Senior Software Engineer, Fintech

OneEthos

2d•Remote

About The Position

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.

Requirements

7+ years of professional software engineering experience, including hands-on experience with DevOps, cloud infrastructure, CI/CD, deployment automation, and production operations.
3+ years of experience with Node.js, TypeScript, and MongoDB, or equivalent experience with comparable technologies.
Understanding of backend architecture, API design, distributed systems, and production-grade software development.
Experience with AI-assisted development tools such as Cursor, CodeRabbit, Claude, GitHub Copilot, or similar.
Entrepreneurial Self-Starter - You take charge of your work product and take pride in delivering consistently great and measurable results. You solve complex technical problems with sound judgment, curiosity, and a practical focus on scalable, secure, and maintainable solutions. You thrive in a fast-paced, high-expectation environment and are motivated by continuous growth.
Organization & Efficiency - You manage your time like a pro and stay focused under pressure, you love a good system but also adapt to changing routines. You’re a note-taker and checklist fanatic and stay on top of things with ease and consistency.
Master Communicator - You communicate with confidence, precision, and professionalism. You listen deeply, ask thoughtful questions, and translate complex technical concepts into clear recommendations for product, engineering, security, compliance, and leadership stakeholders. You build trust through transparency, strong collaboration, and sound technical decision-making.
Banking & Fintech Acumen - You understand, or are eager to quickly learn, the regulatory, security, privacy, and operational expectations that shape technology delivery in banking and fintech. You approach engineering decisions with an appreciation for reliability, auditability, risk management, data protection, and customer trust.
Tech-Forward and Analytical Thinking - You learn new tools quickly, are excited by innovation, and leverage technology to create efficiencies. You are comfortable contributing to product features, improving deployment pipelines, and helping define standards for logging, shared libraries, cloud architecture, or AI-assisted development workflows.
Commitment to Being a Team Player - You lift others up, share ideas, and bring positive energy to everything you do. You know how to operate as a part of a larger team and love contributing to the big picture. You’re dependable and always happy to lend a hand where needed.

Responsibilities

Build Scalable Products and Technical Foundations: Design, build, and maintain backend services, APIs, and internal tools using Node.js, TypeScript, MongoDB, or comparable technologies.
Contribute to strategic product feature development and shared platform components.
Help guide architectural decisions across application, infrastructure, DevOps, security, and developer productivity domains.
Participate in code reviews, design discussions, release planning, and production support as needed.
Advance DevOps, Cloud, and Engineering Operations: Improve deployment workflows, CI/CD, infrastructure automation, observability, and production operations.
Work within Azure-based environments, including App Services, Function Apps, Storage, Key Vault, Application Insights, Front Door, networking, and related cloud infrastructure.
Support secure, reliable, and compliant software delivery practices appropriate for a fintech or financial services environment.
Champion AI-First Engineering Practices: Thoughtfully adopt and mature AI-enabled engineering tools such as Cursor, CodeRabbit, Claude, GitHub Copilot, and similar platforms.
Improve quality, speed, documentation, code review, and delivery through responsible AI-assisted development workflows.
Support AI-enabled product capabilities, workflow automation, internal productivity tools, and emerging development practices.
Strengthen Team Delivery and Engineering Maturity: Mentor engineers and help raise the overall engineering maturity of the team.
Participate in code reviews, design discussions, release planning, and production support as needed.
Champion Our Mission, Protect What Matters: Adopt a commitment to environmental, social, economic, and racial justice.
Stay informed of applicable regulatory requirements and complete all mandatory compliance and IT training.
Pursue and demonstrate an understanding of established Bank policies, procedures, and regulations.
Question suspicious activity and collaborate closely with the respective department(s) to help prevent fraudulent activity.