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Nortal

Senior Fullstack Engineer, React, Node.JS, C#

Nortal

Senior fullstack engineer building Nortal’s cloud-native Tax Provision 2.0 platform for complex corporate tax calculations. Developing React, TypeScript, C#, and AWS infrastructure across a multi-repo ecosystem.

Posted 8/11/2026full-timeRemote • 💃 Anywhere in Latin AmericaSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in building and maintaining cloud-native applications using TypeScript, React, and AWS services. Proficient in developing infrastructure as code with Terraform and implementing robust testing strategies across various environments.

Highest-signal resume keywords
TypeScript DevelopmentReact Application DevelopmentAWS Infrastructure ManagementTerraform for AWSPostgreSQL Database Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
TypeScriptJavaScriptReactC#/.NETAWS LambdaFastifyPostgreSQLTerraformDockerJest
Soft Skills
Effective CommunicationCollaboration
Tools & Technologies
GitLab CI/CDPlaywrightK6AI Coding Assistants
Certifications & Qualifications
Bachelor’s Degree in Computer Science
Industry Keywords
Cloud-NativeMicrofrontend ArchitectureTax Provision

Tech Stack

Tools & technologies
ASP.NETAWSCloudDockerDynamoDBJavaScriptJestMobX.NETNode.jsPostgresReactTerraformTypeScript

About the role

Key responsibilities & impact
  • Build and maintain features across the Tax Provision 2.0 platform, including React microfrontend screens, TypeScript serverless Lambdas, and Fastify services
  • Contribute to the shared @btas/btas-tax-provision-business-rules TypeScript library and its C# code-generation pipeline
  • Write and maintain unit, integration, and end-to-end tests using Jest, Playwright, and K6
  • Develop and deploy AWS infrastructure changes using Terraform across Lambda, ECS, API Gateway, RDS/PostgreSQL, DynamoDB, S3, CloudFront, and Secrets Manager
  • Participate in GitLab CI/CD pipeline development and maintenance, including security scanning and Terraform deployment pipelines
  • Collaborate with architects and product teams on asynchronous job patterns, calculation service APIs, and data-layer abstractions
  • Use AI coding assistants by writing precise prompts, reviewing generated code critically, and applying outputs within a large multi-repository codebase
  • Maintain and improve the legacy ASP.NET Framework 4.7.2 application during migration
  • Support a modern cloud-native platform for complex corporate tax calculations

Requirements

What you’ll need
  • Bachelor’s degree in Computer Science, Engineering, or a related field
  • Experience with strong TypeScript/JavaScript and Node 18
  • Proficiency with React 18 and modern React patterns, including hooks, context, and query management
  • Working knowledge of C#/.NET, ideally modern .NET 10 and legacy .NET Framework 4.7.2
  • Experience with AWS Lambda and API Gateway using AWS SAM/CloudFormation
  • Experience with Fastify v5, TypeBox schema validation, and Swagger documentation
  • Strong PostgreSQL experience, including schema management, query optimization, and TypeORM migrations
  • Experience with microfrontend architecture and single-spa or similar composition patterns
  • Experience with MobX/MobX-State-Tree and TanStack React Query
  • Experience with Terraform for AWS infrastructure modules
  • Experience with Docker/Docker Compose
  • Familiarity with GitLab CI/CD, pipeline authoring, shared templates, and environment management
  • Experience with Jest, Playwright, and K6 for unit, integration, end-to-end, load, and performance testing
  • Hands-on experience with AI coding tools such as Cursor, GitHub Copilot, or Claude Code, or equivalent
  • Ability to use AI assistants effectively in a large multi-repository codebase, including context management, prompt engineering, and critical evaluation of generated output
  • Advanced English level required; effective English communication is essential for working with US clients

Benefits

Comp & perks
  • Competitive USD salary
  • 100% remote work
  • Flexibility to balance professional success with personal well-being
  • Coworking spaces across LATAM
  • Paid time off and national holidays according to the employee’s country regulations, with full salary
  • Sick leave
  • Annual credit for work-life balance perks
  • Team-building activities, coffee breaks, tech talks, and after-work gatherings
  • Birthday week day off
  • Wellness check-ins and professional growth support from the People Care team
  • Autonomy, open communication, and respect for diversity
  • Virtual community activities for the LATAM remote team