UX/UI Software Engineer 3

Columbia Technology Partners; Corridor North (MD); On-site; USD 150,000 - 210,000; Full time

Job summary

Columbia Technology Partners seeks a Software Engineer 3 to lead front-end development for complex mission software systems. The role supports the full software lifecycle in an agile environment, focusing on scalable, accessible, and production-ready user interfaces while providing technical leadership to a UI team.

The ideal candidate works hands-on across the stack, collaborates closely with UX/UI designers, system engineers, backend developers, and product stakeholders to deliver high-quality

Qualifications

• Bachelor’s degree in Computer Science or related discipline; 12+ years of software engineering experience; degree substitution allowed for four additional years of experience.
• Proven experience leading, mentoring, or providing technical direction to software development or UI/front-end teams.
• Strong proficiency with modern front-end frameworks (React/Angular/Vue) and HTML, CSS, JavaScript, responsive design, and component-based architecture.

Responsibilities

• Lead and mentor a team of UI/front-end developers, providing technical guidance and best practices.
• Architect, design, and implement scalable, maintainable front-end solutions using modern frameworks.
• Translate prototypes and design specs into responsive, accessible, production-ready interfaces.

Skills

Mentoring/team leadership

Agile methodologies

Communication with stakeholders

Architectural thinking

Education

Bachelor’s degree in Computer Science or related discipline

Tools

React

Angular

Vue

HTML/CSS/JavaScript

RESTful APIs

GraphQL

Node.js

Job description

Description

Columbia Technology Partners is seeking a Software Engineer 3 to lead front‑end development efforts for complex mission software systems. This role will support the full software development lifecycle in an agile environment, with a focus on building scalable, accessible, and production‑ready user interfaces while providing technical leadership to a team of UI/front‑end developers. The ideal candidate will be hands‑on in development, comfortable working across the stack, and able to collaborate closely with UX/UI designers, system engineers, backend developers, and product stakeholders to deliver high‑quality software solutions.

Key Responsibilities

• Lead and mentor a team of UI/front‑end developers, providing technical guidance, code review, development standards, and best practices.
• Architect, design, and implement scalable, maintainable front‑end solutions using modern frameworks and component‑based development approaches.
• Translate prototypes, wireframes, and design specifications into responsive, accessible, and production‑ready user interfaces.
• Analyze user requirements to derive software design, performance, accessibility, and implementation requirements.
• Collaborate with backend engineers to design and integrate RESTful or GraphQL APIs, ensuring efficient data flow between front‑end and backend systems.
• Contribute to full‑stack development efforts as needed, including backend services, database interactions, API integration, and deployment support.
• Debug existing software, resolve defects, address performance bottlenecks, and improve overall application quality and maintainability.
• Partner with UX/UI designers, system engineers, and product stakeholders to preserve design intent while meeting technical and mission requirements.
• Establish and enforce front‑end coding standards, documentation practices, component reuse strategies, and software development process improvements.
• Develop, modify, integrate, and test software components to meet design, performance, interface, and functional requirements.
• Participate in sprint planning, technical estimation, architectural decision‑making, and agile software development activities.
• Ensure compliance with accessibility standards, including Section 508 and WCAG, throughout design and development.
• Recommend new technologies, tools, and processes to improve complex software development efforts.
• Oversee quality control of developed and modified software while coordinating programming and testing responsibilities across the team.

Qualifications

• Bachelor’s degree in Computer Science or related discipline and 12+ years of software engineering experience; four additional years of relevant software engineering experience may be substituted for a degree.
• Proven experience leading, mentoring, or providing technical direction to software development or UI/front‑end development teams.
• Strong proficiency with modern front‑end frameworks such as React, Angular, or Vue, along with HTML, CSS, JavaScript, responsive design, and component‑based architecture.
• Experience developing, debugging, integrating, testing, and documenting software in complex environments while collaborating with users, system engineers, and technical stakeholders.

Desired Skills

• Full‑stack development experience, including backend development with technologies such as Node.js, Python, Java, RESTful APIs, GraphQL, databases, or deployment pipelines.
• Experience working closely with UX/UI teams to implement accessible, user‑centered interfaces that align with design specifications and usability goals.
• Familiarity with Git, CI/CD pipelines, cloud environments such as AWS, Azure, or GovCloud, and modern agile development practices.
• Experience with tiered architectural systems, Linux/Ubuntu environments, performance optimization, cross‑browser compatibility, and technical debt reduction.

Requirements

• U.S. Citizenship is required for all applicants. CTP is an equal‑opportunity employer and abides by applicable employment laws and regulations. All applicants and employees are subject to random drug testing in accordance with Executive Order 12564. Employment is contingent upon successful completion of a security background investigation and polygraph.
• This position requires an active Security Clearance with appropriate Polygraph.

Equal Employment Opportunity Statement

Columbia Technology Partners is an Equal Opportunity Employer. We consider applicants without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, or membership in any other group protected by federal, state, or local law. Our EEO policy applies to all employees, job candidates, contractors, stakeholders, partners, and visitors.