Full-stack Engineer

Remote Hiring Remotely in USA Senior level Remote Hiring Remotely in USA Senior level Design, build, and scale backend services and APIs for high-volume financial transactions and rewards. Own feature delivery across payments, rewards, account services, and partner integrations, improve reliability and observability, and collaborate with frontend and mobile engineers. The summary above was generated by AI HMBL is your premiere Talent Partner and Executive Search Solution. We were founded on the fact that technical recruiting is most fruitful via partnership --than it is transactional. We partner the most innovative, cutting-edge tech companies. HMBL stances its foundational values around transparency, overcommunication, and the desire to improve. We leverage best industry practices, historical and predictive data and AI to acquire the industry's top 5% of technical talent. Are you passionate about making the impossible possible? Are you interested in working with the best and brightest in the tech industry? Do you want to work on the front-lines of innovation? We have what you're looking for! Stay hungry. Stay HMBL. We're seeking a Senior Full-Stack Software Engineer to help design, build, and scale the core financial and loyalty platforms that power our products. This is a full-stack role with a back-end focus, focused on developing reliable, high-performance services, while occasionally contributing to full-stack features in close collaboration with frontend and mobile engineers.

Responsibilities

• Design, build, and maintain scalable backend services and APIs that support high-volume financial transactions and rewards workflows.
• Own full feature delivery across core systems including payments, rewards, account services, and partner integrations.
• Contribute to system architecture and technical design as the platform evolves and scales.
• Collaborate with frontend and mobile engineers to support end-to-end feature development when fullstack work is required.
• Improve reliability, performance, and observability across backend systems through testing, monitoring, and code quality practices.
• Participate in sprint planning, technical reviews, and production support for mission-critical services., Design, develop, test, and deploy full-stack Java applications (backend Java/Spring Boot, frontend React/Angular, PostgreSQL). Lead architecture decisions, mentor developers, perform code reviews, troubleshoot issues, implement testing strategies (JUnit, Cypress, Playwright), collaborate with product/QA/DevOps in Agile, and support VA mission-critical initiatives while meeting security and clearance requirements. Top Skills: AngularAWSAzureCi/CdCypressDevOpsJava 17JunitMicroservicesPlaywrightPostgresPythonReactRest ApisSpring BootSQL LinkBy

• 6+ years of professional software engineering experience, with a strong backend focus.
• Production experience building backend systems in Python, ideally using Django.
• Experience designing APIs, data models, and services using PostgreSQL and AWS.
• Working knowledge of frontend technologies such as TypeScript and React, with the ability to contribute when needed.
• Comfort working in distributed systems and high-availability production environments.
• Strong ownership mindset with the ability to take backend projects from concept through production.
• Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.

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What you need to know about the Colorado Tech Scene

With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation.

Key Facts About Colorado Tech

• Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey)
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