Principal Engineer

Our client is a fast growing series B fintech head quartered in NYC. They are passionate about helping every small business in America.

Responsibilities

- Own full-stack initiatives end to end—from problem definition and architecture to implementation, deployment, and production support.
- Define and execute the technical strategy and roadmap aligned with fast-moving startup goals
- Design and build scalable, secure, and reliable frontend and backend systems with minimal dependencies on other teams.
- Lead development independently while collaborating closely with Product, Design, and Business stakeholders.
- Make pragmatic architecture and technology decisions balancing speed, quality, and long-term scalability.
- Write and review high-impact code across frontend and backend systems
- Identify and solve ambiguous, complex technical problems with limited requirements or constraints.
- Establish lightweight but effective engineering best practices, coding standards, and processes suitable for a startup environment.
- Drive performance, scalability, reliability, and security improvements as the product and user base grow.
- Own production readiness, monitoring, incident response, and post-mortems for the systems you build.
- Author clear technical documentation, RFCs, and architecture decisions to enable future scaling of the team.
- Mentor engineers as the team grows and help set the technical bar for the organization.
- Evaluate build vs. buy decisions and lead system migrations or refactors when needed.

Requirements

- 10+ years of software engineering experience with strong full-stack expertise




- Proven ability to independently own and deliver large technical initiatives in startup or high-growth environments
- Expert-level proficiency in Java Script and Type Script Strong experience with React.js or similar modern frontend frameworks
- Strong backend experience with Node.js and Golang Deep experience with SQL, NoSQL, and in-memory databases, including schema design and performance tuning
- Experience designing and building RESTful APIs, GraphQL APIs, and microservices or modular monolith architectures
- Hands-on experience with cloud platforms (AWS, GCP, or Azure)
- Strong experience with CI/CD pipelines, infrastructure automation, and Dev Ops practices Proficiency with Docker and Kubernetes (or willingness to own production infrastructure directly)
- Experience with event-driven systems and message queues (Kafka, RabbitMQ, etc.)
- Strong understanding of system design, scalability, and trade-offs in early-stage products
- Excellent problem-solving skills and comfort working with ambiguity and minimal direction
- Clear and effective communication skills, especially when translating business needs into technical execution
- Experience leading system migrations, refactors, or platform evolution in fast-paced environments

What Success Looks Like

- You independently deliver a critical product or platform initiative with high quality and reliability
- Architecture decisions enable rapid iteration today without blocking future scale
- Engineering velocity improves due to clear ownership, strong technical foundations, and reduced ambiguity
- Production issues are rare, well-understood, and resolved quickly The team looks to you as the technical standard and decision-maker

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📌 Principal Engineer (Bogotá)
🏢 Hrb
📍 Bogotá