Mid Level Developer Jobs in Washington, DC

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641 - 660 of 2,320 Jobs

OneDrive Storage Engineer - TS/SCI w/Poly

General Dynamics Information Technology

•

Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft OneDrive, Storage Solutions, Storage Systems Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: OneDrive Storage Engineer We are currently expanding our capabilities and seek
Posted 36 days ago | Updated 8 hours ago

OneDrive Storage Engineer - TS/SCI w/Poly

General Dynamics Information Technology

•

Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Microsoft OneDrive, Storage Solutions, Storage Systems Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: OneDrive Storage Engineer We are currently expanding our capabilities and seek
Posted 36 days ago | Updated 2 hours ago

Senior or Intermediate Software Development Engineer - DevOps (US Federal)

Workday, Inc.

•

McLean, Virginia, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 41 days ago | Updated 9 hours ago

Lead Engineer, Big Data

Molina Healthcare

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Remote or Long Beach, California, USA

Full-time

Job Description JOB SUMMARY Responsible for all the aspects of architecture, design and implementation of Data Management solution using Big Data platform on Cloudera or Hortonworks and other areas of enterprise application platforms. KNOWLEDGE, SKILLS & ABILITIES (Generally, the occupational knowledge and specific technical and professional skills and abilities required to perform the essential duties of this job): Provide leadership on choosing ideal Architecture, evaluating tools and Fram
Posted 28 days ago | Updated 9 hours ago

Senior Flight Software Engineer

Johns Hopkins University AppliedPhysicsLaboratory

•

Laurel, Maryland, USA

Full-time

Description Are you a software engineer passionate about computer science, computer engineering, and the robotic exploration of our solar system? Does solving embedded software challenges sound motivating? If so, we 're looking for someone like you to join our team at APL! We are seeking a dedicated embedded software developer eager to solve hard problems in space using best-practice software development practices. The Johns Hopkins Applied Physics Laboratory (JHUAPL) Space Exploration Secto
Posted 60+ days ago | Updated 9 hours ago

Lead Software Engineer

Optimize Search Group

•

Remote

Full-time

Title:LeadSoftwareEngineer Duration:FullTime Location:Remote Qualifications: ExperienceworkingasaLead/SeniorDeveloper 8+yearsoffullstacksoftwaredevelopmentexperienceacrosswebandmobile DeepexpertiseinmodernJavaScript(ES6)andTypescript ExperiencewithNode.js ExperiencewithReact,ReactNative,and/orNext.js ExperiencewithrelationalandNoSQLdatastores ExperiencewithMicroserviceandAPI-firstarchitectures ExperiencewithCI/CDpipelines,includingDockerandcontainermanagement ExperiencewithAWS Experiencedevelo
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Posted 60+ days ago | Updated 2 days ago

Senior Database Admin/Engineer - Exadata

M9 Solutions

•

Maryland, USA

Full-time

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations who desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include digital transformation, software development, cloud migration, applications & infrastructure, cy
Posted 42 days ago | Updated 6 hours ago

ROR Architect needed for Remote Job!!!!

Nam Info Inc

•

Remote or Boston, Massachusetts, USA

Full-time, Third Party, Contract

Send resumes to ROR Architect:- ( Please do not submit senior Developer or lead for this role) Remote 10+years of Total IT experience should be minimum. 3+ years of experience in Ruby on Rails and React.js development. Strong knowledge of PostgreSQL, MySQL, or similar databases. Experience with GraphQL, REST APIs, and cloud platforms (AWS, Azure, or Google Cloud Platform) is a plus. Understanding of Agile methodologies, DevOps, and CI/CD pipelines. Strong problem-solving skills and ability to w
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Posted 36 days ago | Updated 1 day ago

Lead Software Engineer - Backend & APIs

ADDSOURCE

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Remote or US

Third Party

Title: Lead Software Engineer - Backend & APIs Position Type: Contract Location: Remote across USA/ Canada Location: Canada (Ideal) but also open for USA candidates too. Highlights/Mandatory: An expert in designing and scaling distributed, event-driven backend architectures using TypeScript, NestJS, and PostgreSQL. Extensive experience designing and optimizing PostgreSQL schemas and queries. Mastery of ORM tools (TypeORM, Prisma) and event-driven programming (Kafka, RabbitMQ, or similar). Stro
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Posted 22 days ago | Updated 1 hour ago

Sr. Software Engineer-Automated Test Framework TS/SCI Poly

Leidos

•

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for an Automated Test Framework 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
Posted 60+ days ago | Updated 9 hours ago

Lead Mobile Engineer

Camelot Integrated Solutions Inc

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Remote

Contract

Position: Lead Mobile Engineer Location: Remote Duration : 6 month rolling contract Position Overview: Looking for a Sr/lead Mobile Engineer to backfill a current member of the team. This person will start by running two scrum teams (2 iOS and 2 Android developers/team), but ultimately would like to have 1 lead per team. Day to Day Responsibilities/typical day look like: This resource will only be about 20-30% hands on (coding if there is additional work like a spike or POC), and 70% leadership,
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Posted 3 days ago

Junior Oracle Integration Cloud Developer

MNR Consulting Services

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Remote

Contract

Title: Junior Oracle Integration Cloud Developer Location: Remote Duration: 6+ months Start Date: ASAP Project Overview: Join a long-standing federal financial modernization program within a large civilian agency managing the largest financial system in the federal government. The team is migrating existing SOA integrations into Oracle Integration Cloud (OIC) for a federal E-Business Suite (EBS) environment supporting financial and grant management processes. Description: Assist in re-platform
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Posted 3 days ago

Top Secret Cleared Senior M365 Cloud Engineer

TrueTandem

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Washington, District of Columbia, USA

Full-time

Company DescriptionTrueTandem's mission is to be a trusted information technology solutions provider, committed to the success of our customers, communities and employees. To enable this mission, we listen to our customers needs, empower our dedicated and talented employees, envision success together, and deliver innovative cost-effective solutions. For our customers, we aim to deliver more power to meet their business outcomes through technology implementation, integration, optimization and cus
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Posted 60+ days ago | Updated 23 days ago

Software Developer 3 (SWD3)

Realm One

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Annapolis, Maryland, USA

Full-time

RealmOne is the GOAT - where your career can reach the greatest heights! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join u
Posted 27 days ago | Updated 9 hours ago

Senior Embedded 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
Posted 5 days ago | Updated 9 hours ago

Senior AI Engineer with Policy

SAIC

•

McLean, Virginia, USA

Full-time

Job ID: 2504636 Location: MCLEAN, VA, US Date Posted: 2025-06-25 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 60+ days ago | Updated 6 hours ago

Senior Avaya Engineer | Remote | Contract

Walker Healthforce

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Remote

Contract

Senior Software Engineer (AVAYA Integration & Automation, .NET, C#) | Government Clearance Required | 8+ years of Experience | Remote | Contract Walker Healthforce is seeking a Senior Software Engineer with 8+ years of experience to support a healthcare client. Candidates should have a strong background in development w/ direct knowledge of AVAYA automation and integration, .NET technologies, C#, and Microsoft SQL Server. This is a 4-month contract with potential for extensions. START DATE:ASAP
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Posted 42 days ago | Updated 16 days ago

Senior .Net Developer With React

Tekfortune Inc.

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Remote

Contract

Full stack .Net/React Remote Contract through end of year; high likelihood of extension Looking for Only W2 no C2C Project: Senior Developers: 50/50 Full Stack DevelopersFrontend - ReactJSTypical webformWeb APIsBackend - .Net Core, C#REST APIsAPI architecture - Web API to support the UI; REST on BEDB: use various - SQL Server, mySQL, SnowflakeServices are posted on AWSAll containerized with KubernetesDevs will handle all testing themselvesUnit TestingAutomated testing using Selenium for C#Story
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Posted 37 days ago | Updated 14 hours ago

Data Scientist

Newt Global

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Remote

Contract

Product & Functional Skills Looking for Sr. Data Scientist with deep expertise in machine learning, AI and a track record of developing production ML/AI solutions that are business impactful. As part of our team, you will be working side-by-side with high-impact engineers and strategic customers to solve complex problems. You will communicate trends and innovative solutions to stakeholders. You will work cross-functionally with several teams including engineering crews, product teams, and progr
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Posted 1 day ago

100% Remote -- Data Scientist (Gen AI)

Newt Global

•

Remote

Contract

Product & Functional Skills Looking for Sr. Data Scientist with deep expertise in machine learning, AI and a track record of developing production ML/AI solutions that are business impactful. As part of our team, you will be working side-by-side with high-impact engineers and strategic customers to solve complex problems. You will communicate trends and innovative solutions to stakeholders. You will work cross-functionally with several teams including engineering crews, product teams, and progr
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Posted 1 day ago | Updated 1 day ago