Senior Frontend Developer

Optimal Dynamics; United States; On-site; USD 165,000 - 195,000; Full time

Benefits offered by this job

Health/Dental/Vision insurance

401(k) with match

Unlimited PTO

Paid Parental Leave

Job summary

Optimal Dynamics is seeking a Senior Software Engineer, Frontend, to enhance our customer-facing web applications. This full-time role involves defining frontend architecture, collaborating cross-functionally, and ensuring high-performance UI/UX. The ideal candidate has a background in computer science and proven experience in web applications development. This position offers a salary range of $165,000—$195,000 USD along with competitive benefits and unlimited PTO.

Qualifications

• Proven experience building and scaling complex, production-grade web applications.
• Deep understanding of frontend architecture, including state management and performance optimization.
• Experience integrating with APIs and distributed backend systems.

Responsibilities

• Design, build, and scale performant, accessible, and maintainable frontend systems.
• Lead the development of reusable component libraries and design systems.
• Optimize application performance and establish best practices around testing.

Skills

Frontend Architecture

Performance Optimization

React

TypeScript

State Management

Education

Bachelor’s or Master’s degree in Computer Science

Tools

Figma

AWS

CI/CD

Job description

About The Role

Optimal Dynamics is seeking a Senior Software Engineer, Frontend to join our Product Engineering team and lead the development and evolution of our customer-facing web applications. This role is focused on building high-performance, intuitive interfaces that translate complex logistics workflows into elegant, usable experiences.

As a senior-level individual contributor and frontend technical leader, you will define frontend architecture, establish best practices, and drive the development of scalable design systems. You’ll work closely with product, design, and backend teams to deliver cohesive, end-to-end user experiences that balance speed, reliability, and maintainability while elevating frontend engineering standards across the organization.

This is a full-time, remote-friendly role open to candidates across the U.S., with the option to work from our New York City headquarters.

What You’ll Do

• Frontend Architecture & Development: 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.
• Design Systems & UX Excellence: Lead the development and evolution of reusable component libraries and design systems that ensure consistency and scalability across the platform. Collaborate closely with design to deliver polished, user-centric interfaces.
• Performance & Quality: Optimize application performance, load times, and responsiveness. Establish best practices around testing, observability, and frontend reliability.
• Cross-Functional Collaboration: Partner with product managers, designers, and backend engineers to deliver seamless, end-to-end features. Translate complex domain requirements into intuitive UI/UX solutions.

Who You Are

Educated: Bachelor’s or Master’s degree in Computer Science, or equivalent practical experience.

Experienced

• 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 (Bonus Points)

• 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 working with event-driven architectures (e.g., Kafka)
• Background in logistics, transportation systems, or other complex operational domains

About Our Tech Stack And Development Practices

At Optimal Dynamics, our entire infrastructure runs on AWS, leveraging a wide range of services including DynamoDB, Aurora, SSM, and SQS to power our intelligent logistics platform.

• Backend & AI: Python 3 and Java
• Data Stack: Trino, Dagster, dbt, DuckDB, and Preset
• IaC: Terraform and Spacelift
• Cloud: AWS (ECS/RDS/S3/etc)
• CI/CD: Bazel, Github, AWS CodePipeline/CodeBuild
• GenAI: Anthropic Claude, ChatGPT Codex, GitHub Copilot

Pay Range

$165,000—$195,000 USD

• Competitive compensation, including Series C level equity
• Health / Dental / Vision 100% covered for employee and 50% for dependents
• Life Insurance, with optional supplemental insurance
• Flexible Spending Account (FSA)
• 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 Insurances, and AD&D Insurance
• Fitness membership reimbursement

Optimal Dynamics is proud to be an equal opportunity employer that celebrates diversity and is committed to creating an inclusive workplace with equal opportunity for all applicants and employees. Our goal is to recruit the most talented people from a diverse candidate pool regardless of race, color, ancestry, national origin, religion, disability, sex (including pregnancy), age, gender, gender identity, sexual orientation, marital status, veteran status, or any other characteristic protected by law.

Optimal Dynamics is committed to working with and providing access and reasonable accommodation to applicants. If you require an accommodation, please reach out to [e-mail] once you've begun the interview process. All requests for accommodations are treated discreetly and confidentially, as practical and permitted by law.