Truelogic Software

Senior Full-Stack Engineer – Back-End Focus

Truelogic Software

full-time

Posted on:

Location Type: Remote

Location: Colombia

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Job Level

Senior

Tech Stack

AWSCloudEC2GraphQLJavaScriptjQuery.NETSQL

About the role

  • Develop and maintain scalable SaaS applications using C#, .NET, SQL Server, and legacy WebForms/jQuery.
  • Build and enhance server-rendered web interfaces with HTML, CSS, and JavaScript.
  • Write, optimize, and maintain complex SQL queries, stored procedures, and database schemas.
  • Design secure, performant data access layers and database solutions aligned with best practices.
  • Implement and evolve APIs, including GraphQL services, within existing system architectures.
  • Contribute to architecture decisions, technical planning, and incremental platform improvements.
  • Write unit and integration tests, and debug issues across the full stack to ensure quality releases.
  • Perform performance tuning for SQL and application code to improve speed and reliability.
  • Partner in the modernization of legacy WebForms modules, refactoring toward more maintainable patterns.
  • Work with AWS services (EC2, S3, SES) to support cloud infrastructure and operational needs.
  • Troubleshoot production incidents, conduct root-cause analysis, and strengthen system reliability.
  • Use AI-assisted development tools (e.g., Copilot, Claude Code, Cursor) to accelerate delivery while maintaining code quality.

Requirements

  • 5+ years of professional experience building web applications with C# or VB.NET, SQL, and JavaScript.
  • Hands-on experience with relational databases and performance-sensitive SQL, including stored procedures.
  • Strong working knowledge of SQL Server, including query performance fundamentals (e.g., indexing, optimization).
  • Solid understanding of traditional web fundamentals: HTML and CSS.
  • Proven ability to troubleshoot, debug, and optimize application and database performance.
  • Experience writing unit and integration tests and contributing to quality-focused engineering practices.
  • Comfortable working in a Shift Left development environment, with a focus on preventing defects early.
  • Self-driven, ownership-oriented, and able to collaborate effectively across cross-functional teams.
Benefits
  • 100% Remote Work: Enjoy the freedom to work from the location that helps you thrive. All it takes is a laptop and a reliable internet connection.
  • Highly Competitive USD Pay: Earn an excellent, market-leading compensation in USD, that goes beyond typical market offerings.
  • Paid Time Off: We value your well-being. Our paid time off policies ensure you have the chance to unwind and recharge when needed.
  • Work with Autonomy: Enjoy the freedom to manage your time as long as the work gets done. Focus on results, not the clock.
  • Work with Top American Companies: Grow your expertise working on innovative, high-impact projects with Industry-Leading U.S. Companies.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
C#.NETSQL ServerWebFormsjQueryHTMLCSSJavaScriptGraphQLSQL
Soft Skills
troubleshootingdebuggingoptimizationcollaborationownershipself-drivenquality-focusedcross-functional teamworkperformance tuningincremental improvements