Senior Front End Developer

Lentech Inc.; Maryland; On-site; USD 215,731 - 230,393; Full time

Job summary

Lentech, Inc. is seeking an Experienced UI Front End Software Engineer (SWE3) to lead a talented team of UI developers.

You will design front-end architecture, set coding standards, and stay hands-on through the full software lifecycle in an agile environment. The ideal candidate will translate UX/UI designs into accessible, production-ready interfaces, mentor junior developers, and collaborate with system engineers and product stakeholders to resolve technical challenges while driving

Qualifications

• Bachelor's degree in Computer Science or related discipline is required; 4 years of additional SWE experience may substitute for the degree.
• Ten+ years? The HTML specifies twelve (12) years' experience as a SWE in similar scope is required.
• Experience leading or mentoring a development team.
• Proficiency with modern front-end frameworks (React, Angular, Vue) and standard web technologies (HTML, CSS, JavaScript).
• Full-stack experience including backend development and API design (RESTful/GraphQL).
• Experience with state management, component-based architecture, and responsive design.
• Familiarity with Git, CI/CD pipelines, and cloud environments (AWS/Azure GovCloud is a plus).
• Experience collaborating with UX/UI and systems engineers to implement accessible interfaces.

Responsibilities

• Lead a team of UI developers, defining front-end architecture and coding standards while remaining hands-on.
• Translate UX/UI designs into accessible, production-ready interfaces and mentor junior developers.
• Develop and debug software across the full stack in an agile environment.
• Architect scalable, maintainable front-end solutions using modern frameworks.
• Ensure accessibility standards (WCAG/Section 508) are met across interfaces.
• Analyze requirements, derive design and performance standards, and optimize performance.
• Collaborate with UX/UI and systems engineers to preserve design intent in implementation.
• Participate in sprint planning, estimation, and architectural decisions.
• Identify and resolve cross-browser issues and technical debt.

Skills

React

Angular

Vue

HTML

CSS

JavaScript

State management

Responsive design

Git

CI/CD

AWS/Azure

RESTful/GraphQL

Education

Bachelor's degree in Computer Science or related field

Tools

Git

CI/CD pipelines

Linux/Ubuntu

Job description

Responsibilities

• Experienced UI Front End Software Engineer (SWE3), directly meeting mission-critical needs in partnership with mission customers.
• This individual will lead a team of UI developers, designing front-end architecture and coding standards while remaining hands-on in development across the full software product lifecycle in an agile environment.
• Responsibilities span analyzing user requirements to derive design and performance standards, developing and debugging software, integrating systems, and implementing algorithms to meet performance goals.
• The ideal candidate has front end experience, translates UX/UI designs into accessible, production-ready interfaces, and mentors junior developers while collaborating closely with system engineers and product stakeholders to resolve technical problem areas.
• Lead and mentor a team of UI/front-end developers, providing technical guidance, standards, and code review.
• Architect and implement scalable, maintainable front-end solutions using modern frameworks.
• Translate prototypes and design specifications into functional, responsive, and accessible interfaces.
• Partner with UX/UI and systems engineers to ensure design intent is preserved through implementation.
• Identify and resolve performance bottlenecks, cross-browser issues, and technical debt.
• Participate in sprint planning, technical estimation, and architectural decision-making.
• Ensure compliance with accessibility standards (e.g., Section 508, WCAG) throughout development.

Required

• Active and current TS.SCI w FSP through MD.
• Twelve (12) years' experience as a SWE in programs and contracts of similar scope, type, and complexity is required.
• Proven experience leading or mentoring a development team.
• Strong proficiency in modern front-end frameworks (e.g., React, Angular, Vue) and standard web technologies (HTML, CSS, JavaScript).
• Full-stack experience, including backend development (e.g., Node.js, Python, Java, RESTful/GraphQL API design).
• Experience with state management, component-based architecture, and responsive design.
• Familiarity with version control (Git), CI/CD pipelines, and cloud environments (AWS, Azure, or GovCloud is a plus).
• Experience working closely with UX/UI and systems engineers to ensure accurate implementation of accessible interfaces.
• Experience working with tiered architectural systems and in a Linux/Ubuntu environment is a plus.

Education

• Bachelors degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelors degree.

Salary range for this position: $215,731.00 – $230,393.00

Equal Employment Opportunity

Lentech, Inc. is an Equal Employment Opportunity (EEO) employer and considers all qualified applicants for employment without regard to race, color, religion, gender identification, national origin, sexual orientation, age, marital status, disability, protected veteran status, or any other factor prohibited by applicable law.

We are proud of the diversity of our staff and seek diversity in our applicants.