Sr. Front-End Engineer (W2)

Join to apply for the Sr. Front-End Engineer (W2) role at Braintrust

1 day ago Be among the first 25 applicants

Join to apply for the Sr. Front-End Engineer (W2) role at Braintrust

• Must be able to work 3 days a week on site (either LA or Irvine offices)
• Must be able to work under a W2 contract.

Job Description

• Long term contract until July 2025.
• Must be able to work 3 days a week on site (either LA or Irvine offices)
• Must be able to work under a W2 contract.

We are looking for a senior level front-end engineer to join our vibrant and high-performing team. We are completely overhauling the investor website that is used by millions of individual investors and tens of thousands of financial advisors across the U.S. Our front-end is built on React and sits on top of a RESTful service layer with the whole set up running on AWS. A collaborative React ninja with experience in building high-performing public facing transactional applications will be welcomed to our team. Join us.

Responsibilities & Duties:

• Work with product managers and other subject matter experts to validate requirements and related designs.
• Collaborate with UX designers to inform implementation and identify opportunities for componentization.
• Identifying, defining, and grooming of developer stories in collaboration with product owners/scrum master to prioritize and plan.
• Implementation of re-usable components and reference implementations (when needed).
• Collaborate with back-end engineers to design and agree upon on experience layer APIs.
• Work with QA / test team to define and develop test plans, suites, cases.
• Proactively ensure individual code quality (e.g., well organized, scalable, good component composition, etc.).
• Regularly conduct PRs / code reviews within the feature team to ensure broader code quality.
• May conduct some level of testing (e.g., unit testing, integration testing).
• Troubleshooting, eliminating bugs / defects, and making optimizations throughout the application lifecycle.
• Contributing to documentation throughout the application lifecycle (when needed).
• Occasionally develop prototypes and conduct proofs of concept.

Qualifications & Skills

• At least 7 years of experience in software engineering / app development.
• Experience building and supporting public facing transactional web applications preferred.
• Experience in banking, financial services, or e-commerce industry preferred.
• Undergraduate degree in computer science, engineering, or another technical field

Must Haves:

• Proficiency in modern JavaScript (ES6+), including concepts like closures, promises, async/await, and modules.
• Proficiency in React and its core concepts, including JSX, event handling, component lifecycle methods, and hooks.
• Understanding of React state management, API handling, react-redux patterns, and the Vite testing suite
• ReactJS frameworks, libraries, and developmental tools such as MaterialUI, Vitest, and Storybook, as well as working from design applications such as Zeplin.
• Interacting with RESTful APIs involves understanding best practices for efficiently fetching and handling data to ensure optimal performance and user experience.
• Using various tools and libraries to mock data and methods in a testing environment, such as Vite, Jest, and MSW (Mock Service Worker), and a comfort level using tools like Postman for advanced mocking scenarios.
• Proficiency in advanced CSS techniques, including CSS-in-JS. Must have experience with this pattern/approach, as it differs significantly from writing traditional stylesheets.
• Ensuring code quality with test case management tools and other utilities (e.g., linting tools)
• Proficiency in Git and Git concepts, including creating and managing pull requests, and conducting thorough pull request reviews.
• Proficiency in TypeScript, including a strong understanding of interfaces, types, generics, and advanced type features.
  
  

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Technology, Information and Internet

Referrals increase your chances of interviewing at Braintrust by 2x

Get notified about new Senior Frontend Developer jobs in Los Angeles, CA .

Los Angeles, CA $160,000.00-$190,000.00 1 month ago

Senior Software Engineer (Gameplay/Audio) - Unpublished R&D Product

Culver City, CA $151,300.00-$261,500.00 2 weeks ago

Sr. Software Engineer - Marketing (SFMC)

Beverly Hills, CA $128,000.00-$160,000.00 1 week ago

Senior Software Engineer — Slicer & Manufacturing Platform Development

Los Angeles, CA $120,000.00-$145,000.00 3 weeks ago

Sr Software Engineer (Industrial Automation)

Long Beach, CA $165,000.00-$211,000.00 1 week ago

Senior Software Engineer Physics-Based Simulation (GPU)

Santa Monica, CA $142,516.00-$199,870.00 1 month ago

Glendale, CA $138,900.00-$203,900.00 2 months ago

Glendale, CA $138,900.00-$186,200.00 1 month ago

Glendale, CA $138,900.00-$203,900.00 2 weeks ago

Senior Software Engineer - Front End/Roku

Santa Monica, CA $145,400.00-$195,000.00 8 months ago

Los Angeles, CA $150,000.00-$180,000.00 3 weeks ago

West Hollywood, CA $195,000.00-$215,000.00 2 weeks ago

Glendale, CA $138,900.00-$186,200.00 3 weeks ago

Glendale, CA $138,900.00-$203,900.00 2 months ago

Glendale, CA $138,900.00-$203,900.00 1 month ago

Los Angeles, CA $115,000.00-$125,000.00 3 weeks ago

Pasadena, CA $125,000.00-$185,000.00 1 year ago

Burbank, CA $138,900.00-$186,200.00 3 months ago

Glendale, CA $138,900.00-$186,200.00 1 month ago

Santa Monica, CA $138,900.00-$203,900.00 3 weeks ago

Burbank, CA $138,900.00-$186,200.00 1 month ago

Senior Software Engineer, Platform Engineering

Glendale, CA $136,038.00-$182,490.00 2 weeks ago

Glendale, CA $138,900.00-$186,200.00 1 month ago

We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.

#J-18808-Ljbffr