Front End Developer
System One
Job Description
Job Description
MUST BE LOCAL TO ONE OF THE LOCATIONS BELOW FOR AN ONSITE INTERVIEW
Job Title: Senior Front-End Engineer
Location: Hybrid reporting to Vienna or Winchester, VA, Pensacola, FL or San Diego, CA
Hours: Monday – Friday, 8:00 AM – 4:30 PM
Pay Rate: Open to Both C2C and W2 options
Position Type: Multiyear Contract
Overview
We are seeking a Senior Front-End Engineer with deep expertise in Angular 17+, modern web technologies, and enterprise-scale UI development. The ideal candidate combines strong technical expertise with a passion for user experience, accessibility, scalability, and engineering excellence. This individual will partner closely with Product, UX, Architecture, and Engineering teams to deliver consistent, responsive, and maintainable user experiences across web applications while helping establish front-end standards and best practices.
Responsibilities
Design, develop, and maintain responsive, accessible, and performant web applications using Angular and modern web technologies.
Build reusable UI components, libraries, and frameworks that promote consistency and scalability across Digital platforms.
Partner with UX designers, architects, and application teams to translate designs into high-quality user experiences.
Establish and maintain enterprise design system components, patterns, and styling standards.
Drive front-end architecture decisions and provide technical leadership on complex initiatives.
Conduct code reviews and promote best practices for maintainability, performance, accessibility, and security.
Collaborate with backend and platform engineering teams to integrate REST APIs and shared services.
Build and maintain CI/CD processes and automation using Azure DevOps.
Identify and resolve performance bottlenecks, accessibility issues, and technical debt.
Mentor and provide guidance to other front-end engineers.
Participate in production support, troubleshooting, root cause analysis, and operational readiness activities.
Leverage AI-assisted development tools to improve productivity, code quality, testing, and development efficiency.
Help define and enforce front-end development standards, governance, and engineering best practices.
Required Skills & Experience
Expert-level experience developing applications using Angular 17+.
Strong proficiency with TypeScript, JavaScript, HTML5, CSS3, and SCSS.
Experience developing large-scale Single Page Applications (SPAs).
Experience building and maintaining reusable component libraries and design systems.
Experience working with enterprise-scale codebases and shared styling frameworks.
Strong understanding of responsive web design and cross-browser compatibility.
Experience implementing accessible solutions that meet WCAG accessibility standards.
Experience working with REST APIs and integrating frontend applications with backend services.
Experience with Git-based source control, pull requests, and branching strategies.
Experience with Azure DevOps, including Repos, Pipelines, and CI/CD practices.
Experience writing unit, integration, and component tests using frameworks such as Jest, Karma, or similar tools.
Strong understanding of software architecture principles, design patterns, and SOLID principles.
Experience working within Agile delivery teams.
Familiarity with AI-powered development tools (e.g., GitHub Copilot, AI-assisted code generation, testing, and debugging).
Preferred Qualifications
Experience with NX Monorepo architecture and workspace management.
Experience with Storybook or similar component documentation tools.
Experience with Bootstrap, ng-Bootstrap, or similar UI frameworks.
Experience integrating third-party components into enterprise design systems.
Knowledge of frontend performance optimization techniques and observability tools.
Experience supporting digital banking or financial services applications.
Experience contributing to platform modernization initiatives.
Technical Stack
Angular 17+
TypeScript
JavaScript
HTML5
CSS3 / SCSS
Azure DevOps
Git
REST APIs
NX Workspace
Storybook
Bootstrap / ng-Bootstrap
\nCompany DescriptionSystem One is a leading provider of specialized, highly technical services and solutions to critical infrastructure, technology, life sciences, and government sectors. We partner with large private and public organizations who trust us to execute their complex, mission-critical initiatives through our outsourced services and workforce solutions.
Company Description
System One is a leading provider of specialized, highly technical services and solutions to critical infrastructure, technology, life sciences, and government sectors. We partner with large private and public organizations who trust us to execute their complex, mission-critical initiatives through our outsourced services and workforce solutions.
$69.4k - $158k
Front End DeveloperThe 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 developsoftware, but to help create a system that will make a difference...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote work$150k
...Kadiak, LLC, a Koniag Government Services company, is seeking a UI Developer with a TS clearance to support Kadiak and our government customer in Vienna, VA. We offer competitive compensation and an extraordinary benefits package including health, dental and vision...SuggestedLocal areaFlexible hoursKoniag Government Services
Vienna, VA4 days ago- ...Senior Front End Developer Jersey City, New Jersey, United States; McLean, Virginia, United States; Richmond, Virginia, United States Who We Are: Exiger transforms supply chains into a strategic advantage, advancing our mission to make the world a safer and more...Suggested
Exiger
McLean, VA3 days ago - ...and Responsibilities: - Shall perform engineering tasks for front-end design and development efforts including, but not limited to,... ...development programs/projects. - Practical experience developing in a cloud environment - Experience designing,...SuggestedMinimum wageContract workTemporary workWork experience placementRemote work
MAXIMUS
McLean, VA3 days ago - ...SQL. Strong interpersonal and relationship building skills Develop and maintain complex, reusable Angular components as part of a... ...challenges in real time. Write and maintain unit, integration, and end-to-end test cases for Angular components to ensure reliability...Suggested
Samprasoft
McLean, VA5 days ago - ...Job Title: UI/UX DEVELOPER Location: Mclean,VA Duration: 12+ Months Visa: USC, GC, H1B and EAD Contract Type... ...models. The candidate will develop and support the front-end (presentation layer) of the application. They will build, test...Contract workH1bFlexible hours
Btree Solutions
McLean, VA4 days ago - ...UI Developer We are seeking a mid-to-senior level UI Developer to support a long-term project for a program with the FBI with one of our GovCon clients. This role involves creating new software and modifying existing applications to ensure efficiency and integrity between...Remote work
Apex Systems
Vienna, VA3 days ago - ...advice on this job and more exclusive features. Position: UI Developer (Angular with Java) Location: McLean, VA (Onsite) Work Type:... ...production and development environments. Stay updated with the latest front-end technologies and industry trends. Required Skills 8+ years...Work experience placement
- ...strong experience in modern frontend technologies and cloud platforms. The ideal candidate will be responsible for designing and developing intuitive, responsive, and user-friendly web applications while collaborating closely with cross-functional teams. family:Calibri...
Kanshe Infotech
Vienna, VAmore than 2 months ago - ..., and design standards across multiple applications. Create service blueprints and end-to-end experience maps to align cross-functional teams UI Design & Prototyping Develop interactive prototypes using tools such as Figma, Adobe XD, or similar, to explore concepts...
Closure Technologies
McLean, VAmore than 2 months ago $70 - $75 per hour
A leading consultancy firm is seeking an immediate need for a UI Developer in McLean, VA. This is a 6-month contract opportunity requiring strong front-end development experience, with proficiency in Angular, JavaScript, and TypeScript. Ideal candidates should have a background...Hourly payContract workImmediate start- ...expertise to protect our country from threats. Job Description Deliver simple solutions to complex problems as a Front End Software Developer at GDIT. Here, you’ll tailor cutting-edge solutions to the unique requirements of our clients. With a career in...Work experience placement
General Dynamics Information Technology
McLean, VAmore than 2 months ago - A defense industry leader is looking for a Mid-Senior level Software Engineer to develop modern web interfaces and software applications. Candidates should have an active Top Secret security clearance, experience with software development on Linux, and skills in Angular...Flexible hours
$144.8k
...Overview Jr. Front End Developer Vienna, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If so, Chenega...Work at officeWork from homeHome officeChenega MIOS
Vienna, VA1 day ago- ...user experiences on AWS while adhering to Section 508 and federal standards. Within Agile teams, you will ensure production-ready front-end code, drive design system reuse, and uphold HCD principles across program #J-18808-Ljbffr General Dynamics Information Technology
- A fintech company in McLean, VA is seeking a Senior UI/UX Engineer with over 7 years of experience. The ideal candidate must demonstrate proficiency in HTML5, CSS3, and SCSS, along with a solid understanding of UI/UX principles and design tools like Figma. Responsibilities...Remote jobFull time
- ...fast‑growing fintech provider in lending as a Senior UI/UX Engineer working closely with requirement analysts and operations teams to develop, test, and support a mortgage lending application. You will be required to complete assigned tasks in a fast‑paced, agile...Full timeWork at officeRemote workMonday to FridayFlexible hours
- ...design efforts. The ideal candidate will have a TS/SCI clearance and a Bachelor's degree in a relevant field. This role involves developing high-fidelity UI designs, accessibility standards compliance, and collaboration with engineering teams. A minimum of 8 years of experience...
$70 - $75 per hour
...range $70.00/hr - $75.00/hr Immediate need for a talented UI Developer . This is a 06 months contract opportunity with long-term potential... ...and Technology Experience Must have 5 years of strong front end development experience, with a background in UI components. Candidate...Contract workLocal areaImmediate start$128.04k - $173.23k
..., production-ready code. Working within Agile teams alongside developers, architects, and product owners, this role ensures that all CMM... ...prototypes into responsive, accessible and performant front-end code. Ensure all designs comply with Human-Centered Design (HCD...Temporary workWork at officeImmediate startWorldwideFlexible hours- ...Duties May Include: Design, develop, and maintain back-end services and APIs Collaborate with front-end developers and stakeholders to deliver end-to-end solutions Build and enhance CI/CD pipelines to improve deployment speed and reliability Ensure application...Full timeContract workTemporary work
Trinity Global Consulting
Springfield, VA1 day ago $140k - $165k
...and solution delivery starts with understanding each client’s end-state, and then seamlessly integrating within each Agency’s... ...and technical operations and deployments. BDR is seeking a Front-End Developer SME to join our growing team! This position will be performed...Remote jobFull timeFor contractorsWork at officeWork from homeHome officeBdr Solutions Llc
Herndon, VA1 day ago- ...Front-End Developer Location: On-site at the National Geospatial-Intelligence Agency (NGA) Clearance Required: Active TS/SCI Employment Type: Full-Time About Aerstone Aerstone is a cybersecurity and software development firm dedicated to delivering...Full time
Aerstone
Springfield, VA1 day ago $140k - $160k
...0,000.00/yr Fairfax, VA/Chantilly, VA Applications will be accepted on an ongoing basis. Essential Duties And Responsibilities Develop intuitive, responsive, and modern browser-based user interfaces. Research, design, develop, and test of software applications for...Full timeFlexible hours- ASRC Agile Decision Sciences is seeking a full-time Geospatial Front-End Developer to join to design, build, and maintain our web-based mapping application that supports mission-critical geospatial workflows. The ideal candidate will be highly proficient in modern JavaScript...Full time
$96.9k - $247.9k
About the TeamHere at BTI360, we’ve built a culture that’s passionate about developing software engineers. Software doesn't build itself. People do. In fact, teams of people do. That's why our primary focus is on developing better craftsmen, better teammates, and better...Full timeImmediate start$115k - $135k
...Overview Black Canyon Consulting (BCC) is searching for a Front-End Developer to build and support dynamic applications with complex data flows for our public sector clients. BCC is a company of technologists, scientists, analysts, engineers, and consultants. Our...Full timeNih-ncbi
Bethesda, MD1 day ago- ...located in Chantilly, Virginia, and requires an active TS/SCI Poly clearance be in place PRIOR to application The Front-End Software Engineer will design and develop complex new software products, or make significant enhancements to existing software. The ideal candidate is...Full time
Leading Path Consulting
McLean, VA1 day ago $131.3k - $237.35k
...and classified federal environments. You will bridge design and front-end development, translating complex mission data into accessible,... ...stakeholders and analysts.UI/UX Design & Implementation: Design and develop intuitive, responsive user interfaces for web-based...Full timeFor contractors$110k - $135k
...video: Job DescriptionJoin the growing Warfare Systems Business Group at HII-Mission Technologies! We are seeking a Full Stack Front-End Developer Mid-level (Software Development Analyst) to support the Defense Security Cooperation Agency (DSCA), Office of the CIO. In...Full timeWork at officeLocal areaWork from homeWorldwideHome office
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Front End Developer. Be the first to apply!
- front end web developer part time Vienna, VA
- remote front end web developer Vienna, VA
- entry level front end web developer Vienna, VA
- frontend internship remote Vienna, VA
- senior front end engineer
- principal front end engineer
- junior frontend developer
- front end web developer part time
- front end javascript engineer
- senior frontend developer