Average salary: $105,244 /yearly
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- Key Responsibilities Design, develop, and maintain scalable full stack web applications using Ruby on Rails and modern frontend technologiesBuild responsive and high-performance user interfaces using VueJS, ReactJS, TypeScript, BlueprintJS, TailwindCSS, and/or BootstrapDevelop...SuggestedFull timeMonday to Friday
$86.8k - $198k
Back-End DeveloperThe Opportunity:As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We’re looking for an experienced back-end developer with the...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work$86.8k - $198k
Back End DeveloperThe Opportunity: As a software engineer, you know that good software is more than just a nice-looking interface and data... ...of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We’re looking for a software engineer...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work$180k - $240k
...deployment, including whole feature architecture Plan, design, and develop systems with complex performance scale considerations Use,... ...interviewing at ClearanceJobs by 2x Get notified about new Back End Developer jobs in Washington, DC . Washington, DC $120,000...SuggestedFull timeRemote workWorldwideWeekend workClearanceJobs
Washington DC1 day ago$180k - $220k
...About the Team STR’s Intelligence Division researches and develops advanced analytics and machine learning-based solutions to solve... ...around the globe. The Role: As a Lead Software Engineer / Back-End Developer, you will join a cross-functional team tasked with implementing...SuggestedFull timeLocal areaNight shiftStrå
Arlington, VA12 hours ago- Job Detail Organization: GeoAcuity Title: Back-End Developer Location: On-site — St. Louis, MO | DC Metro | Springfield, VA | Redlands, CAPosted: 2026-07-07 Application Deadline: Position Description: Back-End Developer GeoAcuity, LLC | SDVOSB / California DVBE...SuggestedFull time
- Who is Fusion Technology?Fusion Technology is a performance-driven HUBZone Small Business concern residing in the heart of the beautiful mountainsides of West Virginia, steps away from the Federal Bureau of Investigation's Criminal Justice Information Services Division'...SuggestedTemporary workWork at office
$112.13k - $186.88k
...company that is a recognized innovator in global education. For over 25 years, Turnitin has partnered with educators and institutions to develop learning integrity solutions that recognize the enduring value of critical thinking in a rapidly changing world. Over 16,000...SuggestedRemote workHome office$135k - $200k
...it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions... ...problems and empowering developers and end-users to do their work optimally. If you’... ...Paid leave for new parents and subsidized back-up care for all parents• Fertility and...SuggestedFull timeWork experience placementWork at officeRemote workWork from homeRelocation package$119.7k - $199.3k
...through the development of AI and personalization features facing end users. As a senior engineer, you will collaborate with cross-... ...maintain full-stack web applications using Python and AWS services.Develop and optimize database schemas and queries, primarily using...SuggestedFull timePart timeFlexible hours- ...Government Customer, we will likely not get back to you. It is a REQUIREMENT of the job.***... .... Our engineer-led software teams develop technical solutions on an aggressive schedule... ...solutions and have frequent interaction with end users to produce and deploy solutions....SuggestedFull timeFor subcontractor2 days per week3 days per week
Black Cape
Arlington, VA12 hours ago - ...and direct PSP connections. Responsibilities Build and maintain API integrations with multiple PSPs Implement payment routing logic Develop webhook handlers Implement tokenization flows Support subscription billing logic Ensure resilience, observability, and clean error...SuggestedFull timeContract workRemote workFlexible hours
GrabJobs
Washington DC1 day ago $160k - $216k
...their contributions, so they can secure their financial future without losing the money they need for daily expenses. We are venture-backed by Y Combinator, Valor Equity Partners, Softbank, and heavy hitters like the former COO of Venmo and the President of Impossible...SuggestedWork at officeRemote workWork from homeGrabJobs
Washington DC4 days ago- ...building and optimizing our backend services and infrastructure, working with modern technologies across our stack. Key Responsibilities Develop and maintain backend services and APIs in Go Design and optimize PostgreSQL schemas and queries for high-volume data Build reliable...SuggestedLocal areaRemote workShift work
GrabJobs
Washington DC3 days ago $100k
...Apple, Google, Paypal, Western Union, and others. Currently, we are looking for entry-level software programmers, Java full-stack developers, Python/Java developers, data analysts/data scientists, and machine learning engineers for full-time positions with clients. Who...SuggestedFull timeH1bRemote workSynergisticIT
Washington DC2 days ago$87.1k - $157.45k
...driven application used across the organization for analytics and reporting. You’ll help build and maintain core backend services, develop RESTful APIs, support data‑driven functionality, and contribute to ongoing system enhancements within a Linux‑based environment. Your...Full time- ...more. You thrive in a flat organization, appreciate transparency and actively pursue new ideas. \n What You Will Do Design, develop, and optimize Alloy.ai ’s computation engine and data platform backend, enabling critical functionalities such as forecasting,...Full timeWork experience placementWork at officeRemote workFlexible hours3 days per week
Alloy.Ai
Washington DC12 hours ago $80k - $120k
...and build scalable services to process large volumes of RF data, develop APIs for integrations, and help shape the foundation of our... ...You’ll work closely with RF engineers, data scientists, and front-end developers to deliver mission-critical technology that has real-...Full timeRemote work- ...(Java, Kotlin, C#, Python) or systems language (C, C++, Rust) with strong system design aptitude. You have led technical initiatives end-to-end, including architecture, execution, and delivery. You have experience designing distributed systems (e.g., event-driven architectures...Full timeWork at officeFlexible hours
Twenty Inc.
Arlington, VA3 days ago $115k - $141k
...ability to navigate unfamiliar codebases while continuously improving the systems around you. What You’ll Do Build and Deliver Design, develop, and maintain scalable backend services and APIsBuild integrations with internal and third-party systemsContribute to customer-...Work at officeRemote workFlexible hours$185k - $215k
...reliability Build reliable integrations across geospatial, media, reporting, asset management, and third-party vendor systems Develop and maintain ETL and data migration processes for imagery, geospatial, and operational data Directly manage 3 to 4 senior...Remote jobFull timeTemporary workSite Technologies
Washington DC12 hours ago- ...Incorporated, is seeking an exceptional Full Stack Developer to support the design, development,... ...a Python/FastAPI backend, ReactJS front end, PostgreSQL databases, and Docker-based... ...ReactJS front-end and Python/FastAPI back-end layers.Build and maintain RESTful APIs...Permanent employmentFull timeContract workWork at officeLocal areaFlexible hours
$86k - $138k
...engineering expertise directly strengthens national security. In this role, you’ll build modern, mission‑critical applications from front to back, contributing to tools used by federal cyber operations.Location: Arlington VA. Hybrid schedule; on-site presence as needed.What You...Contract workCasual workShift work- ...environments. • Mentor fellow engineers through constructive code reviews, pair programming, design discussions, and knowledge sharing. • Develop well-defined written design documents and contribute to a culture of technical excellence. Qualifications: Required: • 5+ years of...Remote jobFull time
$170k - $216k
As a Sr. Full Stack Developer (Cross Platform), you’ll design, build, and sustain secure iOS and Android applications with the goal of delivering mission-critical mobile capabilities across the federal government. Our engineering team is responsible for building and operating...Full timeLocal areaImmediate start$98k - $163k
...Design, build, and maintain backend services in Node.js/Express, exposing secure REST APIs for MeSH editing and browsing.Develop responsive Angular front-ends (Angular Material, Bootstrap, RxJS) for record, concept/term, and tree editing and for public search.Implement and...Full timeFlexible hours$20k
...Firms to Work for in 2012″ by Staffing Industry Analysts! Job Description My client is seeking a Full Stack LAMP Developer, mostly front end but backend knowledge is a plus. Ruby is also a huge plus! This is a dynamic client in the DC area that likes to work...Full timeImmediate startVeredus
Washington DC12 hours ago$150k - $200k
...About Us: SwarmInt is a defense AI startup developing computer vision and edge AI capabilities for military expeditionary forces with active contracts supporting the DoD and Intelligence Community. Job Description: Join our engineering team as a Full Stack...Full timeSwarmint
Arlington, VA12 hours ago$65 - $70 per hour
...architecture (SOA) Comfortable working in Kubernetes‑based infrastructure environments Strong sense of ownership and ability to work end‑to‑end from concept to production Familiarity with collaborative development practices like code reviews and CI/CD pipelines Nice to...Contract workLocal areaRemote work- ...innovative, measurable results. Position Overview Full Stack Developer with experience building cloud-native applications using Java/... ..., and Bootstrap Experience designing unit, integration, and end-to-end automated tests (JUnit, Mockito, Jest, Cypress, or Playwright...Remote jobHourly payFull timeFlexible hours
Viderity Inc.
Washington DC12 hours ago
