Senior Full Stack Developer
System One
Senior Full Stack Developer
Remote
We are seeking a Senior Full Stack Developer to support a federal cloud modernization and product development effort focused on scalable, secure, cloud-native applications hosted in AWS.
This is a remote opportunity supporting ongoing application modernization, technology migration, and product enhancement initiatives. The Senior Full Stack Developer will collaborate with client stakeholders, solution architects, product owners, UX designers, platform engineers, business analysts, and cross-functional technical teams to design, build, test, and deploy resilient software solutions.
The ideal candidate has strong hands-on experience with Python and JavaScript, modern web frameworks, RESTful APIs, microservices, cloud-native development, and AWS-based application delivery. Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI, Falcon, SQLAlchemy, React, Svelte, Angular, or similar technologies may also be considered.
Responsibilities include:
Designing, developing, testing, and deploying full-stack applications in an AWS cloud environment
Building secure, scalable, and resilient software solutions using Python, JavaScript, and modern frameworks
Developing RESTful APIs, microservices, and API-first application components
Supporting modernization, migration, and enhancement of existing applications and platforms
Collaborating with architects, product owners, UX designers, platform engineers, and business stakeholders
Creating demonstrations, prototypes, and technical solutions to address client needs
Participating in Agile development activities, code reviews, troubleshooting, and deployment support
Contributing to best practices around cloud-native development, containerization, security, performance, and maintainability
Required Qualifications:
6+ years of relevant full-stack software development experience
Bachelor’s degree preferred; 10 years of relevant experience may be considered in lieu of a degree
Strong professional experience with Python
Strong professional experience with JavaScript and modern frontend development
Experience developing RESTful APIs and working with microservices or API-first architectures
Experience building or supporting cloud-native applications in AWS
Experience with modern development practices, version control, testing, and Agile delivery
Ability to collaborate with technical and non-technical stakeholders in a remote, client-facing environment
Preferred Qualifications:
Experience with Django and Vue.js
Experience with Flask, FastAPI, Falcon, SQLAlchemy, React, Svelte, or Angular
Experience with PostgreSQL or other relational databases
Experience with Docker, Kubernetes, ECS, or other containerization/orchestration technologies
Experience supporting federal, public sector, financial services, or lending-related platforms
Experience with application modernization, cloud migration, or product development initiatives
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
#M1
#LI-CS1
Ref: #851-Rockville-S1
System One, and its subsidiaries including Joulé, ALTA IT Services, TeamPeople, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
- ...KDA Consulting Inc. is seeking a talented Full Stack Developer to support the design, development, and maintenance of enterprise-level applications within mission-driven environments. This role will focus on building scalable, secure, and high-performing systems that...SeniorFull time
$100k - $185k
...Overview As a Senior Full Stack Developer , you will work with a team of developers to deliver software features, APIs, and micro‑service solutions within an AI‑enabled software development environment. We are looking for candidates with 5-7 years of experience writing...Senior- Only accepting local candidates immediately local to the Washington, DCarea. We are seeking a Senior Full Stack Developer with strong Java expertise and a passion for building scalable, high-quality applications. This role requires a hands‑on engineer who can contribute...SeniorLocal areaImmediate start
- ...efficient, and cost-effective solutions that drive measurable results. Learn more at About the Opportunity DMI is seeking a Senior Full-Stack Developer to help build and modernize a mission-critical Department of Defense enterprise application. The system is an offline-...SeniorContract workInterim roleLocal areaRemote work
- ## Senior Full Stack DeveloperApplylocations: US - VA, McLeantime type: Full timeposted on: Posted Todayjob requisition id: 40611**Job Family... ...to Obtain Public Trust**What You Will Do:*** The Full-Stack Developer will work closely with clients, digital leaders, solutions...SeniorTemporary workFlexible hours
$140k - $155k
...Enterprise Knowledge (EK) is hiring a full-time Senior Full Stack Developer to join our growing Enterprise Delivery team. In this role, you will bridge the gap between robust software engineering and cutting‑edge Generative AI, leading the design, implementation, and deployment...SeniorFull timeFor contractorsH1bWork at office2 days per week$111.8k - $221.8k
...complex software systems, requiring deep technical expertise and strong leadership. They will ensure code quality, mentor junior developers, and manage project technical direction. Here's what you'll need : ~5 to 10+ years of experience building and maintaining...SeniorFull timeLive inWork at officeLocal area- ...flexibility, and ingenuity to strengthen and protect our nation’s vital interests. Requisition #: 1394 Job Tittle: Senior Full Stack Developer – Agentic AI and Data Engineer (2) Location: McLean, VA Clearance and eligibility: · Clearance optional but preferred...SeniorFull timeFor contractorsFor subcontractorWork at officeRemote work
- ...Sr Java Fullstack Developer McLean, VA – Hybrid Apply here: Required Skills 7-10 years of software development experience Strong analytical skills. Must be able to reason and communicate ideas to team. Be open minded and motivates team players. Experience with ID enabled...Senior
- Job Title: Senior Java Full Stack Developer Employment Type: W2 Only Experience: 10+ Years Job Summary We are seeking a highly experienced Senior Java Full Stack Developer with 10+ years of hands‑on experience designing, developing, and deploying enterprise‑scale applications...Senior
$130k - $170k
...We are seeking a Senior Full-Stack Developer with a strong background in building and architecting complex, data-driven systems. In this role, you’ll design and deliver modern applications, APIs, and services that process large volumes of structured and unstructured data...SeniorFull timeCasual work- ...shared goal. ______________________________________________________________________ We are seeking a highly skilled Senior Full Stack Developer's to design, develop, and maintain scalable web applications and services. You will work across the entire technology stack...SeniorFull time
- ...dedicated to providing governments worldwide its services of inspection, analysis, certification, and compliance. The Senior Full-Stack Developer builds the software that makes the service operable — the integration with the national customs system and port-community...SeniorFull timeWorldwide
- ...Join Our Team as a Senior Full Stack Developer About Us Harmonia Holdings Group, LLC, an esteemed minority and female owned federal government contractor, is dedicated to delivering cutting‑edge, high‑performance solutions to our government clients. We prioritize cultivating...SeniorFor contractors
- ...and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Title: Sr Full Stack Developer Location(s): Mclean, VA Job Description: You’ll have the opportunity to directly contribute to one of these initiatives that...Senior
$101.4k - $154.65k
...Configure Sitecore XM Cloud environments and Experience Edge • Develop custom Sitecore components and rendering logic • Implement... ...required. Advanced degree preferred. • Minimum 5 years of full-stack web development experience with two years of years Sitecore headless...SeniorFull timeTemporary workWork experience placementWork at officeFlexible hours$130k - $160k
...software engineering, and program management, we focus on developing and applying research tools and techniques to empower decision... ...Summary We are seeking an experienced and motivated senior level Full-Stack Developer to join our dynamic team in building custom...SeniorFull timeLocal areaFlexible hours$240k - $280k
Senior Fullstack Developer / Fixed Income Technology District Partners is recruiting for an established, well-capitalized mortgage REIT and fixed... ...prioritizing a focused group of high-caliber candidates. A stable, full-time career track with meaningful tenure and clear...SeniorFull timeRemote work- ...capabilities that advance their missions. From intelligent automation to full-stack digital platforms, we’re committed to building technology that... ...an impact. What We Are Building The Atlas Innovation Team develops modern, AI-enabled, full-stack software that accelerates...Senior
$150k - $165k
...potential is the limit of your curiosity. Join Team Karsun, and Find Your Next! Summary As a key member of the team, the Senior Full Stack Developer will be responsible for the entire software development lifecycle of assigned software components, from requirements gathering...SeniorWork experience placementH1bWork at officeLocal area- ...application due to a disability, contact this employer to ask for an accommodation or an alternative application process. Senior Full Stack Developer Full Time Herndon, VA, US 5 days ago Requisition ID: 3457 Job Description: Quevera is seeking a highly skilled Senior...SeniorFull timeTemporary work
- ...Benefits 401(k) Dental insurance Health insurance Paid time off Vision insurance Role Senior Full Stack Developer Location Washington, D.C. - Hybrid Job Description Seeking a Senior Full Stack Java Developer with 10+ years of experience designing, building, and optimizing...Senior
- ...Black Canyon Consulting (BCC) is searching for a Sr. Full Stack Developer to support our work for the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), an institute of the National Institutes of Health. This opportunity is...SeniorFull timeWork at officeRemote work
$177.3k - $211.4k
As a Senior Full-Stack Developer at Boeing Intelligence & Analytics (BI&A), you’ll be shaping a collaboration software platform based on the popular, open-source Drupal Content Management System and other open-source software products. You’ll support multiple deployments...SeniorContract workRemote workWorldwide$147k - $220.5k
..., build, and test efficiently. As a Sr. Front-End leaning, Full-Stack Software Development Engineer on the Fusion by Stoke Space team... ...a simple and intuitive manner. You will join a small team of developers, designers and testers and work closely with stakeholders. The...SeniorPermanent employmentFull timeShift work- ...Black Cape Title: Spectacular Full Stack Software Engineer (2+ years - Senior Level) Locations: Arlington, VA, Reston, VA and areas throughout the... ...Operations customers. Our engineer-led software teams develop technical solutions on an aggressive schedule across...SeniorFull timeFor subcontractor2 days per week3 days per week
$147k - $220.5k
...integrate, track, iterate, build, and test efficiently. As a Sr. Full-Stack Software Development Engineer on the Boltline by Stoke Space... ...thoughtful engineering. Responsibilities Design and develop end-to-end features across the full stack using React,...SeniorPermanent employmentFull timeInternship- ...As a Sr. Azure Full Stack Developer, you will participate in all phases of the software lifecycle with an emphasis on architecture, design, quality, and implementation. This role requires a self-sufficient, analytical developer with great communication skills that is...SeniorInterim roleLive inLocal area
$115k
...of existing code, process improvement recommendations, and automation of operations and maintenance tasks. The Software Engineer develops and implements technical efforts to design, build, and deploy applications under the direction of lead architects, including large...SeniorFull timeFlexible hours- ...As a .NET Full Stack Developer, you will play a critical role in the development and maintenance of web applications and services. You will be responsible for designing, coding, testing, and deploying high-quality software solutions using the .NET framework and associated...SeniorFull time
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Full Stack Developer. Be the first to apply!
- junior full-stack web developer McLean, VA
- remote .net full stack web developer McLean, VA
- senior java full-stack developer McLean, VA
- senior full stack web developer McLean, VA
- senior full stack developer McLean, VA
- full stack / python developer (remote) McLean, VA
- full stack developer remote McLean, VA
- c# .net full stack developer McLean, VA
- full time engineer McLean, VA
- java full stack angular developer McLean, VA


