Senior Frontend Engineer (React) (Remote)

About the position

ENVIRONMENT:

DESIGN interfaces that create seamless customer experiences as you use your coding expertise as a Senior Frontend Engineer (React) to contribute across the entire product surface of a rapidly growing US-based FinTech company. With 8+ years of experience, you’ll bring a blend of Frontend expertise to the table, delivering secure, reliable, and high-performing features. You’ll write high-quality code, collaborate closely with product and design, and have an impact on the direction and quality of the platform.

DUTIES:

Build End-to-End Features –

• Improve on existing and implement new product features.
• You will be designing and developing the client-facing UI in React and TypeScript/JavaScript.

Improve Frontend experiences –

• Optimize the Frontend for performance, accessibility, and responsiveness.
• Contribute to a polished, intuitive user experience by refining UI components and user flows.

Maintain Quality & Reliability –

• Write Unit, Integration, and End-to-end Tests.
• Setup and refine monitoring, logging, and alerting to keep systems stable and responsive in production.

Collaborate with Cross-Functional Teams –

• Work closely with Product Managers, Designers, and fellow Developers to translate requirements into actionable technical solutions.
• Provide input on trade-offs, timelines, and feasibility.

Participate in technical discussions –

• Contribute to architectural reviews and propose incremental improvements.
• While you’ll focus heavily on hands-on coding, you’ll also weigh in on design decisions to ensure future scalability and maintainability.

Mentor and learn –

• Lead by example in code reviews, offering constructive feedback and guidance.
• Support the growth of less-experienced Developers while continuing to hone your own skills.

Stay current and innovative –

• Keep an eye on industry trends, experiment with tools and frameworks, and introduce incremental improvements that enhance development velocity and product quality.

REQUIREMENTS:

• 8+ Years of hands-on Software Development, including a proven track record working across the stack (Frontend and Backend) on production-grade applications.
• Proficiency with modern Frontend frameworks (e.g., React) and JavaScript/TypeScript.
• Strong grasp of responsive design, accessibility, and performance optimization.
• Familiarity with production monitoring, observability, and best practices for running stable services at scale.
• Ability to work remotely with your own equipment.
• Willingness to overlap work hours until 12:00-13:00 EST (negotiable).

Advantageous –

Design Expertise: Experience in UI/UX design and building designs from scratch based on product requirements.

Security Know-How: Familiarity with secure coding, regulatory compliance, and best practices in safeguarding financial data.

Accounting & Reporting Knowledge: Understanding of financial reporting standards and the intricacies of handling financial data.

Familiarity with Tech Stack: Experience with Ruby on Rails, PostgreSQL, and React is helpful, though not required. Demonstrated ability to quickly learn new tools and frameworks is just as valuable.

ATTRIBUTES:

• Able to work seamlessly within a team environment, give and receive feedback constructively, and communicate effectively with non-technical stakeholders.
• Eager to learn new technologies, experiment with different approaches, and grow alongside a fast-paced, evolving product and platform.

While we would really like to respond to every application, should you not be contacted for this position within 10 working days please consider your application unsuccessful.

COMMENTS:

When applying for jobs, ensure that you have the minimum job requirements. OnlySA Citizens will be considered for this role. If you are not in the mentioned location of any of the jobs, please note your relocation plans in all applications for jobs and correspondence. Apply here [URL Removed] OR e-mail a Word copy of your CV to [Email Address Removed] and mention the reference number of the job.

Desired Skills:

• Senior
• Frontend
• Engineer