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Applaudo Studios

Senior Full Stack Developer (Typescript + Python)

Applaudo Studios · Ciudad de México, Mexico

IT Services and IT Consulting · 501-1,000 employees

7 h ago
Remote Senior (5-10 yrs) Full-time Temporary Mexico
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About the role

You will develop and maintain features across a commercial intelligence platform using React, TypeScript, Python, and Node.js. You are also responsible for optimizing SQL queries and ensuring secure, multi-tenant functionality within the existing application architecture.

What they look for

React TypeScript Python FastAPI Node.js PostgreSQL SQL SaaS OAuth 2.0 JWT Data modeling Ag-Grid AI coding assistants Multi-tenant architecture Distributed systems

Requirements

Candidates must have at least 5 years of full-stack development experience with strong proficiency in React, TypeScript, and either Python or Node.js. You should be comfortable working within existing architectures and possess solid experience with PostgreSQL and enterprise UI development.

Full description

Job Description

Full Stack Developer

About You

You are a Senior Full Stack Developer who thrives inside real, messy, production systems, not greenfield prototypes. You have a track record of shipping features across the full stack, React/TypeScript on the frontend, Python/FastAPI or Node.js on the backend, and you know how to make dense, data-heavy interfaces feel fast and usable at real-world scale.

You're energized by working inside an existing architecture: reading the code that's already there, understanding why it was built that way, and making sound feature-level decisions without needing to redesign it from scratch. You use AI coding assistants daily, not as a shortcut but as a force multiplier, and you know how to validate what they generate. Above all, you care about outcomes: secure, well-built features that hold up in a multi-tenant SaaS environment and stand up to scrutiny from senior stakeholders.

Note: This is a 6-month temporary opportunity with the possibility of extension.

You Bring to Applaudo the Following Competencies:

  • 5+ years of experience as a Full Stack Developer, with a demonstrated record of shipping production features independently.
  • Strong, hands-on production experience with React and TypeScript, including MUI, styled-components, or an equivalent design-system component library.
  • Proven experience building data-heavy enterprise UIs: admin and configuration screens, multi-level filtering, and large interactive tables via ag-Grid or equivalent, at real data volumes.
  • Significant experience with either Python/FastAPI or Node.js, with working proficiency in the other.
  • Solid SQL and hands-on PostgreSQL experience, including query optimization and relational data modeling.
  • Experience implementing OAuth 2.0/Okta, JWT, and role-based access control in an API context.
  • Demonstrated multi-tenant SaaS security practice: tenant isolation and data access controls.
  • Effective daily use of AI coding assistants (Claude Code, Codex), with sound judgment validating generated output, and the ability to integrate LLM-backed features into a web application.
  • Comfortable reading and working inside an existing application architecture without redesigning it.
  • Strong autonomy: able to make and justify feature-level decisions without close oversight.
  • Confidence defending technical choices verbally, in English, to senior stakeholders.
  • Comfortable with async, written-first communication across a distributed team spanning Europe, India, and the Americas.

Nice to have:

  • Snowflake experience, or data modeling/pipeline experience in a warehouse context.
  • Mapbox GL or equivalent web geospatial visualization.
  • amCharts or D3 for production data visualization.
  • Nx or comparable monorepo tooling.
  • Azure Web PubSub, Redis Cache, or Blob Storage.
  • Prior exposure to architecture-level decision forums.

You Will Be Accountable for the Following Responsibilities:

  • Author features across the commercial intelligence platform, spanning React/TypeScript UI, dense admin and configuration screens, and high-volume tabular interfaces (ag-Grid).
  • Contribute to APIs in Python/FastAPI and Node.js, and write/optimize SQL against PostgreSQL.
  • Design the granular functions and code structures inside each assigned story.
  • Comply with the existing application architecture, and raise clearly where it needs to evolve.
  • Absorb intermittent adjacent work — data pipeline and query changes, chart and map surfaces, AI-enabled feature integration — inside the existing architecture and against defined criteria.
  • Implement secure functionality within a multi-tenant SaaS environment.
  • Participate in Scrum ceremonies, code review, and technical discussion with senior stakeholders.
  • Take ownership of authored code against documented acceptance criteria (architecture and product-level ownership sit with the attached architect and engagement lead).

Additional Information

About Us

We Are Engineered Different.

At Applaudo, talented people design, build, and scale meaningful, AI-powered solutions that create real business impact. As an AI-native organization, we collaborate across design, development, cloud, data, and artificial intelligence to turn ideas into scalable products that transform how companies operate, make decisions, and grow.

We are building a high-performance culture grounded in five values: Empowering Excellence, Collaborative Teamwork, Unsolicited Respect, Consistent Transparency, and Efficient Communication. These define how we work, how we support one another, and how we hold ourselves accountable.

Applaudo is a place for people who want to learn fast, take ownership, and work alongside strong teams they are proud to belong to. Joining us means being part of an organization that is evolving intentionally, investing in modern ways of working, and leading AI-native transformation at scale.