Senior Software Engineer, Frontend

Stack

Responsibilities

• ▹Design, build and scale performant, accessible and maintainable frontend systems using modern frameworks (React, TypeScript)
• ▹Own key UI architecture decisions, including state management, component design and application structure
• ▹Lead the development and evolution of reusable component libraries and design systems for consistency and scalability
• ▹Collaborate closely with design to deliver polished, user-centric interfaces
• ▹Optimize application performance, load times and responsiveness
• ▹Establish best practices around testing, observability and frontend reliability
• ▹Partner with product managers, designers and backend engineers to deliver end-to-end features
• ▹Translate complex domain requirements into intuitive UI/UX solutions

Requirements

• ▹Bachelor's or Master's degree in Computer Science, or equivalent practical experience
• ▹Senior-level expertise in React and modern JavaScript/TypeScript ecosystems
• ▹Proven experience building and scaling complex, production-grade web applications (SPAs)
• ▹Deep understanding of frontend architecture, including state management, performance optimization and component design patterns
• ▹Experience integrating with APIs and distributed backend systems
• ▹Familiarity with modern frontend tooling, testing frameworks and CI/CD workflows
• ▹Experience collaborating with design teams using Figma, including interpreting design specs and contributing to design systems

Nice to have

• ▹Experience mentoring engineers, driving technical decisions and frontend excellence across teams
• ▹Experience building or maintaining design systems or component libraries
• ▹Familiarity with data-heavy or real-time UIs (e.g. dashboards, operational tools)
• ▹Experience with event-driven architectures (e.g. Kafka)
• ▹Background in logistics, transportation systems or other complex operational domains

Soft skills

What we offer

• ▹Competitive compensation, including Series C level equity
• ▹Health, dental and vision 100% covered for the employee and 50% for dependents
• ▹Life insurance, with optional supplemental insurance
• ▹Flexible Spending Account (FSA) and Health Spending Account (HSA)
• ▹401(k) with match
• ▹Unlimited PTO (vacation, personal days, sick days, jury duty, military leave, bereavement)
• ▹11 holidays
• ▹Paid parental leave for all employees
• ▹Short-term and long-term disability insurance, and AD&D insurance
• ▹Fitness membership reimbursement
• ▹Commuter benefits
• ▹Pay range: $165,000-$195,000 USD

About the company

Optimal Dynamics builds a freight and transportation planning platform based on over four decades of research at Princeton University. It is a high-growth company of about 70 employees that recently closed its Series C round led by Koch Disruptive Technologies.