Frontend & Mobile Team Lead

At Sunbit, we're building financial technology that puts people first. By combining intelligent decisioning with a personalized, transparent approach, we help consumers access the payment options that are right for them while empowering merchants to build stronger customer relationships.

Engineering is at the heart of how we make that happen. We build scalable distributed systems, cloud-native services, intelligent data platforms, and AI-powered solutions that enable real-time financial decisions at scale. By leveraging modern engineering practices and integrating AI into both our products and development workflows, we solve complex technical challenges, accelerate innovation, and continuously improve the way we build software. Every service, model, and architectural decision we make directly impacts our products, our customers, and the future of financial technology.

About the role:

We are looking for a Digital Platforms Team Lead to drive the development and evolution of our customer-facing digital platforms, with a primary focus on our mobile application and shared digital capabilities.

This role combines technical leadership, product partnership, and team management, with a strong emphasis on ownership, scalability, and customer experience.

You will lead a team responsible for both core platform capabilities (e.g., authentication, communication, infrastructure) and product-facing features developed by multiple business domains (Card, Loans, Payments).

What will you do:

• Technical & Platform Leadership

• Own the architecture and evolution of the digital platforms (mobile/web), ensuring scalability, reliability, and performance

• Define and enforce best practices, standards, and development processes across the team

• Lead design and implementation of core platform capabilities (e.g., login, biometrics, communication layers, observability)

• Ensure high-quality, maintainable, and secure code

• Product & Business Partnership

• Collaborate closely with Product, Design, and Business stakeholders to deliver high-impact customer-facing features

• Translate business requirements into scalable technical solutions

• Balance short-term delivery with long-term platform investments

• Team Leadership & Execution

• Lead, mentor, and grow a team of engineers (mobile/web)

• Drive execution excellence, accountability, and end-to-end ownership

• Ensure clear planning, prioritization, and timely delivery

• Foster a strong engineering culture focused on collaboration, quality, and continuous improvement

• Cross-Team Collaboration

• Work closely with backend, data, and infrastructure teams to deliver seamless end-to-end solutions

• Align with product domain teams (Card, Loans, Payments) on priorities and execution

• Act as a key stakeholder in cross-organizational initiatives

• Operational Excellence

• Own production stability, monitoring, and incident management for digital platforms

• Improve system reliability and reduce downtime

• Establish processes for observability, alerting, and continuous improvement

Requirements:

• 2+ years of leadership experience, guiding engineering teams and making architectural decisions

• 8+ years of software engineering experience, with a strong focus on scalable architecture and system design

• Proven experience building and scaling customer-facing digital platforms

• Experience with Frontend technologies

• Strong understanding of mobile or frontend architecture (iOS, Android, or cross-platform)

• Leading a multidisciplinary team

• Proficiency in modern system architecture with large-scale and high performance.

• Impact driven - use data to make sure every task moves the needle and utilize your resources to maximize the team's impact.

• Team player with strong communication skills and someone who thrives working in a fast-paced environment.

• Creative, solution-oriented, and able to maintain a ‘can do’ attitude, with the ability to work efficiently under pressure and uncertainty. Adapt quickly to changing business needs.

• Familiarity with microservices architecture and distributed systems.

• B.Sc. in Computer Science or equivalent.

• Fluent in English.

Preferred Experience:

• Experience with software development in Kotlin or Java

• Familiarity with microservices architecture and distributed systems

• Solid understanding of AWS or similar cloud platforms

• Proficient in both relational (e.g., MySQL) and non-relational databases (e.g., MongoDB)

• Familiarity with message queue technologies such as Kafka, SQS, RabbitMQ, or similar.

• Experience with AI development tools like Cursor and Claude Code

Recruitment Fraud Disclaimer

We’ve been made aware of fraudsters impersonating Sunbit employees during the hiring process. Please note that all official communication will come from an @sunbit.com email address, through our applicant tracking platform @sunbit.comeet-notifications.com or directly via LinkedIn. We will never ask for your age, Social Security number, bank account details, payment of any kind, or other unrelated personal information during the application process. Our hiring process always includes interviews, either by phone, zoom, or in person, before any offer is made. If something feels suspicious, please contact us at HR to confirm. We ask that you contact HR only about potential instances of fraud. HR does not reach our recruiting team directly. Your application directly through the posting is the best way to ensure that your candidacy is reviewed by our team. Due to the volume of applications, we will not respond to nor forward emails about your candidacy that are sent to HR directly, and your email about your application will be deleted from our systems.