Monstro is looking for a Senior Full Stack Engineer with a backend focus to build and scale the client-facing systems that power our platform. This role owns critical backend services that handle sensitive financial data, where reliability, security, and performance are essential.

What You'll Do

Design, build, and maintain backend services that power Monstro’s consumer experience.
Work across our stack (Python, Node.js, and Go), selecting the right tool for each problem.
Build robust APIs serving mobile and web clients while integrating with financial institutions and third-party services.
Architect systems that scale gracefully as our user base grows.
Identify bottlenecks and implement caching strategies (Redis, CDN, application-level caching).
Optimize query performance and tune container-based applications.
Design for resilience with failover strategies, retry logic, and graceful degradation.
Containerize and orchestrate services using Docker and Kubernetes.
Collaborate with platform teams on infrastructure decisions.
Contribute to CI/CD pipelines and ensure smooth, reliable deployments.
Understand and work across the full SDLC, from local development through production observability.
Work with relational and NoSQL databases, partnering with data engineers on schema and data models.
Build integrations with banking systems, payment processors, and financial data providers.
Implement event-driven architectures and message queues where appropriate.
Build systems with security as a first-class concern, including authentication, authorization, encryption, and audit logging.
Ensure systems meet fintech regulatory and compliance requirements.
Guide and develop junior and mid-level engineers through code reviews, pairing sessions, and technical coaching.
Partner closely with frontend engineers, product managers, and designers to deliver cohesive features.
Participate in architectural discussions and incident response, contributing to a culture of continuous learning and technical excellence.

What We're Looking For

7+ years of professional software engineering experience.
Strong proficiency in at least two of the following: Python, Node.js, Go.
Hands-on experience with Docker and Kubernetes in production environments.
Solid understanding of the full SDLC and modern development toolchains.
Experience scaling and performance-tuning container-based applications.
Strong understanding of caching patterns and strategies.
Familiarity with API design, microservices patterns, and distributed systems.
Experience with test-driven development and test automation.
Familiarity with cloud platforms such as AWS, GCP, or Azure.
Clear communicator who takes ownership, moves with urgency, and is passionate about building high-quality software.

Technical Stack

Languages: Python, Node.js, Go
Infrastructure: Docker, Kubernetes, Redis
Cloud: AWS, GCP, Azure

Benefits & Compensation

Paid health, vision, dental, and disability coverage.
Competitive salary.
Equity.
Compensation: New York City: $162,000 - $190,000; Denver Metro: $142,000 - $177,000