Senior Full-Stack Engineer – FinTech Platform (Remote)

Bankjoy; United States; Remote; USD 140,000 - 190,000; Full time

Benefits offered by this job

Stock options

Health coverage USA

Health coverage Canada

Retirement plan

Parental leave

PTO

Job summary

Bankjoy, a fintech startup backed by Y Combinator and Bessemer, is seeking a Senior Software Engineer to help power our digital banking platform. You will build secure, scalable software across front-end and back-end components, collaborating with cross-functional teams to deliver high-quality features.

Ideal candidates have 6+ years in enterprise software with C#/.NET, strong frontend experience (Angular/React), API design, and cloud exposure.

Qualifications

• 6+ years of professional experience in enterprise-level software development with C# and .NET Core.
• 4+ years of front-end development with Angular or React, TypeScript, HTML, and CSS.
• 4+ years of SQL experience, including query optimization, index management, and performance tuning.
• Proven experience in designing scalable APIs and integrating third-party SDKs or platforms.
• Strong knowledge of cloud hosting platforms (e.g., AWS, Azure, GCP) and cloud-native practices.
• A track record of working in high-growth or startup environments, demonstrating adaptability and ownership.
• Exceptional problem-solving skills, communication, and a collaborative mindset.
• Bachelor’s degree in Computer Science, Computer Engineering, or equivalent experience.

Responsibilities

• Lead the implementation of new features and enhancements on existing products, demonstrating ownership and expertise.
• Design, develop, and maintain front-end applications using modern frameworks (e.g., Angular, React) and best practices.
• Architect and build scalable, secure APIs to support new features and products.
• Proactively identify and address technical challenges, refactor code to reduce technical debt, and promote best practices across the team.
• Collaborate with cross-functional teams and third-party vendors to deliver projects on schedule and with high quality.
• Drive test-driven development and implement robust testing strategies across the technology stack.
• Provide technical guidance and mentorship to junior and mid-level engineers.
• Actively participate in Agile ceremonies and contribute to continuous process improvements.

Skills

C# & .NET Core

Frontend: Angular/React

SQL

API design

Cloud hosting

Startup experience

Collaboration

Education

Bachelor's degree

Job description

Bankjoy, a fintech startup backed by Y Combinator and Bessemer, is seeking a Senior Software Engineer to help power our digital banking platform. You will build secure, scalable software across front-end and back-end components, collaborating with cross-functional teams to deliver high-quality features.

Ideal candidates have 6+ years in enterprise software with C#/.NET, strong frontend experience (Angular/React), API design, and cloud exposure.