Castle Logo

Castle

Software Engineer

Posted 5 Days Ago
Remote or Hybrid
Hiring Remotely in Square, Newry Mourne and Down, Northern Ireland, GBR
Junior
Remote or Hybrid
Hiring Remotely in Square, Newry Mourne and Down, Northern Ireland, GBR
Junior
As a Software Engineer, you will build and maintain financial platforms and applications that help homeowners track and manage their expenses, collaborate with the engineering team, and utilize AI for data insights.
The summary above was generated by AI
Castle is the finance app that saves homeowners time and money.
  • Homeowners use Castle to pay for and track all of their home expenses in one place. Castle then monitors those transactions for opportunities to save. The average Castle customer saves more than $10,000 on their home.

  • Housing affordability is a major problem in the U.S. At Castle, we believe that homeowners deserve better data when it comes to managing their biggest asset. We’re building payments infrastructure for the largest consumer category in the U.S. — to help people automate, consolidate, and reduce their spend.

In this role you’ll be a foundational and versatile member of our engineering team, focused on building a simpler, smarter, and more intuitive experiences for homeowners. You’ll collaborate closely with our Head of Engineering, Head of Design, and fellow engineers to bring to life a user-friendly app that clarifies complex home expense management and builds long-term trust with our customers.

This role is perfect for someone who is passionate about solving complex problems and excited to learn new technologies. You’ll have an opportunity to shape a powerful product at an early-stage, high-growth company.

Core Responsibilities Include:
  • Building and maintaining:

    • A robust, scalable, and secure financial platform;

    • Web and mobile applications that help homeowners track, understand, and pay for their home expenses;

    • AI-powered data pipelines that transform customer data into insights, including finding savings opportunities.

What You’ll Need:
  • Strong computer science fundamentals and problem-solving skills.

  • Ability to write clean, maintainable, and well-tested code.

  • Curiosity to learn new technologies and tackle ambiguous challenges.

Qualifications:
  • Bachelor’s degree in Computer Science or a related field (or equivalent practical experience).

  • Experience with modern programming languages and web technologies (e.g., JavaScript/TypeScript, React, Node.js, Python, etc.).

  • Bonus: experience in fintech, billing systems, or working with financial data.

www.getcastle.com

Top Skills

JavaScript
Node.js
Python
React
Typescript

Similar Jobs

Yesterday
Remote
Mid level
Mid level
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
The Infrastructure Software Engineer will build and manage scalable systems, optimize performance, mentor team members, and collaborate on innovative solutions.
Top Skills: C/C++GoJavaPython
Yesterday
Remote
Senior level
Senior level
Artificial Intelligence • Machine Learning • Software • Defense
The Senior Backend Engineer will develop data collection applications, design architecture, create APIs, manage databases, and collaborate with teams to enhance software solutions.
Top Skills: AWSDockerElasticsearchPythonRedis
2 Days Ago
Easy Apply
Remote or Hybrid
Easy Apply
Senior level
Senior level
Big Data • Cloud • Software • Database
The Security Software Engineer will design and implement security controls for MongoDB Atlas, collaborating across engineering teams and ensuring adherence to high security standards.
Top Skills: ApparmorC/C++CgroupsEbpfGoGrafanaJavaKubernetesPythonRustSeccompSelinuxSplunkTerraformVictoria Metrics

What you need to know about the Belfast Tech Scene

If asked to name the birthplace of the RMS Titanic, you might not say Belfast. Similarly, if asked to name Europe's leading destination for foreign direct investment in new software development, Belfast might not come to mind. Yet, both are true. The city has emerged as a tech powerhouse, recently ranked among the best in the U.K. for tech careers — especially for software developers. It also leads the U.K. with the highest percentage of software development jobs advertised.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account