Trainee Frontend Javascript Developer Jobs in Reston, VA

Technica is seeking a Front End Developer, Senior.  As a Senior Frontend Developer, you will play a pivotal role in architecting, building, and optimizing modern user interfaces that support missioncritical applications. You will lead the development of scalable, highperformance frontend solutions using React, TypeScript, JavaScript, Node.js, and AWShosted environments, ensuring seamless integration with .NET backend services. In this role, you will mentor midlevel developers, set engineering standards, and champion best practices in code quality, accessibility, and performance. You will collaborate closely with designers, backend engineers, product owners, and mission stakeholders to deliver intuitive, secure, and reliable user experiences that meet evolving customer and program needs. Drawing on deep technical expertise and strong problemsolving skills, you will help guide architectural decisions, drive continuous improvement, and ensure frontend components operate effectively within enterprisegrade systems.

Responsibilities:

• Lead the design and development of responsive, high-performance user interfaces using Node.js, React, JavaScript, TypeScript, HTML, and CSS
• Architect modular, maintainable, and scalable UI component libraries aligned with modern engineering standards
• Mentor and provide technical guidance to mid-level and junior frontend developers, including reviewing code, coaching on best practices, and supporting skill development
• Integrate frontend applications with backend .NET services using REST APIs, JSON, and XML
• Drive client-side state management patterns, rendering optimization, and performance tuning for enterprise-grade applications
• Collaborate closely with UX/UI designers, backend engineers, and product owners to ensure seamless end-to-end functionality
• Establish and enforce coding standards, accessibility guidelines, and quality controls across the frontend codebase
• Use Git and GitLab for version control, branching strategies, and merge request workflows
• Troubleshoot complex UI issues across environments, platforms, and browsers, providing root-cause analysis and actionable remediation
• Operate within AWS cloud-hosted environments and support integration, deployments, and environment troubleshooting
• Promote a culture of high-quality engineering through code reviews, design reviews, and knowledge-sharing sessions
• Support planning, estimation, and architectural discussions for new features and modernization efforts
• Partner with teams to ensure frontend solutions meet accessibility, security, and performance requirements
• Review code and container scans and remediate both code and package vulnerabilities on a regular basis.

The position would be located at a government facility in Washington, D.C. and require work to be performed onsite. Any hybrid work schedule would require customer approval. The government has established policies for on-site vs hybrid work which varies across divisions and contracts. Where allowed, remote work must be coordinated with the team lead and/or government POC, ensuring there is zero interruption with the delivery of our services.

The annual base salary range for this position is $157,000 - $185,000. Please note that the salary information is a general guideline only. Technica considers factors such as scope and responsibilities of the position, candidate's work experience, education/training, key skills, location, as well as market and business considerations when extending an offer.

• Active Top-Secret with SCI and CI Poly eligibility
• Bachelor's degree in computer science or related field or equivalent education and/or years experience.
• 10 years related technical experience.
• 8+ years of experience developing modern frontend applications using React, JavaScript, TypeScript, and Node.js
• Advanced experience building UI components with HTML, CSS, Sass, and responsive design frameworks
• Strong experience integrating with REST APIs and working with JSON and XML data formats
• Proficiency with Git and GitLab for source control, collaboration, and code review workflows
• Ability to design, refactor, and maintain scalable frontend architectures in cloud environments (AWS preferred)
• Deep understanding of frontend performance optimization, browser behavior, debugging techniques, and application profiling
• Demonstrated ability to mentor developers and lead best-practice discussions across the engineering team
• Experience building cloud-native solutions in AWS
• Experience with YAML and CI/CD pipeline development (GitLab CI preferred)
• Experience with package scan vulnerability remediation
• Experience with integration with .NET APIs or full stack environments
• Excellent communication skills with the ability to articulate technical decisions and collaborate with cross-functional teams

• Experience with automated UI testing frameworks (Jest, React Testing Library, Cypress)
• Familiarity with accessibility standards (Section 508, WCAG)
• Familiarity with JFrog Artifactory
• Familiarity with Jira for DevOps

About Technica: 

At Technica Corporation, our goal is to provide exceptional professional services and innovative technology solutions that meet or exceed our customer's expectations. We specialize in a wide range of advanced information technology solutions from Systems Engineering to Cyber Security, and from Software Development to Product Solutions. From our locations across the DC Metro area, Hampton, Virginia, and Huntsville, Alabama, we provide technological subject matter expertise, program management and business process knowledge as a trusted advisor in support of our Department of Defense and other Federal Agency customers.

EQUAL EMPLOYMENT OPPORTUNITY

It is Technica's policy to affirmatively support Equal Employment Opportunity (EEO) for all qualified individuals without regard to color, gender, religion, creed, national origin, age, race, disability, gender identity, genetic information, sexual orientation, marital status, veteran status or any other characteristic protected by law. This policy covers all aspects of the employment relationship including recruiting, hiring, compensation, assignment, promotion, transfer, training, working conditions, employment longevity, retirement, employee benefits and termination.

Technica's EEO philosophy promotes equal employment opportunity throughout the organization. Any form of unlawful employee harassment based on the above mentioned characteristics is prohibited. Equal Opportunity Employer Minorities/Women/Vets/Disabled/Gender Identity/Sexual Orientation.