Job Description

To be considered for this position, please apply on our Careers Page:

Full Stack Engineer - Sandbox Wealth

Location: Greater New York / Hybrid

Job Type: Full-Time

Salary: $150,000-$200,000

About the Company

Sandbox Wealth is an open finance platform for wealth managers. We connect data from custodians, market data providers, and other sources with bank and non-bank lenders to facilitate the free flow of capital across financial institutions and their clients. Our platform is designed for the next generation of private banking—data-rich, highly secure, and built for scale.

About the Role

We are currently searching for an experienced Full-Stack Engineer passionate about building a world-class application that will modernize private banking for clients of non-bank financial institutions, including independent wealth managers and family offices. In partnership with our design and product teams, you will help shape the user experience and system architecture behind a fast, intuitive, and secure platform.

This role will report to the Head of Engineering.

Responsibilities

• Participate in the full software development lifecycle from planning to deployment.
• Build responsive front-end apps and intuitive user interfaces with Next.js/React.
• Design and implement scalable back-end APIs and services using Python.
• Collaborate cross-functionally with design, product, and security teams to define and deliver features.
• Write clean, efficient, reusable, and well-tested code across the full stack.
• Perform code reviews and provide constructive feedback to peers.
• Contribute to and improve our CI/CD pipelines and development workflows.
• Implement effective security protocols, data protection measures, and storage solutions.
• Troubleshoot, debug, and upgrade software across environments.
• Ensure software meets all requirements for performance, scalability, configurability, and security.
• Contribute to product documentation and technical best practices.

Measures of Success

• Consistent delivery of high-quality features that meet user needs and business goals.
• Reduction in bugs and improved test coverage across the codebase.
• Performance improvements across front-end and back-end services.
• Positive collaboration feedback from design, security, and product teams.
• Contribution to documentation, refactoring, and platform reliability.
• On-time participation in planning, code reviews, and team ceremonies.
• Demonstrated ownership of features or services from development to deployment and monitoring.

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or related field.
• Minimum of 3 years of experience in full-stack development, ideally within a FinTech or high-growth startup environment.
• Proficiency in Python and Next.js/React.
• Familiarity with both Relational and Non-Relational Databases.
• Experience with CI/CD pipelines and DevOps best practices.
• Strong understanding of modern development principles, software architecture, and security practices.
• Experience with testing frameworks and debugging tools.
• Proficient in version control tools such as Git.
• Excellent problem-solving and collaboration skills.
• Self-starter mindset with the ability to work independently and drive projects forward.

This is an opportunity to help architect a state-of-the-art platform and partner with an experienced leadership team during a period of rapid development.

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