Senior UI Engineer Job at Mondo in Baltimore

Apply now: Senior UI Engineer - Hybrid (Baltimore, MD). The start date is within 2 weeks of offer for this 8-month contract position (ending May 31, 2026).

Job Title: Senior UI Engineer
Location-Type: Hybrid (Baltimore office preferred, remote considered for strong candidates)
Start Date Is: 2 weeks from offer (or ASAP)
Duration: 8+ months (Contract, ending 5/31/2026, potential extension, no conversion)
Compensation Range: $75.00-$85.00/hr W2

We are actively seeking a Senior UI Engineer. In-depth knowledge of user interface models, application design, and website functionality. Proficient with front-end languages including HTML, JavaScript, and CSS. Familiarity with prototyping tools including InVision Studio, Balsamiq, and Sketch. Advanced problem-solving skills.

Responsibilities:

• Full-Stack Expertise
• Lead and contribute UI and backend development around co-browse solution, ensuring seamless integration and performance across web and mobile platforms.
• OMF Ecosystem Expertise
• Demonstrate deep technical understanding of the OMF Web/Mobile ecosystem, including the full application lifecycle and session management.
• Framework Proficiency
• Apply advanced knowledge/architectural mindset of Angular and mobile frameworks to build scalable, responsive, and secure applications.
• Technical Problem Solving
• Own the debugging process, persist through complex issues, and drive resolution to root cause across environments.
• Cross-Functional Collaboration
• Partner with engineering, product, and operations teams to test/build consensus and drive adoption of corrective measures.
• Operational Integration
• Ensure corrective actions are implemented in the appropriate technical lanes and influence prioritization within delivery pipelines.
• Production Leadership
• Provide hands-on technical leadership during production incidents, guiding diagnostics, mitigation, and recovery strategies.
• Strategic Influence
• Appetite for technical leadership, Shape the future-state architecture, contribute to product selection, and apply domain knowledge of co-browse solutions to enhance customer experience and scalability.

Skill/Experience/Education

• Mandatory Skills
  
  • Angular, Ruby on Rails, Javascript
  • Proficiency in Angular, React, and Next.js for building scalable, responsive web interfaces.
  • Backend experience with Node.js, Express.js, and RESTful APIs
  • Exposure to Mulesoft, Openshift integrations.
  • Understanding of session composition involving analytics, compliance, browser security, and observability cookies.
  • Understanding of co-browse architectures (e.g., Samesurf, GLIA, Glance, Unblue), including session initiation, screen rendering, and customer-agent interaction flows.
  • Familiarity with Java, Spring Boot, and microservices architecture.
  • Familiarity with tools like Optimizely Guard, Glassbox, session storage, architecture awareness and CI/CD pipelines.
  • Exposure Database technologies: PostgreSQL, Redshift, Snowflake
• Desired Skills
  
  • Bachelor's Degree in Computer Science or related IT field
  • Proficiency in translating UI designs to HTML5/CSS3
  • Experience with Angular 7+ (preferred - will consider other experience)
  • Experience with JavaScript, jQuery, and TypeScript
  • Experience applying security technologies such as TLS, SAML and OAuth2.
  • Familiarity with UI/UX principles and best practices
  • A minimum of 5 years of formal web design experience.
  • Experience developing solutions using an Agile approach, like Scrum.