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Open nowPosted 44 days ago

Senior Full-Stack Software Engineer (Santo Domingo)

TGS645 open roles

Where
Santo Domingo, Cibao Sur, Dominican Republic
Work mode
On site
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Your applicationOpen nowSenior Full-Stack Software Engineer (Santo Domingo)TGS · Santo Domingo, Cibao Sur, Dominican Republic

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The clock on this job

Early applications get read.

7.8% of postings close within 7 days. Measured by our own scanner across the market. TGS postings stay open a median of 1 days.

Share of postings closed within
  1. 1.6%1 day
  2. 3.4%3 days
  3. 7.8%7 days
  4. 14.3%14 days
  5. 33.7%30 days
This job: posted 44 days ago

TGS median: 1 days open

The posting

We’re hiring two Senior Software Engineers to join our team building TAP 2.0 — a telecommunications answering platform that handles real-time call ingestion, billing, client management, and reporting. You’ll work across the full stack — React frontend, .NET APIs, SQL stored procedures — shipping features end-to-end in an Azure cloud environment. Beyond maintaining and extending the current platform, you’ll help shape what comes next: mobile experiences, AI-powered features, and new product capabilities.

Tech Stack

  • Frontend: React 18, TypeScript, Vite, Redux Toolkit (RTK Query), Node-sass, MUI DataGrid, react-i18next, Figma (design handoff), Vitest
  • Backend: ASP.NET Core (.NET 8), C#, Minimal APIs, Dapper, AutoMapper, FluentValidation, Azure Functions, Queue drainers (Azure Storage Queues)
  • Database: Azure SQL, T-SQL stored procedures, TVPs, SQL Server Database Projects (.sqlproj)
  • Infrastructure: Azure (App Service, Storage Queues/Tables/Blobs, Key Vault, Functions, Application Insights), Azure DevOps Pipelines, JWT authentication

What You’ll Do

  • Design and implement features end-to-end across React frontend, .NET APIs, and SQL database layers
  • Extend and improve our real-time call ingestion pipeline and billing engine
  • Build new product capabilities — including mobile experiences and AI-powered features as we expand the platform
  • Develop reporting systems and async data export workflows
  • Write and maintain stored procedures, TVPs, and schema migrations for a 100+ table billing database
  • Implement secure authentication and authorization flows (JWT, managed identity, Key Vault)
  • Contribute to CI/CD pipelines and cloud infrastructure
  • Write unit and integration tests (Vitest, xUnit) with a focus on regression coverage
  • Participate in architectural decisions, code reviews, and cross-team collaboration
  • Help define technical direction as the platform grows into new domains

Required Qualifications

  • 5+ years professional experience in full-stack development
  • Strong proficiency in C# / .NET (ASP.NET Core, dependency injection, async patterns)
  • Strong proficiency in React + TypeScript (hooks, state management, RTK Query or similar)
  • Solid SQL skills — T-SQL stored procedures, query optimization, schema design
  • Experience with Azure cloud services (or equivalent AWS/GCP with willingness to learn Azure)
  • Understanding of queue-based architectures, background processing, and distributed systems patterns
  • Experience with REST API design, authentication/authorization (JWT, OAuth2)
  • Familiarity with CI/CD pipelines and automated testing strategies
  • Comfortable owning features end-to-end: database → API → UI
  • Preferred Qualifications
  • Mobile app development experience with Flutter or React Native — mobile is on our near-term roadmap
  • AI/ML experience — Azure AI Foundry, LLM integration (OpenAI, Azure OpenAI), prompt engineering, or building AI-powered features into production applications
  • Experience with Dapper or micro-ORM data access patterns
  • Familiarity with telecommunications, billing systems, or high-volume event processing
  • Experience with Azure DevOps (Pipelines, Boards, Repos)
  • Knowledge of internationalization (i18n) in frontend applications
  • Experience with real-time data processing or event-driven architectures
  • SQL Server Database Projects (SSDT / .sqlproj) experience

What We Value

  • Clear, direct communication — say what you mean, flag problems early, ask questions when something is unclear
  • Engineers who own problems end-to-end — not “that’s a backend issue” or “that’s a frontend issue”
  • Challenging risky or incorrect decisions instead of silently going along
  • Writing code that’s maintainable, testable, and secure (OWASP-aware)
  • Pragmatism over over-engineering — solve the problem at hand without gold-plating

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