mid level developer Jobs in washington, dc

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521 - 540 of 2,365 Jobs

Software Engineer

BlueHalo

•

Annapolis, Maryland, USA

Full-time

At BlueHalo, an AV Company, our Cyber experts operate at the mission's edge. Using advanced cyber techniques, our team of technologist and analysts employ capabilities spanning traditional computing environments to Internet of Things (IoT), including offensive and defensive cyber operations and analysis, signals intelligence (SIGINT) discovery, and data science. Our team is expanding to do the big things that have never been done before - the things the nation and the world are counting on us to
Posted 60+ days ago | Updated 9 hours ago

Software Engineer

Tavant

•

Remote

Contract

Hello, Greeting from Tavant. please find the job description below and let me know your interest to submit. Role: Software Engineer Location: Remote 3 experienced engineers (likely senior level) to contribute to backend development. The ideal candidates should: 7+ years of development experienceFamiliarity with Flask (for building APIs), PostgreSQL, Redis, and Google Cloud (Google Cloud Platform)Node jsReactCybersecurity experience preferred
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Posted 2 days ago

Lead Cybersecurity Engineer

Zachary Piper Solutions, LLC

•

Remote

Full-time

Piper Companies is seeking a Lead Cybersecurity Engineer to join a cutting-edge decision science security organization. The Lead Cybersecurity Engineer will be responsible for designing robust cybersecurity measures and access management solutions to protect the organization's systems and data. Responsibilities of the Lead Cybersecurity Engineer include: Design robust cybersecurity measures and access management solutions to protect the organization's systems and data. Lead the implementatio
Posted 25 days ago | Updated 25 days ago

Lead Software Engineer

Salas O'Brien Engineers Incorporated

•

Remote

Full-time

Lead Software Engineer - Job Description At Salas O'Brien we tell our clients that we're engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That's why we're committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future. Building for the long-term means that all our team members can expect to work on amazing projects with a people-first appr
Posted 41 days ago | Updated 9 hours ago

Software Engineer, Backend

West Coast Consulting LLC

•

Remote

Contract

Job Description Title: Software Engineer, Backend Duration: Aug 5, 2025 - Jul 31, 2026 Location: Remote (North America) TECHNICAL SKILLS Must Have3+ years of software development experience in one or more general purpose programming languages (Java, Scala, Go, C++, Python).Nice To Have Experience with prompt engineering, machine learning or data science. Cost Center Code49 - Tech-Ads Engineering JOB DESCRIPTION The Ad Safety & Verification (ASV) team is small, scrappy, and able to execute o
Posted 3 days ago | Updated 6 hours ago

Senior OIC Developer

KPG 99 Inc.

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Remote or US

Contract, Third Party

Job Title: Senior OIC Developer Job Term: Contract Duration: Long Term, 6 months to start Location: Remote Work Work hours 8-5 or 9-6 EST Job Description: SCOPE of WORK: As part of this project, our client is replacing JDE Financials & Supply Chain with Oracle ERP Cloud. As part of this program, existing integrations with multiple internal/external applications need to be re-developed utilizing OIC to integrate with the new ERP system. Seeking a Senior OIC developer to engage in technical integ
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Posted 25 days ago | Updated 1 day ago

Senior Cybersecurity Engineer

Booz Allen Hamilton

•

Chantilly, Virginia, USA

Full-time

Job Number: R0219698 Cybersecurity Engineer, Senior The Opportunity: Are you looking for an opportunity to share your experience in network and system security to safeguard our nation? As a cybersecurity engineer, you can identify, implement, and operate the systems, tools, and approaches needed to assess vulnerabilities, repel threats, and improve enterprise security. We need your experience to lead the development and implementation of security solutions that protect critical national securit
Posted 60+ days ago | Updated 10 hours ago

Senior AI Engineer with Policy

SAIC

•

McLean, Virginia, USA

Full-time

Job ID: 2505816 Location: MCLEAN, VA, US Date Posted: 2025-05-19 Category: Information Technology Subcategory: Data Scientist Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems development & deployment, targeting & intelligence analysis, systems engineering & integration, and training capabilities and solutions for the Intel
Posted 56 days ago | Updated 7 hours ago

Senior Software Engineer

Tavant

•

Remote or New York, New York, USA

Contract

Hello, Greetings from Tavant Role: Senior Software Engineer Duration: 9+ Months Location: Remote (EST) We are seeking a highly skilled and motivated Senior Software Engineer to join our dynamic engineering team. In this role, you will be responsible for designing, developing, and deploying scalable and efficient software solutions using Scala or Java stacks, and TypeScript. You will work with innovative technologies in cloud computing, containerization, distributed systems, and observability. Th
Easy Apply
Posted 44 days ago | Updated 2 days ago

AFSIM Analyst

Johns Hopkins Applied Physics Laboratory (APL)

•

Laurel, Maryland, USA

Full-time

Description Are you searching for an opportunity to apply your modeling and simulation analysis background in an engaging, collegiate environment? Are you passionate about analyzing complex problems with state of the art software and computing capabilities? If so, then the Strike Analysis Group at the Johns Hopkins Applied Physics Lab is looking for you! Our dedicated team of engineers, physicists, mathematicians, and computer scientists are engaged in an extensive portfolio of projects with
Posted 6 hours ago

Program Lead - System Engineer

Leidos

•

Odenton, Maryland, USA

Full-time

Job DescriptionDescription The Program Lead/System Engineer position will oversee the management of the system level requirements, and the performance of integration, verification, and user acceptance testing to ensure that the design, deployment, integration, maintenance, and support for Joint Worldwide Intelligence Communications Systems (JWICS) supporting DISA customers is fully operational. Primary Responsibilities The successful candidate primary responsibility will be: Perform Leidos supe
Posted 3 days ago | Updated 19 hours ago

Lead Engineer / Fullstack / Java / Payments

Motion Recruitment Partners, LLC

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Remote

Full-time

A well-known retail company is looking for a Lead Fullstack Engineer to help build a new internal platform for pricing and promotions. It's a tech-forward team where engineers help drive decisions, and most of the work is focused on new product development and features. You'll work with Java/Kotlin, Spring Boot, Angular, and PostgreSQL, while also mentoring others and shaping how the team builds software. The org is led by a former SaaS engineer with a clear vision to build a world-class IT shop
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Posted 3 days ago | Updated 6 hours ago

Senior System Engineer (Government)

AT&T Inc.

•

Oakton, Virginia, USA

Full-time

Job Description: This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered. AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to
Posted 60+ days ago | Updated 9 hours ago

Remote- SAP Lead ABAP Developer

E-Solutions, Inc.

•

Remote or Jackson, Mississippi, USA

Contract, Third Party

Hi, I am Tarun and I work as a Manager at E-Solutions, I'm doing a search for a client who has an urgent requirement SAP ABAP Lead Developer contract opportunity. Job Title: SAP Lead ABAP Developer Location: 100% Remote Project Duration: 07/01/2025 07/01/2030 Contract Type: Long-term Contract Position Overview We are seeking an experienced SAP Lead ABAP Developer to lead a team of developers and support the enhancement and integration of a large-scale government SAP system. This position involv
Easy Apply
Posted 38 days ago | Updated 20 hours ago

FPGA Hardware Engineer

Leidos

•

Linthicum Heights, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a FPGA Hardware Designer Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Active TS/SCI with a polygraph is required. 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
Posted 14 days ago | Updated 3 hours ago

Security Engineer - Senior

Electronic Consulting Services, Inc (ECS Federal)

•

Washington, District of Columbia, USA

Full-time

Job Description ECS is seeking a Security Engineer - Senior to work in our Washington, DC office. Please Note: This position is contingent upon additional funding. ECS Federal is a leading information security and information technology company in Washington, DC. We are looking to hire a Senior Security Engineer to support a full range of cyber security services on a long-term contract in Washington DC. The position is full time/permanent and will support a US Government civilian agency. The
Posted 2 days ago | Updated 6 hours ago

Senior Plant Engineer

GE Vernova

•

Remote

Full-time

Job Description Summary The Senior Plant Engineer is the plant engineering representative at the launch of all projects and will control the technical execution of the project through closeout. The Sr Plant Engineer is accountable to lead other engineers to define plant solutions & tools and to support proposal tender offerings and project execution. The Senior Plant Engineer will also serve as technical mentor resolving conflicts and certifying finished engineering products as proper and correc
Posted 9 hours ago

MuleSoft Senior Developer

Ignitec Inc.

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Remote

Contract

MuleSoft Senior Developer This is a Full-Time (W2) Remote position supporting The United States Postal Service (USPS). Full benefits, PTO, and paid holidays are inclusive to this position. Number of Available Positions: 1 Salary Target: Open Consideration Hiring Structure: 6 Month Contract to Hire (Temp to Perm) Project Based: San Antonio, TX- Remote Requirements: Public Trust Clearance; Prior professional experience supporting a Federal Government Agency/Project within the past 2 years; Complet
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Posted 3 days ago

Senior Security Managger

American Association Of Motor Vehicle Admin.

•

Arlington, Virginia, USA

Full-time

Position Summary: The Security team is organized around three pillars: Security Engineering & Operations, Security Architecture, and Governance, Risk & Compliance (GRC). The Sr. Manager Security is responsible for all the activities carried by the Security Engineering & Operations team. In that capacity, the Sr. Manager works in close partnership with the Manager of GRC and the Architecture team to identify, design, implement, and maintain processes and technologies across the enterprise, to re
Posted 60+ days ago | Updated 6 hours ago

Senior Principal Software Engineer (Onsite)

RTX Corporation

•

Maryland, USA

Full-time

Date Posted: 2025-06-17 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: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Solipsys, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically advanced and
Posted 1 day ago | Updated 9 hours ago