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Stash

Investing app with fractional shares

Backend Engineer 3

Backend EngineeringConfirmed live in the last 24 hours
Full-timeNew York, NY, USA$140k - $160k

About the Job

Requirements

  • Three to five years of professional experience in backend software development.
  • Strong proficiency in Go or Rails, or deep experience in another backend language and willingness to learn Go.
  • Experience working with event-driven, asynchronous architectures.
  • Ability to make data-driven decisions and iterate quickly.
  • Proficiency with relational and distributed databases, preferably CockroachDB, PostgreSQL, or similar.
  • Hands-on experience building highly scalable, fault-tolerant backend services.
  • Strong understanding of testing best practices, debugging, and profiling.
  • Familiarity with cloud platforms such as AWS.
  • Knowledge of multi-region architectures is a plus.
  • Familiarity with CI/CD pipelines, Terraform, and Datadog is a plus.
  • Understanding of banking or fintech-related systems is a plus.

Responsibilities

  • Design, develop, and maintain backend services for the Core Banking System, ensuring performance, reliability, and scalability.
  • Architect and implement asynchronous workflows to process banking transactions efficiently.
  • Optimize and scale the system to support growth while ensuring high availability and security.
  • Architect, design, and rapidly implement services using AI coding assistants.
  • Collaborate with cross-functional teams, including operations and infrastructure teams, to deliver seamless experiences.
  • Continuously deploy and monitor services in a cloud-based environment.
  • Debug, test, and document code to ensure high-quality software development.

About the Company

Stash

Investing app with fractional shares

Stash provides a fintech investing app that makes saving and growing wealth accessible for everyday Americans, allowing self-directed investing in stocks and ETFs with fractional shares, plus automated investing based on goals. Users fund accounts, invest or automate based on personal targets, and earn interest on cash balances, with a Stock-Back card that rewards users with stock as they spend. The platform differentiates itself by offering tiered subscription access to guidance and features and by pairing a workplace benefits program (StashWorks) with employer partnerships, along with embedded stock rewards. Its goal is to help people grow their savings and invest for the future through simple, affordable tools integrated into daily finances and workplaces.

Company size
201-500
Company stage
Acquired
Total funding
$656.9M
Headquarters
New York City, New York
Founded
2015

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