Jr Front End Developer (P-139) jobs in United States
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SMASH · 1 week ago

Jr Front End Developer (P-139)

positionUnited States
timeFull-time
remoteRemote
seniorityNew Grad, Entry Level

SMASH is a company that helps tech professionals build their careers in the United States. They are seeking a Junior Front End Developer to design and build a production-grade frontend that simplifies complex AI-driven contract validation workflows, focusing on creating user-friendly interfaces for fast decision-making and transparency.

ComplianceEmploymentRecruiting

Responsibilities

Design and implement UI v9.0 with full schema coverage across 245+ contract and validation fields
Build complex, multi-tab contract detail views using progressive disclosure patterns
Develop three-panel exception comparison views (Contract Expected vs Invoice Received vs Resolution)
Implement real-time dashboards, including prevented overpayment counters and validation queues
Visualize agentic AI reasoning, confidence scores, and extraction quality indicators
Create explainable AI interfaces that clearly answer 'why' an exception was flagged
Design and implement feedback loops to allow users to correct or validate AI findings
Build advanced data visualizations for compliance trends, vendor performance, and pattern detection
Implement priority-based validation queues using impact, urgency, and confidence scoring
Develop mobile-responsive experiences with bottom-tab navigation for approvals on the go
Integrate frontend components with REST and GraphQL APIs and real-time updates via WebSockets
Collaborate closely with product, design, and backend teams to deliver scalable, high-quality UI solutions

Qualification

ReactTypeScriptUI/UX designResponsive designD3.jsReduxREST APIsGraphQLAccessibility standardsSpanishCollaboration skillsCommunication skills

Required

Strong experience building complex frontend applications using React and TypeScript
Proven expertise in UI/UX design principles, including information architecture and progressive disclosure
Hands-on experience with responsive and mobile-first design (CSS Grid, Flexbox)
Experience implementing advanced data visualizations using D3.js, Chart.js, or similar libraries
Proficiency with state management patterns (Redux, Context API) for large-scale applications
Experience consuming REST and GraphQL APIs and handling real-time data updates
Strong attention to accessibility standards (WCAG) and usability best practices
Ability to translate complex business logic into intuitive, user-centered interfaces
Strong collaboration and communication skills in cross-functional, fast-paced environments

Preferred

Experience designing explainable AI or human–AI interaction (HAI) interfaces
Background working with financial, contract management, or compliance systems
Familiarity with Figma or Sketch for high-fidelity prototyping
Experience with analytics-heavy dashboards or workflow-driven enterprise applications
Exposure to AI-driven products, agentic workflows, or RAG-based systems

Benefits

Wellness Coverage
Remote Work
Birthday day off
Recognition and rewards system
Referrals Program
Business skill coaching
English classes for Smashers and relatives
Learning opportunities

Company

SMASH

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Smash focuses on providing talent search, recruiting, and compliance services.
dateFounded in 2019
location
La Sabana, San Jose, CRI
people-size51-200 employees
web-link
https://www.smash.cr/

Funding

Current Stage
Growth Stage

Leadership Team

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Kelly Phillipps
Founder
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Company data provided by crunchbase