Staff Mobile Engineer, Member AI Features

The role:

We are looking for a Staff Flutter Engineer with a natural inclination to solve complex problems across the company. You will play a pivotal role in our mobile app, shaping the future of SoFi’s new user experiences. This role requires robust expertise in mobile app development, a proven track record of shipping digital products at scale, and a relentless commitment to customer satisfaction. Flutter experience is strongly preferred, but not strictly required.

As a SoFi Staff Flutter Engineer, you’ll be in the middle of it all. You’ll work across functional and organizational boundaries to ship new features, improve our system architecture, squash bugs, and hone your skills as an engineer. The ideal candidate is both forward-thinking and hands-on, has a strong sense of ownership and delivery, and is a good mentor and co-worker.

At SoFi, collaboration between Product, Design, and Engineering is key. You’ll be involved throughout the entire product lifecycle – from ideation to deployment, iteration, and beyond – working alongside an all-star team of talented engineers.

What you’ll do: 

• Deliver high quality code on schedule and communicate effectively with groups in and outside the development team


• Design and optimize high throughput GraphQL and REST integrations that support critical Banking experiences.


• Produce well-designed, scalable and reusable mobile architectures across large areas of the app.


• Contributes towards technical direction for mobile platform evolution and long term system improvements.


• Identify structural issues in our mobile systems and propose clear paths for remediation.


• Serve as the lead resolver during high severity incidents and ensure follow up actions address root causes.


• Act as a subject matter expert for key mobile domains and support teams through complex decision making.


• Champion engineering excellence, operational maturity, and technical consistency across the group.


• Mentor and coach engineers at all levels and help strengthen the judgment and capabilities of the broader mobile organization.


• Play a key role in roadmap development, long range planning, and resource discussions for the mobile group.


• Contribute hands on to critical projects while modeling best practices in code quality, performance, and reliability.

What you’ll need:

• Bachelor’s Degree in Computer Science or a related field, or equivalent professional experience


• 6+ years mobile programming experience in Android or iOS. Flutter experience is strongly preferred. 


• Git-based distributed version control systems.


• Agile-based project development in a microservices environment.


• Test-driven development along with unit and integration testing.


• Experience with working with modern mobile design patterns.


• Strong debugging skills.


• Passion for solving complex problems.


• Work and play well with others; SoFi is a collaborative environment.

Nice to have:

• Experience integrating Large Language Models (LLM) into products


• Experience working with Flutter and other cross-platform technologies.


• Previous experience building platform-level frameworks and components in a large codebase.


• Reactive programming knowledge (RX, Coroutines, Streams).


• Deep experience working with GraphQL & REST APIs, modern mobile design patterns, and distributed systems.


• Understanding of S.O.L.I.D or G.R.A.S.P principles.


• Understanding of Clean Architecture patterns.


• Expertise in mobile performance tuning.