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Topaz

Developer Analyst, Mid-Level

Topaz

. Develop and maintain highly available web and mobile applications .

Posted 9/21/2026full-timeIndaiatuba • BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Full Stack Development, focusing on building and maintaining web and mobile applications with a strong emphasis on REST API integration and scalable architectures. Proficient in collaborating with cross-functional teams in agile environments to deliver high-quality financial products.

Highest-signal resume keywords
Full Stack DevelopmentREST API IntegrationNode.js, NestJS, .NETReact, Angular, React NativeAgile Methodologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
JavaScriptTypeScriptJSON ManipulationPostgreSQLSQL ServerMySQLMongoDBCI/CD PipelinesDockerGenerative AI
Soft Skills
CollaborationProblem-SolvingCommunication
Tools & Technologies
AWSAzureGCPGitMCP Servers
Industry Keywords
FintechDigital BankingPaymentsOpen FinanceMission-Critical Financial Platforms

Tech Stack

Tools & technologies
AndroidAngularAWSAzureDockerGoogle Cloud PlatformiOSJavaScriptMongoDBMySQLNode.jsNoSQLPostgresReactReact NativeSQLTypeScript.NET

About the role

Key responsibilities & impact
  • Develop and maintain highly available web and mobile applications
  • Work on frontend, backend, and mobile development for financial products
  • Build REST APIs and integrations with partners, banks, payment gateways, and financial platforms
  • Participate in defining modern, scalable architectures
  • Develop new features and enhance existing systems
  • Work closely with Product Owners, Designers, and other technical teams to build solutions aligned with business objectives
  • Ensure code quality through automated testing, code reviews, and engineering best practices
  • Model, transform, and validate JSON structures used in APIs and integrations
  • Monitor and continuously improve application performance, security, and observability
  • Participate in agile ceremonies and contribute to the continuous improvement of development processes
  • Support Artificial Intelligence initiatives applied to products and internal processes

Requirements

What you’ll need
  • Experience in Full Stack development
  • Experience developing web and mobile applications
  • Experience integrating systems through REST APIs
  • Experience working closely with Product Owners in agile environments
  • Knowledge of Scrum and Kanban
  • Experience with Node.js, NestJS, .NET, or equivalent technologies
  • Experience developing scalable and secure APIs
  • Advanced knowledge of JSON manipulation and object serialization and deserialization
  • Experience integrating with and consuming REST APIs and Webhooks
  • Knowledge of service-based or microservices architecture
  • Experience with React, Angular, or modern frameworks
  • Strong knowledge of JavaScript and TypeScript
  • Experience developing responsive interfaces with a focus on user experience
  • Experience with React Native or equivalent technologies
  • Experience developing and maintaining Android and iOS applications
  • Experience consuming REST APIs in mobile applications
  • Knowledge of mobile app publishing, distribution, and support
  • Experience with PostgreSQL, SQL Server, or MySQL
  • Knowledge of data modeling
  • Experience with MongoDB or another NoSQL database is a plus
  • Knowledge of AWS, Azure, or GCP
  • Familiarity with Docker
  • Experience with CI/CD pipelines
  • Experience using Git in the development workflow
  • Experience with Generative AI
  • Experience developing with LLMs (OpenAI, Azure OpenAI, Gemini, Claude, or similar)
  • Experience building applications with RAG (Retrieval-Augmented Generation)
  • Experience developing intelligent agents and automations
  • Knowledge of or experience creating and maintaining MCP Servers
  • Experience integrating AI agents with enterprise systems
  • Experience developing tools and connectors for MCP-based ecosystems
  • Experience in fintech, digital banking, payments, or Open Finance
  • Knowledge of PIX, Open Finance, credit, banking, and acquiring
  • Experience with mission-critical financial platforms
  • Basic or intermediate Spanish
  • Experience working on projects with Latin American teams or clients

Benefits

Comp & perks
  • Comprehensive health insurance plans
  • Professional development programs
  • Opportunity to master technologies used in the financial industry
  • Real-world challenges to apply your expertise and contribute to the evolution of the solutions ecosystem
  • Hybrid work model
  • Birthday day off
  • Autonomy and trust in your work