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Senior Full Stack Engineer

3 weeks ago

New York, New York, United States Monstro Full time

About Monstro
Monstro is an AI-native fintech platform reimagining how people and institutions manage money. We're building a modern foundation for financial decision-making—combining intelligence, automation, and elegant design to help users make smarter choices with confidence.

Our team includes experienced builders from leading fintech, wealth management, and technology companies, united by a shared goal: to create a category-defining product that transforms how financial insight is delivered and acted on.

About the Role
We're looking for a Full Stack Engineer with a backend focus to help build the consumer-facing systems that power our platform. You'll work alongside experienced engineers on services that handle sensitive financial data, contributing to features that directly impact our users while growing your skills in a fast-paced fintech environment.

What You'll Do
Backend Development
Build and maintain backend services that power our consumer experience. Work across our stack—Python, , and Go—contributing to APIs that serve our mobile and web clients and integrations with financial institutions and third-party services. Write high-quality tests at all layers (unit, integration, end-to-end); uphold test ownership across the team.

System Scalability & Performance
Contribute to scaling efforts as our user base grows. Learn and apply caching strategies, help identify performance bottlenecks, and support the optimization of container-based applications under the guidance of senior engineers.

Infrastructure & DevOps
Work with Docker and Kubernetes to containerize and deploy services. Contribute to CI/CD pipelines and develop a strong understanding of the full SDLC toolchain from local development through production.

Data & Integration
Work with relational and NoSQL databases, collaborating with data engineers on implementation. Help build integrations with banking systems, payment processors, and financial data providers.

Security & Compliance
Build with security in mind. Implement proper authentication, authorization, and encryption patterns. Develop an understanding of the regulatory context of fintech and how it shapes engineering decisions.

Collaboration & Growth
Work closely with frontend engineers, product managers, and designers to deliver features. Participate actively in code reviews—both giving and receiving feedback. Learn from Principal and Senior engineers through pairing and architectural discussions.

What We're Looking For

  • 3-5 years of professional software engineering experience
  • Proficiency in at least one of: Python, , Java (with interest in learning others)
  • Experience working with Docker and Kubernetes
  • Solid understanding of the software development lifecycle
  • Exposure to performance considerations in container-based applications
  • Familiarity with caching concepts and strategies
  • Experience with API development and integration patterns
  • Exposure to test-driven development and test automation
  • Familiarity with at least one major cloud platform (AWS, GCP, or Azure)
  • Curiosity to learn, willingness to ask questions, and passion for building quality software
  • Clear communicator who takes ownership of their work

Nice to Have

  • Background in fintech, banking, or regulated industries
  • Experience with event-driven architectures (Kafka, RabbitMQ, etc.)
  • Exposure to observability tooling (logging, metrics, tracing)

Why Monstro?

  • Ownership & Impact: Shape the future of AI-powered finance—building a category-defining product used by consumers and institutions around the world.
  • Elite Team: Join a team with leadership that has a track record of scaling companies from early stage to major exits.
  • Principles-Driven Culture: Work in a culture that values speed, ownership, and impact—what most companies achieve in 90 days, we do in 45.
  • Comprehensive Compensation Package: Competitive salary, equity, and robust benefits package, including paid health, vision, dental, and disability coverage.

Compensation Range (New York City): $162K–$190K

Compensation Range (Denver Metro): $142K–$167K

  • The posted range reflects the base salary for this role across the market ranges for each location. Final compensation will depend on a variety of factors, including experience, skills, internal leveling, and market conditions, and will be offered within the stated range in accordance with applicable pay transparency laws.Ready to Build With Us?If you're excited to contribute to a high-bar team building something meaningful, we love to hear from you (