System Analyst

At NOVACARD , we’re redefining how people use credit.
We are the first interest-free and no-annual-fee credit card in Mexico, designed to simplify personal finances and give users complete control - all from a mobile app. With NOVACARD, users can access up to $200,000 MXN in credit, only pay when they use it, and manage everything digitally in under 5 minutes. Our mission is to empower people to make smarter financial decisions by offering flexibility, transparency, and the freedom they need to reach their goals. Simple finances, big goals.

About the Role:
We are looking for an experienced System Analyst to analyze the current system, design target solutions, and support development teams throughout all stages of the migration.

Key Responsibilities:

• Analyze the existing system, identify business rules, dependencies, and constraints

• Develop detailed technical requirements and specifications for functionality migration

• Define and align integration contracts (REST APIs, JSON schemas, event contracts)

• Model and visualize business processes and data flows using BPMN and UML (Sequence, Activity, Component diagrams)

• Design data migration: mappings, transformations, and migration strategies

• Decompose technical initiatives into development tasks; prepare User Stories / Use Cases and define acceptance criteria

• Perform risk and bottleneck analysis for the target architecture

• Support development teams during delivery: answer questions, participate in backlog grooming and sprint planning

• Collaborate with adjacent teams and stakeholders to align technical decisions

• Maintain and update documentation in the knowledge base (Confluence)

• Participate in complex incident investigation and root cause analysis

Requirements

What We Expect:

• Experience in banking, fintech, or e-commerce products

• 5+ years of experience as a System Analyst, preferably in integrations or product development

• Deep understanding of REST API principles (HTTP methods, status codes, headers, idempotency, versioning)

• Hands-on experience with API testing and description tools (Swagger/OpenAPI, Postman)

• SQL knowledge: ability to write complex queries with JOINs, window functions; understanding of PostgreSQL database structure

• Ability to create clear and structured diagrams using BPMN and UML

• Strong technical documentation skills (requirements, specifications, technical descriptions)

• Experience with event-driven architecture and message brokers (Kafka, RabbitMQ)

• Understanding of microservices architecture and service interaction patterns

• Experience with legacy systems and data migration

Nice to Have:

• Experience participating in architecture reviews and technical decision-making

• Knowledge of CQRS, Event Sourcing patterns

• Experience with GraphQL

• English proficiency sufficient for reading technical documentation

What We Offer:

• Fully remote work format

• Opportunity to work in an international team on a large-scale financial product migration

• A data-driven environment where your contributions have a real impact