Software Engineer, Fintech - OneEthos

Be part of the Technology Revolution!

At OneEthos, we are redefining what a purpose-driven fintech startup looks like. Founded and built by community bankers to put best-in-class digital solutions to work for technologically underserved community financial institutions, we help strengthen their digital channels and grow loans and deposits profitably and responsibly while generating positive social, environmental, and financial returns.

Our remote-first team of Software Engineers, Growth Accelerators and Partner Success Facilitators proves every day that ethical solar financing, building best-in-class technology and trailblazing impact banking solutions not only can but do go hand in hand. We don't just support environmental and social causes—we're built on them.

Welcome to the Movement

You are joining a team of driven, mission-aligned individuals ready to make an impact. They share your passion for sustainability, your ability to thrive in a fast-paced environment—and, just like you, want to be part of something bigger!

We are goal-getters, go-getters, and changemakers. We celebrate wins, tackle challenges head-on, and push the boundaries of what can be achieved when technology and finance seamlessly integrate. We are fueled by purpose and growth, and with you on board, we will reach new heights in achieving our lofty goals.

What to Expect as a Software Engineer, Fintech

You're about to embark on a bold, challenging, and game-changing journey. By joining our Software Engineer team, you’ll be a hands-on engineer helping build, deploy, and maintain modern fintech applications while using AI-enabled development tools to improve quality, speed, documentation, code review, and delivery. This role is ideal for a collaborative problem solver who can contribute across the full application lifecycle and support secure, reliable cloud-based applications.

What You’ll Contribute in This Role

Build Reliable Fintech Applications

• Design, build, test, and maintain backend services, APIs, React apps, and internal tools using Node.js, TypeScript, MongoDB, or comparable technologies.
• Own the development of major product features and technical improvements across the application stack.
• Support secure and reliable software delivery practices appropriate for a fintech environment.

Deploy, Support, and Improve Cloud-Based Systems

• Deploy and support applications in cloud environments such as Azure, AWS, Google Cloud, or similar platforms.
• Participate in CI/CD, deployment automation, monitoring, logging, and production support activities.
• Help improve developer workflows, shared patterns, documentation, and engineering practices over time.

Advance AI-First Engineering Practices

• Use AI-assisted development tools such as Cursor, CodeRabbit, Claude, GitHub Copilot, or similar platforms to improve quality, speed, and documentation.
• Contribute to AI-enabled product features, workflow automation, and internal productivity tools that strengthen how we build software and deliver value to customers.
• Collaborate with teammates in code reviews, design discussions, release planning, and troubleshooting.

Champion Our Mission, Protect What Matters

• Embody a commitment to environmental, social, economic, and racial justice.
• Apply curiosity and interest in our core values and pursue education related to sustainability practices.
• Recognize the importance of protecting the organization and our customers.

What You’ll Leverage in This Role

Education and Experience

• 2+ years of professional software engineering experience.
• Experience building and maintaining backend services, APIs, web applications, or internal tools.
• Experience with Node.js, TypeScript, MongoDB, or comparable technologies.
• Familiarity with deploying applications to Azure, AWS, Google Cloud, or similar cloud platforms.
• Basic understanding of CI/CD, source control, testing, logging, monitoring, and production support.

Core Competencies

• Entrepreneurial Self-Starter: You take charge of your work product and take pride in delivering consistently great and measurable results. You solve problems efficiently and are an analytical thinker with a strong focus on data-driven decision making.
• Organization & Efficiency Guru: You manage your time like a pro, stay focused under pressure, and adapt to changing routines.
• Master Communicator: You communicate with confidence, precision, and professionalism across all channels and engage effectively with stakeholders at all levels.
• Tech-Forward Thinking: You learn new tools quickly, are excited by innovation, and leverage technology to optimize your work product.
• Team Player with a Spark: You lift others up, share ideas, bring positive energy, and operate dependably as part of a larger team.