginia, USA

Full-time

Homes.com - Senior Software Engineer (C#/.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. Homes.com is already one of the fastest growing real estat
Posted 6 days ago | Updated 11 hours ago

Senior Software Engineer

Booz Allen Hamilton

•

Chantilly, Virginia, USA

Full-time

Job Number: R0219794 Software Engineer, Senior 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 sof tware, but to create a system that will make a difference, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop sof tware and systems from vision to production-ready. This role is more than just coding
Posted 49 days ago | Updated moments ago

Senior Software Engineer

Modern Technology Solutions

•

Chantilly, Virginia, USA

Full-time

Overview Modern Technology Solutions, Inc. (MTSI) is seeking a Senior Software Engineer with experience in Java and JavaScript to join our team in Chantilly, VA. We are a small, but highly empowered team where every team member is directly responsible for the success of our mission. In your role, you will be responsible for designing, implementing, and maintaining software applications across one or more projects using an agile development model. Why is MTSI known as a Great Place to Work? Inte
Posted 52 days ago | Updated 11 hours ago

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
Posted 42 days ago | Updated 11 hours ago

Software Engineer

Motion Recruitment Partners, LLC

•

Alexandria, Virginia, USA

Full-time

An exciting startup based in Alexandria, D.C. Is seeking an experienced Software Developer to join their team. Through it's patented integration with Microsoft teams this company creates a streamlined interface for organizational communication which helps create more effective response and information sharing across the company as well as provides a secure option to share valuable company information on any device. In addition they also provide an interactive simulation program for emergency res
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Posted 42 days ago | Updated 1 hour ago

Senior Software Engineer (Credit Card)

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 Credit Card team. 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 Skills 6+ years of software engineering
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Posted 60+ days ago | Updated 1 hour ago

FLEX Senior Software Engineer - SEO

Marriott International

•

Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. JOB SUMMARY As a member of the Enterprise Search Engine Optimization Development team, you will be a part of a team responsible for implementing and maintaining technical SEO enhancements across the diverse portfolio of Marriott's websites and systems. This individual will serve as a senior technical resource responsible for managing the full software development lifecycle, from requirements analysis to deployment, ensuring high-quality, scalable,
Posted 17 days ago | Updated 11 hours ago

Sr Python Developer

ADPMN Inc

•

Reston, Virginia, USA

Contract

Jobtitle :: SrPython Developer Location:: Reston,VA Duration:: 12+Months TheEnterprise Innovation team is looking for a Senior Software Engineer to helpturn innovation concepts and ideas into applications by building MVPs toachieve maximum business value. This Concept Team will rapidly prototype,build, and operationalize new applications using cutting edge technology. Required: At least three years python coding experience (possibly willing to interview candidates with less experience if they ha
Posted 9 days ago | Updated 7 days ago

Sr Engineer - Outdoor Lighting

Exelon Corporation

•

Washington, District of Columbia, USA

Full-time

Who We Are We're powering a cleaner, brighter future. Exelon is leading the energy transformation, and we're calling all problem solvers, innovators, community builders and change makers. Work with us to deliver solutions that make our diverse cities and communities stronger, healthier and more resilient. We're powered by purpose-driven people like you who believe in being inclusive and creative, and value safety, innovation, integrity and community service. We are a Fortune 200 company, 19,0
Posted 19 days ago | Updated 12 hours ago

Senior ServiceNow Architect/Developer-Remote

mProgen

•

Remote

Contract

Required Qualifications 8+ years of hands-on experience with ServiceNow development and administration.Deep expertise in configuring and managing the ServiceNow CMDB, including integrations and best practices.Proven track record in configuring MID Servers for data collection and integration tasks.Extensive experience with ITOM modules, including Discovery, Service Mapping, and Event Management.Advanced proficiency in creating and optimizing custom and out-of-the-box dashboards for monitoring and
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Posted 18 hours ago

IOS Native Apps Developer

Virtuous Tech Inc

•

McLean, Virginia, USA

Contract, Third Party

Sr IOS Developer (Onsite) Location: MC, VA Duration: 12 months Exp : 14+ Description: As a Senior Software Engineer specializing in iOS at Client, you will be instrumental in designing, developing, and maintaining the iOS platform for the Client Auto Navigator application. This role involves leveraging your expertise in mobile development to create high-quality, engaging customer experiences while collaborating with cross-functional teams. You will also mentor junior engineers and contribute t
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Posted 60+ days ago | Updated 12 days ago

Senior Software Engineer (Onsite)

RTX Corporation

•

Maryland, USA

Full-time

Date Posted: 2025-03-31 Country: United States of America Location: MD440: 8170 Maple Lawn Blvd Fulton MD 8170 Maple Lawn Boulevard , Fulton, MD, 20759 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: DoD Clearance: Secret Solipsys, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has
Posted 4 days ago | Updated 11 hours ago