About the role

Role Overview

Senior Frontend Engineer for the Workflow Platform team on a long-standing partner’s wealth-tech and data platform. You’ll develop and extend frontend functionality for a product that automates complex business processes such as report reviews, billing cycles, and compliance checks—impacting workflows, task management, and monitoring/observability tools used by wealth advisors.

Responsibilities

Develop and extend the frontend for the Workflow Platform to help wealth advisors automate and manage complex business processes
Build visualization components, task management interfaces, and monitoring views (e.g., workflow status, run history, blocked steps)
Use the Addepar Product Language (APL) component library to deliver consistent, high-quality UIs
Create human-in-the-loop UI components for manual review and approval within workflows
Ensure tasks are surfaced via in-app notifications and integrate with workflow execution states
Collaborate with product designers, engineering managers, and engineers to refine requirements and deliver incremental improvements
Participate in technical discussions, tradeoff analyses, and planning under delivery deadlines
Write maintainable, testable code and document technical decisions

Requirements

5+ years of professional software engineering experience with frontend specialization
Strong production experience with React
Component-driven UI development experience and familiarity with design systems or internal UI libraries
Solid modern development practices including CI/CD and cloud environments (preferably AWS)
Strong communication skills with both technical and non-technical stakeholders
Comfortable working remotely with evolving priorities and ambiguity
Interest in using AI tools to enhance development workflows

Nice to Have

Experience with other frontend frameworks such as Ember and Svelte
Experience with workflow tools/task management/process automation products (e.g., Temporal, n8n)
Background in B2B SaaS, fintech, wealth tech, or other data-intensive products
Ability to quickly learn proprietary component systems and internal UI languages

About Sundayy

Sundayy (listed as the company) is a technology partner focused on building and extending digital products for ambitious organizations. The role described centers on engineering high-quality, stakeholder-aligned solutions for real business problems, including client-facing workflow and automation capabilities.

Front End Engineer, Sr.

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