Senior Software Engineer - Full Stack

The Senior Software Engineer will design, develop, and optimize high-performance web applications that make financial services more accessible and user-friendly.
This role combines deep frontend expertise with full-stack capabilities, contributing to scalable products that simplify lending and debt management.
You will build and enhance modern web experiences using React and Next.js while collaborating with backend engineers to deliver cohesive end-to-end features.
Working closely with Product Managers, Designers, and engineering colleagues, you will lead projects from technical planning through implementation and release.
You will also drive experimentation, improve platform observability, and help maintain the reliability and performance of production systems.
The position offers the opportunity to contribute to a modern technology stack within a remote-first, startup-oriented environment that values ownership, innovation, and teamwork.
You will have room to influence technical decisions, improve engineering practices, and deliver meaningful product outcomes while continuing to grow professionally.

• At least 10 years of professional software development experience.

• More than 5 years of hands-on experience building applications with React.

• More than 2 years of experience in a true full-stack or backend-intensive engineering environment.

• Strong proficiency in profiling, diagnosing, and optimizing React applications for performance, scalability, and responsiveness.

• Solid understanding of UI/UX principles, reusable component libraries, accessibility considerations, and responsive web design.

• Experience with CI/CD pipelines, modern deployment strategies, and software delivery best practices.

• Familiarity with observability practices, including logging, monitoring, alerting, dashboards, and performance metrics.

• Ability to collaborate effectively with Product Managers, Designers, and frontend and backend engineers to deliver cohesive product features.

• Strong technical problem-solving skills, attention to detail, and the ability to translate requirements into maintainable, reliable software.

• Proven ability to take ownership of projects, manage priorities, and deliver results in a fast-paced, evolving environment.

• Strong written and verbal communication skills, with a collaborative mindset and commitment to individual and team success.

• A growth-oriented approach, with enthusiasm for learning new technologies, tackling complex challenges, and continuously improving engineering practices.

• Experience leading teams or overseeing significant technical projects is an advantage.

• Advanced knowledge of Next.js, including server-side rendering (SSR), static site generation (SSG), API routes, and dynamic routing, is preferred.

• Familiarity with modern technology stacks and architectures is beneficial, including ClojureScript, Clojure, PostgreSQL, service-oriented and event-driven systems, AWS, Kubernetes, serverless infrastructure, and CI/CD tooling.