Senior Frontend Customer Success Engineer – API & SDK Integration Champion for Global FinTech Platform at brighthush

About brighthush

brighthush is not just a FinTech company; it is a movement that is reshaping how businesses, merchants, and consumers interact with digital financial services worldwide. With a bold mission to democratize access to cutting‑edge payment solutions, brighthush empowers partners—from nimble startups to Fortune 500 enterprises—to build, scale, and secure their payment ecosystems through a developer‑centric platform that prioritizes speed, reliability, and compliance.

Founded on a culture of relentless innovation, collaboration, and customer obsession, brighthush has evolved from a small, passionate team into a global leader with a presence in North America, Europe, and Asia. We pride ourselves on fostering an environment where ideas flourish, experimentation is encouraged, and every team member has a direct impact on the success of our partners and the broader financial ecosystem.

Position Overview

We are looking for a seasoned Senior Frontend Customer Success Engineer to become the linchpin between our engineering teams and the developers who rely on our APIs and SDKs. In this role, you will champion the developer experience, ensuring that our partners can seamlessly integrate, troubleshoot, and optimize their applications on the brighthush platform. You will act as a technical advocate, translating complex product features into actionable guidance, and driving continuous improvement across our support processes.

As a key member of the Customer Success Engineering team, you will collaborate closely with Product, Engineering, and Customer Support to deliver world‑class service, reduce time‑to‑resolution, and elevate the overall satisfaction of our developer community.

Key Responsibilities

• Developer Advocacy & Onboarding: Lead the technical onboarding of new partners, guiding them through API authentication, SDK integration, and best practices for secure, scalable implementations. Create onboarding playbooks, run live workshops, and maintain a library of starter kits that accelerate time‑to‑value.
• Technical Support & Issue Resolution: Serve as the primary point of contact for high‑priority support tickets, diagnosing and resolving complex frontend integration issues with precision and empathy. Use advanced debugging tools, network analysis, and performance profiling to deliver root‑cause solutions.
• Documentation & Knowledge Base Enhancement: Collaborate with Technical Writers to produce clear, concise, and up‑to‑date documentation, tutorials, and troubleshooting guides that empower developers to solve problems independently. Own the documentation roadmap and ensure it reflects the latest API and SDK releases.
• Feedback Loop & Product Improvement: Capture and analyze recurring pain points, translating them into actionable insights for Product and Engineering to refine API design, SDK features, and overall platform usability. Champion a data‑driven approach to product iteration.
• Community Engagement: Represent brighthush at developer conferences, webinars, and community forums, sharing best practices, gathering feedback, and building a vibrant ecosystem of partners. Act as a thought leader in the FinTech developer community.
• Performance Monitoring & Optimization: Monitor frontend integration performance metrics, identify bottlenecks, and recommend optimizations to improve load times, error rates, and overall user experience. Work with the Site Reliability Engineering team to implement monitoring dashboards and alerting rules.
• Cross‑Functional Collaboration: Work closely with Security, Compliance, and Legal teams to ensure that all integrations meet regulatory requirements and adhere to industry standards such as PCI DSS, PSD2, and GDPR.
• Mentorship & Team Leadership: Mentor junior engineers and support staff, fostering a culture of continuous learning and technical excellence. Lead knowledge‑sharing sessions and code reviews to elevate the team's skill set.

Essential Qualifications

• Experience: Minimum of 5 years in frontend engineering with a strong focus on JavaScript, TypeScript, React, or Vue.js. Proven track record of delivering production‑ready code and maintaining high code quality.
• Support Expertise: Demonstrated ability to provide technical support to developers in a SaaS or API‑centric environment. Experience handling high‑volume, high‑impact tickets and turning complex problems into clear, actionable solutions.
• API & Authentication Knowledge: Deep understanding of RESTful APIs, GraphQL, OAuth 2.0, and JWT authentication mechanisms. Ability to explain security concepts to non‑technical stakeholders.
• SDK Development: Hands‑on experience building and distributing SDKs across multiple platforms (web, mobile, Node.js). Familiarity with package managers (npm, yarn, pip) and versioning best practices.
• Debugging & Performance: Strong debugging skills, proficiency in browser dev tools, network analysis, and performance profiling. Ability to identify and remediate performance regressions.
• Communication: Excellent written and verbal communication skills, capable of translating technical concepts into clear, actionable guidance for developers and internal teams.
• Self‑Direction: Demonstrated ability to work independently, manage multiple priorities, and deliver high‑quality results under tight deadlines.
• Methodologies: Familiarity with Agile methodologies, CI/CD pipelines, and version control systems (Git). Experience with automated testing and continuous integration.

Preferred Qualifications

• FinTech Experience: Prior work in a payment processing or FinTech environment, with knowledge of PCI DSS, PSD2, or other regulatory frameworks.
• DevOps & SRE: Background in DevOps or Site Reliability Engineering, focusing on monitoring, alerting, and incident response.
• Additional Frameworks: Proficiency in other frontend frameworks such as Angular or Svelte.
• Containerization & Cloud: Knowledge of Docker, Kubernetes, and cloud platforms (AWS, GCP, Azure).
• Leadership: Prior experience mentoring or leading a technical support or engineering team.
• Multilingual: Fluency in multiple languages, both spoken and written, to support a global developer community.

Required Skills & Competencies

• Technical Expertise: Mastery of modern JavaScript ecosystems, API design principles, and secure authentication flows.
• Problem‑Solving: Ability to dissect complex issues, identify root causes, and devise elegant, scalable solutions.
• Customer‑Centric Mindset: Passion for delivering exceptional developer experiences and turning challenges into opportunities for improvement.
• Collaboration: Strong interpersonal skills to work effectively with cross‑functional teams and external partners.
• Adaptability: Comfortable navigating a fast‑paced, evolving product landscape and embracing continuous learning.
• Communication: Clear, concise, and empathetic communication in both written and verbal formats.

Career Growth & Development Opportunities

At brighthush, your career trajectory is as dynamic as the products you help build. As a Senior Frontend Customer Success Engineer, you will have the opportunity to:

• Progress into a Lead Customer Success Engineer role, overseeing a team of support specialists and shaping the overall developer experience strategy.
• Transition into a Product Management or Engineering Leadership track, leveraging your deep technical knowledge and customer insights to influence product roadmaps.
• Participate in cross‑disciplinary initiatives such as security audits, compliance projects, or global expansion efforts.
• Attend industry conferences, hackathons, and workshops to stay at the forefront of FinTech and developer tooling trends.
• Benefit from a robust learning and development program that includes certifications, mentorship, and access to cutting‑edge resources.

Work Environment & Company Culture

brighthush thrives on a culture of transparency, innovation, and mutual respect. We believe that the best ideas come from diverse perspectives, so we foster an inclusive environment where every voice is heard. Our remote‑first model empowers you to work from anywhere while staying connected through weekly stand‑ups, virtual coffee chats, and a vibrant internal community platform.

Key cultural pillars include:

• Continuous Improvement: Regular retrospectives, knowledge‑sharing sessions, and a commitment to iterative growth.
• Ownership & Accountability: Empowerment to take initiative, make decisions, and own outcomes.
• Work‑Life Balance: Flexible schedules, generous vacation policies, and support for mental health and well‑being.
• Social Impact: Partnerships with fintech nonprofits and community outreach programs that promote financial literacy.

Compensation & Benefits

While specific figures vary based on experience and location, brighthush offers a competitive total rewards package that includes:

• Base salary commensurate with market rates for senior frontend engineering roles.
• Performance‑based bonuses and equity options to share in the company’s growth.
• Comprehensive health, dental, and vision insurance plans.
• 401(k) matching (or equivalent) to support long‑term financial planning.
• Unlimited paid time off and flexible working arrangements.
• Professional development stipend, conference travel, and access to online learning platforms.
• Well‑being resources such as virtual fitness classes, mental health counseling, and wellness allowances.

How to Apply

Ready to elevate the developer experience and shape the future of FinTech? Submit your application through our careers portal or send your resume and a brief cover letter to [email protected]. In your cover letter, tell us about a time you turned a challenging integration issue into a success story for a developer community.

We look forward to exploring how your expertise can help brighthush continue to empower developers worldwide and drive innovation in the financial services industry.