Sr. Frontend Engineer

We are looking for a Senior Frontend Engineer to join our team building and owning the core platform used by our call center agents, including the agent desktop that powers daily customer interactions. The systems you develop will directly impact how efficiently our teams support customers and resolve issues.

Beyond the agent experience, you will help drive operational efficiency through automation, AI, and intelligent workflows. This includes building intuitive tools that enable agents to work faster and more effectively, integrating systems across the call center ecosystem, and introducing AI-powered capabilities that enhance both the agent and customer experience.

This is a high-impact role where engineering work directly improves real-world operations at scale. You will tackle complex product and platform challenges in a fast-paced environment and play a key role in shaping the technology that powers Sunbit's customer success organization. Requirements:

What You'll Do:

• Design, build, and evolve the Customer Success agent desktop, the core platform used by our call center to support customers.
• Develop tools, workflows, and integrations that connect multiple systems used by our Customer Success organization.
• Improve agent productivity and operational efficiency through automation, smart workflows, and AI-driven capabilities.
• Work on high-impact product and platform challenges, solving real operational problems at scale.
• Collaborate closely with Product, Customer Success, Product lines, and Operations teams to design solutions that improve both agent and customer experience.
• Ensure systems are reliable, scalable, and maintainable, supporting a fast-growing operational environment.
• Write clean, high-quality code, with strong testing and observability practices.
• Take ownership of features end-to-end, from design and architecture through development and production deployment.
• Contribute to a strong engineering culture by sharing ideas, improving processes, and supporting teammates.

• 5+ years of experience in software engineering with a Bachelor's degree in Computer Science or a related field
• Experience with Frontend development - specifically React, Typescript
• Proficient in both relational (e.g., MySQL) and non-relational databases (e.g., MongoDB) is an advantage
• Strong problem-solving skills, capable of meeting technical challenges head-on
• A passion for learning, constantly staying up to date with industry trends and technology advancements
• Resourceful, self-motivated, and capable of working independently
• Proficiency in micro-service architecture is an advantage
• Familiarity with message queue technologies such as Kafka, SQS, RabbitMQ, or similar is an advantage
• Experience with Kotlin is a plus
• Background in fintech is a major plus

• Join one of LA's fastest growing startups (2023), A Most Loved Workplace, #576 on the 2023 Inc 5000 list, and Forbes Fintech 50 (2024), #161 on Deloitte Technology Fast 500 list
• Mission driven + empowered + collaborative
• Competitive pay and stock options
• Unlimited PTO
• Health Insurance options including Medical, Dental, Vision, Life, EAP, FSA, & Maternity Leave
• Newly added HSA and Pet Insurance
• 401K Plan with Matching
• Cell Phone Stipend
• Team based strategic planning + Team owned deliverables

How We Pay:

• We believe in paying fairly and equitably based on a number of factors including but not limited to previous experience, relevant work history, interview performance, geographical location, internal equity, and expected level of ownership
• We are targeting a base salary of $160k-190k per year for this role.
• This role will also be granted company equity via stock options

Sunbit is an Equal Opportunity Employer. We strive to provide a professional & welcoming workplace for all employees.

Sunbit builds financial technology for real life. Our AI-native platform helps more people get to "yes" at the moments that matter with personalized offers, transparent terms, and no added consumer fees. In stores, practices and service centers across the country, Sunbit provides a fast, fair pay-over-time option. For everything else, the Sunbit Credit Card delivers a modern, no-fee credit experience managed in a powerful mobile app. We are guided by people-centered values: Serve Others Before Self, Include Always, Connect Genuinely, Innovate for Good. These values shape how we build, how we support customers and merchants, and how we work with each other. What makes Sunbit different is an AI-native infrastructure that runs through the full customer and merchant journey. Our interconnected AI systems power instant decisioning, streamline fraud checks with human-in-the-loop safeguards, and enable highly personalized offers at scale. The result is a quick, fair, and simple experience for consumers and merchants. We pair this technology with inclusion and transparency. Sunbit delivers industry-leading approval rates - 90%+ in auto service and 85%+ in dental - while maintaining zero consumer fee-based revenue. It is a better way to serve people and merchants, proven at scale. Today, Sunbit is available across a nationwide, in-person merchant network of 30,000+ locations spanning auto service centers, dental and optical practices, veterinary clinics, and other specialty services. We help teams say "yes" more often and help customers move forward with confidence., Sunbit is recognized as one of the fastest-growing and most admired fintech companies, earning honors from Inc. 5000 (four consecutive years), Forbes Fintech 50, Deloitte Technology Fast 500, Financial Times, and FinTech Breakthrough for its innovation and impact. The company has also been featured among Newsweek's Most Loved Workplaces and CB Insights' Unicorn Companies, reflecting a valuation of $1.1B. People choose Sunbit for its people-first culture rooted in service, inclusion, and real-world impact. Powered by AI that helps people in life's critical moments-offering high approvals, speed, and zero fees-Sunbit has achieved proven scale across tens of thousands of merchants and millions of transactions. Its fast, fair, and simple financial products empower consumers and partners alike through clarity and trust.